FX-2 Control Board Installation Manual

January 4, 2019 29 Revision 1.10
Specifications
General
Temperature sensor accuracy 2°F at 77°F
Low voltage limit 115 VAC units 75VAC
Low voltage limit 230 VAC units 175VAC
Line voltage limit 250VAC
Frequency 50 or 60 Hz
Maximum board input current 30 Amps
Minimum operating temperature 0°F
Maximum operating temperature 180°F
Maximum RH conditions (Board and display) 95 % Non-condensing
Maximum length of the display cable 75 Feet
Maximum length of the Outside air sensor cable 50 Feet
Externally mounted heater or fan triac 16 Amps
Application
Direct Expansion (DX)
Fan output MAX filtered 6 Amps
Unfiltered 16 Amps with external Triac
Valve output MAX
(Or electric heater connected to valve output) 10 Amps Maximum
Pump output MAX ¼ HP at 115 VAC
½ HP at 230 VAC
Compressor output 1HP at 115 VAC
2HP at 230 VAC
Rev J PCB and above:
Heater 16 Amps with external Triac
Air Handler (AH)
Electric heater output
Rev IPCB and earlier (Connected to compressor L1 and L2) 30 Amps Maximum
Rev J PCB and above:
Heater (see wiring) 16 Amps with external Triac
30 Amps: compressor output
Valve output MAX 10 Amps Maximum
Fan output MAX 6 Amps