Carrier 50FK Status Switch Inputs, Connector J2 Status Switch Unit Size Terminal no, 034-104

		LEGEND
	CR	Ð Control Relay
LEGEND	EC	Ð Enthalpy Control
	LPS Ð Low-Pressure Switch
T Ð Thermistor
		Fig. 3 Ð Pin Terminal Connector J2
Field Wiring
Accessory		Status Switch Inputs

Fig. 2 Ð Pin Terminal Connector J1

Thermistor Inputs

Table 2 Ð Pin Terminal Connector J2

Status Switch Inputs

	CONNECTOR J2	STATUS SWITCH	UNIT SIZE
	TERMINAL NO.		034-104
	1,2	Oil Pressure,	Jumpered
		Circuit 2
	3,4	Oil Pressure,	Jumpered
		Circuit 1
	7,8	Loss Of Charge,	LPS2
		Circuit 2
	9,10	Loss of Charge,	LPS1
		Circuit 1
	13,14	Economizer	EC
		Changeover
	15,20	Compressor Fault	CR2
		Signal
	15,24	Compressor Fault	CR1
		Signal
	LEGEND
CR	Ð Control Relay
EC	Ð Enthalpy Control

LPS Ð Low-Pressure Switch

NOTE: Terminal numbers 5, 6, 11, 12, 16-19, and 21-23 are not used on these units.

	LEGEND
IN	Ð Input	Factory Wiring
P	Ð Potentiometer	Field Wiring
RNT Ð Return		Accessory
SW	Ð Switch

Fig. 4 Ð Pin Terminal Connector J3

Potentiometer Inputs

4