Refrigerant Piping - Trane RAUJ-C20 Installation, Operation And Maintenance Manual

Table 13. Expansion valve selection, 20 to 60 ton MCHE (30% bleed) (continued)
Min Tonnage Max Tonnage
6 8.5
7 10
8 13.5
11 17.5
14 21.5
17 28.5
22 30
(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
2 2.5
2.5 3
3 4.5
4 6
5 7.5
6 9
7 12
9.5 15.5
12.5 19
15 25
19.5 30
23.5 45
35 68
52.5 70
(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.
SS-SVX11K-EN
Manufacturer
Sporlan
Sporlan
Sporlan
Sporlan ERZE-12-1/2-ZGA (BP/30)
Sporlan
Sporlan
Sporlan
Manufacturer
Sporlan ERZE-1-1/2-ZGA (BP/15)
Sporlan
Sporlan
Sporlan
Sporlan
Sporlan
Sporlan
Sporlan ERZE-12-1/2-ZGA (BP/15)
Sporlan
Sporlan
Sporlan
Sporlan
Sporlan
Sporlan
Selection (a)
ERZE-5-ZGA (BP/30)
ERZE-6-ZGA (BP/30)
ERZE-8-ZGA (BP/30)
ERZE-15-ZGA (BP/30)
OZE-20-ZGA (BP/30)
OZE-25-ZGA (BP/30)
Selection (a)
ERZE-2-ZGA (BP/15)
ERZE-3-ZGA (BP/15)
ERZE-4-ZGA (BP/15)
ERZE-5-ZGA (BP/15)
ERZE-6-ZGA (BP/15)
ERZE-8-ZGA (BP/15)
ERZE-15-ZGA (BP/15)
OZE-20-ZGA (BP/15)
OZE-25-ZGA (BP/15)
OZE-35-ZGA (BP/15)
OZE-50-ZGA (BP/15)
OZE-60-ZGA (BP/15)

Refrigerant Piping

C C o o m m p p r r e e s s s s o o r r D D a a m m a a g g e e ! !
P P O O E E o o i i l l i i s s h h y y g g r r o o s s c c o o p p i i c c – – i i t t a a b b s s o o r r b b s s w w a a t t e e r r d d i i r r e e c c t t l l y y
f f r r o o m m t t h h e e a a i i r r . . T T h h i i s s w w a a t t e e r r i i s s n n e e a a r r l l y y i i m m p p o o s s s s i i b b l l e e t t o o
r r e e m m o o v v e e f f r r o o m m t t h h e e c c o o m m p p r r e e s s s s o o r r o o i i l l a a n n d d c c a a n n r r e e s s u u l l t t i i n n
c c o o m m p p r r e e s s s s o o r r f f a a i i l l u u r r e e s s . .
T T o o p p r r e e v v e e n n t t P P O O E E o o i i l l f f r r o o m m a a b b s s o o r r b b i i n n g g w w a a t t e e r r , , t t h h e e
s s y y s s t t e e m m s s h h o o u u l l d d n n o o t t r r e e m m a a i i n n o o p p e e n n f f o o r r l l o o n n g g e e r r t t h h a a n n
n n e e c c e e s s s s a a r r y y . . W W h h e e n n o o p p e e n n , , d d r r y y n n i i t t r r o o g g e e n n s s h h o o u u l l d d f f l l o o w w
t t h h r r o o u u g g h h t t h h e e p p i i p p i i n n g g . . O O n n l l y y n n e e w w o o i i l l c c o o n n t t a a i i n n e e r r s s s s h h o o u u l l d d
b b e e u u s s e e d d f f o o r r s s e e r r v v i i c c e e a a n n d d m m a a i i n n t t e e n n a a n n c c e e . . A A l l w w a a y y s s u u s s e e
t t h h e e s s m m a a l l l l e e s s t t c c o o n n t t a a i i n n e e r r s s i i z z e e r r e e q q u u i i r r e e d d f f o o r r t t h h e e j j o o b b
r r e e q q u u i i r r e e m m e e n n t t s s . . A A l l w w a a y y s s l l e e a a v v e e t t h h e e o o i i l l c c o o n n t t a a i i n n e e r r
t t i i g g h h t t l l y y s s e e a a l l e e d d u u n n t t i i l l t t i i m m e e o o f f u u s s e e . . D D o o n n o o t t r r e e u u s s e e o o i i l l
t t h h a a t t h h a a s s b b e e e e n n o o p p e e n n e e d d . .
I I n n s s t t a a l l l l a a t t i i o o n n M M e e c c h h a a n n i i c c a a l l
Trane Part
VAL10491
VAL10492
VAL10493
VAL10494
VAL10495
VAL10496
VAL10497
Trane Part
n/a
n/a
n/a
n/a
VAL10579
VAL10580
VAL10581
VAL10582
VAL10583
VAL10584
VAL10585
VAL10586
VAL10587
VAL10588
N N O O T T I I C C E E
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