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User’s Information Manual
NOTE TO INSTALLER
This manual should be left with the equipment owner.
FOR YOUR SAFETY
Do not store or use gasoline or other
flammable vapors and liquids in the vicinity
of this or any other appliance.
Improper installation, adjustment, alteration,
service or maintenance can cause injury or
property damage. Refer to this manual. For
assistance or additional information consult
a qualified installer, service agency, or the
gas supplier.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier,
call the fire department.
Before performing recommended maintenance, be sure
main power switch to unit is turned off. Electrical shock
could cause personal injury.
Your rooftop combination heating/cooling unit is equipped
with an automatic direct spark ignition and induced draft com-
bustion blower.
Do not attempt to light by hand; personal injury may
result.
TO LIGHT UNIT
1. Do not turn off the electrical power to unit without
first turning off the gas supply.
2. Before attempting to start the gas heating section, fa-
miliarize yourself with all the procedures that must
be followed.
If you do not follow these instructions exactly, a fire
or explosion may result. Property damage, injury, or loss
of life could occur.
See Fig. 1A and 1B for location of gas valve. Refer to
Fig. 2 while proceeding with the following steps.
Step 1 — Set room thermostat to the lowest temperature
setting and set SYSTEM switch to HEAT or AUTO.
position.
Step 2 — Close the manual gas valve.
Step 3 — Turn off the electrical supply to the unit.
Step 4 — Remove the burner access panel.
Step 5 — Move the control on the gas valve to the OFF
position and wait 5 minutes.
Step 6 — Move control on gas valve to ON position.
Step 7 — Replace the burner access panel.
Fig. 1A — Gas Valve Location (Sizes 004-007)
Fig. 1B — Gas Valve Location (Sizes 008-014)
BURNER
ACCESS
PANEL
FLUE VENT
INTAKE LOUVERS
GAS
VALVE
48TJD005-014
48TJE004-014
48TJF004-012
Single-Package Rooftop Heating/Cooling Units
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
Tab 1a 6a
PC 111 Catalog No. 564-991 Printed in U.S.A. Form 48TJ-3SO Pg 1 5-98 Replaces: 48TJ-2SO