Power Supply Wiring - Trane Ascend ACR Series Installation, Operation And Maintenance Manual

Air-cooled chiller
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I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l
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.

Power Supply Wiring

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 w w / / C C a a p p a a c c i i t t o o r r s s ! !
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 t t h h e e s s e e i i n n s s t t r r u u c c 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 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 a a n n d d 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 a a n n d d
A A F F D D ( ( A A d d a a p p t t i i v v e e F F r r e e q q u u e e n n c c y y ™ ™ D D r r i i v v e e ) ) c c a a p p a a c c i i t t o o r r 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 . .
• •
F F o o r r v v a a r r i i a a b b l l e e f f r r e e q q u u e e n n c c y y d d r r i i v v e e s s o o r r o o t t h h e e r r e e n n e e r r g g y y
s s t t o o r r i i n n g g c c o o m m p p o o n n e e n n t t s s p p r r o o v v i i d d e e d d b b y y T T r r a a n n e e o o r r
o o t t h h e e r r s s , , r r e e f f e e r r t t o o t t h h e e a a p p p p r r o o p p r r i i a a t t e e
m m a a n n u u f f a a c c t t u u r r e e r r ' ' s s l l i i t t e e r r a a t t u u r r e e f f o o r r a a l l l l o o w w a a b b l l e e
w w a a i i t t i i n n g g p p e e r r i i o o d d s s f f o o r r d d i i s s c c h h a a r r g g e e o o f f c c a a p p a a c c i i t t o o r r s s . .
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 . .
• •
D D C C b b u u s s c c a a p p a a c c i i t t o o r r s s r r e e t t a a i i n n 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 s s
a a f f t t e e r r i i n n p p u u t t p p o o w w e e r r h h a a s s b b e e e e n n d d i i s s c c o o n n n n e e c c t t e e d d . .
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 . . A A f f t t e e r r d d i i s s c c o o n n n n e e c c t t i i n n g g i i n n p p u u t t p p o o w w e e r r , ,
w w a a i i t t f f i i v v e e ( ( 5 5 ) ) m m i i n n u u t t e e s s f f o o r r t t h h e e D D C C c c a a p p a a c c i i t t o o r r s s t t o o
d d i i s s c c h h a a r r g g e e , , t t h h e e n n c c h h e e c c k k t t h h e e v v o o l l t t a a g g e e 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 . . M M a a k k e e s s u u r r e e D D C C b b u u s s c c a a p p a a c c i i t t o o r r s s a a r r e e
d d i i s s c c h h a a r r g g e e d d ( ( 0 0 V V D D C C ) ) b b e e f f o o r r e e t t o o u u c c h h i i n n g g a a n n y y
i i n n t t e e r r n n a a l l c c o o m m p p o o n n e e n n t t s s . .
F F o o r r a a d d d d i i t t i i o o n n a a l l i i n n f f o o r r m m a a t t i i o o n n r r e e g g a a r r d d i i n n g g t t h h e e s s a a f f e e
d d i i s s c c h h a a r r g g e e o o f f c c a a p p a a c c i i t t o o r r s s , , s s e e e e A A d d a a p p t t i i v v e e F F r r e e q q u u e e n n c c y y ™ ™
D D r r i i v v e e C C a a p p a a c c i i t t y y D D i i s s c c h h a a r r g g e e s s e e c c t t i i o o n n , , a a n n d d P P R R O O D D - -
S S V V B B 0 0 6 6 * * - - E E N N . .
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 . .
40
All power supply wiring must be sized and selected
accordingly by the project engineer in accordance with
NEC Table 310-16.
All wiring must comply with local codes and the
National Electrical Code. The installing (or electrical)
contractor must provide and install the system
interconnecting wiring, as well as the power supply
wiring. It must be properly sized and equipped with the
appropriate fused disconnect switches.
The type and installation location(s) of the fused
disconnects must comply with all applicable codes.
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 . .
Incoming customer power location varies with unit
configurations. See figures below.
Control Panel
Standard length units (model number digits 28,
29 = 0X)
Units with optional harmonic filtration (model
number digit 29 = 1)
Transformer: 200, 230 or 575 V units with
transformer (model number digit 28 = 1)
AC-SVX001A-EN

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