MTW BELARUS 952.5, Руководство оператора

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952.5-0000010 OM
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1 – fuse; 2, 3 – warning LED of yellow color; 4 – electromagnetic relay; 5 – warning
LED of red color.
Figure 2.21.6 – Protection and switching unit
Information on assignment and rating of fuses and on assignment of relays is given
in Tables 2.6 and 2.7 accordingly.
Electric connection of bundles of electronic control systems to connectors X1…X3
(Figure 2.21.6) and to leads XT1…XT3 of the PASU shall be carried out in accordance
with table 2.8.
Table 2.6 – Assignment of PASU fuses
Fuse identifi-
cation
Assignment of fuse
(protected electric circuit)
Fuse rating
F1 Power to EECS (terminal 30) 30 А
F2 Power to heavy-duty relay (not used) 5 А
F3 Power to information display 5 А
F4
Protection of circuit of power supply after the in-
struments are on (terminal 15)
7,5 А
F5
Protection starter actuation control circuit (terminal
50) (not used)
5 А
F6 Power to testing equipment 5 А
F7 Power to cigar lighter 20 А
F8 Power to electrical socket 25 А
F9 Power to SCR heater 30 А
F10 Protection of heater “ground” circuit 30 А