Rinnai Direct Vent Wall Furnace Manual

The Rinnai Direct Vent Wall Furnace is an energy-efficient gas heating system designed for residential and light commercial use. Featuring direct vent technology for safe operation, electronic ignition, multiple heat settings, thermostat control, safety shut-off systems, and easy maintenance access. 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. Technical Specifications 5. Controls and Operation 6. Venting System 7. Maintenance Procedures 8. Safety Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Direct vent system, electronic control panel, thermostat connection, combustion air intake, exhaust vent, gas connection, and safety shut-off valves.

Feature	Description
Direct Vent System	Sealed combustion chamber for indoor air quality
Electronic Ignition	Pilotless ignition for energy efficiency
Thermostat Control	Compatible with standard wall thermostats
Multiple Heat Settings	Adjustable BTU output for different room sizes
Safety Shut-off	Automatic shut-off for overheating or gas issues
Vent Configuration	Horizontal or vertical venting options
Gas Connection	1/2" NPT gas inlet
Power Supply	120V AC standard electrical connection
Control Panel	LED status indicators and mode selection
Maintenance Access	Removable front panel for easy servicing

Installation Requirements

Professional installation required. Verify local codes and obtain permits.

Location: Install on exterior wall with proper clearances to combustibles.
Venting: Install concentric vent kit according to manufacturer specifications.
Gas Connection: Use approved gas line materials; pressure test required.
Electrical: Connect to dedicated 120V AC circuit with proper grounding.
Clearances: Maintain minimum clearances as specified in manual.

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

First-Time Setup

After professional installation, perform initial startup procedure.

Gas Supply: Verify gas valve is open; check for leaks with soap solution.
Electrical: Ensure unit is properly grounded and connected to power.
Venting: Confirm vent system is properly sealed and unobstructed.
Thermostat: Connect and configure compatible thermostat.
Initial Startup: Follow lighting instructions on control panel.
Test Operation: Run through all heat settings to verify proper function.

CAUTION! Never bypass safety controls. If unit fails to start, contact qualified service technician.

Technical Specifications

Fuel Type: Natural Gas or Propane (conversion kit required)
BTU Input: 15,000 - 30,000 BTU/hr (model dependent)
Efficiency: 80%+ AFUE rating
Vent Size: 3" concentric vent system
Gas Pressure: Natural Gas: 3.5" W.C.; Propane: 10" W.C.
Electrical: 120V AC, 60Hz, 1 Amp
Dimensions: Varies by model (typically 24"W x 36"H x 10"D)
Weight: 45-65 pounds depending on model
Operating Temp Range: -40°F to 120°F ambient
Warranty: Limited lifetime heat exchanger, 5 years parts

Controls and Operation

Control panel located on front of unit. Thermostat controls temperature setting.

Control Panel: POWER switch, MODE selector, TEMPERATURE adjustment, STATUS LED indicators.

Operation Modes: HEAT (multiple settings), OFF, PILOT (if equipped). Temperature Control: Use wall thermostat or built-in temperature dial. Status Indicators: Green (normal operation), Yellow (service required), Red (safety shut-off). Safety Controls: Overheat protection, flame failure device, pressure switch, vent safety switch.

Venting System

Direct vent system uses concentric pipe for intake and exhaust.

Vent Configuration: Horizontal through wall or vertical through roof.
Clearances: Maintain specified distances from windows, doors, and air intakes.
Termination: Use approved vent terminal cap.
Slope: Horizontal vents must slope slightly downward toward exterior.
Support: Secure vent pipes per manufacturer specifications.

Tip: Regularly inspect vent termination for obstructions like snow, leaves, or debris.

Maintenance Procedures

Annual professional maintenance recommended for safe operation.

Monthly: Visual inspection of vent termination and flame observation window.
Seasonal: Check thermostat operation and battery replacement if applicable.
Annual: Professional cleaning of burners, heat exchanger, and vent system.
Biannual: Inspection of safety controls and gas valve operation.
As Needed: Replacement of air filters and cleaning of combustion chamber.

WARNING! Always turn off gas and electrical power before performing any maintenance. Use only qualified service technicians.

Safety Features

Multiple safety systems ensure safe operation: Overheat protection, flame failure device, pressure switch, vent safety switch, tip-over switch (if applicable).

Care & Cleaning

Exterior cleaning only. Use soft, dry cloth. Do not use liquids or chemical cleaners.

CAUTION! Never spray cleaning solutions on unit. Keep combustion air intake clear of dust and debris.

Regulatory Information

ANSI Z21.11.2: Certified for wall furnace application. CSA 2.19: Approved for residential use. UL listed components. For support, visit www.rinnai.us or contact 1-800-621-9419. Installation must comply with local building codes and NFPA 54.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit will not start	Power/gas supply	Check circuit breaker; verify gas valve open; check thermostat setting.
No heat output	Thermostat/ignition	Verify thermostat above room temp; listen for ignition sequence.
Yellow burner flame	Combustion issue	Contact technician; may indicate improper air/gas mixture.
Frequent cycling	Venting/thermostat	Check for vent obstructions; verify thermostat location.
Error code displayed	System fault	Refer to error code chart in manual; contact service if persistent.

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

Service: 1-800-621-9419; www.rinnai.us