Trane RAUJ-C20, Installation, Operation And Maintenance Manual

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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
N NO OT TIIC CE E
C Co om mp prre esssso orr D Da am ma ag ge e!!
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cco om mp prre esssso orr ffa aiillu urre ess..
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n ne ecce essssa arry y.. W Wh he en n o op pe en n,, d drry y n niittrro og ge en n ssh ho ou ulld d ffllo ow w
tth hrro ou ug gh h tth he e p piip piin ng g.. O On nlly y n ne ew w o oiill cco on ntta aiin ne errss ssh ho ou ulld d
b be e u usse ed d ffo orr sse errv viicce e a an nd d m ma aiin ntte en na an ncce e.. A Allw wa ay yss u usse e
tth he e ssm ma alllle esstt cco on ntta aiin ne err ssiizze e rre eq qu uiirre ed d ffo orr tth he e jjo ob b
rre eq qu uiirre em me en nttss.. A Allw wa ay yss lle ea av ve e tth he e o oiill cco on ntta aiin ne err
ttiig gh httlly y sse ea alle ed d u un nttiill ttiim me e o off u usse e.. D Do o n no ott rre eu usse e o oiill
tth ha att h ha ass b be ee en n o op pe en ne ed d..
IIn nsstta alllla attiio on n M Me ecch ha an niicca all