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Archgard Optima - User Manual

Archgard Optima
42 pages
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200-0217
December 2006
Serial # 6040 forward
7116 Beatty Dr
Mission, BC V2V 6B4
Canada
Installer: Please leave this manual with the appliance owner for future reference
Optima/ag3600
Optima/ag3600
Direct Vented
Top or Rear Vent
Gas Room Heater
For use with natural gas or propane*
This appliance may be installed in an
aftermarket permanently located,
manufactured home (USA only) or mobile
home, where not prohibited by local codes.
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, unless a certified kit is used.
*Conversion kit required for Propane use
WARNING: If the information in this manual is
not followed exactly, 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.
USERS’ INSTALLATION
OPERATION AND
MAINTENANCE MANUAL

Table of Contents

Questions and Answers

  • K
    Karen BellAug 1, 2025
    What to do if the pilot light won't stay on in my Archgard Gas Heater?
    • N
      nashdeniseAug 1, 2025
      If the pilot light on your Archgard Gas Heater won't stay lit after ignition, several factors could be responsible. Make sure the control knob is fully pressed in and held for a sufficient amount of time. If you've recently shut off the pilot, wait 5 minutes before attempting to relight it to allow the valve to reset. Check that the pilot flame is large enough to reach and surround the thermocouple. An obstruction from debris or an incorrectly sized pilot orifice could also be the issue. Inspect the thermocouple connection to the valve for any looseness. The thermocouple itself may be defective if it generates less than 30 mV. Lastly, a defective gas valve could be the cause.
  • A
    Anthony PerezAug 5, 2025
    Why won't the main burner turn on in my Archgard Gas Heater when the pilot is lit?
    • N
      Nathan BennettAug 5, 2025
      If the main burner on your Archgard Gas Heater doesn't ignite even with the pilot light lit, start by ensuring the control knob is turned to the 'ON' position. Allow sufficient time for the pilot to heat the thermopile, generating enough voltage to activate the valve. Verify that the thermostat is set high enough and that any remote switch or thermostat is also turned on. A weak pilot flame could be the culprit, so check its strength. Inspect all electrical connections to the valve for secure contact. The thermopile may be defective if it reads lower than 400-500 mV with the burner off or 200-250 mV with the burner on. Finally, a defective gas valve could be the reason.
  • J
    Jonathon McmillanAug 10, 2025
    Why does the main burner shut off when my Archgard Gas Heater gets warm?
    • C
      Carl WeberAug 10, 2025
      If your Archgard Gas Heater's main burner shuts off once the appliance warms up, it could be due to several reasons. This might be normal operation if a wall thermostat is installed. However, check the pilot flames on the thermopile to ensure they are good. Also, verify the voltage from the thermopile is adequate. Inspect the venting system for proper function. Finally, check the wire connections for any looseness, as heat expansion could affect them.
  • A
    alexander34Aug 15, 2025
    What to do if the convection blower on my Archgard Gas Heater doesn't turn on?
    • D
      Donald StricklandAug 15, 2025
      If the convection blower on your Archgard Gas Heater isn't turning on, several factors could be at play. The fan is thermostatically controlled and may take up to 15 minutes to warm up on high. Ensure the appliance is receiving 120VAC electrical supply. Check that the thermal snap disc is properly mounted and that all electrical connections are secure. The thermal snap disc, convection blower speed controller, or the convection blower itself may be defective.
  • A
    Anthony HarveyAug 20, 2025
    Why are the flames on my Archgard Gas Heater sharp blue and lifting off the burner?
    • J
      Jonathan WeissAug 21, 2025
      If your Archgard Gas Heater displays sharp blue flames that lift off the burner ends, it indicates too much primary air. Reduce the primary air by closing the primary air shutter.
  • A
    adrianfieldsOct 26, 2025
    Why won't the pilot light on my Archgard Gas Heater after multiple tries?
    • A
      Amy WilliamsOct 26, 2025
      If the pilot light won't ignite on your Archgard Gas Heater after multiple attempts, it could be due to several reasons. First, air might be trapped in the gas line; try removing the glass door and repeatedly attempt to light the pilot to purge the air. Ensure that the gas supply is turned on and provides adequate pressure. Check for sparks between the spark electrode and the pilot head when pressing the sparker. Inspect for any breaks or poor connections from the sparker to the electrode, and check for sparks shorting or arcing elsewhere. The sparker or electrode themselves could be defective. Also, ensure no air is blowing on the match flame; hold the control knob at the ‘PILOT’ setting until the air is purged. Finally, the pilot orifice might be blocked, or the gas valve may be defectiv...

Summary

General Safety Warnings

Gas Leak Procedure

Steps to follow if you smell gas.

Installation Code Compliance

Massachusetts CO Detector Rules

Caution and Safety Information

Installation Clearance Requirements

Mantle and Sidewall Clearances

Required distances from mantles and sidewalls.

Electrical Connections and Fan System

Installation Procedures

Installation Precautions

Essential safety and installation considerations.

Fireplace Location Guidelines

Vent Termination Location Rules

Gas Connections and Pressure Checks

Gas Supply Connection

Procedures for connecting the gas supply line.

Inlet & Outlet Gas Pressure Verification

How to verify gas supply and outlet pressures.

Pilot and Air Shutter Adjustments

Pilot Flame Adjustment

Top or Rear Vent Conversion Procedure

Allowable Vent Termination Locations

Venting System Guidelines

Approved Vent Components List

Approved venting system parts for the appliance.

Venting Connection Best Practices

General guidelines for safe and effective venting connections.

Venting Instructions: Rear Vent

Venting Instructions: Top Vent

Operation Instructions

Safety Checks Before Lighting

Crucial safety checks before initial operation.

Appliance Start-up and Shut-down Procedures

Start-up Procedure

Maintenance and Cleaning Schedule

Regular Appliance Cleaning

Troubleshooting Common Issues

Pilot Light Problems

Solutions for pilot light not lighting or staying lit.

Main Burner Ignition Failure

Steps for when the main burner fails to ignite with pilot lit.

Troubleshooting Advanced Issues

Main Burner Auto Shut-off

Servicing Procedures

Servicing Under Warranty

Primary Air Adjustment

Main Burner Orifice Replacement

Gas Pressure Checking

Component Replacement and Fuel Conversion

Major Gas Component Replacement

Archgard Limited Warranty Details

Warranty Inclusions and Coverage

Details of covered parts and labor for warranty periods.

Warranty Exclusions and Limitations

Items and conditions not covered by the warranty.

Problem Resolution and Service Access

Steps for issues and how to obtain service.

Warranty Terms and Conditions

Legal limitations and conditions of the warranty.

Archgard Optima Specifications

General IconGeneral
Ignition SystemElectronic Ignition
VentingDirect Vent
Fuel TypeNatural Gas or Propane
ThermostatBuilt-in Thermostat (some models may have remote control options)
DimensionsVaries by model
WeightVaries by model

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