Lennox G26 Series User Manual

BLACK
WHITE
NEUTRAL
BROWN
J69
INSTALLING BROWN
ACCESSORY WIRE TO J69
FIGURE 6
Page 10
FIGURE 4
MAKE-UP BOX INSTALLATION
MAKE-UP BOX
MAKE-UP BOX
UNIT
CABINET
Box may be installed inside or outside cabinet and may
be installed on left side or right side of cabinet
JACK J69
PLUG P69
BLOWER MULLION
BLOWER MULLION
OUTSIDE INSTALLATION
INSIDE INSTALLATION
Line Voltage Enters Make-Up
Box Through Side Of Unit and
J69 Passes Through Bottom
Knockout in Make-Up Box.
Line Voltage Enters Through
Knockout In Make-Up Box. J69
Passes Through Side Knockout
Into Side Of Unit.
STAR WASHERS
MUST BREAK
PAINT ON UNIT
CABINET FOR
PROPER
GROUND.
I−UNIT COMPONENTS
G26 unit components are shown in figure 1. General parts ori-
entation is shown in figure 3. The gas valve, ignition control
and burners can be accessed by removing the burner access
panel. The blower and blower controls can be accessed by
removing the blower access door.
G26 units are designed for bottom and side return air. The
panels are designed to be knocked-out (bottom return) or
cut-out (side return) as required for return air duct connec-
tion.
A−Make-Up Box (Figure 5)
The line voltage make-up box is shown in figure 5. The box
may be installed inside or outside the unit and may be
installed on the unit left or right side (figure 4).
FIGURE 5
MAKE-UP BOX
BOX
COVER
JACK J69
to blower deck
TO BLOWER MULLION
POWER ENTRY KNOCKOUT
120V LINE VOLTAGE
PIGTAIL CONNECTIONS
UNIT
GROUND
Box may be installed inside or outside unit. See Figure 4
An accessory (brown) output wire is provided with the make-
up box. The wire provides a 120V connection for optional ac-
cessories such as electronic air cleaner or humidifier. If used,
the wire is field installed in J69 jack plug by inserting the pin
of the brown wire into the open
socket of the jack. See figure
6. 120V accessories rated up
to 4 amps total may be con-
nected to this wire. The neutral
leg of the accessory is con-
nected to the neutral white
wire in the make-up box. The
accessory terminal is ener-
gized whenever the blower is
in operation.
B−Control Box Components
G26 CONTROL BOX
FIGURE 7
CIRCUIT
BREAKER
SURELIGHT CONTROL
(−3 through −6 models )
DOOR
INTERLOCK
SWITCH
TRANSFORMER

Lennox G26 Series Specifications

General

Brand	Lennox
Model	G26 Series
Category	Furnace
Language	English