Characteristics Of Coolant; Operating Limit Conditions; Fuse Section - Kohler 3APU-HC Manual

2 - General Description and Technical Data
2.3

Characteristics of Coolant

Recommended products:
Note: Avoid contact with fluorocarbon coolants. DO NOT service coolant system. Contact an Authorized Kohler Distributor/
Dealer for coolant service.
2.4

Operating Limit Conditions

Alternator operating
limits
Minimum charge
level of the vehicle's
battery required for
the 3APU- HC system
operation
2.5

Fuse Section

Fig. 6
12 Volt
F1 20 A – Condenser electric fan
F2 30 A – Starter motor terminal
F3 30 A – Evaporator general supply
TP-6576 12/07b
Fluorocarbon coolant: R-134a - ( TETRAFLUORETHANE ).
Compressor oil: PAG 46 or alternatively SP 10 or SP 20
Refrigerant (R134a) in liquefied or
gas form. Can cause severe injury
or death.
Avoid inhalation or skin contact. Only a
qualified, EPA -certified technician should
perform service on refrigerant systems.
The 3APU- HC system uses an alternator that is able to supply enough energy to guarantee
the functions mentioned under Section 2.2 Heating and Cooling System.
In the event that the vehicle remains inactive for long periods of time, and furthermore, if the
system's battery charging function is deactivated, if the battery charge level falls below 10.5
Volts (minimum threshold for the 3APU- HC system to operate), the system will not be able to
start.
THIS MANUAL IS PROPRIETY OF
WARNING
F 6
Fig. 7
F4 10 A – Fuel electric fan
F5 10 A – AC compressor
F6 60 A – Glow plug general supply
- ALL FORMS OF REPRODUCTION, PARTIAL OR OTHERWISE, IS STRICTLY PROHIBITED
13
F 1
F 2
F 3
F 4
F 5