Cozy Direct Vent Wall Furnace Manual

The Cozy Direct Vent Wall Furnace is an efficient gas heating system designed for wall-mounted installation with direct vent technology for improved safety and performance. This unit features electronic ignition, variable heat settings, thermostat control, safety shut-off systems, and energy-efficient operation. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation Requirements 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Venting System 7. Operating Instructions 8. Maintenance Procedures 9. Safety Features 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Direct vent system, electronic ignition, thermostat control, safety shut-off, wall-mounted design.

Feature	Description
Direct Vent System	Sealed combustion chamber with separate intake and exhaust
Electronic Ignition	Pilotless ignition for improved efficiency
Thermostat Control	Precise temperature regulation
Safety Shut-off	Automatic shut-off for overheating or gas supply issues
Wall Mounted	Space-saving installation
Variable Heat Settings	Multiple heat output levels
Power Source	Standard 120V AC electrical connection
Gas Type	Natural gas or propane (model specific)
Vent Configuration	Horizontal or vertical venting options
Control Panel	LED indicators and manual controls

Installation Requirements

Proper installation is critical for safe and efficient operation.

Location: Install on exterior wall with proper clearances to combustibles.
Venting: Follow direct vent specifications for intake and exhaust.
Gas Connection: Use approved gas line materials and proper sizing.
Electrical: Connect to dedicated 120V AC circuit.
Clearances: Maintain minimum clearances as specified in manual.

WARNING! Installation must be performed by qualified professional. Improper installation can cause fire, explosion, or carbon monoxide poisoning.

First-Time Setup

Initial startup and configuration procedures.

Inspect unit: Verify all components are intact and undamaged.
Check gas connections: Ensure all fittings are tight and leak-free.
Verify venting: Confirm proper installation of vent pipes.
Power on: Connect electrical power and set thermostat.
Initial ignition: Follow startup sequence for first-time operation.
Test safety features: Verify proper operation of all safety systems.

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

Specifications

Heating Capacity: 15,000-30,000 BTU/hr (model dependent)
Efficiency: Up to 85% AFUE
Gas Type: Natural gas or propane
Gas Pressure: Natural gas: 3.5" WC, Propane: 10" WC
Electrical: 120V AC, 60Hz, 1.5A
Vent Size: 3" or 4" diameter (model specific)
Dimensions: Varies by model (typically 24"W x 36"H x 12"D)
Weight: 45-65 pounds
Temperature Range: 40°F to 90°F thermostat setting
Warranty: Limited lifetime heat exchanger, 5 years parts

Controls and Settings

Front control panel and thermostat operation.

Control Panel: POWER switch, HEAT LEVEL selector, PILOT indicator, TEMPERATURE adjustment.

Thermostat: Set desired temperature, SYSTEM switch (HEAT/OFF), FAN control (AUTO/ON). Heat Settings: LOW, MEDIUM, HIGH output levels. Safety Indicators: LED lights for normal operation, fault conditions, and service requirements.

Venting System

Direct vent configuration requirements and options.

Vent Termination: Maintain proper clearances from windows, doors, and air intakes.
Vent Length: Maximum equivalent vent length as specified for model.
Vent Material: Use only approved vent pipe materials.
Installation: Follow manufacturer's instructions for horizontal or vertical venting.

Tip: Regular inspection of vent system is essential for safe operation.

Operating Instructions

Daily operation and seasonal startup.

Startup: Turn thermostat to desired temperature, set system to HEAT.
Normal Operation: Unit will cycle automatically to maintain set temperature.
Heat Level Selection: Choose appropriate heat setting for conditions.
Shutdown: Turn thermostat to lowest setting or system to OFF.
Seasonal Startup: Inspect unit and venting before heating season.

WARNING! Never operate unit with damaged vent system or if smell of gas is present.

Maintenance Procedures

Regular maintenance schedule and procedures.

Annual Maintenance: Professional inspection and cleaning. Monthly: Visual inspection of vent termination. Filter: Clean or replace air filter as needed. Burner: Professional cleaning of burner assembly. Vent System: Inspect for obstructions or damage.

Safety Features

Built-in safety systems and precautions.

Overheat Protection: Automatic shut-off if temperature exceeds safe limits. Flame Failure: Shut-off if flame is not detected. Vent Safety: Pressure switch monitors vent operation. Gas Valve: Automatic shut-off for gas supply issues. Carbon Monoxide: Proper venting prevents CO buildup.

Regulatory Information

ANSI Z21.44: Certified to national safety standards. CSA 2.26: Compliance with Canadian standards. Local Codes: Installation must comply with all local building and mechanical codes. For support, contact manufacturer at 1-800-555-HEAT or visit www.cozyheating.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit won't start	Power supply/thermostat	Check circuit breaker; verify thermostat setting; ensure gas supply on.
No heat output	Ignition failure/gas supply	Check gas valve; verify pilot ignition; inspect flame sensor.
Insufficient heat	Filter/venting	Clean or replace filter; check vent for obstructions.
Unit cycles on/off frequently	Thermostat location/oversizing	Relocate thermostat; verify proper unit sizing for space.
Unusual odors	Dust accumulation/gas leak	Clean burners; if gas smell detected, shut off immediately and call professional.

Reset: Turn power off for 5 minutes, then restart.

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