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J a nu a ry 7 , 2 01 3

Th e H o n o ra bl e D av id D a ni e l so n Ass i s t a n t Sec re t a ry , E n e rgy Ef fi c i e n cy a nd R e n ewa bl e E n e rgy U nit e d S ta tes D e p a rtm e n t o f E ne rgy M a il S t a ti o n EE -l Fo rr es t a l Buildin g 1000 Ind e pe nd e n ce Ave nu e , S W W a s hin g t o n , D C 2 0 5 8 5

D ea r Ass i s t a nt Sec re t a ry D a ni e l so n : Sa m s un g E lec tr o ni cs A m er ica , In c. ( " S am s un g " ) res p ec f ull y s ubmit s th e A ppli ca ti o n fo r Pe titi o n fo r W a i ve r a nd Appli cati o n for Int e rim Wai ve r to th e De pa rtm e nt of E n e rgy ( " DO E " o r
" th e D e p a rtm e nt " ) rega rd s t o Sa m s un g ' s res id e nti a l re fri ge ra t o r-fr eeze r s th a t u se s h a re d du a l co mp re s so r s.
Reasoning 10 CF R P a rt 4 3 0. 27(a)( I ) a ll ows a p e r so n t o s ubmit a p etiti o n t o wa i ve fo r a p a rti c ul ati b as ic m o d e l a n y re quir e m e nt s of § 4 3 0 .23 wh e n ( I ) th e b as ic m I d e l co nt a in s o n e o r m o re d es ig n ch arac te ri s ti cs w hi c h e ith e r preve nt tes tin g of th e b as i c mod e l ac c o rdin g to th e pr esc rib e d tes t pr oce dur e s, o r ( 2 ) th e presc rib e d tes t proc e dur es may eva lu a te t ?e b as ic m o d e l in a m a nn e r s o unr e prese nt a ti ve of it s tru e e ne rgy co n s umpti o n c har ac te ri s ti cs as to pro v id e m a te ri a ll y in acc ur a te co mp a ra ti ve d a ta . C urr e nt tes t pr oce dur es a s pr es crib e d in A pp e ndi x A 1 t o S ubp a rt B of 10 P a r t 4 30 d o**ot** a d e qu a te l y pro v id e a way f o r Sam s un g t o ac cur a te ly r e pr ese nt**~e** e n e rgy co n s umpti o n of it s ref ri gera t o r- freeze r s th a t u se s h a re d du a l co mpr esso r s. M ea nwhil e , b ase d o n s imil a r**itu ti** **~,** D OE h a s a lr ead y g ra nt e d a w a ive r t o S ub- Ze ro in 77 F R 5 784 0 Fe bru a ry 6, 2 01 2 , a nd s imil arl y , a n int e rim wa i ve r t o LG in 7 7 F R 4 4 6 03 o n Jul y 3 0 , 2 01 2.
H oweve r , unlik e S ub ze ro ' s d es i g n w hi c h f eatur es two co mpr e s so r s , t wo eva p o rator s, a nd t wo d efros t heate r s , Sam s un g ' s d es ig n f ea tur es tw o compress or s, f o ur eva p orato r s , a nd thr ee d ef ros t h e a te r s .

### Sam s un g's d es i g n features four compartments that hav e their own eva por ato r s. T hr ee co mp a rtm e nt s, freezer/ convertible/ fresh food compartment, a re access ibl e w ith an exte ri o r d or a nd th e fourth ice room compartment i s a s ub compartment a nd loc a te d inside of th e fresh fO<i>d co mp ar tm e nt. D ef ros t heat e r s are a dopted a t thr ee evaporator s freezer/co n ve rtibl e/ i ce room) exce pt th e fres h food compartment evapor a tor a nd those h ea te r operate a ll together at th e sa le tim e acco rdin g to the co ntro l log ic. So esse ntiall y , there i s only o ne d ef ro st type. Despite th e e di ffe re n ces of th e co mp os ition , Samsung b e liev es th at th e test roc e dur e, as presc rib e d in the l


### wa iver g ra nt e d to S ub zero and in the int e rim waiver grant e d to G, i s eq ua ll y applicable a nd ap propri ate. More spec ifi ca ll y, Sam s un g's res id e ntial**ef ri** **gera tor-fr** **~eze s**  

### th at u se s h ared du a l 

## I compressors can b e teste d a nd ca lculate to a reaso nabl e result ith sa me test pro ced ure gra nt ed to S ub zero ' s waiver b eca u se th e test proc e dure of Subzero's waiver a dopt a multipl e d efrost sys te m of 1 ,2 or mor e co mp a rtm e nt w ith di s tinct d efros t sys te and Sa m s un g's du a l unit s h ave one d efrost sys te m d es pit e of h av in g four compartments and thr ee d efros t heate rs as exp laine8 above

. T he refo re, Sam s un g res p ectf ull y re qu ests a waiver a nd a n int erim wa i ve r for the a lt e rn a te test procedure th a t DOE h as already g ranted Sub-Zero a nd LG pertaining t o th e refrigeratorfreezers that u se s h a red du a l co mp resso r s, with minor m o dific ati o n s u ggeste d b e low: Before: 5.2.1.4 Dual Co mpr esso r Systems w ith dual A utom a ti c D efros t Wi th Minor Change: 5.2.1.4 Du a l Co mpr essor Sys te m s w ith A ut o m ati c D efrost (i = 1 is m o no, i= 2 i s dual)



### Alternate Test Procedure R ep lace th e multipl e defrost sys te m sec ti o n 5.2 .1.4 of A pp e ndi x A I with the fo ll owi l g : 5.2. 1 .4 Du a l Co mp ressor Sys te m s with A ut o matic D efr st. T he two-part test method· n sec ti o n 4.2.1 mu s t be u sed, and th e e nergy consumption in kil owatt-h o ur s per d ay s h a ll be calc ul ated e qui va le nt to: D 

## ET = 

# (1440 X 

## EPIITl) 

# + 

# L [(EP2 j - 

## (EPI 1 = 1 Where: • 1 440 = numb er of minut es in a d ay • ET is th e test cyc le e n e r gy ( kWh/da y); 

# T2/TI)) X 

# (I2/C lrD J

• i is the va ri a bl e that ca n eq u a l to 1 , 2 or m o re th a t id e nt fies th e co mp art me nt w ith distinct d efrost syste m ; • D i s the tota l numb e r of co mp a rtm e nt s w ith di s tinct d e ost syste m s; • EP 1 i s the du a l co mpr essor e ner gy ex p e nd e d durin g th e first part oft h e test ( it i s ca lc ul ate d f o r a w h o le numb er of freezer compressor c cles a t leas t 24 h o ur s in duration

## • • • • a nd m ay b e th e s umm a ti o n of s ev e ral runnin g p e ri o d s th a t d o n o t includ e a n y pr ecoo l , d e fro s t , o r recove r y p e rio ds); Tl i s th e l e n g th of tim e fo r E Pl ( minut es); E P 2 i i s th e to t a l e n e rgy co n s um e d durin g th e seco nd (d d fro s t) p a rt of th e tes t b e in g c ondu c te d f o r c omp a rtm e nt i

. (kWh ); T2 i i s th e l e n g th of tim e ( minut es) for th e seco nd ( d ef r os t) p a rt of th e tes t b e in g co ndu c te d fo r co mp a rtm e nt i. CT i i s th e co mpr ess or on tim e b e tw ee n d e fr os t s fo r o nl y co mp a rtm e nt i

. CT i fo r c omp a rtm e nt i with lo n g t i m e a ut o m a tic d ef ros t sys te m j s ca lcul a te d as p e r 10 CF R p a rt 4 3 0 s ubp art B ap pe ndi x A l cl au se 5.2. 1. 2

