background image

Summary of Contents for PHD548

Page 1: ... death and or property damage Do not use this unit if any part has been under water Immediately call a qualified service technician to inspect the unit and to replace any part of the control system which has been under water FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in personal injury death and or property damage Information in this manual MUST be followed exa...

Page 2: ...ur heat pump system requires a thermostat with 2 stages of cooling and at least 2 stages of heating use of electric heat will require at least 3 stages of heating You simply adjust the thermostat and it maintains the indoor temperature at the level you select Most thermostats of heat pump systems have 3 controls a temperature control selector a FAN control and a SYSTEM or MODE control Refer to you...

Page 3: ...els or performing maintenance functions inside your unit be aware of sharp sheet metal parts and screws Although special care is taken to reduce sharp edges to a minimum be extremely careful when handling parts or reaching into the unit Air Filters The air filter s should be checked every 3 or 4 weeks and changed or cleaned whenever it becomes dirty Dirty filters produce excessive stress on the bl...

Page 4: ...ar should include the following 1 Inspection and if required cleaning of the outdoor and indoor coils 2 Inspection and if required cleaning of the indoor coil drain pan 3 Inspection and cleaning of blower wheel housing and motor 4 Inspection of all supply and return air ducts for leaks obstructions and insulation integrity Any problems found should be resolved at this time 5 Inspection of the unit...

Reviews: