Ingersoll-Rand Thermo King V-520 10, Operator'S Manual

Page: 18 / 74

Unit Description
18
Figure 7: Evaporator
Evaporator
The evaporator is mounted on the ceiling inside the truck box.
Control Circuits
The control circuits operate on 12 and 24 VDC supplied by the
truck batteries for engine operation. On standby operation, the
power is rectified from an AC transformer.
Electronic Control System
Thermo King direct drive refrigeration units are composed of a
condenser unit, an evaporator unit (two evaporators in
multi-temperature units), a vehicle compressor (in models with
electric standby there is a second compressor that is driven by
an electric motor) and a control panel (In-cab Control Box) that
operates the unit.
Figure 8: In-Cab Control Box
AMA510
ASA246
Unit Description
18
Figure 7: Evaporator
Evaporator
The evaporator is mounted on the ceiling inside the truck box.
Control Circuits
The control circuits operate on 12 and 24 VDC supplied by the
truck batteries for engine operation. On standby operation, the
power is rectified from an AC transformer.
Electronic Control System
Thermo King direct drive refrigeration units are composed of a
condenser unit, an evaporator unit (two evaporators in
multi-temperature units), a vehicle compressor (in models with
electric standby there is a second compressor that is driven by
an electric motor) and a control panel (In-cab Control Box) that
operates the unit.
Figure 8: In-Cab Control Box
AMA510
ASA246