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JP FJH-4/1C-E - Page 21

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JP Heater
17
DC12V Power Supply
the heater's electrical wiring, switches, and control
equipment must be in locations that would not adversely
affect its operation under normal operating conditions.
The heater has reverse polarity protection. If the
controller is not connected correctly, the LED indicator
will not work.
To ensure the best power supply, the heater must be
connected to the vehicle power supply (or battery)
protected by the fuse (10A) with a 2 x 2.5 mm2 cable (2
x 4 mm2 for lengths over 6 meters).
If necessary, the voltage drop of the power supply line
must be considered. Connect the negative line to the
main ground line.
If the heater is directly connected to the battery, the
positive and negative lines must be protected.
Do not connect other power consuming devices.
Fuel Pump Electrical Connection
Make sure the plug is securely connected.
Figure 23
Figure 24