Unit Description
39
F25 7.5A HPCO Switch Circuit
F4 Remove fuse F4 for Model 30 units with Australian
Bosch or Thermo King Alternators. Install fuse F4 for
Model 50 units with Prestolite Alternator.
F5 The F5 preheat fuse is a “slow blow” type. It is
designed for use with the Yanmar engine air heater.
Always replace the fuse with the TK specified fuse.
F10 When fuse F10 is installed in the upper position the
On/Off keys on the HMI turn the unit on and off. When
fuse F10 is installed in the lower position the unit will
start and run without the HMI control panel.
F15 The device identified as F15 is a poly switch. These
over-current devices reset automatically and are not
replaceable.
Fuse Size Function
1. Control Box
Figure 14: Control Box With Service Door Open
1
Unit Description
39
F25 7.5A HPCO Switch Circuit
F4 Remove fuse F4 for Model 30 units with Australian
Bosch or Thermo King Alternators. Install fuse F4 for
Model 50 units with Prestolite Alternator.
F5 The F5 preheat fuse is a “slow blow” type. It is
designed for use with the Yanmar engine air heater.
Always replace the fuse with the TK specified fuse.
F10 When fuse F10 is installed in the upper position the
On/Off keys on the HMI turn the unit on and off. When
fuse F10 is installed in the lower position the unit will
start and run without the HMI control panel.
F15 The device identified as F15 is a poly switch. These
over-current devices reset automatically and are not
replaceable.
Fuse Size Function
1. Control Box
Figure 14: Control Box With Service Door Open
1