Wesco Electric Furnace Manual

The Wesco Electric Furnace is a high-efficiency residential heating system designed for reliable performance and energy savings. This manual covers installation, operation, maintenance, and troubleshooting for various Wesco electric furnace models. 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 Components 7. Operation 8. Safety Features 9. Maintenance & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Heating elements, blower motor, control board, thermostat connection, air filter, safety switches, and diagnostic LEDs.

Feature	Description
Heating elements	Multiple electric heating coils for efficient warmth
Blower motor	Variable speed for optimal air circulation
Control board	Microprocessor-controlled operation
Thermostat connection	Compatible with standard 24V thermostats
Air filter	Standard 1-inch filter slot
Safety switches	High-limit and roll-out protection
Diagnostic LEDs	Error code indicators for troubleshooting
Power switch	Main power disconnect
Access panel	Removable for service access
Drain connection	For humidifier installation

Installation

Unpack and inspect contents. Ensure proper location and clearances.

Select location: Install in dry, well-ventilated area with proper clearances.
Mount furnace: Secure to floor or platform according to local codes.
Connect ductwork: Attach supply and return ducts securely.
Electrical connections: Connect to dedicated 240V circuit with proper grounding.
Thermostat wiring: Connect 24V thermostat wires to control board.

WARNING! Installation must be performed by qualified HVAC technician. Ensure proper electrical grounding.

First-Time Setup

Complete installation checks before initial operation.

Power connection: Verify proper voltage and circuit breaker size.
Thermostat setup: Program desired temperature settings.
Filter installation: Insert clean air filter in filter slot.
System check: Turn on power and verify normal operation.
Airflow verification: Check all registers for proper airflow.

CAUTION! Do not operate without proper electrical connections and air filter installed.

Specifications

Heating Capacity: 10kW to 20kW models available
Voltage: 240V AC, 60Hz
Airflow: 800-1400 CFM depending on model
Filter Size: Standard 16x25x1 inch
Thermostat: 24V compatible
Safety Features: High-limit switches, thermal fuses
Warranty: 5-year limited warranty on heating elements
Dimensions: Varies by model (typically 21"W x 21"D x 48"H)
Weight: 80-120 lbs depending on model

Controls and Settings

Access control board via front access panel. Thermostat controls temperature settings.

Control Board: Power LED, diagnostic LEDs, reset button, mode selection.

Temperature Control: Set desired temperature via thermostat. Fan Control: Auto or continuous operation. Mode Selection: Heat, Off, Fan Only. Diagnostic Codes: LED flash patterns indicate specific issues. Reset Function: Manual reset button for overload protection.

Connecting Components

Electrical: 240V power supply. Thermostat: Standard 24V connection. Ductwork: Supply and return air connections.

Turn off power at main breaker before making connections.
Follow wiring diagram for proper electrical connections.
Ensure proper wire gauge for circuit length and amperage.
Verify thermostat wiring matches control board terminals.

Tip: Label all wires before disconnecting for easy reconnection.

Operation

Normal heating operation and user controls.

Power on: Turn on main power switch and thermostat.
Set temperature: Adjust thermostat to desired setting.
Fan operation: Select auto or continuous fan mode.
Monitor operation: Listen for normal blower and heating sounds.
Shutdown: Turn thermostat to off position when not needed.

WARNING! Do not block air vents or returns. Keep flammable materials away from furnace.

Safety Features

High-limit switches: Automatically shut off if overheating detected. Thermal fuses: One-time protection against extreme temperatures. Roll-out switches: Detect flame rollout conditions. Access door switch: Cuts power when service panel is removed.

Maintenance & Cleaning

Monthly filter checks and annual professional maintenance recommended.

Filter replacement: Change every 1-3 months depending on usage.
Visual inspection: Check for debris or obstructions.
Blower cleaning: Vacuum blower compartment annually.
Electrical inspection: Check connections for tightness.

CAUTION! Always turn off power before performing any maintenance.

Regulatory Information

UL listed and meets ANSI standards for electric furnaces. Complies with local building codes and electrical standards. Copyright © 2025 Wesco Heating Systems; all rights reserved. For technical support, visit www.wescoheating.com or contact 1-800-555-HEAT.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No heat	Power/thermostat	Check circuit breaker; verify thermostat setting; check filter.
Blower not working	Motor/control	Check blower motor; verify control board operation.
Furnace cycles on/off	Overheating	Check filter; verify proper airflow; check limit switch.
Strange noises	Mechanical issues	Inspect blower wheel; check for loose components.
Error codes	System faults	Refer to diagnostic chart; reset if applicable.

Reset: Turn power off for 30 seconds then restart.

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