240V 50/60Hz
Black
Line 1
Black
Line 2
4 X 40 AMP Class H Fuse
Earth Ground
Threaded Case
Ground Stud
5 Volts DC
RJ12
To UIC or
RS485
Adapter
Thermo Switch
Level Switch
UIC
OR
RS485
Adapter
5. Make Electrical Connections
DANGER: Risk of electrocution. Disconnect all power before performing these installation steps.
IMPORTANT! All electrical work should be done by a licensed electrician.
IMPORTANT! Do not install a GFCI to this unit. This will prevent nuisance tripping.
IMPORTANT! All electrical wiring must be done in accordance with local codes.
Turn off all electricity to the working area at the main breaker panel.
Connect 240 VAC electrical lines to the wires labeled "1" and "2" coming out of the steam generator.
Each steam generator should have a dedicated circuit breaker.
Kohler Co.
Fuse Block
4 Pole
Black
Black
Black
Black
J7 J3
J2 J1
Power Supply Board
J4
J5
J6
Red
UIC Pigtail
Coupler
Control Wiring
White
4 Pole Contactor
C1 C2
L1
T1
L2
T2
L3
T3
L4
T4
LFuse 1A
165F
Thermostat
LFuse 1A
Tank
Preheater 85w
Inner Tank Assembly
50' (15.2 m) Cable
Splitter
72" (182.9 cm) Cable
11
Black
Black
Black
Black
Power
Clean
Solenoid
Heater Element
Assemblies
Wiring Diagram
10" (25.4 cm) Cable
Generator #1
Generator #2
1053777-2-B