Webasto HL 90 Notice D'utilisation Et D'entretien page 27

Operation with a cabin thermostat
With the cabin thermostat (mechanical), it is possible to select between full
load/part load or part load/off operating modes.
GB
• Full load/part load operating mode
The heater switches over to part load operation when the temperature set on
the cabin thermostat is reached (upper switching point of the cabin thermostat).
The heater is switched back to full-load if the temperature drops to the lower
switching point of the cabin thermostat.
• Part load/off operating mode
The heater is switched off when the temperature set on the cabin thermostat is
reached (upper switching point).
The switch-on indicator remains lit.
26
Cabin thermostat