Johnson Controls R-410A Heat Pump User Manual


 
505429-JTG-F-1010
118 Johnson Controls Unitary Products
Typical Field Wiring Diagram - J25NC Evaporator Unit with J25YC Condenser Unit
NOTE: On non J**NC/ND Evaporator models, isolation
relays must be installed to avoid overloading on 75
VA transformers on the condensing unit.
J25NC Liquid Line Solenoid Wiring