Iec pas 63124 2017

5 G.7.2 Per orman e testin of in irect ste m he ted tumble dryer in tal ed ac ordin to alternative 1.. 5 G.7.3 Per orman e testin of in irect he ted tumble dryers in taled ac ordin to Al

THIS PUBLICATION IS COPYRIGHT PROTECTED

Copyr ight © 2 17 IEC, Ge e a, Switzer la d

Al rig ts r es r ve Unle s oth rwis s e ifi d, n p rt of this p blc tio ma b r epr od c d or uti z d in a y form

or b a y me n , ele tr onic or me h nic l in lu in p oto o yin a d microfim, with ut p rmis io in wr itin from

eith r IEC or IEC's memb r Natio al Commite in th c u tr y of th re u ste If y u h v a y q e tio s a o t IEC

c p r i ht or h v a e q ir y a o t o tainin a ditio al ri hts to this p blc tio , ple s c nta t th a dr es b low or

y ur lo al IEC memb r Natio al Commite for ur th r informatio

Th Intern tio al Ele trote h ic l Commis io (IEC) is th le din glo al org niz tio th t pr ep res a d p bls e

Internatio al Sta d r ds for al ele tri al ele tr onic a d relate te h olo ie

Abo t IEC p blc tio s

Th te h ic l c nte t of IEC p blc tio s is k pt u d r c n ta t r eview b th IEC Ple s ma e s re th t y u h v th

late t e itio ,a c rr ig n a or a ame dme t mig t h v b e p bls e

IEC Cat alo ue - webst ore.e ch/ cat alo ue

Th st an -alo e a plc t io for c n ultin th e tire

biblo ra hic l informat io o IEC Intern tio al Sta d rd ,

Te h ic l Sp cific tio s, Te h ic l R ep rts a d oth r

d c me ts A v aia le for P , Ma OS, A ndroid Ta let s a d

iPa

IEC p blc t i ns s arch - www ie ch/ se rch u

Th a v an e s arc e a le t o fin IEC p blc t io s b a

variety of crit eria (efere c n mb r, t ext, t ec nic l

c mmitt e,…) It als gives informatio o projec t s, re la e

a d wit hdrawn p blc tio s

IEC Just P blshed - webst ore.e ch/ just pu lshed

St ay u to d te o al n w IEC p blc tio s Ju t Pu ls e

d t ais al n w p blc t io s rele s d A v aia le o ln a d

als o c a mo t h b emai

Ele t ro edia - www ele t ro edia.org

Th world's le din o ln dic t io ary of elec t ro ic a d

ele t ric l terms c nt ainin 2 0 0 terms a d d finitio s in

En ls a d Fre c , wit h e uiv ale t t erms in 16 a dit io al

la g a e Als k nown a t he Intern t io al Ele trote h ic l

Vo a ulary (IEV ) o ln

IEC Glos ar y - st d.e ch/ glos ary

6 0 0 elec t rot ec nic l t ermin lo y e t rie in En ls a d

Fre c e t ra te fom t he Terms a d Definitio s cla s of

IEC p blc tio s is u d sin e 2 0 Some e t rie h v e b e

c le te fo m e rler p blc t io s of IEC TC 3 , 7 , 8 a d

CISPR

IEC Cust omer Servic Cent re - webst ore.ec ch/ csc

If y ou wis to giv e u your fe d a k o t his p blc tio or

n e furt her a sista c , ple s c nta t t he Cu tomer Serv ic

Ce t re:c c@ie c

FOREWORD 6

1 Sco e 8

2 Normative ref eren es 8

3 Terms, def i ition an s mb ls 8

3.1 Terms an def i ition 8

3.2 List of s mb ls 1

4 Req irements 1

2 4.1 General 12 4.2 Rated ca acity 13 4.3 Dimen ion 13 5 Test con ition , materials, eq ipment an in trumentation 1

3 5.1 General 13 5.2 Ambient con ition 14 5.2.1 Electricity s p ly 14 5.2.2 Water s p ly 1

4 5.2.3 Ambient temp rature an h midity 15 5.3 Test materials 15 5.3.1 General 15 5.3.2 Test lo d 15 5.3.3 Detergent 16 5.4 Eq ipment 16 5.4.1 Eq ipment f or normal zation 16 5.4.2 Eq ipment f or con itionin the test lo d 16 5.4.3 Eq ipment f or wet in the test lo d prior to a test 16 5.4.4 Eq ipment f or me s rement 16 5.5 In trumentation an ac urac 17 6 Pre aration f or testin 1

7 6.1 General 17 6.2 Test sp cification f rom man f acturers 18 6.3 In tal ation of the tumble dryer 18 6.4 Pre aration of the tumble dryer for a test series 18 6.5 Pre aration of the tumble dryer for a test ru 18 6.6 Pre aration of test lo d 19 6.6.1 General 19 6.6.2 Pre-tre tment of new test lo d items prior to u e 19 6.6.3 Req irements regardin the age of test lo d items 19 6.6.4 Normalzation of test lo d items 19 6.6.5 Con itionin of test lo d items 2

6.6.6 Test lo d comp sition 2

6.6.7 Wetin 2

7 Perorman e me s rements – General req irements 2

8 Tests for p rf orman e 2

8.1 General 2

8.2 Test proced re for p r orman e tests 2

8.2.1 Test con ition , materials an pre aration for testin 2

8.2.3 Test lo d 2

8.2.4 Test proced re 2

8.2.5 Val dity of a test ru 2

8.2.6 Val dity of a test series 2

8.3 Me s rements to determine water an energy con umption an programme time 2

8.3.1 General 2

8.3.2 Proced re 2

8.4 Me s rements to determine con en ation ef ficien y 2

8.4.1 General 2

8.4.2 Proced re 2

8.5 Me s rements to determine ex au t air volume 2

8.6 Per orman e me s rement at maximum ex au t d ct pres ure 2

8.7 Me s rement of the texti e dryin temp rature 2

9 As es ment of p rorman e 2

9.1 General 2

9.2 Final moisture content of the lo d 2

9.3 Total energ 2

9.4 Cor ected energ 2

9.5 Cor ected water con umption 2

9.6 Cor ected programme time 2

9.7 Con en ation eff i ien y 3

9.8 Eva oration ca acity 31

9.9 Ex au t air volume 31

10 Data to b re orted 31

An ex A (normative) Referen e l st 3

A.1 Ref eren e detergent 3

A.2 Sp cif i ation of test lo d 3

A.3 The b ne dry method of con itionin 3

A.4 Un ertainty of me s rement 3

A.5 En ironmental asp cts of tumble dryer u e 3

A.6 Source of materials an s p l es 3

A.7 Was in mac ine f or normal zation 3

An ex B (normative) Ex au t d cts for tumble dryer testin 3

B.1 General 3

B.2 Sp cif i ation of the ex au t d ct typ 1 3

B.2.1 Du t material 3

B.2.2 The f orm of the d ct 3

B.2.3 In trumentation 3

B.3 Ex au t d ct typ 2 3

B.3.1 General 3

B.3.2 Sp cification of ex au t d ct Typ 2 3

B.3.3 Set in the cor ect ex au t d ct pres ure 3

An ex C (inf ormative) Flow diagrams 3

An ex D (normative) Test re ort – Data to b re orted 41

An ex E (normative) Proced re to determine test lo d size where rated ca acity is not declared 4

