York D1EE 048 Disconnect Switch Bracket, For Units With Optional Belt-Driveblower, JUPERJ1FR

10.To check that the damper blades move smoothly without binding, carefully turn the minimum position adjusting screw fully clockwise and then energize and de-energize terminals “R” to “G”. With terminals “R” to “G” energized, turn the minimum position screw counterclockwise until the desired minimum position has been attained.

11.Replace the filter section access panel.

035-12046-003-A-0204

DISCONNECT SWITCH BRACKET

FOR UNITS WITH OPTIONAL BELT-DRIVE BLOWER

A special bracket for mounting a field-supplied disconnect switch is provided in each unit ordered with an optional belt- drive supply air blower. The bracket is shipped inside the blower compartment taped to the top of the blower housing.

POWER WIRING

REFER TO THE APPROPRIATE ELECTRICAL DATA TABLE TO SIZE THE DISCONNECT SWITCH, OVERCURRENT PROTECTION AND WIRING.

CONTROL WIRING

COOLINGTHCOOLINGERMOSTATINALSONLYUNITSTRIP(24TERMINALVOLTVOLTTB1THERMOSTAT)THERMOSTAT)
	R V	1	R		24VLT
	YC		Y1	TRANSFRMERO
			Y2
	24VOLTTHEROSTAT2TH07701024IF			UNITHASANCONOMIZER,
REMOVEPREVENTSIMULTANEOUSOPERATI				OF	COMPRSSORRELAYAND
SECONDSTAGEOFCOOLING,USETHETHERMOSTAT2TH04701224.
	GF
	JUPERJ1FR		TERMINALS8AND10ONTHE
THEECONOMIZER.IFYOUWANTTOCONTROL					ECONOMIZERBOARDON
1			B

COOLING / HEATING (ELECTRONIC THERMOSTAT)

COOLING / HEATING (24 VOLT THERMOSTAT)

COOLING/HEATING(24VOLTTHERMOSTAT)

THERMOSTAT1

TERMINALS

	UNITTERMINAL
RH	STRIPTB1
ADD
JUMPER RC	R
Y	Y1	24VOLT

TRANSFORMER

Y2

WW1

W2

GG

B

124VOLTTHERMOSTAT2TH07701024.IFTHEUNITHASANECONOMIZER, REMOVEJUMPERJ1FROMTERMINALS8AND10ONTHERELAYBOARD TOPREVENTSIMULTANEOUSOPERATIONOFTHECOMPRESSORAND THEECONOMIZER.IFYOUWANTTOCONTROLTHERECONOMIZERONA SECONDSTAGEOFCOOLINGORHAVEANDELECTRICHEATACCESSORY WITHTWOSTAGESOFHEAT,USETHERMOSTAT2TH0471024

COOLING / HEATING (ELECTRONIC THERMOSTAT)

THERMOSTAT1
TERMINALS					UNITTERMINAL
	RC				STRIPTB1	24VOLT
ADD
	RH		2		R	TRANSFORMER	COOLING/HEATING(ELECTRONICTHERMOSTAT)
JUMPER
	Y1				Y1				SINGLESTAGE
	Y2			2	Y2
4	W1		3		W1			THERMOSTAT
				3
	W2				W2				1
	G				G			TERMINALS	UNITTERMINAL
	B				B
									STRIPTB1
	LED1				X			RH
	LED2		NOT		N			RC	R
			USED
	COM			4			ADD
		4						Y	Y1
ADD	A1						JUMPER
								W	W1
JUMPER	A2
	T			TOREMOTESENSOR				G	G
	T			2TH040702224IFUSED					B

1ELECTRONICPROGRAMMABLETHERMOSTAT2ET04700224(INCLUDESSUBBASE)

2SECONDSTAGECOOLINGISNOTREQUIREDONUNITSLESSECONOMIZER.

3SECONDSTAGEHEATINGISONLYREQUIREDONUNITSWITHATWOSTAGE ELECTRICHEATER.

4REMOVEJUMBERJ2FROMTERMINALS4AND9ONJUMPERPLUGCONNECTOR P6ONUNITSWITHECONMIZER.TERMINALSA1ANDA2PROVIDEARELAY OUT-PUTTOCLOSETHEOUTDOORECONOMIZERDAMPERSWHENTHE THERMOSTATSWITCHESTOTHESET-BACKPOSITION.

24VOLT

TRANSFORMER

1ELECTRONICPROGRAMMABLETHERMOSTAT2ET07701024(INCLUDESSUBBASE).

IFTHISUNITHASANDECONOMIZER,REMOVEJUMPERJ1FROMTERMINALS8AND 10ONTHERELAYBOARDTOPREVENTSIMULTANEOUSOPERATIONOFTHE COMPRESSORANDTHEECONOMIZER.IFYOUWANTTOCONTROLTHE ECONOMIZERONASECONDSTAGEOFCOOLING,USETHERMOSTAT2ET04700224.

FIG. 4 - TYPICAL FIELD WIRING

6 Unitary Products Group