Ingersoll-Rand Trane Ascend ACS, Installation, Operation And Maintenance Manual

Page: 36 / 88

36 AC-SVX002C-EN
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 No otte e:: Always refer to wiring diagrams shipped with
chiller or unit submittal for specific electrical
schematic and connection information.
W WA AR RN NIIN NG G
H Ha azza arrd do ou uss V Vo olltta ag ge e -- P Prre essssu urriizze ed d
F Flla am mm ma ab blle e F Fllu uiid d!!
F Fa aiillu urre e tto o ffo ollllo ow w a allll e elle eccttrriicca all ssa affe etty y p prre ecca au uttiio on nss
cco ou ulld d rre essu ulltt iin n d de ea atth h o orr sse erriio ou uss iin njju urry y..
D Do o n no ott o op pe erra atte e cco om mp prre esssso orr w wiitth ho ou utt tte errm miin na all b bo ox x
cco ov ve err iin n p plla acce e..
T Th he e m mo otto orrss iin n tth he e cco om mp prre esssso orrss h ha av ve e ssttrro on ng g
p pe errm ma an ne en ntt m ma ag gn ne ett m mo otto orrss a an nd d h ha av ve e tth he e cca ap pa ab biilliitty y
tto o g ge en ne erra atte e v vo olltta ag ge e d du urriin ng g ssiittu ua attiio on nss w wh he en n tth he e
rre effrriig ge erra an ntt cch ha arrg ge e iiss b be eiin ng g m miig grra atte ed d.. T Th hiiss
p po otte en nttiia all w wiillll b be e p prre esse en ntt a att tth he e m mo otto orr tte errm miin na allss
a an nd d a att tth he e o ou uttp pu utt o off tth he e v va arriia ab blle e ssp pe ee ed d d drriiv ve ess iin n
tth he e p po ow we err p pa an ne ell..
B Be effo orre e rre em mo ov viin ng g cco om mp prre esssso orr tte errm miin na all b bo ox x cco ov ve err
ffo orr sse errv viicciin ng g,, o orr sse errv viicciin ng g p po ow we err ssiid de e o off cco on nttrro oll
p pa an ne ell,, C CL LO OS SE E C CO OM MP PR RE ES SS SO OR R D DIIS SC CH HA AR RG GE E
S SE ER RV VIIC CE E V VA AL LV VE E a an nd d d diisscco on nn ne ecctt a allll e elle eccttrriicc p po ow we err
iin nccllu ud diin ng g rre em mo otte e d diisscco on nn ne eccttss.. D Diisscch ha arrg ge e a allll m mo otto orr
sstta arrtt//rru un n cca ap pa acciitto orrss.. F Fo ollllo ow w llo occkko ou utt//tta ag go ou utt
p prro occe ed du urre ess tto o e en nssu urre e tth he e p po ow we err cca an nn no ott b be e
iin na ad dv ve errtte en nttlly y e en ne errg giizze ed d.. V Ve erriiffy y w wiitth h a an n
a ap pp prro op prriia atte e v vo ollttm me ette err tth ha att a allll cca ap pa acciitto orrss h ha av ve e
d diisscch ha arrg ge ed d..
T Th he e cco om mp prre esssso orr cco on ntta aiin nss h ho ott,, p prre essssu urriizze ed d
rre effrriig ge erra an ntt.. M Mo otto orr tte errm miin na allss a acctt a ass a a sse ea all a ag ga aiin nsstt
tth hiiss rre effrriig ge erra an ntt.. C Ca arre e ssh ho ou ulld d b be e tta akke en n w wh he en n
sse errv viicciin ng g N NO OT T tto o d da am ma ag ge e o orr llo oo osse en n m mo otto orr
tte errm miin na allss..
W WA AR RN NIIN NG G
H Ha azza arrd do ou uss V Vo olltta ag ge e!!
F Fa aiillu urre e tto o d diisscco on nn ne ecctt p po ow we err b be effo orre e sse errv viicciin ng g cco ou ulld d
rre essu ulltt iin n d de ea atth h o orr sse erriio ou uss iin njju urry y..
D Diisscco on nn ne ecctt a allll e elle eccttrriicc p po ow we err,, iin nccllu ud diin ng g rre em mo otte e
d diisscco on nn ne eccttss b be effo orre e sse errv viicciin ng g.. F Fo ollllo ow w p prro op pe err
llo occkko ou utt//tta ag go ou utt p prro occe ed du urre ess tto o e en nssu urre e tth he e p po ow we err
cca an n n no ott b be e iin na ad dv ve errtte en nttlly y e en ne errg giizze ed d.. V Ve erriiffy y tth ha att n no o
p po ow we err iiss p prre esse en ntt w wiitth h a a v vo ollttm me ette err..
W WA AR RN NIIN NG G
P Prro op pe err F Fiie elld d W Wiirriin ng g a an nd d G Grro ou un nd diin ng g
R Re eq qu uiirre ed d!!
F Fa aiillu urre e tto o ffo ollllo ow w cco od de e cco ou ulld d rre essu ulltt iin n d de ea atth h o orr
sse erriio ou uss iin njju urry y..
A Allll ffiie elld d w wiirriin ng g M MU US ST T b be e p pe errffo orrm me ed d b by y q qu ua alliiffiie ed d
p pe errsso on nn ne ell.. IIm mp prro op pe errlly y iin nsstta alllle ed d a an nd d g grro ou un nd de ed d
ffiie elld d w wiirriin ng g p po osse ess F FIIR RE E a an nd d E EL LE EC CT TR RO OC CU UT TIIO ON N
h ha azza arrd dss.. T To o a av vo oiid d tth he esse e h ha azza arrd dss,, y yo ou u M MU US ST T ffo ollllo ow w
rre eq qu uiirre em me en nttss ffo orr ffiie elld d w wiirriin ng g iin nsstta alllla attiio on n a an nd d
g grro ou un nd diin ng g a ass d de essccrriib be ed d iin n N NE EC C a an nd d y yo ou urr llo occa all//
sstta atte e//n na attiio on na all e elle eccttrriicca all cco od de ess..
N NO OT TIIC CE E
U Usse e C Co op pp pe err C Co on nd du ucctto orrss O On nlly y!!
F Fa aiillu urre e tto o u usse e cco op pp pe err cco on nd du ucctto orrss cco ou ulld d rre essu ulltt iin n
e eq qu uiip pm me en ntt d da am ma ag ge e a ass tth he e e eq qu uiip pm me en ntt w wa ass n no ott
d de essiig gn ne ed d o orr q qu ua alliiffiie ed d tto o a acccce ep ptt o otth he err tty yp pe ess o off
cco on nd du ucctto orrss..
IIm mp po orrtta an ntt::
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.