E.2 Determination of the volume of the clothes container 4

E.3 Determination of the test lo d 4

An ex F (normative) Flexible initial moisture content method 4

F.1 General 4

F.2 Proced re 4

F.3 Evaluation 4

An ex G (normative) Perf orman e testin of ste m he ted tumble dryers 4

G.1 General 4

G.2 Typ s of ste m he tin – Ste m he ted tumble dryers 4

G.3 Sp cif i ation of ste m pro erties 4

G.3.1 Type of ste m 4

G.3.2 Ste m generator 4

G.4 Eq ipment an in trumentation 4

G.4.1 Test eq ipment for me s rin the c aracteristic of ste m 4

G.4.2 In truments 4

G.5 In tal ation 4

G.5.1 General 4

G.5.2 In tal ation of the me s rement eq ipment for in irect ste m he ted tumbler dryers.(Alternative 1) 4

G.5.3 In tal ation of the me s rement eq ipment for in irect ste m he ted tumble dryers (Alternative 2) 51

G.6 Pre aration f or testin 5

G.6.1 General 5

G.6.2 In irect he ted tumble dryer in taled ac ording to Alternative 1 5

G.6.3 In irect he ted tumble dryer in taled ac ording to alternative 2 5

G.7 Tests for p rf orman e 5

G.7.1 General 5

G.7.2 Per orman e testin of in irect ste m he ted tumble dryer in tal ed ac ordin to alternative 1 5

G.7.3 Per orman e testin of in irect he ted tumble dryers in taled ac ordin to Alternative 2 5

G.8 As es ment of per orman e 5

G.8.1 General 5

G.8.2 Evaluation of p rorman e of in irect he ted tumble dryer in tal ed ac ordin to alternative 1 5

G.8.3 Evaluation of p rf orman e of in irect he ted tumbler dryers in taled ac ordin to alternative 2 5

G.8.4 Evaluation of total energ s p l ed to the tumbler dryer by ste m 5

G.9 Data to b re orted 5

An ex H (inf ormative) Perf orman e testin of gas he ted tumble dryers 5

H.1 General 5

H.2 In tal ation, testin proced re an calc lation of s p l ed gas energ 5

An ex I (informative) Me s rement of ex au t air volume 5

I 1 Proced re 5

I 2 Ex au t air volume 5

An ex J (normative) Me s rement of the textie dryin temp rature 5

J.1 General 5

J.2 Sp cif i ation of the log ers 5

J.3 Pre aration of the log ers b fore me s rement 5

J.5 Me s rin the temp rature 6

J.6 Presentin the res lt 6

Biblogra h 61

Fig re B.1 – Ex au t d ct b n 3

Fig re B.2 – Ex au t d ct Typ 2 3

Fig re C.1 3

Fig re C.2 4

Fig re G.1 – Sc ematic in tal ation of the me s rement eq ipment f or ste m he ted tumble dryers (Alternative 1) 5

Fig re G.2 – Sc ematic in tal ation of the me s rement eq ipment f or ste m he ted tumble dryers (Alternative 2) 5

Ta le 1 – List of s mb ls 1

Ta le 2 – Sp cification of in truments 17 Ta le 3 – Numb r of items in the test lo d f or variou test lo d mas es 21

Ta le 4 – Sp cification for initial moisture content in the test lo d 2

Ta le 5 – Sp cification for f i al moisture content of the test lo d af ter dryin in a cot on dry programme 2

Ta le B.1 – Eq ivalent tub len th of a 9 ° b n 3

Ta le B.2 – Pres ure dro values for diff erent diameters an flows for a 15 m lon d ct 3

Ta le D.1 – Identification data 41

Ta le D.2 – Test me s rements 4

Ta le D.3 – Test con ition an materials 4

Ta le J.1 – Sp cification of temp rature log er s ita le f or temp rature me s rement f or b th was in an dryin 5

Ta le J.2 – Numb r of temp rature log ers to b u ed d rin a texti e dryin temp rature me s rement 6

INTERNATIONAL ELECTROTECHNICAL COMMISSION

_

1 Th Intern tio al Ele trote h ic l Commis io (IEC) is a worldwid org niz tio for sta d rdiz tio c mprisin

al n tio al ele trote h ic l c mmite s (IEC Natio al Commite s) Th o je t of IEC is to promote

intern tio al c -o eratio o al q e tio s c n ernin sta d rdiz tio in th ele tric l a d ele tro ic f i ld To

this e d a d in a ditio to oth r a tivitie , IEC p bls e Intern tio al Sta d rd , Te h ic l Sp cif i atio s,

Te h ic l Re orts, Pu lcly Av ia le Sp cif i atio s (P S) a d Guid s (h re f ter refer e to a “IEC

Pu lc tio (s)”) Th ir pre aratio is e tru te to te h ic l c mmite s; a y IEC Natio al Commite intere te

in th s bje t d alt with ma p rticip te in this pre aratory work Intern tio al g v rnme tal a d n

n-g v rnme tal org niz tio s laisin with th IEC als p rticip te in this pre aratio IEC c la orate clo ely

with th Intern tio al Org niz tio f or Sta d rdiz tio (ISO) in a c rd n e with c n itio s d termin d b

a re me t b twe n th two org niz tio s

2) Th f ormal d cisio s or a re me ts of IEC o te h ic l maters e pre s, a n arly a p s ible, a intern tio al

c n e s s of o inio o th rele a t s bje ts sin e e c te h ic l c mmite h s re re e tatio fom al

intere te IEC Natio al Commite s

3) IEC Pu lc tio s h v th form of re omme d tio s for intern tio al u e a d are a c pte b IEC Natio al

Commite s in th t s n e Whie al re s n ble ef forts are ma e to e s re th t th te h ic l c nte t of IEC

