Lennox G12 Series, G12X Series, G12R Series User Information

USER'S INFORMATION

G12, G12R and G12X Series Units

i i • ,i

GABUNIT8 RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE

502,253M
8/90
SuperP,edee 3188

FOR YOUR SAFETY

Do not store or use gasoline or other

Eflammable vapors and liquids in the
Ivicinity of this or any other appliance.

i

WARNING

Improper InStallation, adjustment, alter.
arian, service, or ma|nte_'tance can

cause Injury or property damage. Refer

to this manual. For assistance or addi-

tional Information, consult a qualified
Installer, service agency, or the gas
supplier.

,,=

Litho U,S,A,

.... FOR YO01_'SAFETY

WHAT TO DO IFYOU SMELL GAS:

• Do not try to light any appliance.

• Open windows.

• Do not touch any electrical swite,b; De

not use the phone In your building.

• Immediately call your gas suppl|er from

a neighbor's phone. Follow the gas
suppller's Instructions.

• If you cannot reach your gas supplier,

call the fire department.

PARTSIDENTIFICATION

UPFLOW SERIES

BLOWER

DOWNFLOW SERIES

DIRECT

BLOWER

FAN AND

CONTROL

MAIN

VALVE

PILOT

BURNER

BOX

FILTER

HEAT

DIRECTDflIVE

FIGURE 1

WARNING-Should oyerhastlng occur or the ps
supply fell to shut off, shut off the manual gas valve

before shutting off electrical supply.

WARNING-Do not use this furnace if any pad has
been under water. Immediately call • qualified ser-

vice technician to inspect the furnace and replace

any pert of the €ontrol s_tem and any gas'control
that has been under water,

CAUTION-Before elf empties to perform any Nrvlce
or maintenance, turn electrical power off to unit el

unit disconnect switch.

i-IMPORTANT DIRECTIONS

1- Keep furnace area clear and free of combustible

materials, gasoline and other flammable vapors
and liquids,

If installed in art insulated area, furnace must be
kept free of Insulating material. Insulating material

may be combustible.
Inspect unit venting system to make sure it is in

piece, physically sound end without holes, corro-

sion or blockage,

CONNECTION

BLOWERAND

F'R.1T_

Inspect return sir duct to ensure duct is sealed to
the furnace end terminates outside the space

containing appliance.
Inspect physical support of unit to guerentee that

it is sound without sagging, cracks, or gaps

around base and it maintains seat between base

arx:l sopq:x_.

E- Do not obstruct aWflow to unit. Unit must receive

an unobstructed flow of combustion and ventilate
_ng air.

3- Do not store chlorine Or fluorine products near unit

or introduce these products into the combustion
air. These products Pan cause furnace coffosion.

II-LIGHTING iNFORMATiON AND OPERATION

FOR YOUR SAFETY READ BEFORE LIGHTING
WARNING-If you do not follow these Instructions ax-

_tly, a fire or explosion may result causing proper-
ty damage, personal Injury or loss of life.

BEFOREUGHTING smellall arounOthe appliancearea
forgas, Be soreto smeltnextto thefloor because some

gas isheavier thanair and will settleon the floor.

Page 1 1¢19g0 Lermox Ir_llustrlel Inc,

Use.only your.hand to push in or turn the gas control

knob. Never use tools. If Ihe knob wit1not push in or turn
by hand, do not fly to repair I1,call a qualified service
tecrmicfan. Force or affempted repair may resuTtIn afke
or explosion,

This unit is equipped with an automatic "gasvalve using

a standing (constant) pilot flame or and intermittent
pilot (=E" and "X" series units). Standing pilot units

require manual lighting of pilot flame. Intermittent pilot

models have a pilot ignitor, Do NOT try to manually
light the pilot on an "E" or "X" series unit.

A-PlacMg Furnace In Operation
Stand_g Pltot Lighting Information

Refer to lightin_ instructions sticker on blower access
panel and figure 2 for gas valve identlflP._ticn.

1-S'I'OPI Read the pilot safety information in pre-

vious section,

2- Sol thermostat to lowest setting. See figure 3.
3- Turn off all electrical power to appliance.
4- Remove burner access panel.

5- Push in g6s vane knob s_ghtly and turn ck_ckw{se

_lb 1o OFf =. See figure 5,

NOTE-Knob cannot be turned from PILOT to OFF
unless knob fs de._'essed. Do not force.

6- Walt five (5) minutes to clear out any gas. If you

smell gas, STOP! Immediately call your gas s_llar
from • T0eighbor's phone. Follow tllegas suppl_or's
Instructions. If you do not smell gas go to next step.

7- Remove the pilot access panel located below and

behind the gas valve.

8-Locate pilot--follow metal tube from gas valve.

_ee figure 6. The I_tot is be_ee_ the two b_rnsr
tubes behind the pilot access panel.

9- Turn knob o_ gas valve countercJoc_vAse_l_ to

PILOT,

10- Push in knob on gas valve all the way.and ho_d in,

Immediately light pilot.with a match. Continue to
hold the gas valve knob in for about one minute

after the pilot is lit, ff it goes out, repeat steps 5
through 10.

if knob does not pop up when reJeased, stop and
immediately call your service technician or the
gas supplier,

If pilot will not stay lit after several tries, turn the
gas valve knob to OFF and call your service tech-

nioian or gas supplier.

WHITE RODGERS 36C GAS VALVE

ROBERTSHAW 7000 GAS VALVE

P.._ VALVE

OAS"#a,LVE

POSITION

HONEYWELL VRS00 GAS VALVE

HONEYWE II VBO0 GAS VALVE

GASVALVE

!otis SHOWN

tit OFF

POSITION

FIGURE 2

f I- Replace pilot access panel.
12-Turn gas valve knob counterclockwise to 41_

ON.

13- Replace bumeTacsess panel
14-Turn _ eHeleotdcaI pow_" tounit,

15- S_ B'mn'nostatto desk'edsetting.

Pope 2