Surefire 101CE Furnace Manual

The Surefire 101CE is a high-efficiency gas furnace with advanced heating technology, featuring electronic ignition, variable-speed blower motor, multi-stage heating operation, built-in diagnostic system, energy-saving modes, safety shut-off controls, and compatibility with standard thermostat systems. Rated for residential use with 95% AFUE efficiency. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: Heat exchanger, blower assembly, gas valve, electronic ignition, control board, air filter, flue pipe connections, thermostat terminals.

Feature	Description
Heat exchanger	Stainless steel construction for durability and efficiency
Variable-speed blower	Adjustable airflow for optimal comfort and energy savings
Electronic ignition	Hot surface ignition for reliable startup
Multi-stage operation	Two-stage heating for precise temperature control
Diagnostic LED	Status indicator for troubleshooting
Air filter access	Front-loading filter for easy maintenance
Gas valve	Precision gas control with safety shut-off
Flue connections	PVC venting for high-efficiency operation
Control board	Microprocessor-based system management
Safety switches	Pressure and temperature limit controls

Installation

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

Position furnace: Place on stable, level surface with adequate clearance.
Connect gas supply: Use approved gas piping; test for leaks with soap solution.
Install venting: Connect PVC flue pipes according to local codes.
Electrical connections: Connect 120V power supply and thermostat wiring.
Ductwork: Connect supply and return air ducts securely.

WARNING! Gas appliances require professional installation. Follow all local codes and manufacturer specifications.

First-Time Setup

Complete installation verification before initial startup.

Gas pressure check: Verify inlet and manifold pressures are within specifications.
Ventilation test: Ensure proper draft and combustion air supply.
Electrical verification: Check all wiring connections and voltage.
System startup: Follow lighting instructions; observe first ignition cycle.
Temperature calibration: Set thermostat and verify heating operation.

CAUTION! Never operate furnace without proper ventilation. Carbon monoxide hazard exists.

Specifications

Model: Surefire 101CE
Fuel Type: Natural Gas
Input Capacity: 100,000 BTU/hr
AFUE Efficiency: 95%
Blower Motor: ECM variable speed
Stages: Two-stage heating
Voltage: 120V AC, 60Hz
Venting: PVC Category IV
Dimensions: 34" H x 21" W x 26" D
Weight: 120 lbs

Controls and Settings

Access control board via front panel. Diagnostic LED indicates system status.

Control Board: POWER switch, FUSE, STATUS LED, DIP switch settings, terminal strip.

Operating Modes: HEAT, OFF, FAN ONLY. Blower Settings: Auto/Continuous. Temperature Control: Via thermostat. Diagnostic Codes: LED flash patterns indicate specific faults. DIP Switches: Configure blower delays, staging, and other operational parameters.

Connecting Thermostat

Compatible with most 24V thermostat systems. Standard terminal designations.

Turn off power to furnace before wiring.
Connect thermostat wires to control board terminals: R, W, G, Y, C.
Configure thermostat for two-stage heating operation.
Restore power and test system operation.

Tip: Use 18-gauge thermostat wire for reliable connections.

Operating Modes

Multiple operating modes for efficiency and comfort.

Heat Mode: Primary heating operation with two-stage capability.
Fan Mode: Continuous or automatic blower operation.
Standby: System ready but not actively heating.
Diagnostic: LED indicates system status and fault codes.
Lockout: Safety shut-off requiring manual reset.

WARNING! Do not attempt to override safety controls. Contact qualified technician if lockout occurs.

Maintenance Procedures

Regular maintenance ensures optimal performance and safety.

Monthly: Check and replace air filter as needed.
Seasonal: Inspect burners, heat exchanger, and venting.
Annual: Professional inspection and cleaning recommended.
As needed: Clean condensate drain and trap.

CAUTION! Always turn off gas and electrical power before servicing.

Safety Features

Multiple safety systems protect against hazardous conditions.

Flame rollout switches
High limit temperature switches
Pressure switches for venting
Ignition failure lockout
Gas valve safety shut-off

Regulatory Information

UL listed and ANSI certified. Complies with ASHRAE standards for residential gas furnaces. Manufactured to meet EPA energy efficiency requirements. For technical support, visit www.surefireheating.com or contact 1-800-555-HEAT. Installation must comply with National Fuel Gas Code and local regulations.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Furnace won't start	Power, thermostat, gas supply	Check circuit breaker, thermostat setting, gas valve position.
No heat	Ignition failure, limit switch	Check for spark, verify gas flow, reset limit switch if tripped.
Short cycling	Dirty filter, airflow restriction	Replace air filter, check for blocked vents or registers.
Blower not working	Motor, capacitor, control board	Check blower motor operation, test capacitor, verify control signals.
Unusual noises	Loose components, airflow	Inspect for loose panels, check blower wheel, verify duct connections.

Reset: Turn power off for 30 seconds then restore. Check diagnostic LED for codes.

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