Pu lc tio s is a c rate, IEC c n ot b h ld re p n ible f or th wa in whic th y are u e or for a y

misinterpretatio b a y e d u er

4) In ord r to promote intern tio al u iformity, IEC Natio al Commite s u d rta e to a ply IEC Pu lc tio s

tra s are tly to th ma imum e te t p s ible in th ir n tio al a d re io al p blc tio s An div rg n e

b twe n a y IEC Pu lc tio a d th c re p n in n tio al or re io al p blc tio s al b cle rly in ic te in

th later

5) IEC its lf d e n t pro id a y ate tatio of c nf ormity In e e d nt c rtific tio b die pro id c nf ormity

a s s me t s rvic s a d, in s me are s, a c s to IEC mark of c nformity IEC is n t re p n ible f or a y

s rvic s c rie o t b in e e d nt c rtif i atio b die

6) Al u ers s o lde s re th t th y h v th late t e itio of this p blc tio

7) No la i ty s al ata h to IEC or its dire tors, emplo e s, s rv nts or a e ts in lu in in ivid al e p rts a d

memb rs of its te h ic l c mmite s a d IEC Natio al Commite s for a y p rs n l injury, pro erty d ma e or

oth r d ma e of a y n ture wh ts e er, wh th r dire t or in ire t, or for c sts (in lu in le al f ee ) a d

e p n e arisin o t of th p blc tio , u e of, or rela c u o , this IEC Pu lc tio or a y oth r IEC

Pu lc tio s

8) Ate tio is drawn to th Normativ refere c s cite in this p blc tio Us of th refere c d p blc tio s is

in is e s ble for th c r e t a plc tio of this p blc tio

9) Ate tio is drawn to th p s ibi ty th t s me of th eleme ts of this IEC Pu lc tio ma b th s bje t of

p te t rig ts IEC s al n t b h ld re p n ible f or id ntif yin a y or al s c p te t rig ts

A PAS is an intermediate sp cification not f ulf il n the req irements f or a stan ard, but made

avai a le to the publ c

IEC PAS 6 12 has b en proces ed by s bcommit e 5 D: Perorman e of hou ehold an

simi ar electrical lau dry a pl an es, of IEC tec nical commit e 5 : Perf orman e of

hou ehold an simi ar electrical a pl an es

This doc ment is b sed on CLC/TS 5 5 4:2 15.

This PAS s al remain val d for an initial maximum p riod of 2 ye rs startin f rom the

publ cation date The val dity may be exten ed for a sin le p riod up to a maximum of

2 ye rs, at the en of whic it s al b publs ed as another typ of normative doc ment, or

s al b with rawn

IMPORTANT – The 'colour inside' logo on the cov r pa e of this publ c tion indic te

that it contains colours whic are consid re to be us f ul f or the cor e t

und rsta din of its conte ts Us rs s ould th ref ore print this doc me t using a

colour printer

TUMBLE DRYERS FOR COMMERCIA L USE –

This PAS is a pl ca le to tumble dry rs for commercial u e of the a tomatic an non

-a tomatic typ , in orp ratin an electric or ste m he tin device It also in lu es tumble

dry rs whic u e gas as a he tin source with a ref eren e to a pro riate EN gas stan ard

The o ject is to state an def i e the prin ip l p rf orman e c aracteristic of tumble dry rs

f or commercial u e of interest to u ers an to des rib stan ard method f or me s rin these

c aracteristic

NOT It d e n t a ply to transf er tumble dryers or dry rs with a tomatic lo din a d u lo din

The f ol owin doc ments are ref er ed to in the text in s c a way that some or al of their

content con titutes req irements of this doc ment For dated ref eren es, only the edition

cited a pl es For u dated ref eren es, the latest edition of the ref eren ed doc ment (in lu in

an amen ments) a pl es

EN 12 5 -10, Sh l l b il ers – P art 10: Re uireme ts for fe d water a d b il r wat er q ality

EN 5 5 0:2 13, Ho se ol d a d similar el ectric l a p a c s – Safety – Partic l ar

re uireme ts for c mmercial el ectric t umbl e dryers

CLC/TS 5 6 0:2 15, Cl othes washin ma hin s for c mmercial use – Met hods for me suring

EN 6 4 6:2 1 , Clot hes washing ma hines for h use ol d use – Methods for me suring th

p rorma c (IEC 6 4 6:2 10, modified)

EN 6 7 4, Ho se ol d electric l a plian es – Perorma c – Wat er for t esting (IEC 6 7 4)

EN 6 0 3-21, Ele tricity meterin e uipme t (a.c.) – P art ic l ar re uireme ts – Part 21: Static

met ers for a t ive e erg (cl as es 1 a d 2) (IEC 6 0 3-21)

ISO 8 0 0-1:2 0 , Qu ntities a d u its – P art 1: Ge eral

3 Terms, def initions and symbols

3.1.2

air v nte tumble dry r

tumble dry r that draws in f res air whic is p s ed over the texti es an where the res ltin

moist air is ex au ted into the ro m or vented outside

3.1.3

con e s r tumble dry r

tumble dry r whic in lu es a device for removin moisture f rom the air u ed for the dryin

proces

3.1.4

a tomatic tumble dry r

tumble dry r whic switc es of f the dryin proces when a certain moisture conte t of the

lo d is re c ed

Note 1 to e try: This ma in lu e s stems th t u e c n u tivity or temp rature s n in

3.1.5

non-a tomatic tumble dry r

tumble dry r whic do s not switc of f the dryin proces when a certain moisture conte t

of the lo d is re c ed, u ual y control ed by a timer, but may also b control ed man al y

3.1.6

tra sf er tumble dry r

tumble dry r with automatic lo din an u lo din via con eyers or by other me n

Note 1 to e try: Th lo din a d u lo din c n e ers are ofte lo ate o o p site sid s of th dryin b s et

programme

series of operations whic are pre-defined within the tumble dry r an whic are declared

by the man f acturer as s ita le for dryin certain typ s of texties

complete dryin proces , as defined by the selected programme, con istin of a series of

operations in lu in an o eration that oc ur after the e d of the programme

Note 1 to e try: Ex mple of o eratio s th t ma o c r after th c mpletio of th pro ramme are mo itorin

a d a ti-cre sin o eratio s (wh re a plc ble)

3.1.17

c cle time

p riod of time fom the initiation of the programme (ex lu in any u er programmed delay)

u ti al activity ce ses

Note 1 to e try: Activity is c n id re to h v c a e wh n th p wer c n umptio re erts to a ste d state

c n itio th t p rsists in e nitely with ut u er interv ntio If th re is n a tivity after th en of the pro ramme,

th cycle time is e u l to th pro ramme time

Note 2 to e try: Cycle time in lu e a y a tivity th t ma o c r for a lmite p rio after th en of the

pro ramme An c clc e e t th t o c rs in efinitely is c n id re to b ste d -state

3.1.18

normal zation

proces in of a te t loa after a pre-determined n mb r of c cle to brin the te t loa to a

normal state prior to testin

3.1.19

rate c pa ity

maximum mas in ki ograms of dry texti es of a p rtic lar defined typ , whic the

man facturer declares can b tre ted in a sp cif i programme

mas of dry texti es of a p rtic lar typ f or whic the p r orman e of the tumble dry r wi b

tested (rate c pa ity or p rt lo d)

