P-K MACH
®
Gas Fired Boiler
Technical Service 1.877.728.5351
Revised: January 3, 2020
Released: January 3, 2020
Patterson-Kelley 2020
All Rights Reserved.
1004905981 P-K MACH C1500H-C4000 Installation and
Owners Manual (Rev F Jan-2020).docx
Page 60
5.1.2 Factory Tests
Safe lighting and other performance criteria were met with the gas manifold and control assembly
provided
on this boiler when the boiler underwent factory tests specified in ANSI Z21.13/CSA
4.9, latest
edition. (See "Factory
Firetest" label).
Normal Lighting and Shut-down Procedures
5.2.1 Normal Lighting Procedures
1. Make sure the system is filled with water and water is circulating in the system. Turn on
electrical supply and open the gas supply valves to the boiler.
2. Turn the on/of
f switch to the “On” position. If an error is indicated, refer to the NURO Advanced
User’s Guide to troubleshoot the problem and take necessary corrective action before
proceeding.
3. Set the desired high temperature limit and operating temperature. The NURO controller will
now begin the automatic firing sequence.
5.2.2 Normal Shut Down Procedures
1. Allow the boiler to turn off on its own once the
temperature satisfies, or remove the call for heat
to the boiler.
2. Once the boiler completes a succe
ssful “Post-
Purge” and “Post-Pump”, it will return to “Standby”.
3.
Once in standby, turn the on/off switch to the “Off”
position.
4. Close all manual gas valves to right.
5. Turn off the electrical disconnect to the boiler.
Emergency Shut-Off
In case of emergency, shut off the gas supply at a valve
external to the boiler. See illustration on the right for valve
locations. The upper shut off valve is for Propane Gas
and the lower valve for Natural Gas.
Gas Shutoff
