amana 95 iiq furnace manual

The Amana 95 IIQ Furnace is a high-efficiency gas furnace with 95% AFUE rating, featuring two-stage heating operation, variable-speed blower motor, quiet operation, durable heat exchanger, diagnostic LED light, and compatibility with most thermostats. Designed for residential use with natural gas or propane capability. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Thermostat 7. Operation Modes 8. Maintenance Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Two-stage gas valve, variable-speed ECM blower motor, stainless steel heat exchanger, diagnostic LED, pressure switches, flame sensor, igniter.

Feature	Description
Two-stage heating	Provides efficient low-stage and high-stage heating operation
Variable-speed blower	ECM motor for quiet operation and energy efficiency
Stainless steel heat exchanger	Durable construction for long service life
Diagnostic LED	Flashing codes for troubleshooting
Pressure switches	Safety devices to verify proper venting
Flame sensor	Detects burner flame for safety shutdown
Hot surface igniter	Electronic ignition for reliable startup
Gas valve	Regulates natural gas or propane flow
Blower compartment	Houses motor and blower wheel assembly
Control board	Main electronic control for furnace operation

Installation

Unpack and inspect contents. Ensure proper location with adequate clearance.

Gas connection: Use approved pipe and fittings; pressure test for leaks.
Vent system: Install PVC vent pipes according to local codes and manufacturer specifications.
Electrical: Connect 120V power supply; install properly grounded outlet.
Thermostat: Connect compatible two-stage thermostat wires.
Ductwork: Ensure proper sizing and sealing of supply and return ducts.

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

First-Time Setup

Power on furnace; follow startup sequence.

Verify gas supply: Ensure gas valve is open; check for leaks with soap solution.
Set thermostat: Install compatible two-stage thermostat; configure heating stages.
Check airflow: Verify proper airflow through registers; adjust dampers if needed.
Test operation: Cycle furnace through both heating stages; verify proper operation.
Monitor diagnostics: Observe LED light for normal operation codes.

CAUTION! Ensure adequate combustion air and proper venting before operation.

Specifications

AFUE Rating: 95% Annual Fuel Utilization Efficiency
Heating Stages: Two-stage operation
Blower Motor: Variable-speed ECM
Heat Exchanger: Stainless steel construction
Gas Type: Natural gas or propane (conversion kit required)
Voltage: 120V AC, 60Hz
Venting: PVC pipe required
Sound Level: Quiet operation design
Warranty: Limited lifetime heat exchanger warranty

Controls and Settings

Access control board via front panel. Diagnostic LED: Normal operation (steady on), fault codes (flashing patterns).

Thermostat Settings: HEAT/COOL/OFF, FAN AUTO/ON, temperature setpoints, stage configuration.

Heating Stages: Low-stage for mild weather, high-stage for extreme cold. Blower Speeds: Automatically adjusts based on heating demand. Safety Controls: Pressure switches, flame sensor, limit switches, rollout switches. Diagnostic Codes: LED flash patterns indicate specific fault conditions for troubleshooting.

Connecting Thermostat

Compatible with most two-stage heating thermostats. Standard wiring: R, C, W1, W2, G, Y.

Turn off power to furnace before wiring thermostat.
Match thermostat wires to control board terminals.
Configure thermostat for two-stage heating operation.
Restore power; test heating stages.

Tip: Use thermostat compatible with two-stage heating for optimal efficiency.

Operation Modes

Two-stage heating operation with variable-speed blower.

Low-stage heating: Activates during mild weather for efficient operation
High-stage heating: Engages during extreme cold for maximum heat output
Blower operation: Variable speed adjusts airflow for optimal comfort
Safety monitoring: Continuous monitoring of flame, pressure, and temperature
Diagnostic mode: LED indicates operational status and fault conditions

WARNING! Do not attempt to bypass safety controls; contact qualified technician for service.

Maintenance Features

Air filter monitoring: Replace filter regularly for optimal performance. Self-diagnostics: LED codes indicate maintenance needs. Service reminders: Built-in indicators for filter replacement and professional service.

Care & Cleaning

Turn off power before maintenance. Replace air filter every 1-3 months. Keep area around furnace clean and unobstructed.

CAUTION! Annual professional maintenance required; do not attempt internal cleaning without qualified technician.

Regulatory Information

ANSI Z21.47: Certified for safety standards. Energy Star: Meets efficiency requirements. UL listed: Certified for electrical safety. For support, visit www.amana.com or contact 1-877-254-4729. Manufactured by Amana Heating and Air Conditioning.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Furnace won't start	Power/thermostat	Check circuit breaker; verify thermostat settings; ensure gas supply on.
No heat	Filter/ignition	Replace dirty filter; check for blocked vents; observe LED diagnostic codes.
Short cycling	Airflow/limit switch	Clean/replace filter; check for blocked vents; verify proper airflow.
Blower not working	Motor/power	Check blower door switch; verify motor operation; check control board.
Unusual noises	Mechanical issues	Inspect blower wheel; check motor bearings; verify proper installation.

Reset: Turn power off for 30 seconds then restore; check LED codes.

Service: 1-877-254-4729; www.amana.com