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20 WSHP-SVX02A-EN
Pre-Start
Checklist
Pre-Start-up Checklist
Before energizing the unit, the following system devices must be checked:
____ Is the high voltage power supply correct and in accordance with the nameplate ratings?
____ Is the field wiring and circuit protection 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 recommendation 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 accor-
dance with the Closed-Loop/Ground Source Heat Pump Systems Installation Guide).
____ Is vibration isolation provided? (i.e. unit isolation pad, hosekits)
____ Is unit serviceable? (See clearance specifications on page 6).
____ 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 established and circulating through all the units?
____ Is the zone sensor correctly wired and in a good location?
____ Has all work been done in accordance with applicable local and national codes?
____ Has heat transfer fluid been added in the proper mix to prevent freezing in closed system application?