Owner's Manual
9
Introduction
ENGLISH
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 o
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 Source Heat
Pump Systems Installation Guide).
• Is vibration isolation provided? (i.e. unit isolation pad, hose kits)
• Is unit serviceable? (See clearance specifications).
• 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 duct work (if required) correctly sized, run, taped, insulated and weather proofed with
proper unit arrangement?
• Is the condensate line properly sized, run, trapped and pitched?
• 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 prevent freezing in closed system
application?
• Have the chassis isolation rails been released?
• Is there a good seal between the front air panel and the coil?