Purpose Of This Document; Common Abbreviations - Patterson-Kelley P-K MACH CM300 Installation & Owner's Manual

1.1 Purpose of this Document

It is the purpose of this Installation and Owner's Manual is to provide complete documentation support
®
for P-K MACH boilers featuring NURO
produce high quality HVAC products. Our operation is based on the premium quality control program
and insures that Patterson-Kelley
The primary concern of all Patterson-Kelley equipment installation procedures is Safety. Safety
instructions and considerations are presented and repeated throughout the document as needed. If
you have any questions on the information contained within, or do not fully and completely understand
the content, please contact Patterson-Kelley Technical Service at 570.476.7261 or toll free at
877.728.5351.

1.2 Common Abbreviations

Abbreviation Description
AMP Ampere or Amperage
ANSI American National Standards Institute
ASME American Society of Mechanical Engineers
AWG American Wire Gauge
BTU British Thermal Unit
CH Comfort Heat
CO Carbon Dioxide
2
CSA Canadian Standards Association
CSD-1 Controls and Safety Devices
CPVC Chlorinated Polyvinyl Chloride
DHW Domestic Hot Water
HWR Heating Water Return / Hot Water Return (From Building)
HWS Heating Water Supply / Hot Water Supply (To Building)
ID Inside Diameter
MBH Thousands of BTU / Hour
MFD Modu-Fire Forced-Draft Series Boiler or Water Heater
MODBUS A serial communication protocol (not an abbreviation)
NFPA National Fire and Protection Agency
NTC Negative Temperature Coefficient
O Oxygen
2
OD Outside Diameter
OEM Original Equipment Manufacturer
SCFM Standard Cubic Feet per Minute
SMACNA Sheet Metal and Thermoplastic Duct Construction Manual Air Conditioning Contractors
National Association
TB<#> Terminal Block (1, 2, 3 etc.)
VAC Volts Alternating Current
VDC Volts Direct Current
Revised: January 3, 2020
Released: January 3, 2020
®
controls. Patterson-Kelley
manufactures quality products.
 Patterson-Kelley 2020
All Rights Reserved.
®
P-K MACH
Technical Service 1.877.728.5351
is constantly seeking ways to
1004905980 P-K MACH CM300-CM500&C750-C1050
Installation and Owners Manual (Rev F Jan-2020).docx
Gas Fired Boiler
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