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CONTENTS
HOW YOUR GAS FURNACE WORKS . . . . 2
KEEP THE FURNACE AREA CLEAR . . . . . 2
START-UP AND SHUTDOWN GENERAL
INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . 2
FOR YOUR SAFETY, READ BEFORE
OPERATING: . . . . . . . . . . . . . . . . . . . . . . . . 2
WHAT TO DO IF YOU SMELL GAS: . . . . . . 2
LIGHTING INSTRUCTIONS . . . . . . . . . . . . . 2
SHUTDOWN INSTRUCTIONS . . . . . . . . . . . 3
YOUR FURNACE'S FILTER -
WHAT IT DOES . . . . . . . . . . . . . . . . . . . . . . 3
FREQUENCY OF CHECKING FILTERS . . . 3
LOCATING / REMOVING FILTERS . . . . . . . 3
HOW TO CLEAN YOUR
FURNACE'S FILTER . . . . . . . . . . . . . . . . . . 4
MOTOR LUBRICATION . . . . . . . . . . . . . . . . 4
INSTALLATION & MAINTENANCE
INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . 4
M ID - EF F IC IEN CY
GA S- FI RE D FU RN A CES
UPFLOW/HORIZONTAL MODELS: P*HU / G8T-UH / L8T-UH / FL8-UH
DOWNFLOW MODELS: P*DN / G8T-DN / L8T-DN
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 flammable 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 supplier's instructions.
• If you cannot reach your gas supplier, call the fire
department.
- Installation and service must be performed by a quali-
fied installer, service agency or the gas supplier.
OWNER'S MANUAL
035-14371-000 REV D (900)
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Summary of Contents for Unitary products group G8T-UH
- Page 1 OWNER’S MANUAL M ID - EF F IC IEN CY GA S- FI RE D FU RN A CES UPFLOW/HORIZONTAL MODELS: P*HU / G8T-UH / L8T-UH / FL8-UH DOWNFLOW MODELS: P*DN / G8T-DN / L8T-DN CONTENTS HOW YOUR GAS FURNACE WORKS ..2 KEEP THE FURNACE AREA CLEAR .
- Page 2 . . .store cleaning materials near BEFORE OPERATING, smell all 8. Turn gas control switch to "ON". Do your furnace. Materials such as bleaches, around the appliance area for gas. Be not force. sure to smell next to the floor because Unitary Products Group...
- Page 3 If this happens, the heat exchang- ers and blower motor could overheat; a Unitary Products Group...
- Page 4 Subject to change without notice. Printed in U.S.A. 035-14371-000 REV D (900) Copyright © by Unitary Products Group 2000. All rights reserved. Supersedes: 035-14371-000 REV C (500) Unitary 5005...