2017 Flying Cloud Furnace Manual

The 2017 Flying Cloud Furnace is a high-efficiency residential heating system with advanced combustion technology, electronic ignition, variable-speed blower motor, smart thermostat compatibility, multiple heat stages, built-in diagnostics, safety shutoff features, and energy-saving modes. Designed for natural gas or propane operation with AFUE ratings up to 98%. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation Requirements 3. First-Time Setup 4. Technical Specifications 5. Controls and Settings 6. Connecting to HVAC System 7. Operating Procedures 8. Maintenance Schedule 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Stainless steel heat exchanger, variable-speed ECM blower, electronic control board, gas valve, pressure switches, flame sensor, igniter, and diagnostic LED.

Feature	Description
Heat Exchanger	Stainless steel primary and secondary heat exchangers
Blower Motor	Variable-speed ECM for quiet operation and efficiency
Ignition System	Hot surface igniter with flame sensor
Gas Valve	Modulating gas valve for precise temperature control
Control Board	Microprocessor-based with diagnostic capabilities
Pressure Switches	Safety switches for combustion air and venting
Thermostat Connection	Compatible with most 24VAC thermostats
Filter Monitoring	Built-in filter change reminder
Safety Shutoff	Multiple safety systems including high-limit switches
Diagnostic LED	Flashing codes for troubleshooting

Installation Requirements

Unpack and inspect all components. Ensure proper clearances and ventilation.

Location: Install in well-ventilated area with proper clearances (24" front, 6" sides, 1" rear).
Gas Connection: Use approved gas piping; pressure test for leaks.
Electrical: Connect to 120V AC power with proper grounding.
Venting: Install approved PVC venting per local codes.
Drain Lines: Connect condensate drain to proper disposal.

WARNING! Installation must be performed by qualified HVAC technician. Gas leaks can cause explosion or fire.

First-Time Setup

Power on furnace; follow startup sequence.

System Check: Verify all connections are secure and proper.
Gas Pressure: Adjust gas valve to manufacturer specifications.
Blower Speed: Set appropriate CFM for heating application.
Thermostat Configuration: Program thermostat for desired settings.
Test Operation: Run through complete heating cycle.

CAUTION! Ensure proper ventilation and combustion air supply before operation.

Technical Specifications

Heating Capacity: 40,000 - 120,000 BTU/hr (multiple models)
AFUE Rating: Up to 98% efficiency
Fuel Type: Natural gas or propane
Electrical: 120V AC, 60Hz, 5-10 amps
Blower Motor: Variable-speed ECM, 1/3 to 1/2 HP
Heat Stages: Single or two-stage operation
Venting: 2" PVC pipe required
Operating Temp Range: -30°F to 120°F ambient
Warranty: 20-year heat exchanger, 5-year parts

Controls and Settings

Access control board via front panel. LED display shows status codes and settings.

Control Board: POWER switch, RESET button, DIAGNOSTIC LED, DIP switches for configuration.

Temperature Control: Set via compatible thermostat. Blower Settings: Adjust CFM for heating mode. Gas Pressure: Factory set, adjustable by technician. Safety Settings: High-limit switch, pressure switch, flame rollout switch. Diagnostic Codes: LED flashes indicate specific error conditions.

Connecting to HVAC System

Thermostat: Standard 24VAC connection. Ductwork: Connect to existing or new duct system.

Turn off power to furnace before making connections.
Connect thermostat wires to control board terminals.
Connect ductwork ensuring proper sealing.
Connect humidifier or other accessories if applicable.

Tip: Use wire nuts for secure electrical connections and foil tape for duct sealing.

Operating Procedures

Normal operation controlled by thermostat.

Startup: Set thermostat above room temperature to initiate heating cycle.
Ignition Sequence: Control board performs safety checks, ignites burners.
Heating Cycle: Burners heat heat exchanger, blower circulates warm air.
Shutdown: Thermostat satisfied, burners shut off, blower continues for cool-down.
Standby: System waits for next heating demand.

WARNING! Do not attempt to manually override safety controls. Contact professional service if issues occur.

Maintenance Schedule

Annual professional maintenance recommended. Regular homeowner maintenance required.

Maintenance Task	Frequency	Description
Filter Replacement	1-3 months	Replace disposable filter or clean permanent filter
Visual Inspection	Monthly	Check for unusual noises, smells, or performance issues
Professional Service	Annually	Complete system inspection and cleaning by technician
Vent Inspection	Annually	Check vent pipes for obstructions or damage
Drain System	Seasonally	Clear condensate drain lines and trap

Care & Cleaning

Turn off power before cleaning. Use soft brush and vacuum for dust removal.

CAUTION! Do not use water or cleaning chemicals on electrical components. Keep area around furnace clear of combustible materials.

Regulatory Information

UL certified for safety standards. ANSI Z21.47 compliant for gas appliances. Meets DOE energy efficiency requirements. CSA certified for Canadian standards. For support, visit www.flyingcloudfurnace.com or contact 1-800-555-HEAT. Copyright © 2017 Flying Cloud Heating Systems.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Furnace won't start	Power/thermostat	Check circuit breaker; verify thermostat settings; replace batteries.
No heat	Gas supply/ignition	Check gas valve; verify pilot/igniter operation; check filter.
Short cycling	Dirty filter/overheat	Replace air filter; check for blocked vents; verify proper airflow.
Unusual noises	Mechanical issues	Check blower wheel; inspect motor bearings; tighten components.
Error codes flashing	System faults	Refer to diagnostic code chart in manual; reset if applicable.

Reset: Power cycle or use reset button on control board.

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