GE Electric Furnace Manual Series H

The GE Electric Furnace Series H is a high-efficiency electric heating system designed for residential and light commercial applications. This furnace features advanced heating elements, multi-speed blower motor, integrated safety controls, thermal overload protection, and compatibility with standard thermostats. Available in various capacities from 20kW to 60kW, with voltage requirements of 208/240V single-phase. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Heating elements, Blower assembly, Control board, Limit switches, Transformer, Filter rack, Service access panels.

Installation

Unpack and inspect contents. Ensure proper clearance and mounting surface.

1. Position furnace: Place on stable, level surface with minimum clearances as specified.
2. Ductwork connections: Attach supply and return ducts securely.
3. Electrical connections: Connect power supply and thermostat wiring per diagram.
4. Install filter: Insert appropriate size air filter in filter rack.
5. Verify grounding: Ensure proper electrical grounding.

WARNING! Installation must be performed by qualified HVAC technician. Disconnect power before servicing.

First-Time Setup

Power on furnace; verify proper operation.

1. Thermostat configuration: Set to HEAT mode and desired temperature.
2. Blower speed adjustment: Select appropriate speed for application.
3. Safety check: Verify limit switches and overload protection function.
4. Airflow verification: Check supply and return airflow patterns.
5. System test: Run complete heating cycle to confirm operation.

CAUTION! Ensure all access panels are securely in place before operation.

Specifications

• Heating Capacity: 20kW to 60kW models available.
• Voltage: 208/240V single-phase.
• Blower Motor: Multi-speed PSC type.
• Airflow: Adjustable from 800 to 2000 CFM.
• Temperature Rise: 30°F to 70°F (varies by model).
• Filter Size: Standard 1-inch media filters.
• Control Voltage: 24V AC.
• Safety Devices: Limit switches, thermal overload, pressure switches.
• Dimensions: Varies by model (consult specific model data).
• Weight: 80 to 150 lbs depending on capacity.

Controls and Settings

Access control board via front service panel. Control Board: Power switch, Diagnostic LEDs, Blower speed taps, Transformer connections.

Thermostat Connections: R (24V), W (Heat), G (Fan), C (Common).

Heating Stages: Single or multi-stage depending on model. Blower Control: Automatic with heating cycle, continuous fan option available. Temperature Limits: Factory set, adjustable within safe parameters. Diagnostic Codes: LED flash patterns indicate specific fault conditions.

Electrical Connections

Power Supply: 208/240V single-phase. Control Circuit: 24V from transformer.

1. Disconnect all power before making connections.
2. Follow wiring diagram exactly for proper operation.
3. Use appropriate wire gauges for circuit amperage.
4. Verify proper grounding and circuit protection.
5. Test all connections for security and correct polarity.

Tip: Always use copper conductors only; aluminum not recommended.

Operation and Maintenance

Supports continuous and intermittent operation modes.

1. Startup: Set thermostat to desired temperature above room temp.
2. Normal Operation: Heating elements cycle on/off to maintain temperature.
3. Filter Replacement: Change every 1-3 months depending on usage.
4. Seasonal Maintenance: Inspect heating elements, blower, and electrical connections.
5. Blower Cleaning: Vacuum blower assembly annually.
6. Element Inspection: Check for damage or excessive wear.
7. Safety Testing: Verify limit switch operation periodically.
8. Airflow Check: Ensure proper supply and return airflow.

WARNING! Disconnect power before performing any maintenance. Heating elements remain hot after shutdown.

Safety Features

Limit Switches: Automatic shutdown if overheating detected. Thermal Overload: Protects motor from excessive current. Pressure Switches: Ensures proper airflow before heating. Access Panel Interlocks: Prevents operation with panels removed.

Care & Cleaning

Disconnect power before cleaning. Use vacuum for internal cleaning; compressed air for delicate components.

CAUTION! Do not use water or liquid cleaners. Keep electrical components dry.

Regulatory Information

UL Listed: Complies with UL Standard 1995. CSA Certified: Meets Canadian Standards Association requirements. NEC Compliance: Designed per National Electrical Code. Copyright © General Electric Company; all rights reserved. For technical support, contact GE Customer Service at 1-800-626-2000 or visit www.geappliances.com.

Troubleshooting

Reset: Turn power off for 30 seconds then restore.

Service: 1-800-626-2000; www.geappliances.com