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7/26/2019 TheFutureOfRefrigerants.pptx
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The Current State of R-22 and
the Future with New Generation
Refrigerants
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FreonThe DuPont Invented, Workhorse Refrigerant of the
last 50 years.
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A Low Cost
Supply ofR-22
Refrigerant Management Plan
Recovered R-22
Use recovered R-22 to serviceother equipment
Return to holesalerrefrigerant reclaim center to
get value !"# for R-22
Reclaim
Re$lace
Retro%t
Rec&cle
S&stem '
R-22
R-22 R-22 R-22
R-22 R-22 R-22
S&stem 2
S&stem (
S&stem )
S&stem *
S&stem +
S&stem ,
S&stem '
M../
NewS&ste
mR-)'01
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R-22 Re$lacement Refrigerants
Mineral ilCom$atile
Full change toP3 luricant
re4uired
1irConditioning
Refrigeration
R-)(51 R-)0,C
R-)(51 R-)0,1R-)226
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Com$aring R-22 7No il Change8 Productsfor
1ir Conditioning 1$$lications
9SC3N M../!R-)(51#
R-)226 R-)22: R-)2'1'
Ca$acit& !;# -, -5 -'2 -'2
CP !;# -2 -) -( -*
Com$onents
R-(2(2 >20 >2'
Performance relative to R-22? !># is increase@ !-# is decrease
Calorimeter 6ata at 1AR9 Standard *)0 1ir Conditioning Conditions? Performance relative to R-22)* F 1vg 3va$ Tem$ < ''* F 1vg Cond Tem$ < +* F Return Gas Tem$ < '* F Sucool from 1vg CondTem
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R-22 to 9SC3N M../ !R-)(51#Retro%t ProcedureD
'= Review retro%t guidelines
2= tain :aseline 6ata on R-22
(= Recover R-22
)= Change %lter driers
*= Change critical elastomeric seals
+= 3vacuate s&stem E lea chec
,= Charge with M../ ? Start-u$ and monitor
5= ea Chec@ ael s&stem@ and o$timiHe set-$oints ifneeded
*ISCE!" #$$% Retro&t 'uidelines (nd
ISCE!" #$$% Retro&t )ideo
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Summar& of il ManagementConsiderations
#$$% e,cels in most Residenti(l AC. Commerci(l AC.(nd Refri/er(tion
0hese consider(tions (re true forA!1!o ilCh(n/e3 product
Ise of (ny)00-series retro%t lend is not
recommended
S&stem Guidance
More co!le" systes #ith !otentialfor challenging oil return
$ong !i!e runs and%or !oor linevelocity design
$i&uid receivers 'ut no oil se!arator!resent
()0* P+ addition
Trane -D /croll % Danfoss /crollRe!lace +il in
o!ressor /u!#ith P+
/cre# co!ressorsDetailed syste
evaluationrecoended
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PT3N1 ne# generation of lo#2WP refrigerants.
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Why Do We 3eed 3e# Refrigerants4
orldwide focus on Gloal arming !ClimateChange#
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http4www+ep(+/ovo5onesn(pre/ul(tions+html
3Kective
6ate
RefrigerantPro$osed Inacce$tale
forL1$$licati
ons
)0)Model6ear
R-7a Mo'ile 1
'
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Creating the Future of Refrigerants
;
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AF-'2()&f !CF(CFQCA2# er& Similar to AFC-'()a ut
with ver& low GP
/ae o!erating conditionsas -7a >siilar P%T curve?
Therally sta'le undere"tree use conditions
a!acity and e@ciencysiilar to R-7a
Mildly Aaa'ility >1)$?
