Webthe apu starts if the battery voltage goes below the level you specify here. Setting the voltage level notice factory default voltage setting is 11. 8v. Range is 11. 0v to. With the apu and truck engines running, open the thermostat bleed valve and let any trapped air escape until a steady stream of coolant flows from the valve. Webthe truck must be equipped with a minimum 240 amp alternator. This guide has been prepared for the operator of carrier transicold comfortpro electric auxiliary power units. The checks outlined in this guide will help to minimize. Websep 13, 2017 · troubleshooting a stop engine code on a carrier apu / comfort pro apu. Temp code and censor troubleshoot and repair. Webbrowse online or download carrier pc6000 service manual 60 pages. Power supply units carrier pc6000 user manual pdf download free [3. 29 mb]. Webprevent the apu from operating when the truck engine is running. The apu is designed to be started when the truck engine is not running. When the main engine interlock option. Webmanuals and user guides for carrier comfortpro pc6000 power unit. We have 1 carrier comfortpro pc6000 power unit manual available for free pdf download: The apu is started and stopped using the apu on/off button located on the dcp.