507043-03
Page 7 of 9
Issue 1337
534773W
A/C SINGLE PHASE WIRING DIAGRAM
(Single-speed condenser fan)
Page 1: ...SI C1 1993 or current edition and Canadian Electrical Code Part 1 CSA WARNING These instructions are intended as a general guide and do not supersede national state or local codes in any way These instructions must be left with the property owner NOTE Safety Precautions 2 Unit Location Installation 2 Rooftop Installation Recommendations 3 Indoor Coil Piston Selection 3 Refrigeration Line Sets 3 In...
Page 2: ... In some cases noise in the living area has been traced to gas pulsations from improper installation of equipment 1 Locate unit away from windows patios decks etc where unit operation sounds may disturb customer 2 Ensure that vapor and liquid tube diameters are appropriate to capacity of unit 3 Run refigerant tubes as directly as possible by avoiding unecessary turns and bends 4 Leave some slack b...
Page 3: ... On brick concrete blocks or unstable surfaces Near clothes dryer exhaust vents Near sleeping area or near windows Under eaves where water snow or ice can fall directly on the unit With clearance less than 2 ft from a second uni With clearance less than 4 ft on top of unit Indoor Coil Piston Selection The outdoor section must be matched to a factory approved indoor section It is mandatory that the...
Page 4: ... for leaks after brazing and before evacuation The recommended procedure is to apply a trace amount of vapor refrigerant approximately two ounces or 3 psig into the line set and indoor coil then pressurize with 150 psig of dry nitrogen Use a refrigerant leak detector to check all joints The system may also be checked for leaks using a halide torch or pressure and soapy solution After completion of...
Page 5: ... wire to ground connection in control box for safety Connect power wiring to contactor High voltage power connections to 3 phase models is made to Pig Tail leads with field supplied splice connectors Contol Wiring The control voltage is 24 VAC NEC Class I insulated 18 AWG is required for control wiring For lengths longer than 150 feet contact your local distributor for technical service Ensure the...
Page 6: ...its with Indoor TXV Units installed with cooling mode TXV require charging with the subcooling method 1 Operate unit a minimum of 10 minutes before checking charge 2 Measure liquid service valve pressure by attaching an accurate gage to service port Determine saturation temp from T P chart 3 Measure liquid line temperature by attaching an accurate thermistor type or electronic thermometer to liqui...
Page 7: ...507043 03 Page 7 of 9 Issue 1337 534773W A C SINGLE PHASE WIRING DIAGRAM Single speed condenser fan ...
Page 8: ...Page 8 of 9 507043 03 Issue 1337 A C SINGLE PHASE WIRING DIAGRAM Multi speed condenser fan 537511 01 ...
Page 9: ...rees can be drawn into coils by movement of the air Clogged condenser coils will lower the efficiency of your unit and cause damage to the condenser Periodically debris should be brushed from the condenser coils SHARP OBJECT HAZARD WARNING Condenser coils have sharp edges Wear adequate body protection on body extremities e g gloves FAILURE TO FOLLOW THIS WARNING COULD RESULT IN BODILY INJURY Use a...