. C Ti fo r c o mpartm e nt i w ith va ri a bl e d ef ro s t sys te m i s ca lcul a te d as p e r 10 C FR p a rt 4 3 0 s ubp a rt B app e ndi x A l c la u se 5.2. 1. 3. ( h I ur s r o und e d t o th e n ea res t te nth of an hour). S t a bili za ti o n : T h e tes t s h a ll s t a rt a ft e r a minimum 2 4 h o ur s s tabili za ti o n run fo r eac h te mp e ra tur e co ntr o l se ttin g. S tea d y S t a te fo r E P 1 : T h e te mp e ra tur e ave rage f o r th e fir s t a nd l as t co mpress r cy cl e of th e tes t p e ri o d mu st b e w ithin I

. O ° F ( 0 .6 ° C) of th e tes t pe ri o d te mp e ratur e ave r age for e ac h c o mp a rtm e nt. M a ke thi s d e te rmin a ti o n for th e fr es h fo o d co mpartm e nt for th e fres h foo d compresso r c y cl es clo ses t t o th e s ta rt a nd e nd o f th e tes t pe ri o d

. If multipl e seg m e nt s a re u se d for tes t p e riod 1 , eac h seg m e nt mu s t co mpl y with a b ove re quir e m e nt. S tead y S ta te f o r EP 2 i : T h e sec ond ( d efros t ) p a rt of th e tes t mu s t b e prece d e d and fo ll owe d by reg ul ar co mpr ess or c yc les. T h e te mp e ra tur e av er age fo r th e fir s t a nd las t co mpr esso r cy cl e of th e test p e ri o d mu s t b e w ithin l.O o p ( 0. 6 ° C) of th e E P I tes t p e ri o d te mp e ra tur e ave r age f o r eac h co mp a rtm e nt. Tes t P e ri o d fo r E P2 i , T2 i : EP 2 i includ es precoo l , d e fro s t , and re co ve ry tim e for co p a rtm e nt i , as we ll as suf fi c ie nt du a l co mpr esso r s tead y s ta te run cy cle s to allow T 2 i to b e at I e s t 2 4 hour s . T h e tes t p e ri o d s a ll s ta rt a t th e e nd o f a r eg ul a r freeze r compress or o n- cy cl e a ft e r**~** pr ev io u s d ef ro s t o c curre n ce ( ref ri ge ra t o r o r fr eeze r ). T h e tes t p e riod al s o includ es th e t a rge t d efros t a nd f o ll ow in g reg ul a r freeze r co m p resso r cyc les, e ndin g a t th e e nd of a reg ular freezer co mpr essor o n cy cl e b efo r e th e n ex t d efros t occ urr e n ce ( ref ri ge ra t o r or fr eeze r)

. If th e prev i o u s co nditi o n d oes n o t m ee t 24 h h ur s tim e, a dditi o n a l E P I s tead y s t a te seg m e nt dat a co uld b e in c lud e d . S tea d y s ta te run cy cl e data ca n b e utili ze d in E P I a nd E P 2 i

. Tes t M eas ur e m e nt F re qu e n cy M eas ure m e nt s s h a ll b e ta ke n at re g ular int e rva l not e xc e din g 1 minut e . Fo r th e reaso n s th a t DO E d es crib e d in it s gr a ntin g o f wa ive r a nd int e rim wa ive r f o r S u bZe ro a nd L G fo r ref ri ge rato r- freeze r s w ith s h a re d du a l c ompress or s, Sam s un g b e li eves th a t tl 1e ex p e diti o u s g ra ntin g of W a ive r a nd Int e rim W a i ve r fo r th e mod e l li s te d b e lo w i s warr a nt e d :


### RF32FS *****Plea se feel free to co nt ac t m e i f yo u h ave any qu est ion s regar din g thi s Ap pli cati on fo '

. Petition for Waiver a nd App licati o n for Int e rim Waiver. 

## r will I e h appy to discu ss s h o uld any que s tion s arise. I

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. I Michae l t10ss 

## I Direc tor 0 Corporate E n vironmen ta l Affa ir s