Nilfisk-Advance R 253 9087362020 Service Manual page 38

Service Manual – Scrubtec R 253 - RA40
Function Electronic Board (EB1) Connectors (Continues)
(Figure 21) Drive connections (Ø3.6mm male RADSOK terminals - AMPHENOL P/N N01 036 6501 001 or equivalent)
Ref. Description
M1 Drive system motor +
M2 Drive system motor -
Figure 21
(Figure 22) Vacuum connections (2-way male parallel faston connectors, 6.3x0.8 – spacing 6.5mm)
Ref. Description
VA+
Vacuum system power supply +
VA-
Vacuum system power supply -
Figure 22
Electronic board
V ref.
in/out
out 0-24V
out 0-24V
Electronic board
V ref.
in/out
out 16-24V
out 0V
Control System
I max. Connected to
70A M3+
70A M3-
I max. Connected to
30A M2+
30A M2-
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