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Patterson-Kelley P-K MACH CM500 - User Manual

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&
P-K MACH
®
/ NURO
®
GAS FIRED BOILER
Natural Gas or Propane Gas
CM300, CM399, CM500
C750, C900, C1050
Dual Fuel
C750GG, C900GG, C1050GG
Part # 1004905980
C.S.A Design-Certified
Complies with ANSI Z21.13/CSA 4.9
Gas-Fired Low Pressure Steam and Hot Water Boilers
C.S.A Design-Certified
Complies with ANSI Z21.13/CSA 4.9
Gas-Fired Low Pressure Steam and Hot Water Boilers
ASME Code, Section IV
Certified by Patterson-Kelley
Model Number:
Serial Number:
Start-Up Date: ___________________________
Patterson-Kelley
155 Burson Street
East Stroudsburg, PA 18301
Telephone: 570.476.7261
Toll Free: 877.728.5351
Fax: 570.476.7247
www.pattersonkelley.com
Revised January 3, 2020
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Patterson-Kelley 2020: All Rights Reserved.
The information in this manual is the property of Patterson-Kelley. The descriptions and specifications contained in this manual were in effect at the time
this manual was approved for publication. While Patterson-Kelley will continue to support earlier model boilers to within a reasonable time limit, we
reserve the right to discontinue models and replacement parts at any time or change specifications or design without notice and without incurring any
obligation

Table of Contents

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Summary

Safety

General Safety Information

General safety requirements for installation, operation, and servicing of P-K MACH boilers.

Hazard Warnings

Electrical Hazards

Warnings and precautions related to electrical shock and wiring.

Slip, Fall Hazards

Burn, Fire and Explosion Hazards

Fuel and Fire Hazards

Hazards related to incorrect fuels, overfiring, and flammable vapors.

Gas Leak and Pressure Hazards

Precautions regarding gas leaks and pressure issues.

Site Preparation

Compliance with Codes

Details boiler compliance with ANSI, CSA, and ASME standards and codes.

Location Setup

Inlet Air and Exhaust Venting Considerations

Category II;IV Flue Gas Exhaust Vent Planning

Details categories for vent planning and required vent pressures.

Electrical Connections

High Voltage (TB2) Terminal Block

Details terminal assignments and connections for the high voltage block.

Low Voltage (TB1) Terminal Block

Details terminal assignments for low voltage circuits and sensors.

Combustion Air

Air Inlet Requirements - United States

Specifies combustion air opening requirements per NFPA/ANSI codes.

Flue Gas; Exhaust Venting

Category II or IV Venting Installation

Requirements for Category II and IV venting systems.

Piping and External Connections

Gas Piping Overview

General guidelines for gas piping installation and pressure.

Pre-Start Checklist

Pre-Start Inspection Items

Checklist of items to verify before starting the boiler.

Safety Checks

Ignition Safety System Test

Procedure for testing the ignition system safety shutdown.

Low Water Cut-out Test

Procedure for testing the low water cut-out safety device.

Gas Pressure Switch Tests

Procedures for testing low and high gas pressure switches.

Fuel;Air Adjustments

Gas Pressure Adjustment

Guidance on adjusting gas pressure and checking readings.

Combustion Setup and Adjustment (CM300-CM399-CM500)

Procedures and settings for adjusting combustion for CM series.

NURO Control Setup & Adjustment

Dual Fuel Boiler Operation

Changing Fuel Types

Step-by-step instructions for changing between natural gas and propane.

Operations

NURO Control Panel

Details the NURO control panel components and functions.

Normal Lighting and Shut-down Procedures

Emergency Shut-Off

Procedure for immediate shutdown in an emergency.

Maintenance

Wiring Diagrams

Boiler Parts Identification (CM300-CM399-CM500)

Boiler Parts Identification (C750-C900-C1050)

Water Quality Standards for Hydronic Boilers

Installation and Quick Reference

Patterson-Kelley P-K MACH CM500 Specifications

General IconGeneral
BrandPatterson-Kelley
ModelP-K MACH CM500
CategoryBoiler
LanguageEnglish

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