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Newmac NH3–122 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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Newmac NH3–122 Specifications

General IconGeneral
BrandNewmac
ModelNH3–122
CategoryFurnace
LanguageEnglish

Summary

FURNACE LOCATION

UNPACKING AND INSPECTION

Procedure for checking the delivered furnace unit for damage.

HEAT LOSS

Verifying furnace output meets building heat loss requirements before installation.

INSTALLATION REGULATIONS

Compliance requirements for furnace installation based on codes.

FOUNDATION

Ensuring the furnace is on a level foundation, preferably a cement pad.

CLEARANCES

Minimum distances to combustible materials for safe installation.

VENTING PRODUCTS OF COMBUSTION

CHIMNEYS

Guidelines for proper chimney installation and specifications.

BAROMETRIC DRAFT REGULATOR

Installation and use of draft regulators for chimneys.

BLOCKED VENT SWITCH

Installation and function of the WMO-1 blocked vent control.

POWER VENTING

Information on power venting systems for furnaces.

PROPER DUCT SIZING

AIR CONDITIONING

Designing the system to accommodate air conditioning equipment.

HUMIDIFIER

Considerations for humidifier installation to prevent damage.

ELECTRICAL CONNECTIONS

Requirements for electrical hookups and local codes.

FUEL SYSTEMS

Guidelines for oil supply tanks and piping.

THERMOSTAT

Proper placement and setting of the room thermostat.

THERMOSTAT HEAT ANTICIPATOR

Setting the heat anticipator for optimal burner response.

FAN & LIMIT CONTROL

HIGH LIMIT SETTING

Function and factory setting of the high limit control.

FAN-ON SETTING

Setting to start the blower when the furnace warms up.

FAN-OFF SETTING

Setting to keep the blower running until the heat exchanger cools.

FAN DIFFERENTIAL

The required difference between fan on and fan off settings.

COMBUSTION AND VENTILATION AIR

VENTILATION AIR REQUIREMENTS

Specifies air quantities needed for combustion and ventilation.

DUCT SIZING GUIDELINES

Rules for sizing ducts for combustion and ventilation air.

OIL BURNER INSTRUCTIONS

BURNER CARE

Routine maintenance and cleaning for the oil burner.

OIL BURNER INSTALLATION

Procedures for installing the oil burner and components.

BURNER SET-UP AND ADJUSTMENT

Steps for configuring and testing the burner.

EXTENDED SHUT DOWN PERIODS

Procedures for preparing the unit for long-term storage.

ELECTRODE SETTINGS

DIMENSIONAL RELATIONSHIPS

Specifications for burner electrode and insertion settings.

OIL FILTER AND FUEL SYSTEM

OIL FILTER

Recommendation for oil filter micron rating and maintenance.

OIL PUMP AND FUEL SYSTEM

Guidelines for fuel pump, tank setup, and piping.

BURNER OIL PRESSURE CHECK

TYPICAL OIL PUMP

Diagram and description of a typical oil pump configuration.

FURNACE SET UP AND MAINTENANCE

BLOWER MOTORS

Maintenance and oiling requirements for blower motors.

COMBUSTION CHAMBER

Inspection and maintenance of the combustion chamber.

SMOKE BAFFLES

Inspection and repositioning of smoke baffles.

AIR FILTER RACK

Installation and positioning of air filter racks.

AIR FILTERS

FILTER INSPECTION AND REPLACEMENT

Guidance on inspecting and changing air filters.

BLOWER REMOVAL AND ADJUSTMENT

BLOWER REMOVAL

Steps for safely disconnecting and removing the blower assembly.

BLOWER ADJUSTMENT

How to adjust blower speed for optimal temperature rise.

DIRECT DRIVE BLOWER

Selecting speed taps for direct drive blower installations.

BELT DRIVE BLOWER

Adjusting pulleys and belt tension for belt drive blowers.

MAINTENANCE & SERVICE

CLEANING

Procedures for cleaning the heat exchanger and combustion chamber.

WARRANTY

Information required for processing warranty claims.

IMPORTANT HOMEOWNER INSTRUCTIONS

EMERGENCY POWER SWITCH

Requirement and location of an emergency power switch.

CLEARANCES AND VENTILATION

Maintaining clear space and proper airflow for safety.

SERVICE AND MAINTENANCE

When to contact service for maintenance and filter replacement.

BURNER OPERATION SAFETY

Cautions regarding burner start-up and operation.

INSTALLER INFORMATION

APPLIANCE INITIAL TEST AND SERVICE INFORMATION

Data collected during initial testing and service of the appliance.

OIL FIRED FURNACE - LIMITED LIFETIME WARRANTY

WARRANTY CONDITIONS

Terms and requirements for the furnace warranty.

WARRANTY EXCEPTIONS

Conditions that void or limit the furnace warranty.

WARRANTY LIMITATIONS

Restrictions on express and implied warranties.

WARRANTY REGISTRATION

Information needed to register the furnace for warranty.

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