Ducted System Service

· Check return air filters and clean if necessary

· Check drain and unblock if necessary

· Check and assess any noises

· Check, adjust and tighten all working parts

· Check electrical connections

· Check refrigerant levels and gas pressure

· Check compressor current

· Check fans

· Check damper motors

· Thermostat check and calibration

· Isolator operation

· Crankcase heater

· Check and tighten refrigerant valves

· Check supply and return air temperatures

· System report