Thermo King 920000, Manual

Page: 46 / 190

Operating Instructions
46
Other situations which may cause the engine reset
to open are:
• Engine runs out of fuel.
• On/Off switch is left on accidentally without
the engine being started.
• Engine does not start after cranking.
• High refrigerant pressure causes the high
pressure cutout to stop the engine.
On/Off Switch:
This switch supplies power to the
circuits in the unit.
• On position: This switch energizes the
electrical system for the unit.
• Off position: This switch de-energizes the
electrical system and the unit will not operate.
Preheat/Start Switch:
When held on Preheat, this
switch energizes the glow plugs in the diesel
engine to aid in starting. When held on Start, this
switch energizes both the glow plugs and the
starter which cranks the engine.
Run Hourmeter (Optional On Model 50):
The run
hourmeter records the total number of hours that
the unit has been in operation.
Electric Operation Hourmeter (Optional On Model
50):
The electric operation hourmeter records the
total number of hours that the electric motor has
been in operation. This meter can be used to
determine proper maintenance intervals.
Engine Hourmeter:
The engine hourmeter records
the total number of hours that the diesel engine
has been in operation. This meter can be used to
determine proper maintenance intervals.
TG-V In-Cab Controller for
Multi-Compartment Units
The programmable TG-V displays temperature
and alarm conditions. It also functions as a
thermostat and a defrost timer for the unit.
The TG-V In-Cab Remote Control Box provides
convenient on-the-road unit control from inside
the truck cab. It includes the following:
Temperature Display (Zone 1):
This digital
temperature display indicates the temperature of
the air returning from the cargo box to the Zone 1
evaporator.
Temperature Display (Zone 2):
This digital
temperature display indicates the temperature of
the air returning from the cargo box to the Zone 2
evaporator.
Power Cord Indicator Light (Model 50):
When this
red light is on, the Electric/Diesel switch is in the
Electric Standby position and the truck ignition is
on.
O
FF
Key:
Used to turn off the controller and stop
the engine or standby motor.
O
N
Key:
Used to turn on the condensing unit and
the controller. Zone 2 can be turned off by
pushing the
O
N
key a second time.
NOTE: The main unit On/Off switch must be set
to On before the In-Cab Controller can be
turned on. The unit will automatically start.
Also, the In-Cab Controller must be on before
the main unit can be started.
WARNING: Do not operate the TG-V
until you are completely familiar with the
meaning of each display symbol, and the
function of each control key.