SS-SVX11K-EN
49
Table 13. Expansion valve selection, 20 to 60 ton MCHE (30% bleed) (continued)
Min Tonnage Max Tonnage
Manufacturer
Selection
(a)
Trane Part
6 8.5
Sporlan ERZE-5-ZGA (BP/30)
VAL10491
7 10
Sporlan ERZE-6-ZGA (BP/30)
VAL10492
8 13.5
Sporlan ERZE-8-ZGA (BP/30)
VAL10493
11 17.5
Sporlan ERZE-12-1/2-ZGA (BP/30)
VAL10494
14 21.5
Sporlan ERZE-15-ZGA (BP/30)
VAL10495
17 28.5
Sporlan OZE-20-ZGA (BP/30)
VAL10496
22 30
Sporlan OZE-25-ZGA (BP/30)
VAL10497
(a)
Valve part numbers with “-ZGA” in place of “-GA”, may be used interchangeably.
Table 14. Expansion valve selection, 80 to 120 ton MCHE (15% bleed)
Min Tonnage Max Tonnage
Manufacturer
Selection
(a)
Trane Part
2 2.5
Sporlan ERZE-1-1/2-ZGA (BP/15)
n/a
2.5 3
Sporlan ERZE-2-ZGA (BP/15)
n/a
3 4.5
Sporlan ERZE-3-ZGA (BP/15)
n/a
4 6
Sporlan ERZE-4-ZGA (BP/15)
n/a
5 7.5
Sporlan ERZE-5-ZGA (BP/15)
VAL10579
6 9
Sporlan ERZE-6-ZGA (BP/15)
VAL10580
7 12
Sporlan ERZE-8-ZGA (BP/15)
VAL10581
9.5 15.5
Sporlan ERZE-12-1/2-ZGA (BP/15)
VAL10582
12.5 19
Sporlan ERZE-15-ZGA (BP/15)
VAL10583
15 25
Sporlan OZE-20-ZGA (BP/15)
VAL10584
19.5 30
Sporlan OZE-25-ZGA (BP/15)
VAL10585
23.5 45
Sporlan OZE-35-ZGA (BP/15)
VAL10586
35 68
Sporlan OZE-50-ZGA (BP/15)
VAL10587
52.5 70
Sporlan OZE-60-ZGA (BP/15)
VAL10588
(a)
Valve part numbers with “-ZGA” in place of “-GA”, may be used interchangeably.
TXV for Remote Chiller
See Installation EVP chapter for piping between TXV
and remote chiller.
Ball Shutoff Valves
The ball shutoff valve allows for isolation of the filter/
filter drier for easier core replacement.
Two ball shutoff valves equal to the OD tubing size for
liquid line are required.
Access Valves (Ports)
The access ports in the liquid line allows the unit to be
charged with liquid refrigerant and is used to
determine sub-cooling.
Refrigerant Piping
NNOOTTIICCEE
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ccoommpprreessssoorr ffaaiilluurreess..
TToo pprreevveenntt PPOOEE ooiill ffrroomm aabbssoorrbbiinngg wwaatteerr,, tthhee
ssyysstteemm sshhoouulldd nnoott rreemmaaiinn ooppeenn ffoorr lloonnggeerr tthhaann
nneecceessssaarryy.. WWhheenn ooppeenn,, ddrryy nniittrrooggeenn sshhoouulldd ffllooww
tthhrroouugghh tthhee ppiippiinngg.. OOnnllyy nneeww ooiill ccoonnttaaiinneerrss sshhoouulldd
bbee uusseedd ffoorr sseerrvviiccee aanndd mmaaiinntteennaannccee.. AAllwwaayyss uussee
tthhee ssmmaalllleesstt ccoonnttaaiinneerr ssiizzee rreeqquuiirreedd ffoorr tthhee jjoobb
rreeqquuiirreemmeennttss.. AAllwwaayyss lleeaavvee tthhee ooiill ccoonnttaaiinneerr
ttiigghhttllyy sseeaalleedd uunnttiill ttiimmee ooff uussee.. DDoo nnoott rreeuussee ooiill
tthhaatt hhaass bbeeeenn ooppeenneedd..
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