Johnson Controls BQ 060 COOLING / HEATING 24 VOLT THERMOSTAT, Multi Stage, Typical Power Wiring

364985-XIM-B-0508

TYPICAL POWER WIRING

REFER TO THE ELECTRICAL DATA

TABLES TO SIZE THE DISCONNECT

SWITCH, OVERCURRENT PROTEC-

TION AND WIRING.

TYPICAL CONTROL WIRING

COOLING / HEATING (24 VOLT THERMOSTAT)

THERMOSTAT1

TERMINALS

	RH	UNIT TERMINAL
ADD		STRIP TB1
JUMPER	RC	R
	Y	Y1	24 VOLT
		Y2	TRANSFORMER

WW1

W2

GG

C

124 VOLT THERMOSTAT 2ET07701024. TO CONTROL THE ECONOMIZER ON THE SECOND STAGE COOLING OR TO HAVE AN ELECTRIC HEAT ACCESSORY WITH TWO STAGES OF HEAT, USE THERMOSTAT 2TH0471024.

COOLING / HEATING (ELECTRONIC THERMOSTAT)	COOLING / HEATING (ELECTRONIC THERMOSTAT)
MULTI STAGE	SINGLE STAGE

THERMOSTAT1						THERMOSTAT1
TERMINALS			UNIT TERMINAL				UNIT TERMINAL
						TERMINALS
	RC		STRIP TB1	24 VOLT
ADD						RH	STRIP TB1
	RH		R	TRANSFORMER
JUMPER						RC	R
	Y1		Y1		ADD
		2				Y	Y1
	Y2		Y2		JUMPER
						W	W1
	W1		W1
4						G	G
	W2	3	W2
							C
	G		G
							24 VOLT
	B		C
							TRANSFORMER

	LED 1		X
	LED 2	NOT	OCC	1ELECTRONIC PROGRAMMABLE THERMOSTAT 2ET07701024 (INCLUDES SUBBASE).
		USED 4
	COM
				TO CONTROL THE ECONOMIZER ON SECOND STAGE COOLING, USE THERMOSTAT
ADD	A1			2TH04700224.
JUMPER	A2

T TO REMOTE SENSOR

T 2TH040702224 IF USED

1ELECTRONIC PROGRAMMABLE THERMOSTAT 2ET04700224 (INCLUDES SUBBASE).

2 SECOND STAGE COOLING IS NOT REQUIRED ON UNITS LESS ECONOMIZER.

3SECOND STAGE HEATING IS ONLY REQUIRED ON UNITS WITH A TWO STAGE ELECTRIC HEATER OR 2 STAGE GAS HEAT.

4REMOVE JUMPER J2 FROM TERMINALS 4 AND 9 ON JUMPER PLUG CONNECTOR P6 ON UNITS WITH ECONOMIZER. TERMINALS A1 AND A2 PROVIDE A RELAY OUT-PUT TO CLOSE THE OUTDOOR ECONOMIZER DAMPERS WHEN THE THERMOSTAT SWITCHES TO THE SET-BACK POSITION.

FIGURE 3 - TYPICAL FIELD POWER & CONTROL WIRING

Johnson Controls Unitary Products 9