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TK 55711-19-OP-EN
turned on (Standby) then turned off. The STBY indicator on the HMI Control
Panel will be illuminated.
Deactivate
Monitor Mode will be deactivated and system will begin HVAC operation if
the operator presses the On/Off button at the HMI, changes the Mode
selection, or changes the Fan Speed selection. The selected HVAC mode will
activate. The STBY indicator on the HMI will turn off. The system will
continue to monitor battery voltage and engine coolant temperature (if the
Arctic Option is installed).
Operation
While Monitor Mode is active the APU will continue to start and stop as
necessary to maintain battery voltage and engine coolant temperature (if the
Arctic Option is installed). While in Monitor Mode the system will not react to
changes in cab temperature. TriPac Cool, Heat, and Fan modes will remain
off.
Battery voltage sensing is enabled. When battery voltage falls to the level set
by Battery Voltage Restart Value (default 12.2 Vdc), the APU engine will start
to charge the batteries. The engine will continue to run until the Charge
Current Shutoff Value setting has been reached (default 12 Amps).
If the Arctic Option is installed and enabled, the truck engine coolant
temperature is monitored. If the engine coolant temperature at the Water
Temperature 2 (WT2) sensor in the returning coolant line falls below 35°F
(1.6°C), the APU engine will start to warm the truck engine. It will continue to
run until the returning coolant temperature rises to 55°F (12.7°C).
Monitor Mode may be disabled through Programmable Settings > Switch To
Monitor > NO. If disabled the system will return to the mode it was in when
the TriPac system was turned off or the system entered Standby mode.
N
No
otte
e:: This is not the recommended setting. Refer to the TriPac Evolution
Diagnostic Manual TK 55739 Section 3, Software Settings, Switch to
Monitor for more information.
Engine Load Management
To maintain Tier 4 engine emission levels, engine load may be reduced
under some conditions.
