UNDERSTANDING YOUR INSTRUMENT PANEL 129
4
Settings with the A uxiliary Heater switched on
(only with Water Heater)In preheat mode, the blower is automatically switched
on at blower speed 1 when the water heater is switched
on. When driving, the airflow control switch (2) can be
set as desired.NOTE: Only on vehicles with automatic heater
control/regulated air conditioner:
Before switching on the heater or entering the switch-
on time, the temperature control (1) must be set to
maximum heater output (as illustrated).
Set the air distribution control (3) as required between
Y and Z.
AUXILIARY HEAT EXCHANGER IN LOAD
COM PA RTM ENT, ONLY WI TH A UXILIA RY WA TER
HEATER (OPTIONAL)
The auxiliary heat exchanger switch
is located on the right next to the
steering column.
Freightliner-all.book Pag e 129 Monday, December 1, 2003 2:54 PM