70
TK 56430-18-IP-EN
12 Vdc Positive Ignition Connection
IImmppoorrttaanntt:: Please seek advice from the vehicle manufacturer for correct connection. Most vehicle manufacturers have
a Body Builder Guideline Web Portal, to get the information registration is usually required. The method we
are showing here may not be compliant with some.
The HMI controller ((0011)) wire must be connected to the vehicle’s ignition switch OONN circuit. An in-line mini fuse
assembly is supplied with a sealed splice connector attached and must be attached to the HMI controller power ((0011))
wire. This power wire then must be connected to a fused circuit of the vehicle to provide power to the in-cab controller
only when the ignition switch is in the ON position.
IImmppoorrttaanntt:: No other means of fused power connection is allowed.
Always follow this procedure when connecting the 4 amp in-line fuse power connection to the vehicle’s fused ignition
ON circuit:
1. Cut power wire (01) to appropriate length, attach to in-line fuse
splice connector and crimp.
2. Attach fused power (01) wire to ignition ON circuit. Ignition
connection will vary by application.
AC High Voltage Power Cable
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Units equipped with the standby option (Models 20 and 50) come pre-wired from the factory with a power cable
attached to the remote receptacle box. The installer needs only to route and secure the cable and box onto the vehicle.
NNoottee:: A standby power cable with mating connector plug will be required by the customer to attach to the truck’s
receptacle box. Thermo King recommends that only a correctly sized and fused power source be used for electric
standby operation. Specific information regarding fuse, circuit breaker and power cord requirements can be
found in the unit’s Operator’s Manual. Standby power cable wiring connections for both the connector plug and
receptacle for each available voltage option are included on the next page of this manual.
Receptacle Box Installation
Always follow these requirements when installing the standby receptacle onto the vehicle:
• The receptacle box must be installed securely to the exterior of the vehicle. It must be easily accessible while not
interfering with the driver’s visibility or operation of the vehicle.
• The power cable must be routed and secured adequately to the vehicle.
• A drip loop is required on the power cable to prevent water from traveling directly down the cable and migrating
into the receptacle box.
IImmppoorrttaanntt:: DO NOT roll up the excess electrical wire or create splices in the electrical wire.
SSeeccttiioonn 77 -- EElleeccttrriiccaall SSttaannddaarrddss
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