64
1.
Set the ON/OFF switch to OFF or 0 respectively.
2.
Undo both screws on the underside of the front
panel.
3.
!
Please note
The cables between the programming unit
and the wiring chamber can suffer damage.
Take care when removing the front panel
and observe the length of the cable (approx.
60 cm tolerance).
Put the front panel to one side and secure it
against falling over.
4.
Carefully remove top panel (see page 49).
Overview of electrical components
See from page 31.
Overview of internal components
Fig. 41
1
Wiring chamber
2
Safety high pressure switch, stage 1
3
Safety high pressure switch, stage 2
4
High pressure sensor
5
Low pressure sensor
6
Electronic expansion valve (EEV)
7
Compressor 2
8
Compressor 1
9
Sight glass, oil level, compressor 1 and 2
qP
Filter dryer
qW
Plate condenser
qE
Plate evaporator
qR
Return temperature sensor, primary circuit (outlet)
qT
Flow temperature sensor, secondary circuit (outlet)
qZ
Flow temperature sensor, primary circuit (inlet)
qU
Return temperature sensor, secondary circuit
(inlet)
qI
Sight glass, refrigerant
Repairs
Removing the front panel and top panel
5838144
Maintenance
Summary of Contents for Vitocal 300-G Pro BW 302.D090
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