RigMaster LG200 Installation Manual
Section 9
August 2010 RigMaster Power International Ltd LG200 Service Manual
J1 connection
Connect the 10 pin harness J connector to J1 on power module.
Connect the green wire with the female spade terminal to the thermostatic
switch (top position).
Connect the black wire with an eye terminal to ground (HVAC box mounting
hardware is a good ground source)
White wire with a female bullet connector is an optional wire that does not
need to be connected at this time (block heater wire)
J2 Connection
Water valve to power module 8-pin harness (already connected from factory)
J4 Connection
Connect the 8 pin harness J connector to J4 on the power module.
Red wire with a bullet connector is an optional wire (when power is detected
the LG200 will shut down)
3 Pin Exterior Temperature Sensor (Ext. Sensor).
Figure 9-1
Connect the 3 pin temperature sensors J connector to the
power module. The exterior temperature sensor can be
routed to the exterior through the same hole as the
1 20V cable and engine wiring harness. If this is not ideal a
3/16” – 1/4” diameter hole may be drilled independently for
the sensor. This should be drilled after the AC unit is
mounted to determine the best location. Thread the sensor
through the floor so that 3”-4” minimum is exposed under the cab/sleeper. Ensure
that this sensor is located away from the exhaust system or other sources of heat
that might cause it to give a false reading. See that the sensor is sealed where it
enters and exits the vehicle.
Two Harness Wires
Connect the blue wire with the female spade terminal to the evaporator
thermostat (bottom position).
Connect the black wire with an eye terminal to ground (AC box mounting
hardware is a good ground source)
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