P1CD York Furnace Manual

The P1CD York Furnace is a high-efficiency residential heating system with advanced combustion technology, variable-speed blower motor, electronic ignition, built-in diagnostic system, multiple-stage heating, compatibility with various thermostats, safety shutoff features, and energy-saving modes. Designed for 120V AC power supply with standard household electrical requirements. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: High-efficiency heat exchanger, Variable-speed blower, Electronic control board, Gas valve, Ignition system, Pressure switches, Filter access panel, Diagnostic LED lights.

Installation

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

1. Position furnace: Place on stable, level surface in well-ventilated area.
2. Connect gas supply: Use approved gas piping; check for leaks with soap solution.
3. Connect electrical: 120V AC power supply with proper grounding.
4. Connect venting: Install proper vent pipes according to local codes.
5. Connect thermostat: Use appropriate wiring for multi-stage operation.
6. Install air filter: Insert clean filter in filter rack.

WARNING! Gas appliances can be dangerous; professional installation recommended. Ensure proper ventilation to prevent carbon monoxide buildup.

First-Time Setup

Power on furnace; follow startup sequence.

1. Verify gas supply: Ensure gas valve is open and supply is adequate.
2. Set thermostat: Program desired temperature settings.
3. Test operation: Raise thermostat setting to initiate heating cycle.
4. Check airflow: Verify proper air delivery from all registers.
5. Monitor ignition: Observe proper startup sequence and flame establishment.
6. Adjust blower speed: If necessary, adjust for optimal airflow.

CAUTION! Never bypass safety devices. If furnace fails to start properly, shut off power and call qualified technician.

Specifications

• Model: P1CD Series
• Fuel Type: Natural Gas or Propane
• Efficiency: Up to 96% AFUE
• Heating Capacity: 40,000-120,000 BTU/H (varies by model)
• Blower Motor: Variable-speed ECM
• Stages: Single-stage or Two-stage heating
• Electrical: 120V AC, 60Hz
• Control Voltage: 24V AC
• Venting: PVC pipe (category IV)
• Dimensions: Varies by model capacity
• Warranty: Limited lifetime heat exchanger, 10 years parts

Controls and Settings

Access control board via front panel. Integrated control module with diagnostic capabilities.

Thermostat Controls: Temperature setting, Fan mode (Auto/On), System mode (Heat/Off), Program schedules.

Furnace Settings: Blower speed adjustments, Heating stages configuration, Temperature rise verification, Diagnostic mode access. Safety: High limit switch, Pressure switch, Flame rollout switch, Ignition control lockout. Maintenance: Filter replacement indicator, Service reminder codes.

Connecting Thermostat

Compatible with most 24V thermostats. Supports multi-stage heating and variable fan control.

1. Turn off power to furnace at main disconnect.
2. Remove old thermostat and label wires.
3. Mount new thermostat base and connect wires: R (power), W (heat), G (fan), C (common), W2 (2nd stage heat if applicable).
4. Program thermostat according to manufacturer instructions.
5. Restore power and test operation.

Tip: Use programmable thermostat for maximum energy savings and comfort.

Operating Modes

Multiple operating modes for optimal comfort and efficiency.

1. Heating Mode: Primary heating operation with variable output.
2. Fan Only: Continuous or intermittent blower operation.
3. Standby: System ready but not actively heating.
4. Diagnostic: Service mode for troubleshooting.
5. Lockout: Safety shutdown requiring manual reset.
6. Smart Recovery: Anticipates temperature needs for precise comfort.
7. Adaptive Control: Learns home characteristics for optimal performance.

WARNING! Do not attempt to override safety controls. If system locks out repeatedly, contact qualified service technician.

Safety Features

Multiple safety systems: High temperature limit switch, Flame rollout protection, Pressure switch monitoring, Ignition safety control, Carbon monoxide detection compatibility, Overcurrent protection.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and safety.

1. Monthly: Check and replace air filter as needed.
2. Seasonal: Inspect vent system for obstructions.
3. Annual: Professional inspection and cleaning recommended.
4. Clean burners and heat exchanger.
5. Check gas connections and pressure.
6. Verify safety device operation.
7. Lubricate blower motor if required.

CAUTION! Always turn off power and gas supply before performing any maintenance. Use only qualified HVAC technicians for internal components.

Regulatory Information

UL listed and ANSI certified. Complies with ASHRAE standards. Meets DOE efficiency requirements. Manufactured to ISO 9001 quality standards. For technical support, visit www.york.com or contact 1-800-910-YORK. Installation must comply with local building codes and NFPA standards.

Troubleshooting

Reset Procedure: Turn off power for 30 seconds, then restore. If problem persists, call for service.

Service: 1-800-910-YORK; www.york.com