Installation Electrical; General Recommendations; Installer-Supplied Components - Trane Ascend ACS 140 Installation, Operation And Maintenance Manual

Air-cooled chiller
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Installation Electrical

General Recommendations

As you review this manual, keep in mind that:
All field-installed wiring must conform to National
Electric Code (NEC) guidelines, and any applicable
state and local codes. Be sure to satisfy proper
equipment grounding requirements per NEC.
Compressor motor and unit electrical data
(including motor kW, voltage utilization range,
rated load amps) is listed on the chiller nameplate.
All field-installed wiring must be checked for proper
terminations, and for possible shorts or grounds.
N N o o t t e e : : Always refer to wiring diagrams shipped with
chiller or unit submittal for specific electrical
schematic and connection information.
W W A A R R N N I I N N G G
H H a a z z a a r r d d o o u u s s V V o o l l t t a a g g e e - - P P r r e e s s s s u u r r i i z z e e d d
F F l l a a m m m m a a b b l l e e F F l l u u i i d d ! !
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 a a l l l l e e l l e e c c t t r r i i c c a a l l s s a a f f e e t t y y p p r r e e c c a a u u t t i i o o n n s s
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 . .
D D o o n n o o t t o o p p e e r r a a t t e e c c o o m m p p r r e e s s s s o o r r w w i i t t h h o o u u t t t t e e r r m m i i n n a a l l b b o o x x
c c o o v v e e r r i i n n p p l l a a c c e e . .
T T h h e e m m o o t t o o r r s s i i n n 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 s s h h a a v v e e s s t t r r o o n n g g
p p e e r r m m a a n n e e n n t t m m a a g g n n e e t t m m o o t t o o r r s s a a n n d d h h a a v v e e t t h h e e c c a a p p a a b b i i l l i i t t y y
t t o o g g e e n n e e r r a a t t e e v v o o l l t t a a g g e e d d u u r r i i n n g g s s i i t t u u a a t t i i o o n n s s w w h h e e n n t t h h e e
r r e e f f r r i i g g e e r r a a n n t t c c h h a a r r g g e e i i s s b b e e i i n n g g m m i i g g r r a a t t e e d d . . T T h h i i s s
p p o o t t e e n n t t i i a a l l w w i i l l l l b b e e p p r r e e s s e e n n t t a a t t t t h h e e m m o o t t o o r r t t e e r r m m i i n n a a l l s s
a a n n d d a a t t t t h h e e o o u u t t p p u u t t o o f f t t h h e e v v a a r r i i a a b b l l e e s s p p e e e e d d d d r r i i v v e e s s i i n n
t t h h e e p p o o w w e e r r p p a a n n e e l l . .
B B e e f f o o r r e e r r e e m m o o v v i i n n g g c c o o m m p p r r e e s s s s o o r r t t e e r r m m i i n n a a l l b b o o x x c c o o v v e e r r
f f o o r r s s e e r r v v i i c c i i n n g g , , o o r r s s e e r r v v i i c c i i n n g g p p o o w w e e r r s s i i d d e e o o f f c c o o n n t t r r o o l l
p p a a n n e e l l , , C C L L O O S S E E C C O O M M P P R R E E S S S S O O R R D D I I S S C C H H A A R R G G E E
S S E E R R V V I I C C E E V V A A L L V V E E a a n n d d d d i i s s c c o o n n n n e e c c t t a a l l l l e e l l e e c c t t r r i i c c p p o o w w e e r r
i i n n c c l l u u d d i i n n g g r r e e m m o o t t e e d d i i s s c c o o n n n n e e c c t t s s . . D D i i s s c c h h a a r r g g e e a a l l l l m m o o t t o o r r
s s t t a a r r t t / / r r u u n n c c a a p p a a c c i i t t o o r r s s . . F F o o l l l l o o w w l l o o c c k k o o u u t t / / t t a a g g o o u u t t
p p r r o o c c e e d d u u r r e e s s t t o o e e n n s s u u r r e e t t h h e e p p o o w w e e r r c c a a n n n n o o t t b b e e
i i n n a a d d v v e e r r t t e e n n t t l l y y e e n n e e r r g g i i z z e e d d . . V V e e r r i i f f y y w w i i t t h h a a n n
a a p p p p r r o o p p r r i i a a t t e e v v o o l l t t m m e e t t e e r r t t h h a a t t a a l l l l c c a a p p a a c c i i t t o o r r s s h h a a v v e e
d d i i s s c c h h a a r r g g e e d d . .
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 c c o o n n t t a a i i n n s s h h o o t t , , p p r r e e s s s s u u r r i i z z e e d d