[SOURCE: EN 61 21:2 13, 3.1.2 , modified – The secon p rt of the definition has b en

turned into the present Note 1 to entry

3.1.2

moisture conte t

ratio of the dif feren e b twe n te t loa ma s an the conditione te t loa ma s to the

con itione te t loa ma s expres ed in p rcent

3.1.2

initial moisture conte t

moisture conte t of a te t loa prior to a test ru

3.1.2

f inal moisture conte t

moisture conte t of a te t loa at the en of a test ru

/min v lumetric flow rate

S mb l Unit Def i itio

S

b

- sta d rd d viatio of th me s re f i al moisture co tent f or al v ld te t ru s

T min arithmetic l a era e of th c re te pro ramme time of al v ld te t ru s

p rorma c p rameter (e erg c n umptio or pro ramme time)

μ % a era e me s re f i al moisture co tent f or a te t load

This PAS do s not sp cify minimum p rf orman e req irements for tumble dry rs This PAS

do s however set method f or the me s rement of f ol owin p rorman e p rameters:

• electric energ con umption;

• steam energ con umption;

• gas energ con umption;

• water con umption;

• programme time;

• dryin temp rature of the texti es;

• volumetric f low rate of ex au t air

An claims of p r orman e ref er in to this PAS for these p rameters s al b me s red in

ac ordan e with the req irements of this PAS An claims of p rf orman e ref er in to this

doc ment at other than rate c pa ity s al b q al fied with lo d typ an ca acity u ed for

the test (refer to Clau e 7 for detai s)

The man facturer or s p l er s al declare the rate c pa ity at 0,5 k intervals for e c

relevant texti e typ up to a rate c pa ity of 10 k For ca acities larger than 10 k the

s p l er may declare the rate c pa ity at 1 k intervals Relevant texti e typ s are cot on

an s nthetic/blen s

The rate c pa ity f or an texti e typ s al not ex e d the maximum mas of dry lau dry, in

ki ograms, to b u ed in the a pl an e in ac ordance with EN 5 5 0:2 13, 3.1.9

If the rate c pa ity is not declared by the man facturer, the rate c pa ity s al b

ded ced fom the clothes container volume (se 4.3) as des rib d in An ex E

Where the man f acturer gives a ran e of values f or the rate c pa ity f or a p rtic lar texti e

typ , the maximum value s al b u ed

For dif ferent texti es the rate c pa ity of an a pl an e may b dif ferent

4.3 Dime sions

Where a man facturer declares dimen ion , these s al b in ac ordan e with the f ol owin

req irements, as a plca le The dimen ion s al b given in mm an s al b rou ded up to

the ne rest hig er mi imetre

• Heig t = vertical dimen ion me s red fom the lower ed e (on the flo r) to the up er ed e

of the to , with the do r/l d closed: if adju ta le level n fe t are provided, they s al b

moved to determine maximum p s ible heig t

• Max heig t = maximum vertical dimen ion me s red fom the lower ed e (on the flo r) to

a horizontal plane at the maximum heig t of the tumble dry r with the do r/l d o en: if

adju ta le level n f eet are provided, they s al b moved up an down to determine

minimum an maximum p s ible heig ts

• Width = horizontal dimen ion, b twe n the sides, as me s red b twe n two p ral el

vertical planes again t the sides of the tumble dry r, in lu in al projection

• De th = horizontal dimen ion as me s red fom a vertical re r plane again t the tumble

dry r an the most prominent p rt of the f ont, k o s an han les not b in taken into

ac ou t, with the do r/l d closed, in lu in al projection

• Max de th = horizontal dime sion as me s red fom a vertical re r plane again t the

tumble dry r an the most prominent p rt of the f ront k o s an han les not b in taken

into ac ou t, with the do r/l d o en (general y when at rig t an les to the mac ine f ront ,

in lu in al projection

• Clothes container volume = the volume of the container in whic texti es are placed, where

req ired, s al b determined in ac ordan e with An ex E

5 Test conditions, materials, equipment and instrumentation

The toleran es sp cif ied f or p rameters within this PAS, u in the s mb l ‘ ± ’, in icate the

s al b in al d The statement of toleran e do s not p rmit the del b rate variation of these

sp cified p rameters

5.2 Ambie t conditions

5.2.1 Ele tricity s p ly

The s p ly voltage at the p wer outlet to e c tumble dry r s al b maintained at the rate

volta e ± 2 % throu hout the test If a voltage ran e is in icated, then the s p ly voltage

s al b the nominal voltage of the cou try in whic the ap l an e is inten ed to b u ed

The s p ly f eq en y to e c tumble dry r s al b maintained at the rated feq en y ± 1 %

throu hout the test

The me s red voltage an f req en y of the p wer s p ly u ed d rin testin s al b

re orted

Voltage sta i zers s ould be desig ed s c that the normal o eration of the tumble dryer

do s not cau e u d e distortion of the voltage waveform

5.2.2 Water s pply

This section des rib s the sp cif i ation for water to b u ed f or pre arin te t loa s,

wet in te t loa s an f or water u ed as co l n fluid

In al cases the water s p ly s al me t the req irements given in 5.2.2.2 Water u ed f or

normal zin te t loa s an wet in te t loa s s al me t the req irements of 5.2.2.2 an

5.2.2.2 Water temperature a d pre s re

The temp rature of the cold water s p ly s al b (15 ± 2) °C

The pres ure of the water s p ly d rin water intake at the a pl an e water inlet s al b

maintained at (2 0 ± 5 ) kPa

The me s red water temp rature an pres ure s al b re orted

5.2.2.3 Water hardne s

Stan ard soft water with a total hard es of (0,5 ± 0,2) mmol/l s al b u ed f or al proced res

within this PAS If avai a le, natural y oc ur ing water of the cor ect total hard es may b

u ed Alternatively, water of the cor ect total hard es s al b pre ared ac ordin to

