WSHP-SVX11E-EN 25
Pre-Start Checklist
Before energizing the unit, the following system devices
must be checked:
• Is the high voltage power supply correct and in
accordance with the namepla
te ratings?
• Is the field wiring and circu
it protecti
on the correct
size?
• Is the low voltage control circuit wiring correct per the
unit
wiring diagram?
• Is the piping system clean/complete and correct? (A
reco
mmendation of all system flushing of debris from
the water-to-refrigerant heat exchanger, along with air
purging from the water-to-refrigerant heat exchanger
be done in accordance with the Closed-Loop/Ground
Source Heat Pump Systems Installation Guide).
• Is vibration isolation provided? (i.e. unit isolation pad,
hose kits)
• Is unit serviceable? (Allow a 12-inch clearance at the
unit front for servi
ceab
ility).
• Are the low/high-side pressure temperature caps
secure and in
place?
• Are all the unit access panels secure and in place?
• Is the thermostat in the OFF position?
• Is the water flow establish
ed and circulating through
all the units?
• Is the duct work correctly sized
, ru
n, taped, insulated
and weather proofed with proper unit arrangement?
• Is the condensate line properly sized
, run, and pitched?
• Is the zone sensor (when used) correctly wired and in
a good
location?
• Does the indoor blower turn freely without rubbing?
•
Has all work been done in accordance with applicable
local and national codes?
•
Has heat transfer fluid been added in the proper mix to
pr
event freez
ing in closed system application?
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