Instruction Manual

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PARKING AIR HEATER

Fig.19

5.4 Installation of Electrical Components

5.4.1 Main wire harness

The connection diagram for the main wire harness and

heater as Fig.19. The wires of the main device that

require connection to external circuits have been

gathered into wire bundles, which can be laid to suit the

positions of the various components, and fixed in

appropriate locations. The distance between two fixing

points shall not exceed 300 mm.

5.4.2 Battery connection

Connect the RED wire on the fuse box to the PLUS

terminal of the vehicle's battery; connect the BLACK wire

to the MINUS terminal.

5.4.5 Avoid short-circuit

The end of each wire shall be wrapped with insulating

tape to prevent short circuits.

5.4.3 Fuel pump connection

Connect the fuel pump leads to the fuel pump.

5.4.4 LCD control panel

Install the control panel in a position allowing conve-

nient operation, arranging it to make observation of

the indicator easy, thus spermitting convenient

identification of the heater’s operating status (eg

operating/stopped). The terminals of the control panel

lead wires shall be inserted into the socket, then

connected to the main harness connector using its

self-locking mechanism.

Any wire bundle exposed outside the vehicle body or outside

a wiring duct must be protected with corrugated piping.

Main harness connector

Main harness socket

PARKING AIR HEATER

5.5 Installation of Combustion Air System

5.5.2 Installing the pipes

Only the combustion air pipe and exhaust pipe provided

with the heater may be used. The air inlet is an alumi-

num pipe bellows, the exhaust is a stainless steel pipe

bellows. These must be installed correctly, and in

particular CANNOT BE INTERCHANGED during installation

(eg the aluminum pipe bellows is only suitable for use as

the inlet, and cannot tolerate hot exhaust gasses.)

Please use the clamps provided to mount them tightly.

5.5.3 Direction of pipes

Both the air inlet pipe and exhaust pipe shall exit the

heater in an outwards and downwards direction. If

either of these pipes must be bent, the sum of the

angles of all its curves shall not exceed 270°. Please

refer to Fig.20, below.

The pipes openings shall not face towards the direction

of the running vehicle, or be positioned in way that

allows blockage by slurry, snow or dirt.

- Air for combustion must be fresh air sucked in from outside the vehicle; fumes from combustion must be discharged to outside the

vehicle via the exhaust pipe.

- The combustion air intake must remain free from any blockage at all times.

- The combustion air intake must be positioned to be sure that exhaust fumes cannot be sucked in mixed with the combustion air.

- The combustion air intake system shall be installed sloping slightly downwards.

- Where pipes pass through the vehicle’s outer walls or underside, please take measures to prevent entry of water splash into these pipes.

Fig.20

Direction of the running vehicle

Direction of the wind