5.2.2.4 Water alk l nity a d condu tivity

When testin con u tivity control ed a tomatic tumble dry rs, the c aracteristic of the

water u ed for wet in the te t loa can have a large influen e on the test res lts The water

c aracteristic are defined in terms of hard es , alkal nity an con u tivity

For the purp se of testing a tomatic tumble dry rs the water f or wet in the te t loa s al

have the c aracteristic of water pre ared ac ordin to Method B of EN 6 7 4

If water c aracteristic ne d to b adju ted, Method B or Method C3 of EN 6 7 4 s al b

f ol owed

If a pl ca le the pH, alkal nity an con u tivity of the water u ed s al b re orted

5.2.3 Ambie t temperature a d humidity

5.2.3.1 Ambie t temperature a d relative humidity for tumble dry r te ting

The ambient temp rature of the test ro m s al b (2 ± 2) °C at the start of the dryin test

The temp rature s al not rise more than 4 K d rin the test ru The me s red ambient

temp rature f or tumble dryin testin s al be re orted It s al b rou ded to the ne rest

0,5 °C The maximum an minimum temp rature d rin the test ru s al b recorded The

me s rement location s al b in the vicinity of the air intake

The ambient relative h midity of the test ro m s al b maintained at (5 ± 10) % throu hout

the tumble dry r test The ambient relative h midity s al b me s red in the vicinity of the

tumble dry r b in tested The maximum an minimum me s red ambient relative h midity

f or tumble dry r testin s al b re orted rou ded to the ne rest whole p rcentage

Care s ould b taken to en ure that the ambient temp rature an relative h midity are not

influen ed by the a pl an e itself or other a pl an es in the la oratory

5.2.3.2 Ambie t temperature a d ambie t relativ h midity f or conditioning of te t

loa items

Where an ambient controled ro m or c amb r is u ed for con itionin the te t loa , the

f ol owin con ition s al b maintained:

• ambient temp rature: (2 ± 2) °C;

• ambient relative h midity: (6 ± 5) %

The me s red ambient temp rature an relative h midity for conditioning te t loa items

s al b re orted The ambient temp rature s al b rou ded to the ne rest 0,5 °C, the

ambient relative h midity s al b rou ded to the ne rest whole p rcentage

NOT Re uireme ts for co ditio in th te t load are s e ifie in 6.6.5.2

5.3.3 Deterge t

The sp cification f or the EN 6 4 6 ref eren e detergent A* b se p wder as def i ed in A.1

Detergent dosage is sp cif ied in 6.6.4.2

This PAS req ires te t loa items to b tre ted in a control ed man er prior to their u e in

p rorman e tests in order to determine their mas u der stan ardized ambient con ition

The alternative method of con itioning the te t loa items are:

• L avin the te t loa items in a ro m or c amb r with a controled ambient temp rature

an h midity (ref er to 5.2.3.2) u ti their remainin moisture conte t is in eq i brium with

the ambient con ition Refer to 6.6.5.2 for detais

• Tre tin the te t loa items in a clothes dryer of sp cified p r orman e to en ure that the

te t loa items are in a “b ne dry” state Ref er to 6.6.5.3 for detai s A.3 sets out the

method an the sp cif i ation for a tumble dry r whic is u ed for this method

5.4.3 Equipme t f or wet ing the te t loa prior to a te t

An was in mac ine may b u ed to wet the lo d prior to a test, provided it has the f ol owin

f eatures:

• a rate c pa ity whic is eq al to or gre ter than the lo d b in weted;

• at le st one rin e operation with a d ration of at le st five min tes;

• the rin e s al con ist of a volume of water in ltres at le st thre times the mas of the

te t loa in ki ograms;

• a spin dryin operation ca a le of ac ievin the desired initial moisture conte t

5.4.4 Equipme t for me s reme t

This PAS req ires the me s rement of a ran e of parameters d rin testin of a tumble

dry r These p rameters in lu e the f ol owin :

• electrical p rameters (voltage, energ , p wer an f req en y);

• ste m energ (ste m pres ure, ste m temp rature, ste m flow);

• gas energ (gas f low);

• temp rature of water an air;

• water pres ure;

• texti e temp rature d rin dryin ;

• relative h midity;

• total water hard es ;

• con u tivity of water (con u tivity sen in dryers only);

• alkal nity of water (con u tivity sen in dryers only);

The sp cification of in truments u ed to take the me s rements f or some of these

p rameters are expl citly defined in 5.5

NOT Se eral diff ere t in trume ts for th me s reme t of ma s are lk ly to b re uire for ta k s c a ma s

of lo d items a d th wh le te t load a d ma s of d terg nt

5.5 In trume tation a d a c ra y

In truments u ed f or this PAS s al comply with the sp cification set out in Ta le 2

Devices u in vis osity to me s re water volume s al b calbrated at the actual nominal

temp rature ± 5 °C, an the nominal flow rate

Table 2 – Spe ific tion of instrume ts

6 Preparation f or testing

This section sets out the req irements f or the pre aration of a tumble dry r It also sp cifies

6.2 Te t spe ific tions from ma uf acturers

Sp cif i ation that are given sp cif i al y f or u e by test la oratories s al b ig ored

6.3 In tal ation of th tumble dry r

The me s rements s al general y b car ied out on a new tumble dry r whic is in tal ed

an u ed in ac ordan e with the man f acturer’s in tru tion , ex e t as req ired by this PAS

Where there is more than one o tion for in tal ation, the o tion c osen f or testin s al b

doc mented in the test re ort

Ste m he ted tumble dry rs s al b in tal ed ac ordin to in tru tion in An ex G Ga

he ted tumble dry rs s ould b in tal ed ac ordin to in tru tion in An ex H

Where the tumble dry r is inten ed for u e without a d ct (i.e the tumble dry r is inten ed

to b vented into the ro m), the tumble dry r s al b tested as s p l ed without a d ct

Where the tumble dry r is inten ed f or u e with a d ct the tumble dry r s al b tested with

a d ct as sp cified in An ex B

Where a manuf acturer gives the o tion to u e the tumble dry r b th with an without a d ct,

the tumble dry r s al b tested with a d ct

The test re ort s al cle rly state whic d ct config ration, if an , is u ed in e c test

Where a water inlet is s p l ed, it s al b con ected to an a pro riate la oratory water

s p ly s stem for testin (refer to 5.2.2)

