Janitrol HPT18 60 Manual

The Janitrol HPT18 60 is a high-efficiency gas furnace with 60,000 BTU input capacity, featuring a hot surface ignition system, multi-speed blower motor, electronic thermostat compatibility, safety controls including flame rollout and limit switches, and durable heat exchanger construction. Designed for residential heating applications with AFUE ratings up to 80%. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Hot surface ignition system, multi-speed direct drive blower, aluminized steel heat exchanger, electronic thermostat control, safety switches, and diagnostic LED indicator.

Feature	Description
Input Capacity	60,000 BTU/hour
Ignition System	Hot surface ignition
Blower Motor	Multi-speed direct drive
Heat Exchanger	Aluminized steel construction
Thermostat Compatibility	Standard 24V electronic
Safety Controls	Flame rollout and limit switches
Diagnostic LED	Error code display
Gas Connection	1/2" NPT
Electrical Requirements	120V AC, 60Hz
Vent Requirements	Category I venting

Installation Requirements

Proper installation is critical for safe and efficient operation. Follow all local codes and manufacturer guidelines.

1. Location: Install in well-ventilated area with proper clearances to combustibles.
2. Gas Supply: Connect to properly sized gas line with sediment trap.
3. Electrical: Connect to dedicated 120V circuit with proper grounding.
4. Venting: Install approved Category I vent system with proper slope.
5. Ductwork: Ensure proper return and supply air duct sizing.

WARNING! Installation must be performed by qualified HVAC technician. Gas leaks can cause explosion or fire.

First-Time Setup

Initial startup and system verification procedures.

1. Verify all connections: Gas, electrical, and venting properly installed.
2. Check gas pressure: Adjust manifold pressure to specifications.
3. Test safety controls: Verify limit and rollout switch operation.
4. Program thermostat: Set heating schedule and temperature limits.
5. Test operation: Run through complete heating cycle.

CAUTION! Never bypass safety controls. Always verify proper venting before operation.

Technical Specifications

• Model: HPT18 60
• Input Capacity: 60,000 BTU/hour
• Output Capacity: 48,000 BTU/hour
• AFUE Rating: 80%
• Gas Type: Natural Gas
• Manifold Pressure: 3.5" W.C.
• Electrical: 120V AC, 60Hz, 5.0 Amps
• Blower Speeds: 4-speed motor
• Dimensions: Standard upflow configuration
• Weight: 98 lbs

Controls and Operation

Main control board manages all furnace functions with integrated diagnostic capabilities.

Control Board: Monitors safety circuits, controls ignition sequence, manages blower operation, and displays error codes via LED indicator.

Operating Sequence: Thermostat call for heat → Inducer motor starts → Pressure switch verification → Hot surface ignition → Gas valve opens → Flame detection → Blower starts after heat exchanger warm-up.

Temperature Control: Adjustable blower off delay and heating anticipator settings available through DIP switches.

Wiring and Connections

Standard 24V thermostat connections and 120V power requirements.

1. Disconnect power before servicing any electrical components.
2. Thermostat Connections: R (24V), W (Heat), G (Fan), C (Common)
3. Power Wiring: L1 (Hot), L2 (Neutral), Ground
4. Blower Speeds: Adjustable for heating and continuous fan operation

Tip: Use wire nuts and electrical tape for all connections. Follow local electrical codes.

Maintenance Procedures

Regular maintenance ensures optimal performance and longevity.

1. Monthly: Check and replace air filter as needed.
2. Annual: Professional inspection and cleaning recommended.
3. Burner Inspection: Clean burners and verify proper flame pattern.
4. Heat Exchanger: Inspect for cracks or corrosion.
5. Blower Assembly: Clean blower wheel and housing.
6. Vent System: Verify clear and unobstructed.
7. Drain System: Clear condensate drain lines and trap.

WARNING! Always turn off gas and electrical power before performing maintenance.

Safety Features

Multiple safety systems protect against hazardous conditions.

Flame Rollout Switch: Detects flame outside combustion chamber and shuts down system.

High Limit Switch: Prevents overheating by monitoring heat exchanger temperature.

Pressure Switch: Ensures proper inducer operation before gas valve opening.

Flame Sensor: Verifies burner ignition and shuts off gas if no flame detected.

Care & Cleaning

Regular cleaning maintains efficiency and prevents premature failure.

Air Filter: Replace every 1-3 months depending on usage and environment.

Burners: Clean annually with soft brush and compressed air.

Blower: Vacuum accessible areas and clean blower wheel.

Heat Exchanger: Professional inspection and cleaning recommended.

CAUTION! Never operate furnace without air filter. Keep combustion area clear of debris.

Regulatory Information

UL listed and ANSI certified for safe operation. Complies with ASHRAE standards for residential gas furnaces. Manufactured to meet or exceed industry safety standards. For technical support or warranty information, contact Janitrol customer service at 1-800-555-HEAT or visit www.janitrol.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Furnace won't start	Power, thermostat, safety lockout	Check circuit breaker, thermostat settings, reset safety switches
No heat	Gas supply, ignition failure	Verify gas valve on, check for ignition lockout, inspect flame sensor
Short cycling	Dirty filter, limit switch	Replace air filter, check for blocked vents, verify proper airflow
Blower not running	Motor, capacitor, control board	Check blower motor operation, test capacitor, verify control signals
Unusual noises	Blower, inducer, ductwork	Inspect blower wheel, check inducer motor, examine duct connections

Reset Procedure: Turn thermostat off, wait 30 seconds, turn back on. If problem persists, check diagnostic LED for error codes.

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