Laars newport NP 75 - User Manual

Installation, Operation and Maintenance Instructions Document 1100B
Installation,
Operation and
Maintenance
Instructions for
Newport
Oil Fired Boiler
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in boiler installation and maintenance. Improper installation and/or operation could create
carbon monoxide gas in flue gases which could cause serious injury, property damage, or death.
Improper installation and/or operation will void the warranty.
WARNING
If the information in this manual is not followed exactly, a fire or explosion may result
causing property damage, personal injury or loss of life.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or
any other appliance.
Installation and service must be performed by a qualified installer, service agency, or fuel oil
supplier.
52-206B
A subsidiary of BRADFORD WHITE Corporation

Summary

SECTION 1. General Information

Boiler Installation

Recommended installation practices as per NFPA 31.

Freight Claims

Procedure for inspecting boiler and filing damage claims.

Boiler Location

Guidelines for positioning the boiler near the chimney.

Boiler Clearances (to combustibles)

Required distances from boiler to combustible materials.

Floor

Requirements for the boiler mounting surface.

Combustion and Ventilation Air

Details on providing adequate air for combustion and ventilation.

Chimney and Draft Requirements

Ensuring proper chimney draft for safe operation.

Jacket (normally fitted)

Instructions for assembling jacket panels if not pre-fitted.

Oil Burner (normally fitted)

Guidance on installing the oil burner tube and flange.

Boiler Controls (normally fitted)

Instructions for fitting boiler controls like circulator and aquastat.

Oil

Specifies the type of oil to be used for the boiler.

Oil Storage and Pipe Layout

Information on fuel storage methods and pipe system design.

Electrical Wiring

Compliance requirements for boiler electrical wiring.

Operation (Honeywell L8124 A aquastat relay)

Explanation of boiler operation controlled by the aquastat relay.

Domestic Water Piping

Instructions for connecting domestic hot water piping.

Cleaning the Boiler

Procedure for annual boiler cleaning to maintain efficiency.

Cleaning the Chimney

Recommendations for cleaning and inspecting the chimney annually.

Servicing the Burner

Guidance for trained technicians on burner servicing.

Maintenance of the Tankless Coil

Advice on maintaining the tankless domestic hot water coil.

Coil Removal

Step-by-step instructions for removing the tankless coil.

SECTION 2. Part Numbers

Laars newport NP 75 Specifications

General

Model	Newport NP 75
Input BTU/hr	75, 000
Efficiency	81%
Fuel Type	Natural Gas or Propane
Water Connection Size	1 1/4" NPT
Gas Connection	1/2" NPT
Operating Pressure	30 PSI
Water Content	3.5 gallons
Vent Size	4"