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 66
19. If there is a noticeable accumulation of debris on the fireside of the heat exchanger behind the
inspection cover, it may be necessary to wash the fireside for several additional minutes.
Reseal the inspection cover and continue washing through the burner hole.
20. If the accumulation of debris on the fireside of the heat exchanger requires additional cleaning,
serrated cleaning tool which is available from Patterson-Kelley.
21. Reconnect the condensate tubing to the condensate neutralization tank.
22.
CAREFULLY
insert the burner into the burner hole. Support the burner so it remains horizontal
while inserting.
23.
Once the burner is installed, reinstall the gasket over the burner’s flange.
24. Reinstall the right angle burner hood casting and tighten the M12 flanged nuts.
25. Once secured to the burner flange, bolt the right angle burner hood casting to the air plenum
casting with the 3/8”-16 bolts. Ensure the gasket between the burner transition piece and
blower transition piece is in place.
26. Reinstall the ignition electrode assembly (if previously removed).
27. Reinstall the flame/ionization rod assembly (if previously removed).
28. Reinstall the wires/cables to the ignition electrode and flame/ionization rod.
29. Double check the tightness of all bolted joints.
Maintenance and Inspection Schedule
This schedule applies when the boiler is in constant use. The section is divided into critical Semi-
Annual and Annual Maintenance followed by scheduled routine maintenance.
After Repairs or Maintenance
Following any major repairs or preventative maintenance, follow the steps below before returning the
boiler to service.
and all safety checks in
2. Check the gas pressure, refer to
to ensure proper operation of the boiler.
3. Perform combustion check (Refer to
) and adjust air/gas mixture at high fire & low fire if
the O
2
% or CO
2
% are out of range.
NOTE
If the original gasket is torn or damaged, replace with a new gasket!
NOTE
Installation and service must be performed by a qualified installer or service agency that has been
trained on the Patterson-Kelley boiler!
