GESTRA SRL 6-50, Оригинальная инструкция по установке

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11
In the system: Wiring the logic unit
- continued -
9
Female connector of sensor M12, with 8 poles
0
Male connector of sensor M12, with connecting cable
a
Conductor marking at one end of the connecting line
b
Terminal box (provided on site), installed close to level pot
c
Limit switch of valve
d
Spring-loaded terminal strip with 14 poles, conductor size 2.5 mm
2
e
External bridge on terminals 6 / 7 for high level alarm (level electrode NRG 1X-51)
f
External bridge on terminals 5 / 8 for water level limiter (level electrode NRG 1X-50)
in hot-water plants
g
Terminals in control cabinets for providing the supply voltage and for
connecting the logic unit and the level switch
h
Connection for supply voltage 24 V DC with 0.5 A semi-delay fuse provided on site
(see “Technical Data”)
i
External indication of deactivation (Stop), 24 DC 1A
j
External indication of purging time (Standby), 24 DC 1A
k
External indication of standby time (Start), 24 DC 1A
l
Level switch NRS 1-50, NRS 1-51, connection: first standby input and first signal output
m
Second logic unit SRL 6-50
n
Level switch NRS 1-50, connection: second standby input and second signal output
Key