Commissioning Checklist
General
Air Filters: Overall Size and Number
Drain Pipe Traps and Vents fitted to Indoor Unit as per Installation Instructions
Y / N
Drain is Clearing Water Properly
Y / N
Check Vibration of Outdoor Unit
OK / EXCESSIVE
Check Vibration of Indoor Unit
OK / EXCESSIVE
Belt Tensioning Adjusted
Y / N
Paint Finish Checked and Repaired
Y / N
Ducting
Total Air Flow (Total of all inlets) (L/s)
Total System external resistance (Pa) Measured downstream of fan outlets
plus upstream of Coil(s)
Estimate of Fresh Air Make Up (% or L/s)
Electrical
Supply Voltage
Compressor Amps
Overload Settings
Compare with published Compressor Amps
Outdoor Fan Motor Amps
Indoor Fan Motor Amps
Boost Heater Element Amps
Total Unit Amps
Thermostat Settings (ºC)
Thermostat Operating Correctly
Y / N
Contactors & Relays Operating Correctly
Y / N
All Terminals Checked for Tightness and Label signed
Y / N
Refrigeration
Pipe sizes: Suction / Liquid (mm)
Suction:
Liquid:
Line Lengths: Horizontal / Vertical / Total (m)
H
+ V
= Total
Oil Traps in riser if condenser is above evaporator
Y / N
Evacuation done (minimum hold 500 microns for 15min)
Y / N
Refrigerant Type
Amount of oil (ml) Added to System if Line Lengths over 30m (where units are
allowed beyond this length)
Superheat setting (ºC) (refer Installation Instructions)
Refrigerant Discharge Pressure on Cooling (kPa)
Suction:
Discharge:
Refrigerant Pressure on Heating (kPa)
Suction:
Discharge:
Refrigerant Leak Check
Y / N
14 HTC – Humidity and Temperature Control Unit Installation and Operation Manual 2021
