Comfort Glow 18 - User Manual

Heater Sizes: 18,000 Btu/Hr Thermostat, and
28,000 Btu/Hr Thermostat “B” Model Heaters
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BLUE FLAME VENT-FREE NATURAL GAS HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
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 qualified installer, service
agency, or the gas supplier.
This appliance may be installed in an aftermarket* manufactured (mobile) home,
where not prohibited by state or local codes.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
This appliance is only for use with the type of gas indicated on the rating plate.
This appliance is not convertible for use with other gases.
®

Summary

Safety Information

Product Identification

Local Codes

Unpacking

Product Features

Fresh Air For Combustion And Ventilation

Providing Adequate Ventilation

Explains how to ensure sufficient air for appliances.

Unusually Tight Construction

Defines construction types affecting ventilation needs.

Unconfined Space

Defines space classification based on air volume for appliances.

Confined Space

Defines space classification based on air volume for appliances.

Determining Fresh-Air Flow For Heater Location

Worksheet to determine if space is confined or unconfined.

Ventilation Air From Inside Building

Describes methods for ventilating from an adjoining unconfined space.

Ventilation Air From Outdoors

Describes methods for providing fresh air directly from outdoors.

Installing To Wall

Check Gas Type

Verifies the appliance is for natural gas only.

Locating Heater

Guidance on where to place the heater for safe installation.

Locating Thermostat Sensing Bulb

Instructions for correctly positioning the thermostat sensing bulb.

Attaching Thermostat Sensing Bulb

Steps to attach the thermostat sensing bulb to the heater.

Removing Front Panel Of Heater

Steps to safely remove the front panel of the heater.

Methods For Attaching Mounting Bracket To Wall

Details two methods for attaching the mounting bracket to a wall.

Attaching Mounting Bracket To Wall

Steps for securely attaching the mounting bracket to the wall.

Placing Heater On Mounting Bracket

Steps for hanging the heater onto the installed mounting bracket.

Installing Bottom Mounting Screws

Instructions for securing the heater using bottom mounting screws.

Connecting To Gas Supply

Checking Gas Connections

Pressure Testing Gas Supply Piping System

Detailed steps for pressure testing the gas supply piping system.

Pressure Testing Heater Gas Connections

Procedures for testing gas connections to the heater itself.

Operating Heater

What To Do If You Smell Gas

Immediate actions to take if a gas leak is detected.

Lighting Instructions

Step-by-step instructions for lighting the heater's pilot and main burner.

To Turn Off Gas To Appliance

How to safely turn off the heater and its gas supply.

Thermostat Control Operation

Explains how the thermostat controls the burner flame height and cycles.

Manual Lighting Procedure

Steps for lighting the pilot using a match if the ignitor fails.

Inspecting Burner

Pilot Flame Pattern

How to check the pilot flame for correct pattern and thermocouple contact.

Burner Flame Pattern

How to check the main burner flame for correct pattern and color.

Cleaning And Maintenance

Ods;Pilot And Burner

How to clean the ODS/pilot and burner components.

Cabinet

Instructions for cleaning the cabinet and its air passageways.

Troubleshooting

Technical Service

Specifications

Service Hints

Service Publications

Replacement Parts

Parts Under Warranty

Procedures for obtaining warranty replacement parts.

Parts Not Under Warranty

Procedures for obtaining non-warranty replacement parts.

Parts Centrals

Parts List

Accessories

Warranty Information

Limited Warranty

Details the limited warranty terms for the Comfort Glow heater.

Comfort Glow 18 Specifications

General

Fuel Type	Natural Gas or Propane
BTU	18, 000 BTU
Ignition Type	Electronic Ignition
Heat Output	18, 000 BTU
Heating Area	600 sq ft