Description Of Keypad Functions - Kohler 3APU-HC Manual

3 - Operation and Use
3.8 Description of Evaporator Functions
This keypad located on the evaporator allows the user to program all the system functions.
Fig. 14 Fig. 12
1 POWER/REC.BATT – Main switch
Voltage position on panel (primary switch, enabling all system functions to be activated Fig. 7 p. 13)
–
O OFF position, totally DEACTIVATED (acts also as safety switch)
=
Automatic battery charge position (see 1).
If the battery voltage drops below 12.5 Volts, the Power Unit will set in to recharge the battery for about 6 hours (minimum
battery recharge). Once the battery is recharged, the system automatically switches off.
AIR Switch (Fan speed switch)
2
Allows the user to regulate the flow of air desired inside the cab.
3 TEMP Switch
Allows the user to set the desired temperature inside the cab.
4 Yellow LED - Glow plug status
Displays to the user, if the glow plug is preheating.
Before activating the engine starting button, wait until the yellow LED 4 of the "glow plug status" turns off (about 5
seconds).
5 Two-Colored LED (Red/Green) – Engine status
Shows whether or not the engine is running.
Red —> engine off
6 Orange LED – Heating status
Displays when the heat pump is working. LED lights up when system is in the heat mode.
7 Blue LED – Cooling status
Displays when the air conditioner's compressor is working. LED lights up when system is in the cooling mode.
TP-6576 12/07b
4
3
2
Green —> engine on
THIS MANUAL IS PROPRIETY OF
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