Installation
WSHP-SVX13C-EN
43
Note:
Vents should be open when the pumps and
supplementary heat system are shut down.
Field Installed Power Wiring
Verify that the power supply available is compatible with
the unit’s nameplate. Use only copper conductors to
connect the power supply to the unit.
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 service entrance for
HIGH (line voltage) may be found in the Dimensions
section of this manual.
The high-voltage connection is made at the power block
inside the unit control box. Refer to the customer
connection diagram that is shipped with the unit for
specific termination points.
Provide proper grounding for the unit in accordance with
the local and national codes.
Control Power Transformer
The 24V control power transformer is to be used only with
the accessories called out in this manual. All variable-
speed WSHP units include a 75 VA control transformer
equipped with a circuit breaker. If a circuit breaker trips,
turn OFF all power to the unit before attempting to reset it.
Sensor Location
Location of the zone sensor is an important element of
effective room control.
Areas where the zone sensor should not be located
include:
•
Behind doors or corners
•
Near hot or cold air ducts
•
Near radiant heat (this is heat emitted from appliances
or the sun)
•
Near concealed pipes or chimneys
•
On outside walls or other non conditioned surfaces
In air-flows from adjacent zones or other units.Controls
Using 24 VAC
WARNING
Proper Field Wiring and Grounding
Required!
All field wiring MUST be performed by qualified
personnel. Improperly installed and grounded field
wiring poses FIRE and ELECTROCUTION hazards. To
avoid these hazards, you MUST follow requirements for
field wiring installation and grounding as described in
NEC and your local/state electrical codes. Failure to
follow codes could result in death or serious injury.
WARNING
Live Electrical Components!
During installation, testing, servicing and
troubleshooting of this product, it may be necessary to
work with live electrical components. Have a qualified
licensed electrician or other individual who has been
properly trained in handling live electrical components
perform these tasks. Failure to follow all electrical
safety precautions when exposed to live electrical
components could result in death or serious injury.
NOTICE:
Use Copper Conductors Only!
Unit terminals are not designed to accept other types
of conductors. Failure to use copper conductors may
result in equipment damage.
WARNING
Proper Field Wiring and Grounding
Required!
All field wiring MUST be performed by qualified
personnel. Improperly installed and grounded field
wiring poses FIRE and ELECTROCUTION hazards. To
avoid these hazards, you MUST follow requirements for
field wiring installation and grounding as described in
NEC and your local/state electrical codes. Failure to
follow codes could result in death or serious injury.
WARNING
Hazardous Voltage!
Disconnect all electric power, including remote
disconnects before servicing. Follow proper lockout/
tagout procedures to ensure the power can not be
inadvertently energized. Failure to disconnect power
before servicing could result in death or serious injury.
Figure 30. Sensor location
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eet
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