If the man facturer gives the o tion to u e a conde s r tumble dry r b th with an without

con en ation b x, the dryer s al b tested in ac ordan e with the man f acturer’s

in tru tion If no in tru tion are provided, then the dryer s al b tested with the

con en ation b x

6.4 Preparation of the tumble dry r for a te t s rie

Bef ore a te t s rie is commen ed the tumble dry r s al b c ec ed to confirm that it has

no o eratin def ects that may aff ect the operation of the u it

Bef ore e c te t s rie the fiters, he t ex han ers an d cts inten ed to b serviced by the

u er s al b cle ned ac ordin to the man f acturer’s in tru tion

The man facturer’s sp cif i ation for the fre ue c of cle ning of the he t ex han er an

related f ilters s al b f ol owed If no sp cif i ation is given regardin f req en y, or the

sp cified f eq en y is gre ter than six c cle then the he t ex han er an its related fi ters

s al not b cle ned b twe n te t run within a te t s rie In this context, the

man f acturer’s sp cification for cle nin the he t ex han er an its related f ilters me n the

sp cification that is directed toward the u er

6.5 Preparation of the tumble dry r for a te t run

Bef ore e c te t run the f ilters, he t ex han ers an d cts inten ed to b serviced by the

u er s al b cleaned ac ording to the man f acturer’s in tru tion

The tumble dry r s al b at la oratory ambient temp rature (ref er to 5.2.3.1) at the

b gin in of e c te t run This req irement has b en met if the temp rature of the hotest

internal s rf ace of the tumble dry r drum remain within 2 °C of the ambient air temp rature

f or a p riod of 15 min whi e the drum do r remain closed Alternatively the tumble dry r

NOT Th later is th pref ere meth d wh n te tin tumble dryers with a hig th rmal ma s (s c a h at

p mp dry rs)

6.6 Preparation of te t loa s

This section sets out req irements for the pre aration of the te t loa s u ed in the tumble

dry r whic is to b tested in ac ordan e with this PAS Ref er to Clau e 7 regardin the

selection of the req ired te t loa ma s an req irements for tests at rate c pa ity This

section sets out:

• pre- re tme t of new te t loa items prior to u e in testin ;

• age req irements for te t loa items u ed in a te t s rie ;

• normal zation of the te t loa items;

• conditioning of te t loa items to determine the te t loa ma s at a k own remainin

moisture conte t;

• te t loa comp sition;

• wet in of the te t loa

6.6.2 Pre- re tme t of new test loa items prior to us

New te t loa items s al b tre ted b f ore their first u e by u dergoin a normal zation

was proces five times, as def i ed in 6.6.4 but without intermediate dryin 15 g of the

referen e detergent A* b se p wder p r k of te t loa is ad ed to the f irst f i e was es Af ter

the final pre- re tme t was , the te t loa s al b dried Te t loa items that have

u dergone f ul pre- re tme t fol owin CLC/TS 5 6 0:2 14, 6.4.2 do not ne d to u dergo a

new pre- re tme t when u ed f or dryin

6.6.3 Re uireme ts re arding the a e of test loa items

No in ivid al te t loa items s al b u ed f or more than 10 te t run (Te t runs f or

was in p rf orman e ac ordin to CLC/TS 5 6 0 an /or te t runs f or tumble dry r testin

ac ordin to this PAS) ex lu in pre- re tme t ru s prior to initial u e an the normal zation

ru s (refer to 6.6.4)

Te t loa s inten ed f or tumble dry r tests f ol owin this PAS s al not b u ed for an other

purp se ex e t f or was p rf orman e tests fol owin the f ul proced res in CLC/TS 5 6 0

L ad that have b en u ed f or any other purp se are not s ita le for tumble dry r tests

Af ter they have b en u ed f or a minimum of 10 te t ru s an a maximum of 12 te t runs, al

te t loa items s al u dergo normal zation Normal zation is the proces of was in the

te t loa in a was in mac ine u in a sp cif ied programme in order to brin the te t loa

b c into a stan ardized state

6.6.4.2 Normal zation proc dure of te t loa items

Normal zation of the te t loa items is ac ieved by proces in them on e in a was in

mac ine u in 15 g p r k of test lo d items of the referen e detergent A* b se p wder

Car y this out u in a was in mac ine an programme as des rib d in A.7 On completion of

6.6.5 Conditioning of te t loa items

Conditioning is the proces of brin in the te t loa to a k own moisture conte t after

normal zation an dryin at the completion of a test s rie in order to c ec the

stan ardized mas of e c lo d item prior to commen in the next te t s rie

Conditioning may b done in an ambient controled ro m/c amb r or u in the b ne dry

method

The conditioning method u ed s al b re orted

6.6.5.2 Conditioning of te t loa items in a ambie t control e room/c amber

In this method, the te t loa texti es are dried in a tumble dry r to a final moisture conte t

of a out −1 % in the case of s nthetic /blen texti es an they are then stretc ed or f lat ened

by han They are then al owed to re c an eq i brium moisture conte t when placed in a

ro m/c amb r with an ambient temp rature an h midity whic is maintained in ac ordan e

with 5.2.3.2 Un er this method, two o tion are avai a le as f ol ows:

• The texties s al be h n sin ly an se arately so that air can fe ly circ late b twe n

in ivid al lo d items The lo d is left f or a p riod of not les than 15 h

• Texti es s al b lef t u ti their mas has c an ed by les than 0,5 % f or two s c es ive

me s rements whic are taken at intervals of 2 h or more

NOT Th f i al moisture co tent is d fin d at −1 % in ord r to e s re th t al items of th lo d are c n itio e

c min f rom a more dry state

The mas of the complete te t loa in its con itioned state s al b recorded

6.6.5.3 Conditioning of te t loa items using the bone dry method

In this method, the te t loa texti es are dried contin al y in a tumble dry r of k own

p rorman e u ti the remaining moisture conte t has b en red ced to a level that is k own

as the “b ne dry” con ition, where very lt le f re moisture is present The con itioned mas of

the te t loa is then determined by takin the b ne dry mas an multiplyin it by factor

whic is determined by the dryer p rf orman e c aracteristic

The sp cification f or the tumble dry r u ed an the method to pre are the te t loa to the

b ne dry con ition prior to a te t s rie an the calc lation of con itioned mas is sp cif ied

in A.3

6.6.6 Te t loa comp sition

The te t loa ma s is adju ted so that it cor esp n s to the req ired te t loa ma s f or the

sp cified programme of the tumble dry r to b tested The n mb rs of smal , medium an

large s e ts in the te t loa for variou req ired te t loa ma s s are selected so that they

as mu h as p s ible cor esp n to the n mb r of test lo d items as sp cif ied in

CLC/TS 5 6 0 for the same test lo d mas in a was in mac ine of the same lo d size The

n mb r of test lo d items are sp cif ied in Ta le 3 Final adju tment of the te t loa ma s, is

made by ad in or removin smal s e ts so that the total mas is as close as p s ible

