Hydro Flame Furnace 7916 Manual

The Hydro Flame Furnace 7916 is a high-efficiency heating system designed for residential and light commercial applications. This furnace features advanced combustion technology, digital temperature control, multiple heat settings, energy-saving modes, safety shut-off systems, and easy maintenance access. Operating on natural gas or propane, it provides reliable heating with 79,000 BTU output and 96% AFUE efficiency. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation Requirements 3. Initial Setup 4. Technical Specifications 5. Controls and Operation 6. Venting and Ductwork 7. Maintenance Procedures 8. Safety Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Stainless steel heat exchanger, electronic ignition system, multi-speed blower motor, digital thermostat, safety pressure switch, flame sensor, and diagnostic LED indicator.

Feature	Description
Heat Exchanger	Stainless steel construction for durability and efficiency
Ignition System	Electronic hot surface ignition
Blower Motor	Multi-speed ECM for variable airflow
Thermostat	Digital programmable with LCD display
Pressure Switch	Safety device monitoring vent pressure
Flame Sensor	Monitors burner flame status
Diagnostic LED	Flashing codes for error identification
Gas Valve	Modulating for precise temperature control
Air Filter	Standard 20x25x1 inch filter slot
Vent Connections	PVC compatible for sidewall or roof venting

Installation Requirements

Professional installation recommended. Ensure proper clearances and ventilation.

Location: Install in well-ventilated area with minimum clearances (6" sides, 12" front, 24" top).
Gas Connection: Use approved gas line with shut-off valve; pressure test required.
Electrical: 120V AC dedicated circuit; proper grounding essential.
Venting: PVC pipe system following local codes; maintain proper slope.
Ductwork: Size appropriately for CFM requirements; seal all connections.

WARNING! Gas appliances require professional installation. Improper installation can cause fire, explosion, or carbon monoxide poisoning.

Initial Setup

Complete installation verification before first use.

Gas pressure check: Verify inlet and manifold pressures per specifications.
Vent verification: Confirm proper draft and no obstructions.
Electrical check: Ensure proper voltage and grounding.
Startup sequence: Follow manufacturer's startup procedure.
Temperature calibration: Set thermostat to desired settings.

CAUTION! Never bypass safety devices. Test carbon monoxide detectors before operation.

Technical Specifications

Model: Hydro Flame 7916
Heating Capacity: 79,000 BTU/hr
AFUE Rating: 96%
Fuel Type: Natural Gas or Propane
Electrical: 120V AC, 60Hz, 3.5 Amps
Blower Motor: ECM, multi-speed
Airflow: 1200-1600 CFM
Vent Size: 2" or 3" PVC
Dimensions: 34" H x 17.5" W x 28" D
Weight: 98 lbs

Controls and Operation

Front control panel: POWER switch, MODE selector, TEMPERATURE adjustment, FAN control.

Thermostat: POWER, MODE (HEAT/COOL/OFF), FAN (AUTO/ON), TEMPERATURE adjustment, PROGRAM schedule.

Operating Modes: HEAT mode with temperature setpoint, EMERGENCY HEAT for backup, FAN ONLY for circulation. Settings: Temperature range 50°F-90°F, fan delay options, filter reminder reset, system test mode.

Venting and Ductwork

PVC vent system: Follow manufacturer specifications for pipe size and length.

Vent Configuration: Horizontal or vertical termination options.
Pipe Requirements: Schedule 40 PVC; maintain 1/4" per foot slope.
Clearances: Maintain required distances from windows and air intakes.
Duct Sizing: Match to furnace CFM capacity; use manual D calculations.
Sealing: Use mastic or foil tape on all duct connections.

Tip: Install carbon monoxide detectors in sleeping areas and near furnace.

Maintenance Procedures

Regular maintenance ensures optimal performance and safety.

Monthly: Check and replace air filter if dirty.
Seasonal: Inspect vent system for obstructions or damage.
Annual: Professional inspection of heat exchanger, burners, and safety controls.
Bi-annual: Clean blower assembly and check motor operation.
As needed: Clean flame sensor and check ignition system.

WARNING! Turn off gas and electrical power before performing any maintenance.

Safety Features

Multiple safety systems: Flame rollout switch, high limit switch, pressure switch, flame sensor, condensate overflow switch. All safety devices must be operational for furnace to function.

Care & Cleaning

Turn off power before cleaning. Use soft brush and vacuum for internal components. Never use water or chemical cleaners on electrical components.

CAUTION! Do not attempt to clean heat exchanger without professional training. Keep area around furnace clear of combustible materials.

Regulatory Information

ANSI Z21.47: Certified for natural gas and propane operation. UL listed for safety. CSA approved for Canadian standards. Meets DOE energy efficiency requirements. Copyright © 2025 Hydro Flame Systems; all rights reserved. For technical support, visit www.hydroflame.com or contact 1-800-555-7916.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Furnace won't start	Power/thermostat	Check circuit breaker; verify thermostat settings; ensure door panels secure.
No heat	Gas supply/ignition	Verify gas valve on; check pilot/ignition; inspect flame sensor.
Short cycling	Filter/limit switch	Replace dirty filter; check high limit switch; verify airflow.
Blower not running	Motor/controls	Check blower door switch; test motor capacitor; verify control board.
Error codes flashing	System faults	Refer to diagnostic chart; count LED flashes for specific error.

Reset: Turn power off for 30 seconds, then restart.

Service: 1-800-555-7916; www.hydroflame.com