PART 4: CONTROLS AND DISPLAYS
PB1319 (CAT. NO. 5296 ) —35— 22-01691 (R02/02)
• the speed of the blower that forces air through the core and into
the cab
• the amount of heat added to the recirculated cab air by the air tem-
perature control
In another system, the evaporator and blower are located in a ceiling-
mounted unit. This system’s control panel is mounted in the cover
piece of the unit located in the cab ceiling. It contains a rotary switch
to select blower speed (see illustration below).
To cool the cab, turn on the air conditioning system and adjust the
blower speed until comfortable. The amount of cooling is controlled
by
• the temperature of the evaporator core
• the speed of the blower that forces air through the core and into
the cab
NOTE: When the ceiling-mounted air conditioner isn’t in
regular use, operate it for at least 5 minutes at least once a
month. This will lubricate the seals in the system
OFF
RED DOT CORP
LO
MED
HI
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