Lennox International Inc G50UH-60D-135 orlo, 1Ill, TYPICAL G50UHX FIELD WIRING DIAGRAM, U.,T r

TYPICAL G50UH(X) FIELD WIRING DIAGRAM

WARNING-

ELECTRIC SHOCK HAZARD,CAN CAUSE INJURY

OR DEATH.UNIT MUST BE GROUNDED IN ACCORDANCE WITH NATIONAL AND LOCAL CODES,

IF ANY WIRE IN THIS APPLIANCE IS REPLACED, IT

MUST BE REPLACED WITH WIRE OF LIKE SIZE,

RATING,INSULATION THICKNESS AND TERMINATION.

_ IMPORTANT-

TO PREVENT MOTOR BURNOUT,NEVER CONNECT MORE THAN ONE MOTOR LEAD TO ANY ONE CONNECTION.

PARK TERMINALS ARE UNPOWERED TERMINALS. ALL UNUSED MOTOR LEADS MUST BE WIRED TO A

PARK TERMINAL.

/:Zk FOR CORRECT NUMBER OF SECONDARY

LIMITS USED,SEE SECONDARY LIMIT

SECTION OF BLOWER SPEED CHART.

FOR 650UH-56B-90 AND

G5OUH-4BC-135ONLY.DO NOT USE

RED (LOW SPEED) MOTOR LEAD

FOR HEATING SPEED. LEAVE ON

PARK OR USE FOR CONTINUOUS AIR

CIRCULATION(FAN).

FIELD SUPPLIED ACC.IIRE.

{_V ACC	S{O				COIlBIJIONITAIR
K43 EC(_				G
	_IIIARYGAS						S{g
(IF USEO)					PROVIi_ SWITCH
	LIMIT		C(_WBIJST(_NAIR
	(_)		INN.ICERI_T_
						{ALEImNATE}
	-'e
L I-_=======_	--	V_l TE-R(X)GERS				HONEYWELL
			6A5 VALVE			6AS VALVE
	,,	orlo		000
	FLAMEROLLOUT _		FLAI_		I_NITERIR3$1		S47
	SWITCH		SENS_		J,_	_A_ _LLOm
					m_=l		_r_
			TRANSFORMER
		A_		_
		I_ITI(_W		_	CB8_	_	S2I
		:O_TROL		_,	CIRCUIT		SECONE)ARY
			PIS_	_"	BREAKER		6AS LIIIIT
			(_4:			P135
						J,3F::F::I
ROOM THIZRMOSTAT		[E{)	_)@_)

./6'kUSE COPPER CONDUCTORS ONLY.

/Z_X 24V HUM IS A I/4" FEMALE OUICK

CONNECT TERMINAL

----FIELD INSTALLED CLASS II24V

--FIELD INSTALLED LINE VOLTAGE

I I I I I

'1 _1,.....

I I i'----"-------la

_' _ _

U.,T r --- ....

OUTB:_

FIGURE 24

INTEGRATED CONTROL BOARD

TEll\

COOL

H EAT

PARK

FAN

EAC

XFMR

LINE

HUM

5 Terminals

FS

24V HUM

1/4" FEMALE

QUICK

CONNECT

_SECONDARY 6AS LIMIT

.,1'Ill,	_
J III	INOOOe

C4 BLOWERMOTO_

J I CAPACITOR

all (9

IINAL DESIGNATIONS

Blower- Cooling Speed (120MAC) Blower - Heating Speed (120VAC) Unused Blower (Not energized)

Continuous Low Blower Speed

Accessory Terminal (120VAC)

Transformer (120VAC)

Input (120VAC)

Heat Only Accessory (120VAC)

120 Volt Neutral

Flame Sensor

Heat Only Accessory (24VAC)

SI DIP SWITCHES

HEAT OFF		DELAY
l	2	SEC
OFF	OFF	60
OFF	ON	90 *
ON	OFF	120
ON	ON	180

COOL OFF DELAY

3	_	SEC
OFF	_	2 *
ON	_	45

*Factory setting

FIGURE 25

Page 23