303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Air Conditioning and Heating Control Caterpillar


Air Conditioning and Heating Control
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303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators [SEBU8574]
OPERATOR STATION
AIR CONDITIONER GP
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Air Conditioning and Heating Control
1.1. Temperature Control
2.1. Air Control
3.1. Fan Control
4.1. Air Conditioning Control (If Equipped)


Illustration 1g02161303
(A) Vent for upper body (If equipped)
(B) Defroster vent
(C) Floor vent


Illustration 2g01195816
Air conditioning and heating equipped models
(1) Temperature control lever
(2) Air outlet lever
(3) On/Off and fan speed switch
(4) Compressor switch


Illustration 3g01232267
Heating only equipped models
(1) Temperature control lever
(2) Air outlet lever
(3) On/Off and fan speed switch

Temperature Control

Lever (1) controls the temperature. Move the lever to the right in order to increase the temperature. Move the lever to the left in order to decrease the temperature.

Air Control

Recirculate - Move lever (2) to this position in order to close the air inlet. The air will recirculate inside the cab.

Fresh Air - Move lever (2) to this position in order to open the air inlet. Fresh air will circulate into the cab.

Fan Control

On/Off and Fan Speed Switch (3) - This knob controls the air conditioning, the heater, and fan speed.

OFF - Move the knob to this position in order to turn off the air conditioning and the heater.

Low - Turn the switch to this position in order to operate the fan at low speed.

Medium - Turn the switch to this position in order to operate the fan at medium speed.

High - Turn the switch to this position in order to operate the fan at high speed.

Air Conditioning Control (If Equipped)

On/Off Switch (4) - Push the switch in order to turn on the compressor or push the switch in order to turn off the compressor. In humid conditions, the compressor may be used to remove moisture from the air in the cab. In cool weather, operate the compressor weekly in order to prevent leakage of the refrigerant gas. Weekly operation will help to maintain the compressor in optimum working order.

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