KHS temperature measurement valve
(Fig. 628)
rt
ws
Water sensor for leaks (Fig. 620 00)
wh
bn
In the as-delivered state, a cable
bridge
Terminals 22 and 23. This must
be removed before connecting the
KHS water sensor.
K410068602008-00 / 09.2018
[22] → wh (WH)
[23] → bn (BN)
is
plugged
between
KHS Free Drain (Fig. 688 00)
[22] → ws (WH)
[23] → br (BN)
ws
br
Potential-free alarm relay
[24] → 230V (2A) / 24V
[25] → OUT (fault)
[26] → OUT (operation)
Warning lamp
Signal horn
230V (2A)
24V
BMS
Monitoring example: Faults and
mains voltage failures are reported
with
network
warning horn or to the BMS.
10
In the as-delivered state, a
cable bridge is plugged
between Terminals 22 and
23. This must be removed
before connecting the KHS
Free Drain.
external
voltage
to
warning
lamp,
the
the
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