York Thermostat User Manual

USER’S, MAINTENANCE and
SERVICE INFORMATION
MANUAL
SINGLE PACKAGE
AIR CONDITIONER
GAS/ELECTRIC
035-19699-001-B-0804
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 AND PILOT CHECK. . . . . . . . . . . . . . . .4
CLEANING BURNERS. . . . . . . . . . . . . . . . . . . . . .5
CLEANING FLUE PASSAGES AND
HEATING ELEMENTS . . . . . . . . . . . . . . . . . . . . . .5
AIR FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
ECONOMIZER . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
BLOWER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . .6
BLOWER SHAFT BEARING . . . . . . . . . . . . . . . . .6
MOTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
CONDENSER COIL . . . . . . . . . . . . . . . . . . . . . . . .7
REGISTERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . 7
BEFORE CALLING A SERVICE PERSON . . . . . .7
REPLACEMENT PARTS . . . . . . . . . . . . . . . . 8
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
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.
• 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.
®

York Thermostat Specifications

General

Backlight	Yes
Hold Function	Yes
Filter Change Alert	Yes
Display	LCD
Power Source	Battery or Hardwired
Programmable	Yes
System Switch	Heat, Cool, Auto, Off
Fan Control	On, Auto

Summary

Safety Information

For Your Safety

Essential safety guidelines to prevent hazards and ensure proper use of the furnace.

System Operation

Thermostats

Instructions on setting and using the thermostat for optimal heating or cooling control.

Intermittent Ignition Device

Explanation of the pilot light and automatic ignition system operation.

Input

Information on regulating furnace heat capacity via orifices and gas pressure.

Operating Instructions

Steps for safely shutting down and lighting the furnace.

To Shut Down the Furnace:

Procedure for safely turning off the furnace system.

To Light the Furnace:

Procedure for safely starting the furnace's ignition sequence.

Vent Safety System

Description of the safety mechanism that shuts off gas flow during flame rollout.

100% Shut Off:

Details on the safety feature that prevents gas flow on ignition failure.

Explain Unit Function

General Maintenance

Heating System Inspection

Recommendation for annual professional inspection of heating components.

Burner and Pilot Check

Procedure for periodic visual inspection of pilot and main burner flames.

Cleaning Burners

Instructions for cleaning the furnace burners using a wire brush and vacuum.

Cleaning Flue Passages and Heating Elements

Steps for cleaning soot build-up in heat exchanger tubes and passages.

Air Filters

Guidance on inspecting, cleaning, and replacing air filters for optimal performance.

Blower Assembly

Instructions for inspecting and cleaning the blower motor and wheel.

Blower Shaft Bearing

Recommendations for inspecting and lubricating blower shaft bearings.

Economizer

Procedure for cleaning and lubricating the economizer assembly gears.

Motors

Information on maintenance for outdoor fan motors and indoor blower motors.

Condenser Coil

Guidance on annual cleaning of the outdoor condenser coil.

Registers

Requirement for supply and return air registers to remain open during operation.

Troubleshooting

Before Calling a Service Person:

Basic checks to perform before contacting a service technician for issues.

Replacement Parts