Patterson-Kelley MACH C-1500H Installation & Owner's Manual page 27

Low Voltage (TB1) Terminal Block
Control Transformer
Main Power Connection
Box
Revised: January 3, 2020
Released: January 3, 2020
 Patterson-Kelley 2020
All Rights Reserved.
®
P-K MACH
Technical Service 1.877.728.5351
High Voltage (TB2) Terminal
Block
Do not over-tighten the hot lead
terminal screws. Maximum
tightening torque = 13 in-lbs!
NOTE
The hot lead terminals can
accommodate maximum 12
AWG wire. The ground
terminal can accommodate
maximum 8 AWG wire.
1004905981 P-K MACH C1500H-C4000 Installation and
Owners Manual (Rev F Jan-2020).docx
Gas Fired Boiler
Page 22