Hydro Flame Furnace 8535-11 Manual Lighting

The Hydro Flame Furnace 8535-11 is a high-efficiency propane furnace designed for RV and mobile applications, featuring manual lighting capability, adjustable heat output, safety shut-off systems, and durable construction. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation Requirements 3. Manual Lighting Procedure 4. Specifications 5. Controls and Settings 6. Ventilation Requirements 7. Maintenance Schedule 8. Safety Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Manual ignition system, adjustable thermostat, safety shut-off valve, combustion chamber, air intake, exhaust outlet.

FeatureDescription
Manual ignitionPilot light with manual lighting capability
Adjustable thermostatTemperature control from 45°F to 85°F
Safety shut-off valveAutomatic gas shut-off if pilot fails
Combustion chamberStainless steel construction
Air intakeFor proper combustion air supply
Exhaust outletVents combustion gases safely
Gas control knobPilot/On/Off settings
ThermocoupleSafety device monitoring pilot flame
Burner assemblyMain heat distribution component
Mounting bracketsFor secure installation

Installation Requirements

Ensure proper location and ventilation before installation.

  1. Location: Install in well-ventilated area away from combustible materials.
  2. Gas connection: Use approved propane gas line with proper fittings.
  3. Venting: Ensure exhaust outlet is clear and properly directed outside.
  4. Electrical: Connect to 12V DC power source for blower operation.

WARNING! Installation must be performed by qualified technician. Ensure all local codes are followed.

Manual Lighting Procedure

Follow these steps carefully for safe manual lighting.

  1. Turn gas control knob to OFF position and wait 5 minutes.
  2. Turn knob to PILOT position and depress for 30 seconds.
  3. While depressing knob, light pilot with long match or lighter.
  4. Continue holding knob for 60 seconds after pilot ignites.
  5. Release knob - pilot should remain lit.
  6. Turn knob to ON position for main burner operation.

CAUTION! If pilot won't stay lit after several attempts, wait 5 minutes and repeat procedure.

Specifications

Controls and Settings

Gas control knob: OFF/PILOT/ON positions. Thermostat: Adjustable temperature control.

Operation: Set thermostat to desired temperature, ensure pilot is lit, furnace will cycle automatically.

Safety systems: Thermocouple monitors pilot flame, automatic shut-off if flame is lost. High-limit switch prevents overheating. Pressure regulator maintains proper gas flow.

Ventilation Requirements

Proper ventilation is critical for safe operation.

  1. Ensure air intake and exhaust are unobstructed.
  2. Maintain 12" clearance from combustible materials.
  3. Verify vent pipe is properly sealed and directed outside.
  4. Check for adequate combustion air supply.

Tip: Regularly inspect vent system for blockages or damage.

Maintenance Schedule

Regular maintenance ensures optimal performance and safety.

  1. Monthly: Clean burner and pilot assembly.
  2. Seasonally: Inspect and clean vent system.
  3. Annually: Check gas connections for leaks.
  4. As needed: Replace thermocouple if pilot won't stay lit.
  5. Every 2 years: Professional inspection recommended.

WARNING! Always turn off gas supply before performing maintenance.

Safety Features

Multiple safety systems protect against hazards. Thermocouple: Shuts off gas if pilot flame is extinguished. High-limit switch: Prevents overheating. Pressure regulator: Maintains consistent gas pressure. Manual reset: Required after safety shut-off.

Care & Cleaning

Turn off gas and power before cleaning. Use soft brush for burner cleaning. Compressed air for dust removal.

CAUTION! Never use water or liquid cleaners on electrical components or burner assembly.

Regulatory Information

UL listed for RV use. Complies with ANSI Z21.44 standards. CSA certified for Canada. Manufactured to meet industry safety standards. For technical support, contact Hydro Flame customer service at 1-800-555-HEAT or visit www.hydroflame.com.

Troubleshooting

SymptomPossible CauseCorrective Action
Pilot won't lightNo gas supply/air in lineCheck gas valve; purge air from line; ensure knob fully depressed.
Pilot won't stay litDirty pilot/thermocoupleClean pilot assembly; check thermocouple connection; replace if needed.
No heat outputThermostat setting/blockageAdjust thermostat; check for vent blockages; verify gas supply.
Burner cycles frequentlyHigh-limit switch/airflowCheck air intake/exhaust; clean filter; verify proper ventilation.
Gas odorLeak/dirty burnerImmediately shut off gas; check connections; clean burner assembly.

Reset: Turn gas control to OFF, wait 5 minutes, relight following manual procedure.

Service: 1-800-555-HEAT; www.hydroflame.com

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