Carrier 48TFE008-014 Specifications download pdf

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

PC 111 Catalog No. 534-80104 Printed in U.S.A. Form 48T-1SO Pg 1 502 3-02 Replaces: 48TF-2SO

Book 1 4

Ta b 1 a 6 a

User’s Information Manual

NOTE TO INSTALLER

This manual should be left with the equipment owner.

Your rooftop combination heating/cooling unit is equipped

with an automatic direct spark ignition and induced draft com-

bustion blower.

TO LIGHT UNIT

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 and

install lockout tag.

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.

Step 8 —

Turn on the electrical supply to unit.

Step 9 —

Open the manual gas valve.

Step 10 —

Set room thermostat selector slightly above

room temperature to start unit. The induced-draft combustion

air fan will start. Main gas valve will open and main burners

should ignite within 5 seconds. If the burners do not light, there

is a 22-second delay before another 5-second try. If the burner

still does not light, the time delay is repeated. If the burner does

not light within 15 minutes, there is a lockout. If burners still do

not light, call for service.

Step 11 —

Set the temperature selector on room thermostat

to desired setting.

WARNING: If the information in this manual is

not followed exactly, a fire or explosion may

result causing property damage, personal

injury or loss of life.

— Do not store or use gasoline or other flam-

mable vapors and liquids in the vicinity of

this or any other appliance.

— 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 sup-

plier’s instructions.

• If you cannot reach your gas supplier,

call the fire department.

— Installation and service must be per-

formed by a qualified installer, service

agency or the gas supplier.

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.

Before performing recommended maintenance, be sure

main power switch to unit is turned off and lockout tag is

installed. Electrical shock could cause personal injury.

Do not attempt to light by hand; personal injury may result.

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.

3. Never attempt to manually light the main burners on

unit with a match, lighter, or any other flame. If the

electric sparking device fails to light the main burners,

refer to the following shutdown procedures, then call

your dealer as soon as possible.

If you do not follow these instructions exactly, a fire or

explosion may result. Property damage, injury, or loss of

life could occur.

If the main burners fail to light, or the blower fails to come

on, shut down gas heating section and call your dealer for

service. Failure to follow these requirements could result in

serious personal injury.

48TF004-014

48TM004-014

Single-Package Rooftop Heating/

Cooling Units

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - User’s Information Manual

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

Page 2 - GAS VALVE

2TO SHUT UNIT OFFRefer to Fig. 3 while proceeding with the following steps.Step 1 — Set room thermostat to lowest temperature settingand set SYSTEM sw

Page 3 - Fig. 2 — To Light Unit

3LOCK-OUTTAGONOFFMAINSTEP 1STEP 2STEP 3STEP 4STEP 5ONE STAGE48TFD,TMD005-00948TFE,TME004-00748TFF,TMF004-006 (single phase)48TFG,TMG005,00648TFH,TMH00

Page 4 - Fig. 3 — To Shut Unit Off

4STEP 1STEP 2STEP 3STEP 448TFD005-00948TFE004-00748TFL005,00648TFM004-00648TFF004-01248TFD012,01448TFE008,01448TFN004-006STEP 548TFD005-00948TFE004-00

Page 5 - Sizes 008-014

5Air Filter(s) — Air filter(s) should be checked at least ev-ery 3 or 4 weeks and changed or cleaned when necessary.Table 1 indicates the correct filt

Page 6 - INDUCED-DRAFT

6Combustion Area and Vent System — The com-bustion area and vent system should be visually inspectedbefore each heating season. The normal accumulatio

Page 7 - EASILY SOLVED

7BEFORE YOU CALL FOR SERVICE, CHECK FOR PROBLEMS THAT CAN BEEASILY SOLVEDIf insufficient heating or cooling is suspected:( ) Check for sufficient ai

Page 8 - CARRIER CORPORATION

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

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Carrier 48TFE008-014 Specifications

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