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 106
7.4.3 Main Power Box (C-3000 & C-4000 Only)
Mark
Description
Mark
Description
1
Control Transformer
4
Grounding Terminal
2
Blower Motor Relay
5
20A Three Phase Breaker (Incoming Three Phase
Power)
3
Fuse Holder
2
1
3
5
4