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York DF078 Series User's, Maintenance And Service Information Manual

Single package air conditioner gas/electric
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CONTENTS
SAFETY INFORMATION . . . . . . . . . . . . . . . . 2
FOR YOUR SAFETY . . . . . . . . . . . . . . . . . . . . . 2
SYSTEM OPERATION. . . . . . . . . . . . . . . . . . 2
THERMOSTATS . . . . . . . . . . . . . . . . . . . . . . . . . 2
INTERMITTENT IGNITION DEVICE . . . . . . . . . . 2
INPUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . 3
TO SHUT DOWN THE FURNACE: . . . . . . . . . . . 3
TO LIGHT THE FURNACE: . . . . . . . . . . . . . . . . 3
VENT SAFETY SYSTEM: . . . . . . . . . . . . . . . . . . 3
100% SHUT OFF: . . . . . . . . . . . . . . . . . . . . . . . . 3
EXPLAIN UNIT FUNCTION . . . . . . . . . . . . . 4
GENERAL MAINTENANCE . . . . . . . . . . . . . 4
HEATING SYSTEM INSPECTION . . . . . . . . . . . 4
BURNER CHECK . . . . . . . . . . . . . . . . . . . . . . . 4
CLEANING BURNERS . . . . . . . . . . . . . . . . . . . . 4
HEATING ELEMENTS . . . . . . . . . . . . . . . . . . . . . 4
AIR FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
BLOWER ASSEMBLY . . . . . . . . . . . . . . . . . . . . 5
MOTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
CONDENSER COIL . . . . . . . . . . . . . . . . . . . . . . 6
REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
TROUBLESHOOTING . . . . . . . . . . . . . . . . . 6
TECHNICIAN: . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
REPLACEMENT PARTS . . . . . . . . . . . . . . . 7
USER'S, MAINTENANCE

SERVICE INFORMATION

MANUAL
S IN G LE PAC K AG E
AI R CO N DI TIO N ER
G A S/ ELE C TR IC
The manufacturer recommends that the "User" read all sections of this
manual and keep the manual for future reference.
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death, or
property damage.
- Do not store or use gasoline or other
flammable vapors and liquids in the vicin-
ity 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.
•
Leave the building immediately.
•
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.
and
®
035-19047-002-A-1103

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Summary of Contents for York DF078 Series

  • Page 1: Table Of Contents

    ® CONTENTS USER’S, MAINTENANCE SAFETY INFORMATION ....2 FOR YOUR SAFETY ..... 2 SYSTEM OPERATION.

  • Page 2: Safety Information

    035-19047-002-A-1103 SAFETY INFORMATION SYSTEM OPERATION FOR YOUR SAFETY THERMOSTATS • Make sure that the furnace area is clear and free of Set your thermostat for either heating or cooling then set it for the desired temperature. DO NOT ADJUST combustible materials, gasoline and other flamma- THE THERMOSTAT RAPIDLY ON AND OFF, OR ble vapors and liquids.

  • Page 3: Input

    035-19047-002-A-1103 INPUT C. Opening and closing the unit's main disconnect switch. The correct heat capacity of the furnace is regulated by the burner orifices and the gas pressure. The proper orifices are furnished but the gas pressure regulator M a i n G a s must be adjusted by the installer or gas utility service S h u t - o f f V a l v e technician.

  • Page 4: Explain Unit Function

    035-19047-002-A-1103 EXPLAIN UNIT FUNCTION When the system is functioning properly, show the owner the location of all disconnect switches and the thermostat. Explain how to start and stop the unit and H E A T E X C H A N G E R T U B E how to adjust temperature settings within the limitations of the system.

  • Page 5: Air Filters

    035-19047-002-A-1103 AIR FILTERS Filters must be installed with “Air Flow” arrows NOTE: pointing inward -- toward the indoor coil. In the All units contain four (4) 20” x 25” x 2" filters. The filter event the spacers in the filter section are racks on these units will receive either 1"...

  • Page 6: Motors

    035-19047-002-A-1103 CONDENSER COIL An annual check and cleaning, if necessary, of the out- door coil should be done. Cleaning should be as often as necessary to keep the coil clean. Clean any debris Perform all maintenance operations on the blower and dirt from the outside coil face with a brush being motor with electric power disconnected from the unit.

  • Page 7: Replacement Parts

    035-19047-002-A-1103 REPLACEMENT PARTS SINGLE PACKAGE AIR CONDITIONER GAS ELECTRIC ( 6.5 TON) SINGLE PACKAGE AIR CONDITIONER GAS ELECTRIC (7.5 TON) REPLACEMENT PARTS FORM No. RESPECTIVE MODEL No. REPLACEMENT PARTS FORM No. RESPECTIVE MODEL No. 035-19092-000 DF078*** 035-19092-000 DF090*** 035-17288-000 DH078*** 035-17288-000 DH090*** 035-17288-000...
  • Page 8 Subject to change without notice. Printed in U.S.A. 035-19047-002-A-1103 Copyright © by Unitary Products Group 2003. All rights reserved. Supersedes: 035-19047-001-B-1102 Unitary 5005 Norman Products York Group Drive 73069...

This manual is also suitable for:

Dm078 seriesDf090 seriesDh078 seriesDr090 seriesDm090 seriesDh090 series ... Show all

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