Water Piping; Condenser Connections; Condensate Drain Connections - Trane IntelliPak SCWF 20 Installation, Operation And Maintenance Manual

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
Figure 21. Proper lifting of the airside economizer
(top) and airside economizer option (bottom)
Lifting
Strap

Water Piping

Condenser Connections

W W A A R R N N I I N N G G
H H i i g g h h P P r r e e s s s s u u r r e e W W a a t t e e r r ! !
F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w i i n n s s t t r r u u c c t t i i o o n n s s b b e e l l o o w w c c o o u u l l d d r r e e s s u u l l t t i i n n
d d e e a a t t h h o o r r s s e e r r i i o o u u s s i i n n j j u u r r y y , , a a n n d d e e q q u u i i p p m m e e n n t t d d a a m m a a g g e e . .
P P r r o o v v i i d d e e r r e e l l i i e e f f v v a a l l v v e e o o n n s s y y s s t t e e m m w w a a t t e e r r p p i i p p i i n n g g t t o o
p p r r e e v v e e n n t t i i n n s s t t a a n n t t a a n n e e o o u u s s r r e e l l e e a a s s e e o o f f h h i i g g h h p p r r e e s s s s u u r r e e
w w a a t t e e r r . .
N N O O T T I I C C E E
P P r r o o p p e e r r W W a a t t e e r r T T r r e e a a t t m m e e n n t t R R e e q q u u i i r r e e d d ! !
T T h h e e u u s s e e o o f f u u n n t t r r e e a a t t e e d d o o r r i i m m p p r r o o p p e e r r l l y y t t r r e e a a t t e e d d w w a a t t e e r r
c c o o u u l l d d r r e e s s u u l l t t i i n n s s c c a a l l i i n n g g , , e e r r o o s s i i o o n n , , c c o o r r r r o o s s i i o o n n , , a a l l g g a a e e o o r r
s s l l i i m m e e . .
U U s s e e t t h h e e s s e e r r v v i i c c e e s s o o f f a a q q u u a a l l i i f f i i e e d d w w a a t t e e r r t t r r e e a a t t m m e e n n t t
s s p p e e c c i i a a l l i i s s t t t t o o d d e e t t e e r r m m i i n n e e w w h h a a t t w w a a t t e e r r t t r r e e a a t t m m e e n n t t , , i i f f
a a n n y y , , i i s s r r e e q q u u i i r r e e d d . . T T r r a a n n e e a a s s s s u u m m e e s s n n o o r r e e s s p p o o n n s s i i b b i i l l i i t t y y
f f o o r r e e q q u u i i p p m m e e n n t t f f a a i i l l u u r r e e s s w w h h i i c c h h r r e e s s u u l l t t f f r r o o m m u u n n t t r r e e a a t t e e d d
o o r r i i m m p p r r o o p p e e r r l l y y t t r r e e a a t t e e d d w w a a t t e e r r , , o o r r s s a a l l i i n n e e o o r r b b r r a a c c k k i i s s h h
w w a a t t e e r r . .
Condenser water piping knockouts are in the lower left
end panel. If necessary, remove insulation to gain
access. All field-installed piping must conform to
applicable local, state, and federal codes. To complete
condenser water connections follow the procedure
below.
38
Spreader
Bar
Cable with
spreader bar
Hanging Bracket
C-Channel
N N o o t t e e : : Four (4) condenser waterline drain plugs ship in
a bag in the left end of the unit. The installer
must field install these four plugs using pipe
thread sealer. An additional plug is provided for
units with a waterside economizer.
1. Install the vent plugs in the economizer coil headers
and condenser manifolds. See These plugs ship in a
bag with the condenser drain plugs.
2. Attach the water supply line to the inlet connection,
and the return line to the outlet connection.
Entering and leaving water connections for all
condensers are factory manifolded and require only
single connections for entering and leaving water. If
the unit has a waterside economizer and/or control
valves, the factory pipes between these
components.
3. If using a cooling tower, refer to for a typical piping
circuit from the unit.
4. Ensure the water pressure to the unit does not
exceed 400 psig.
N N o o t t e e : : To prevent water pump damage, design system
piping to provide relief when using energy
saving waterside economizer valves.
Figure 22. Economizer coil vent and condenser
cleanout/drain plugs.

Condensate Drain Connections

The condensate drain is internally trapped. Condensate
drain connections are on the right side of the unit.
Connect condensate drain piping to the 1-1/4" NPT
female fitting, using at least 7/8" OD copper or 3/4" OD
iron pipe. Pitch the condensate line downward a
SCXF-SVX01Q-EN