(± ,0 k ) to the req ired nominal te t loa ma s

Table 3 – Number of items in the te t loa

NOT Th n mb r of smal me ium a d larg s e ts in this ta le wi giv a te t

load a simiar a p s ible to th te t lo d u e for th s me lo d ma s in

CLC/T 5 6 0

6.6.6.2 Calc lation of the composition of te t loa items f or loa size ab v 10 k

The mas of the in ivid al test lo d items as def i ed a ove is a nominal value Therefore the

n mb r of smal an large s e ts f or a certain lo d as defined in Ta le 3 may diff er If

adju tments ne d to b done the n mb r of smal s e t s al not b selected lower than 10

6.6.7.2 Wet in proc d re

The initial moisture conte t is esta l s ed by wetin an spin in the lo d

The lo d s al b homogene u ly wet ed This s al b car ied out in a was in mac ine

ac ordin to the sp cif i ation given in 5.4.3 In order to get the wet in to b as

homogene u ly as p s ible the extraction sp ed of the was in mac ine s al b set so low

where

μ

io

is the nominal initial moisture content

The moisture conte t of the wet te t loa μ

Water is then ad ed evenly by me n of a fine spray as neces ary, so that the initial

moisture conte t of the te t loa when startin the test l es within the al owa le ran e

sp cified in Ta le 4 This initial wet mas is recorded as W

i

Initial moisture conte ts other than sp cified in Ta le 4 may b u ed if cle rly stated with

the res lts An ex F s ows how the res lts of tests u in two diff erent initial moisture

conte ts may b u ed to calc late the dryin time an energ con umption that relate to

other initial moisture conte ts

NOT 1 Th pref ere meth d is th o e giv n in An e F Th v lu s giv n in Ta le 4 are o ly re omme d d

wh re a sin le re ult is re uire for a sin le mark t a d lo d

NOT 2 Re ults me s re dire tly h v priority o er re ults c lc late u in th meth d s own in An e F, for

This clau e sets out the overal strateg for car yin out p rorman e tests u in this PAS

Prior to p rormin a te t s rie , the fol owin p rameters ne d to b selected:

• p r orman e tests req ired (energ an water con umption, con en ation ef ficien y, etc);

• initial moisture conte t of the te t loa ;

• target f in l moisture conte t of the te t loa ;

• te t loa ma s

The primary req irement of this PAS is f or determination of p r orman e at rate c pa ity for

e c relevant lo d typ an set of test con ition Any claim of p r orman e to this PAS

without a statement of lo d size s al b determined on the b sis of tests at rated c pa ity

However, ad itional tests may b con u ted at other ca acities An claims of p rf orman e

f or s c test res lts s al b q al fied with the te t loa ca acity u ed

When two or more of the fol owin p r orman e p rameters are req ired f or a sin le tumble

dry r, they s al b me s red as far as p s ible u in a sin le common te t s rie as set

out in Clau e 8:

• electric energ con umption;

• ste m energ con umption;

• gas energ con umption;

• water con umption;

• programme time;

• con en ation eff i ien y;

• texti e dryin temp rature;

8.2 Te t proc d re for performa c te ts

8.2.1 Te t con itions, materials a d preparation f or te ting

For e c te t run the tumble dry r s al b pre ared ac ordin to Clau e 6

8.2.2 Programme

The programme selected on the tumble dry r an an as ociated set in s s al initial y b in

ac ordan e with the man facturer’s in tru tion In the a sence of an in tru tion f om the

man f acturer, or if the recommen ed programme do not ac ieve val d res lts (se 8.2.5)

then a s ita le programme is esta l s ed by trial an er or b fore a ful te t s rie is car ied

out

Table 5 – Spe ific tion for f inal moisture conte t of the te t loa

af ter drying in a cot on dry programme

The selected programme s al b u ed for al te t runs in a te t s rie If it is decided p rt

way throu h a te t s rie that the programme s al b c an ed in order to ac ieve the

req ired target final moisture conte t value then the te t s rie s al b a orted an

another te t s rie started u in the alternate programme

The programme selected on the tumble dry r (with an as ociated setin s) s al b

Immediately b fore e c te t run, the te t loa s al b wet ed ac ordin to 6.6.7

The te t loa s al b lo ded into the tumble dry r within 5 min of havin b en wet ed an

the selected programme s al b started without delay

No control on the tumble dry r (f or example the timer control) s al b adju ted by the

o erator whi e the programme is ru nin

At the e d of the programme, the te t loa s al b removed within 2 min an immediately

weig ed The final te t loa ma s f or te t run j is recorded as W

f j

When the programme has terminated an the tumble dry r has sto p d, this me n that the

te t ru has finis ed The te t loa s al not b s bjected to any further dryin as p rt of the

0(expres ed as a p rcentage)

If the final moisture conte t f or a te t ru is within the ran e given in Ta le 5, then the te t

ru s al b declared val d Otherwise the te t run s al b declared in al d

If the dryer has sto p d automatical y d rin a te t run b cau e a con en ate container is

f ul of water, the f act s al b re orted an the te t run s al b declared in al d

An ad erse warnin in icators (e.g warnin s or f aults) s al b recorded an con idered

when as es in te t run valdity However, if the ru is not in al d for an of the re son

given a ove, it s al b declared val d

8.2.6 Val dity of a te t s rie

A te t s rie of five tests s al b car ied out on the tumble dry r In circ mstan es where

one of the five te t runs is in al d, a sixth te t ru may b car ied out on the tumble dry r

u in the same programme setin , an the same nominal initial moisture conte t as al the

previou te t run in the te t s rie The in ald te t ru s al b el minated completely f rom

If more than one te t ru is in al d in a te t s rie , then the whole te t s rie s al b

declared in al d

If the average f inal moisture conte t for a te t s rie of five val d ru s is b low the up er

l mit of the al owa le ran e given in Ta le 5, then the te t s rie s al b declared val d an

the res lts evaluated ac ordin to Clau e 9 Otherwise the te t s rie s al b in al d

If a te t s rie of 5 vald te t runs is in al d, it s al not b made val d by s bstitutin one of

the te t ru s with a sixth te t run

Data f rom an in ald te t s rie s al not b u ed for evaluation ac ordin to Clau e 9

If a tumble dry r can ot complete a val d te t s rie u in the programme recommen ed

by the manufacturer to dry a p rtic lar lo d typ then this fact s al b re orted A new te t

s rie s al then b car ied out u in the programme with the next lower final moisture

conte t If no s c programme is avai a le then the te t s rie s al b sto p d

A s hematic re resentation of a te t s rie is set out in An ex C

8.3 Me s reme ts to determine water a d e ergy cons mption a d programme time

This s bclau e contain sp cific req irements f or the me s rement of energ con umption,

programme time an water cons mption The purp se is to o tain re rod cible data for the

calc lation of en ironmental imp cts an cost of o eration b sed on energ an water

con umption

Evaluation of the me s rements p rormed in this clau e is set out in 9.2, 9.3, 9.4 an 9.5

