Lennox International Inc G32Q4-100, G32Q3-100, G32Q5-125, G32Q5-100, G32Q3-75 co.Mo.A ,so,,T

3- Electrically ground unit in accordance with local codes or, in the absence of local codes, in accor- dance with the current National Electric Code (ANSI/ NFPA No. 70) and in Canada with the current Cana- dian Electric Code part 1 (CSA standard C22.1). The ground wire is provided in the field make-up box.

To ensure proper grounding of the furnace, two star washers are included in the electrical make-up box bag assembly. Place the star washer on secudng screw before installing the make-up box. Make sure the star washer breaks the paint on the cabinet so that the washer is touching metal. Unit is not properly grounded if paint has not been removed by star washer.

4- An optional 120 volt accessory wira is provided with G32 units. Install the brown accessory wire into J69 jack plug by inserting the pin of the brown wire into

the open socket of the

jack. See figure 25. Any			INSYALUNG BROWN
			ACCESSORY WIRE TO J69
accessory rated up to 4
amps can be connected to			BROWN
this wire.	Connect	the
neutral leg of the accesso-			NEUTRAL
ry to the neutral white wire
in the make-up box. The			BLAC
accessory terminal is en-			WNIT_
ergized	whenever	the
blower is in operation.			FIGURE 25

5 - Insert the three-pin (P69) plug from the control box

into the knockout provided in the blower deck.

6 - Connect jack (J69) from make-up box to jack plug in blower deck.

7 - Select wire size according to the blower motor amps.

8 - Snaphole bushing is provided for the widng entry

hole in the cabinet. A snaphole plug is providedto

seal the unused wire entry hole

INTERIOR MAKE-UP BOX INSTALLATION

__._ / J69

FIGURE 26

EXTERIOR MAKE-UP BOX INSTALLATION

BUSHING

J69

(Shown with

accesso_

wire connec_d)

P69 from

ControlBox

FIGURE 27

G32Q and CONDENSING UNIT

THERMOSTAT DESIGNATIONS

(Refer to specific thermostat and outdoor unit,)

G32	$UREUGHT
Two-Stage	Condensing _nit

Thermostat*/	COkq'ROLBOARD/ _	_	_ H,sUN,T
® ....	.......		....
J_J=l _G	COMPRESSQR		OMPRESSC_
(_ J_ -°_"_L°_-_ .(-_		G32"rwo_AGECONTROL
®_	@	co.Mo.A ,so,,T

"$1ngll-_tlgeB_s most it don not contain W2 tmrmlnal

and Wl terminal is designated as W.

FIGURE 28

9- Install room thermostat according to instructions provided with thermostat. See figure 28 for thermo- stat designations. If furnace is being used with heat pump refer to FM21 installation instruction.

NOTE - W2 thermostat connection (pigtail) must be made at two-speed control board. SureLight TM board is not equipped with a W2 terminal

10 - Install a separate disconnect switch near the unit so power can be turned off for servicing.

11 - Complete wiring connections to equipment using wiring diagrams provided with unit and in figures 32

and 33. Use 18-gauge wire or larger for thermostat connections.

12 - The two-stagerelay board controls first- and second- stage furnace operation providing maximum comfort and efficiency. The furnace may be controlled by ei- ther a single- or two-stage room thermostat.

13 - The blower will run on continuous fan speed with the low speed tap connected to the (ACB LOW) 120 volt terminal and the thermostat set to "FAN ON" when there is no call for heating or cooling.

Page 17