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WSHP-SVX01D-EN 55
Field Installed Power Wiring
Power wiring to the equipment must
conform to National and Local Electric
Codes (NEC) by a professional
electrician.
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 Elec-
tric Code (NEC latest edition).
Location of the applicable electric
service entrance for HIGH (line volt-
age) may be found on the unit sub-
mittal at the front of this manual
(pages 10 through 47).
The high voltage connection is made
at the 1K1 contactor or 1TB1 power
block inside the unit control box. See
Figure 8. Refer to the customer con-
nection diagram that is shipped with
the unit for specific termination points.
Provide proper grounding for the unit
in accordance with the local and na-
tional 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
control panel.
Installation
Power Wiring
Figure 8: Example of power wiring