The water ad ed to the proces in the form of ste m s al not b ad ed to the cor ected water

con umption as des rib d in 9.5 The ste m s al b re orted as ki ograms of ste m

ac ordin to Clau e G.9

8.3.2 Proc d re

The te t loa s al b s bjected to the p rf orman e test proced re sp cif ied in 8.2 Durin

these tests, in trumentation f or the me s rement of electrical energ , ste m energ , gas

energ , water volume an temp rature s al record the req ired p rameters (refer to

Clau e 5) It is recommen ed that data f or al p rameters b recorded at reg lar intervals

throu hout the test u in a data log er or computer Data col ection s ould commen e wel

b fore the programme is initiated an contin e u ti af ter the e d of the programme

Me s rements s al commen e when the programme is initiated (without an u er

programmed delay) They s al b sto p d at the e d of th programme

Me s rements s al b made on al five val d te t ru s of a val d te t s rie f or the selected

programme

8.4 Me s reme ts to determine conde s tion ef ficie c

This s bclau e contain sp cif i req irements for the me s rement of con en ation

eff i ien y of conde s r tumble dry rs Evaluation of the me s rements p rf ormed in this

8.4.2 Proc d re

The tumble dry r s al b con itioned no more than 3 h b f ore the first te t run by dryin a

rate c pa ity lo d that has b en weted to no les than the minimum relevant value given in

Ta le 4 It s al then b alowed to co l to ambient temp rature as des rib d in 6.5

The tumble dry r do r s al remain closed d rin the p riod b fore startin the test

The te t loa s al b s bjected to the p rf orman e test proced re sp cified in 8.2

The mas of the te t loa is me s red immediately b f ore an after the te t run The mas

of moisture con en ed d rin the te t ru an water col ected is determined

If more than 3 h ela ses b twe n one te t run an the next then the tumble dry r s al b

con itioned as des rib d a ove prior to the next te t run

Me s rements s al b made on al f i e val d te t ru s of a val d te t s rie for the selected

programme

8.5 Me s reme ts to determine e ha st air volume

This clau e contain sp cific req irements f or the me s rement of ex au t air volume

Evaluation of the me s rements p r ormed in this clau e is set out in 9.9

This me s rement is a pl ca le for external y ve te tumble dry rs only

Un er certain cl matic con ition an air v nte tumble dry r whic is external y vented may

con ume ad itional thermal energ where the in o r temp rature is lower or hig er than the

outdo r air temp rature In this case it is as umed that the ex au t air is vented outside an

re laced throu h the intake of outdo r air into the bui din

8.6 Performa c me s reme t at ma imum e ha st d ct pre s re

Perf orman e me s rement te t s rie are normal y p rf ormed with an ex au t d ct pres ure

ac ordin to Ta le B.2 A p rorman e test can also b made at the maximum ex au t d ct

pres ure in icated by the man facturer In that case the damp r in Fig re B.2 s al b set so

the pres ure dro in the ex au t d ct is eq al to the maximum pres ure declared by the

man f acturer

8.7 Me s reme t of the te ti e drying temperature

The texti e dryin temp rature s al b me s red by temperature loggers placed in the drum

an f ol owin the lo d d rin the dryin phase The proced re an sp cif i ation of the log ers

are des rib d in Anne J

9 A sses ment of perf orma ce

Clau e 9 sets out the primary evaluation method f or the as es ment of tumble dry r

p rorman e u der this PAS This clau e in lu es the evaluation of al the p r orman e

p rameters lsted in Clau e 7

Rou din s al only b a pl ed to re orted values in An ex D If n mb rs have to b rou ded

they s al b rou ded to the ne rest n mb r ac ordin to ISO 8 0 0-1:2 0 , B.3, Rule B If

the rou ding takes place to the rig t of the comma, the omited places s al not b f il ed with

9.2 Final moisture conte t of the loa

The final moisture conte t of the lo d s al b evaluated as s own in 8.2.4

The average final moisture conte t µ of the val d te t runs of a te t s rie is calc lated as:

is the me s red final moisture content af ter test ru j

The stan ard deviation of the me s red f inal moisture conte t S

b, whic is a me s re of the

varia i ty b twe n te t ru s in one te t s rie on a selected programme or timer set in , is

is the me s red final moisture content af ter test ru j;

µ is the average me s red f inal moisture conte t for the te t s rie

9.3 Total e erg

The total me s red energ E

mj

is the s m of the me s red electric energ an the me s red

ste m energ me s red ac ordin to An ex G an , if gas energ is me s red, to fol ow the

in tru tion in An ex H

If the final moisture conte t of a val d te t ru is within the target ran e given in Ta le 5

then the cor ected energ con umption s al b evaluated as s own b low u in the

me s rements f om vald te t runs determined in 8.3

Otherwise, no cor ection s al b made on the energy con umption an the me s red energ

con umption s al b declared as the cor ected energ con umption

The cor ected energ con umption E

W is the rate c pa ity of the tumble dry r for the typ of lo d tested;

The average cor ected energy con umption E is calc lated f rom the cor ected energ

con umption of al vald te t runs:

1

1

jn

is the cor ected energ con umption of the te t run j

9.5 Cor e te water cons mption

The cor ected water con umption s al b evaluated as s own b low u in the me s rements

f rom val d te t runs determined in 8.3

The cor ected water con umption L

is the target final moisture conte t;

W is the rate c pa ity of the tumble dry r f or the typ of lo d tested;

is the mas of the te t loa after dryin

The average cor ected water con umption L is calc lated f rom the cor ected water

con umption of al val d te t ru s:

1

1

jn

is the cor ected water con umption of te t run j

9.6 Cor e te programme time

If the fin l moisture conte t of a val d te t run is within the target ran e given in Ta le 5

then the cor ected programme time s al b evaluated as s own b low u in the

Otherwise, no cor ection s al b made on the programme time an the me s red

programme time s al b declared as the cor ected energy con umption

The cor ected programme time T

is the target final moisture conte t;

W is the rate c pa ity of the tumble dry r f or the typ of lo d tested;

is the mas of the te t loa after dryin

The average cor ected programme time t is calc lated f rom the cor ected programme time

is the cor ected programme time of te t run j

9.7 Conde s tion ef f icie c

The conde s tion ef ficie c s al b evaluated as s own b low u in the me s rements

f rom val d te t runs determined in 8.4

The average con en ation eff i ien y C is calc lated fom the con en ation ef ficien ies of al

val d te t runs an expres ed as a p rcentage:

1

jn

∑

For e c test, the relevant data that s al b re orted are l sted in An ex D It is

recommen ed that the data b presented in the format s own in An ex D