Cab Air Conditioning And Heating System - Belarus 1822.3 Operator's Manual

3.22 Cab air conditioning and heating system

The cab air conditioning and heating system is intended for creating and keeping a
normal microclimate in the tractor cab. The air conditioning system consists of two circuits
– heating and cooling. The system diagram is shown in figure 3.22.1.
The cooling circuit includes a compressor, a condenser, a filter-drain with a pres-
sure sensor, a monoblock unit of evaporator and heater radiator (heater/cooler), a
heater/cooler fan, connecting hoses, a set of quick-couplings (against order), electric ca-
bles, air filters, a cold air regulator and a fan switch. The heating circuit is supplemented
with hoses, connected with the engine cooling system of the tractor and with a shut-off
valve.
Figure 3.22.1 – Cab air conditioning and heating system
The compressor 7 (figure 3.22.2) is located to the left at the top of the engine, the
condenser 6 - in front of the charged air cooling radiator, the filter-drain 3 - on a bracket,
attached to the water radiator, the pressure sensor 4 - on the filter-drain 3, the heater-
cooler 8 - under the roof above a ventilation box panel, the cold air regulator and the fan
switch are located on the upper compartment panel, the service valves - on fittings near
the compressor 7 and the filter-drain 3.
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2022.3-0000010 OM