Newmac Oil Furnace Manual

The Newmac Oil Furnace is a high-efficiency heating system designed for residential and commercial use, featuring advanced combustion technology, safety controls, and energy-saving operation. This manual covers installation, operation, maintenance, and troubleshooting procedures to ensure optimal performance and safety. Below are key sections for safety guidelines, technical specifications, installation procedures, operation instructions, maintenance schedules, and troubleshooting.

1. Safety Information 2. Technical Specifications 3. Installation Procedures 4. Operating Instructions 5. Control Panel Functions 6. Maintenance Schedule 7. Cleaning Procedures 8. Troubleshooting Guide 9. Parts List 10. Warranty Information

Safety Information

Critical safety guidelines for proper furnace operation and maintenance.

Hazard	Precaution
Fire hazard	Keep combustible materials at least 36 inches from furnace
Carbon monoxide	Ensure proper ventilation and annual chimney inspection
Burn hazard	Allow furnace to cool before servicing
Electrical shock	Disconnect power before maintenance
Oil spills	Clean immediately and dispose properly

Technical Specifications

Heating Capacity: 85,000 - 150,000 BTU/hr
Fuel Type: No. 2 Heating Oil
Efficiency Rating: 85% AFUE
Electrical Requirements: 120V AC, 60Hz, 15A
Oil Consumption: 0.65 - 1.10 GPH
Dimensions: 48" H x 24" W x 28" D
Weight: 285 lbs
Flue Size: 6-inch diameter

Installation Procedures

Professional installation recommended. Follow local building codes.

Location: Select level, well-ventilated area with proper clearances.
Oil Tank: Install with proper venting and fill connection.
Flue System: Install approved chimney or vent pipe.
Electrical: Connect to dedicated 15A circuit with proper grounding.
Oil Lines: Use copper tubing; install filter and shut-off valve.
Thermostat: Install compatible 24V thermostat.

WARNING! Installation must comply with NFPA 31 and local codes. Use qualified technician.

Operating Instructions

Start-up and normal operation procedures.

Initial Start-up: Fill oil lines, bleed air from system, set thermostat to desired temperature.
Normal Operation: Furnace cycles automatically based on thermostat setting.
Shut-down: Use emergency switch or thermostat to turn off.
Seasonal Start-up: Check oil level, inspect flue, verify safety controls.

CAUTION! Never attempt to override safety controls. Contact technician if furnace fails to start.

Control Panel Functions

Main control components and their functions.

Component	Function
Primary Control	Manages ignition sequence and safety lockout
Cad Cell	Monitors flame presence
Stack Switch	Detects proper draft conditions
Reset Button	Resets after safety lockout (1-hour wait required)
Emergency Switch	Manual power shut-off

Maintenance Schedule

Regular maintenance ensures efficiency and safety.

Weekly: Check oil tank level, inspect for leaks
Monthly: Test emergency switch operation
Seasonal: Replace oil filter, clean combustion chamber
Annual: Professional tune-up including nozzle replacement, electrode adjustment, heat exchanger inspection

Cleaning Procedures

Proper cleaning methods for furnace components.

Turn off power and allow furnace to cool completely.
Remove access panels and clean combustion chamber with brush and vacuum.
Clean heat exchanger surfaces with soft brush.
Inspect and clean flue pipe connections.
Replace access panels securely before restoring power.

CAUTION! Wear protective gloves and eyewear during cleaning.

Troubleshooting Guide

Symptom	Possible Cause	Corrective Action
No heat	Power outage, thermostat setting, empty oil tank	Check power, adjust thermostat, refill oil tank
Furnace locks out	Dirty filter, faulty nozzle, air in line	Replace filter, clean nozzle, bleed oil line
Smoke or odor	Dirty combustion chamber, improper draft	Clean chamber, check flue obstruction
Unusual noises	Air in pump, worn bearings	Bleed pump, contact technician
Frequent cycling	Dirty filter, oversized nozzle	Replace filter, verify nozzle size

Parts List

Common replacement parts for Newmac Oil Furnace.

Oil Burner Nozzle: 1.00 GPH, 80° spray angle
Oil Filter: Spin-on cartridge type
Ignition Electrodes: Standard set with insulators
Cad Cell Eye: Standard replacement
Transformer: 120V-24V, 40VA
Pump Coupling: Flexible coupling assembly

Warranty Information

Newmac provides limited warranty coverage as follows:

Heat Exchanger: 20-year limited warranty
Components: 5-year limited warranty
Labor: 1-year from date of installation

Warranty requires professional installation and annual maintenance. Register warranty within 30 days of installation. For service, contact authorized Newmac dealer or 1-800-NEWMAC-1.