r r e e f f r r i i g g e e r r a a n n t t . . M M o o t t o o r r t t e e r r m m i i n n a a l l s s a a c c t t a a s s a a s s e e a a l l a a g g a a i i n n s s t t
t t h h i i s s r r e e f f r r i i g g e e r r a a n n t t . . C C a a r r e e s s h h o o u u l l d d b b e e t t a a k k e e n n w w h h e e n n
s s e e r r v v i i c c i i n n g g N N O O T T t t o o d d a a m m a a g g e e o o r r l l o o o o s s e e n n m m o o t t o o r r
t t e e r r m m i i n n a a l l s s . .
AC-SVX002D-EN
W W A A R R N N I I N N G G
H H a a z z a a r r d d o o u u s s V V o o l l t t a a g g e e ! !
F F a a i i l l u u r r e e t t o o d d i i s s c c o o n n n n e e c c t t p p o o w w e e r r b b e e f f o o r r e e s s e e r r v v i i c c i i n n g g 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 . .
D D i i s s c c o o n n n n e e c c t t a a l l l l e e l l e e c c t t r r i i c c p p o o w w e e r r , , i i n n c c l l u u d d i i n n g g r r e e m m o o t t e e
d d i i s s c c o o n n n n e e c c t t s s b b e e f f o o r r e e s s e e r r v v i i c c i i n n g g . . F F o o l l l l o o w w p p r r o o p p e e r r
l l o o c c k k o o u u t t / / t t a a g g o o u u t t p p r r o o c c e e d d u u r r e e s s t t o o e e n n s s u u r r e e t t h h e e p p o o w w e e r r
c c a a n n n n o o t t b b e e i i n n a a d d v v e e r r t t e e n n t t l l y y e e n n e e r r g g i i z z e e d d . . V V e e r r i i f f y y t t h h a a t t n n o o
p p o o w w e e r r i i s s p p r r e e s s e e n n t t w w i i t t h h a a v v o o l l t t m m e e t t e e r r . .
W W A A R R N N I I N N G G
P P r r o o p p e e r r F F i i e e l l d d W W i i r r i i n n g g a a n n d d G G r r o o u u n n d d i i n n g g
R R e e q q u u i i r r e e d d ! !
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 c c o o d d e e 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 l l l l f f i i e e l l d d w w i i r r i i n n g g M M U U S S T T b b e e p p e e r r f f o o r r m m e e d d b b y y q q u u a a l l i i f f i i e e d d
p p e e r r s s o o n n n n e e l l . . I I m m p p r r o o p p e e r r l l y y i i n n s s t t a a l l l l e e d d a a n n d d g g r r o o u u n n d d e e d d
f f i i e e l l d d w w i i r r i i n n g g p p o o s s e e s s F F I I R R E E a a n n d d E E L L E E C C T T R R O O C C U U T T I I O O N N
h h a a z z a a r r d d s s . . T T o o a a v v o o i i d d t t h h e e s s e e h h a a z z a a r r d d s s , , y y o o u u M M U U S S T T f f o o l l l l o o w w
r r e e q q u u i i r r e e m m e e n n t t s s f f o o r r f f i i e e l l d d w w i i r r i i n n g g i i n n s s t t a a l l l l a a t t i i o o n n a a n n d d
g g r r o o u u n n d d i i n n g g a a s s d d e e s s c c r r i i b b e e d d i i n n N N E E C C a a n n d d y y o o u u r r l l o o c c a a l l / /
s s t t a a t t e e / / n n a a t t i i o o n n a a l l e e l l e e c c t t r r i i c c a a l l c c o o d d e e s s . .
N N O O T T I I C C E E
U U s s e e C C o o p p p p e e r r C C o o n n d d u u c c t t o o r r s s O O n n l l y y ! !
F F a a i i l l u u r r e e t t o o u u s s e e c c o o p p p p e e r r c c o o n n d d u u c c t t o o r r s s 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
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 a a s s t t h h e e e e q q u u i i p p m m e e n n t t w w a a s s n n o o t t
d d e e s s i i g g n n e e d d o o r r q q u u a a l l i i f f i i e e d d t t o o a a c c c c e e p p t t o o t t h h e e r r t t y y p p e e s s o o f f
c c o o n n d d u u c c t t o o r r s s . .
I I m m p p o o r r t t a a n n t t : :
To prevent control malfunctions, do not run low
voltage wiring (<30 V) in conduit with conductors
carrying more than 30 volts.

Installer-Supplied Components

Customer wiring interface connections are shown in
the electrical schematics and connection diagrams that
are shipped with the unit. The installer must provide
the following components if not ordered with the unit:
Power supply wiring (in conduit) for all field-wired
connections.
All control (interconnecting) wiring (in conduit) for
field supplied devices.
Fused-disconnect switches or circuit breakers.
35

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