Vapor Pressure
Pressure,
MPa
Temperature, oC
R-'()a AF-'2()&f
Formula CA2FCF( CF(CFQCA2
Molecular eight '02 '')
6P 0 0
GP'00 !1R*# '(00 '
T Critical Point '02 C .*C
:oiling Point -2+C -2.CDuPont Confidential
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;o# ;
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Moile 1ir Conditioning
CommercialiHed in 20'' New Car Models
Maret 6rivers
GP Regulation in 3I@ IS and a$an
Performance :ene%ts 6irect '()a re$lacement ower cost $er vehicle vs= not-in-ind
solutions
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6uPont $teon Refrigerants
3onAaa'le Mildly
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+!teonB CP0
R5-1
Re!laceent for -7a
1eotro!ic refrigerant"cellent ca!acity and e@ciency atch for -7ao!ati'le #ith e"isting e&ui!ent design%lu'ricants
Reduction in 2WP of 58*2WP of 8- falls #ell 'elo# E 500%000 lines
XP10 P ti
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XP10 Properties
R-'()a P'0
Chemical Formula CF(CA2F 1Heotro$e
'00 &r GP !1R)# ')(0 +('
ToVicit&
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P'0 Calorimeter Testing -- Reci$Com$ressor
2% better energy efciency
5% higher capacity
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P'0 3valuation in Su$ermaret -A&rid S&stem
- Retro%tted from R-'()a Medium Tem$? C2in ow Tem$
- Running for four &ears
DuPont Confidential
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Annual Energy Use and TEWI Comparison
0E8I reduced 9y :;< vs R-:=:A
system
DuPont Confidential
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+!teonB CP77
R75)1
Re!laceent for 7071%50F
Matches discharge te!erature of 7071%50Fritical for trans!ort a!!lications
Matches ass Ao# rate of 7071%50F3o TC: adGustents necessary
o!ati'le #ith e"isting e&ui!ent design%lu'ricants1 nonAaa'leReduction in 2WP of 77*2WP of )70
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+!teonB CP70
R77H1
Re!laceent for 7071%50F
5-'2; more energ& eOcient than )0)1
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P)0 Pro$erties
R-)0)1 P)0
'00 &r GP (.22 '(.,
Flammailit& None None
:oiling Point WC !F# -), !-*(# -)+ !-*'#
Critical Point WC !F# ,2 !'+2# 52 !'50#
a$or Pressure at 2*WC
in Pa !Psia#
'2*) !'52# '2,) !'5*#
i4uid 6ensit& at 2*WCin g
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S&stem Testing 6is$la& Case with 3VternalCondensing Init
2=* m !5=0 ft# o$en food dis$la&case designed for R-)0)1@ full&loaded with food simulator
Reci$rocating com$ressor withP3 (2 oil
Refrigerant charge siHe Y(=5 g
!5=) l#@ adZusted ased on li4uiddensit&
Tested $er 1SAR13 Standard ,2-200*
Tested at two amient tem$sL 25C!52F# and (*C !.*F# in outdoor
room@ 2)C !,*F# in indoor room nl& minor T adZustment made
!'=+ turns closed#
Tested at low and medium tem$conditions
Open Display Case in Indoor Room
Condensing Unit in Outdoor Room
DuPont Confidential
Condensing Init
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Condensing Init?< lower ener/y consumption Simil(r pressures (nd compression r(tio #odest incre(se in disch(r/e 0 (nd sli/htly
lower m(ss @ow r(te DuPont Confidential
C d i U itDi l C ! d T R lt
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Condensing UnitDisplay Case !ed Temp Results
3nerg&ConsRel toR)0)1
MassFlowRateg
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DuPont Confidential
alifornia /u!erarketonversion fro 7071 to +!teonB CP70
+cto'er )07
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DuPont Confidential
+!erational Data
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DuPont Confidential
nergy DataDaily nergy Esage and 1verage Te!erature
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DuPont Confidential
o!arison nergy Data
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DuPont Confidential
alifornia Retrot /uary
nerg& ene%t of .; from mid-ct to &ear endPotential for further ene%t at higher amient te
o changes to e&ui!ent, !i!ing, lu'ricant or seals%gasketsdGust TC:s for o!tiied !erforanceeets cooling deandta'le o!eration
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DuPont Confidential
7071%50F Re!laceent +!tions
/uary
7071%50F P)0 70F1 70F< +)
GP \ '*00 -H0) '(., )0F J)5
3nerg&3Ocienc& Kase
>5-'2; L L L%9
Ca$acit& Kase Q L L
3W
T1dZustment Kase Ues 6es 6es
3W
il P+ P3 P+ P+
3W
9 Poor at higher a'ient conditions
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+!teonB CP70
R77H1
Re!laceent for R))
liinates a retrot to 70F series refrigerants a!acity e&uivalent to 7071%50FMinial TC: adGustent
Reduction in 2WP of ))*2WP of -HF falls 'elo# E 500 line
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DuPont Confidential
R)) Re!laceent +!tions /uary
R)) P)0 70F1 70F