KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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A failure to obey these rules can lead to increased discharge of the accumulator of the
vehicle, from which the start-up is performed or to a failure of its generator.
4.14 HVAC system operation
The system can be operated in the mode of ventilation, heating and air conditioning.
Ventilation
In order to perform forced air supply into the cabin it is necessary to switch on the fan (handle 9
(Fig.12)) into one of the positions 1, 2 and 3.
Heating
Two heaters serve for heating the cabin. The autonomous heater
ОС-8, pos. 1 (Fig. 20) is
located t
o the left of the driver’s seat. The heater fans are activated by button 38 (Fig. 1, 2, 3, 4).
The second heater, pos. 2, is located under the cabin roof with an evaporation-heating unit of
the air conditioner. The hot fluid supply is performed by activation of the valves
– one valve
(pos. 3) located in the supply line to heater
ОС-8, and the other valve (pos. 4) located under the
left front pillar of the cabin.
Fig. 20 Heating system
1
– heater ОС-8; 2 – heater of the evaporation-heating unit;
3, 4, 5
– valve ВС11; 6 – pipes; 7 – connecting hoses
