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COZY W505G - User Manual

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1018039-BPage 1
PILOT PRO MANUAL
Installation and Operating Instructions
NATURAL GAS - W255G, W355G, W505G, W255G-3, W355G-3, W505G-3,
W255G-5, W355G-5, W505G-5, W255G-7, W355G-7, W505G-7
— Donotstoreorusegasolineorotherammable
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neighbors
phone.Followthegassuppliersinstructions.
•Ifyoucannotreachyourgassupplier,callthere
department.
— Installationandservicemustbeperformedbya
qualiedinstaller,serviceagencyorthegassupplier.
!
WARNING:Iftheinformationintheseinstructionsis
notfollowedexactly,areorexplosionmayresultcausing
propertydamage,personalinjuryorlossoflife.
Cozy Heating Systems, LLC | cozyheaters.com | 855-589-5380 | 3230 Industrial Pkwy | Jeffersonville, IN 47130
WARNING: Operation of any furnace without the properly installed, factory furnished vent system & vent cap could result in
Carbon Monoxide (C.O.) poisoning and possible death. For your safety, this furnace & the vent system should be inspected at least
annually by a qualified service technician.
THE CONTENTS ON THIS MANUAL ARE IN STRICT ACCORDANCE WITH
ANSI STANDARD Z21.71 AND SHOULD BE FOLLOWED BY A PROFESSIONAL INSTALLER ONLY.
INSTALLER:Leavethismanualwiththeappliance.
CONSUMER:Retainthismanualforfuturereference.

Questions and Answers

  • M
    Mary CameronAug 18, 2025
    How to fix delayed ignition on a COZY Gas Heater?
    • J
      Joe HowardAug 18, 2025
      If your COZY Gas Heater experiences delayed ignition, it could be due to a defective pilot assembly. Inspect the pilot assembly for loose or broken components or wires, and replace them if necessary. Another possible cause is a low battery. Try replacing the batteries to resolve the issue.
  • D
    Dr. Karen BrownAug 28, 2025
    Why won't my COZY Gas Heater burner turn off?
    • L
      Lauren BoydAug 28, 2025
      If your COZY Gas Heater burner won’t turn off, it is likely due to a defective control module. The suggested solution is to replace the control module.
  • D
    dsimsNov 7, 2025
    What to do if my COZY Gas Heater fails to ignite?
    • J
      Jaime WattsNov 7, 2025
      If your COZY Gas Heater fails to ignite, several factors could be at play. It might be due to a defective pilot assembly; in this case, you should inspect the pilot assembly for loose or broken components or wires and replace them as needed. A low battery can also cause this issue, so try replacing the batteries. If you're using an optional "AC" adapter, ensure it's properly connected to both the wall outlet and the control module, and replace it if it's defective. Another potential cause is a defective control module, which would also need replacement. Additionally, check if the manual reset blocked flue switch has tripped and reset it. In some cases, the tubing may not have enough gas to light the pilot, so refilling the line with gas might be necessary, noting that initial startup may t...

Summary

Installation

Installation Steps

Detailed, step-by-step guide for physically installing the Pilot Pro unit.

Wiring; Electrical

Instructions for connecting the Pilot Pro system electrically to the appliance.

Starting Pilot Pro

Procedure for initial startup and testing of the Pilot Pro system.

Pilot Pro Electrical Connection

General Warning

Important caution regarding the electrical connection installation process.

Thermostat and Safety Switch Wiring

Detailed instructions for connecting the thermostat and safety switch wires.

Starting Pilot Pro System

Carbon Monoxide Hazard and Venting Checks

Critical safety checks for carbon monoxide and proper venting during operation.

Lighting and Operating Instructions

Safety Before Lighting

Crucial safety warnings and procedures before attempting to light the appliance.

Troubleshooting Main Burner Issues

COZY W505G Specifications

General IconGeneral
BrandCOZY
ModelW505G
CategoryWall Furnaces
LanguageEnglish

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