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Newmac LFR-75 - User Manual

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INSTALLATION, OPERATING
and
SERVICE MANUAL
THE INSTALLATION OF THE UNIT SHALL BE IN ACCORDANCE WITH THE
REGULATIONS OF THE AUTHORITIES HAVING JURISDICTION.
OIL-FIRED HI-BOY HEAVY DUTY FURNACES
MODELS: NH3 and LFR
HEAD OFFICE
MARKETING / PRODUCTION
Newmac Mfg. Inc.
208 LANCASTER CRESCENT
P.O. BOX 9, DEBERT
NOVA SCOTIA, BOM 1G0
PHONE: 902-662-3840
FAX: 902-662-2581
WAREHOUSE
Newmac Mfg. Inc.
430 SPRINGBANK AVE., SOUTH
WOODSTOCK, ONTARIO
N4V 1B2
PHONE: 519-539-6147
FAX: 519-539-0048
156156
EMAIL: newmac@newmacfurnaces.com
WEB SITE: newmacfurnaces.com
NOTICE TO HOMEOWNER:
READ AND SAVE THESE INSTRUCTIONS
2210272 March 2010
Printed
:__________Subject to change without notice

Table of Contents

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Summary

Installation and Setup

Furnace Location, Clearances, and Venting

Guidance on furnace location, clearances, foundation, and venting requirements.

System Connections and Sizing

Procedures for duct sizing, electrical, fuel, thermostat, AC, and humidifier connections.

Burner and Blower Systems

Fan Control and Air Requirements

Operation of Fan & Limit controls and requirements for combustion/ventilation air.

Oil Burner Operation and Setup

Care, installation, setup, adjustment, and shutdown procedures for the oil burner.

Blower System Operations and Adjustments

Guidance on air filters, blower removal, adjustment, and drive type operations.

Maintenance and Safety

Furnace Cleaning and Maintenance Procedures

Procedures for annual cleaning and general furnace upkeep.

Safety Guidelines and Homeowner Instructions

Essential safety precautions and operational rules for homeowners.

Diagrams, Troubleshooting, and Installer Info

Unit Dimensions and Control Locations

Illustrations of unit dimensions and control locations for NH3 models.

Wiring Schematics

Diagrams illustrating standard wiring for direct drive, A/C ready, and belt drive systems.

Exploded Assembly Diagrams

Illustrated breakdowns of NH3, Aero, and Carlin burner components.

Troubleshooting Common Issues

Guide to diagnosing and resolving chimney draft problems and burner faults.

Installer Data and Warranty

Forms for installer data, test results, and warranty registration.

Newmac LFR-75 Specifications

General IconGeneral
Fuel TypeNatural Gas or Propane
AFUE80%
Input BTU75, 000 BTU/h
Output BTU60, 000 BTU/h
Blower MotorMulti-speed
Vent Size4"

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