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18 WSHP-SVX04A-EN
Field Installed Power Wiring
Power wiring to the equipment must
conform to National and Local Electric
Codes (NEC) by a professional electri-
cian.
WARNING
Live Electrical
Components!
During installation, testing, ser-
vicing and troubleshooting of this
product, it may be necessary to
work with live electrical compo-
nents. Have a qualified licensed
electrician or other individual
who has been properly trained in
handling live electrical compo-
nents perform these tasks. Failure
to follow all electrical safety pre-
cautions when exposed to live
electrical components could re-
sult in death or serious injury.
Verify that the power supply available
is compatible with the unit’s name-
plate. Use only copper conductors to
connect the power supply to the unit.
CAUTION
Use Copper
Conductors Only!
Unit terminals are not designed
to accept other types of conduc-
tors. Failure to use copper con-
ductors may result in equipment
damage.
Main Unit Power Wiring
A field supplied disconnect switch
must be installed at or near the unit in
accordance with the National Electric
Code (NEC latest edition).
Location of the applicable electric ser-
vice entrance for HIGH (line voltage)
may be found on the unit submittals
(pages 7 to 13).
1 The high voltage connection is
made at the 1K1 contactor inside of
the unit control box. Refer to the
connection diagram that is shipped
with the unit for specific termina-
tion points.
2 Provide proper grounding for the
unit in accordance with the local
and national codes.
Control Power Transformer
The 24-volt control power transform-
ers are to be used only with the acces-
sories called out in this manual.
Transformers rated greater than 50 VA
are equipped with internal circuit
breakers. If a circuit breaker trips, turn
OFF all power to the unit before at-
tempting to reset it.
WARNING
Hazardous Voltage!
Disconnect all electric power, in-
cluding remote disconnects be-
fore servicing. Follow proper
lockout/tagout procedures to en-
sure the power can not be inad-
vertently energized. Failure to
disconnect power before servic-
ing could result in death or seri-
ous injury.
The transformer is located in the
unit’s control box.
Installation