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Installation (continued)
Station Valve Installation
Up to two 24VAC solenoid valves can be
connected to each station output and wired
back to the Common (C) connector
With long cable lengths, voltage drop
can be significant, especially when more
than one coil is wired to a station
As a good rule of thumb select your cable
as follows: 0–50m cable dia 0.5mm
L 50–100m cable dia 1.0mm
L 100–200m cable dia 1.5mm
L 200–400m cable dia 2.0mm
When using multiple valves per station, the
common wire needs to be larger to carry more
current. In these circumstances choose a common
cable one or two sizes larger than required
When making connections in the field, only
ever use gel filled or greased filled connectors.
Most field failures occur due to poor
connections. The better the connection here,
and the better the waterproof seal the longer
the system will perform without trouble
To install a rain sensor, wire it between the Common
(C) and the Rain Sensor (R) terminals as shown
1
2
3
4
5
6
7
M
8
9
RAIN
SENSOR:
OPTIONAL
24VAC C R M 1 2 3 4 5 6 7 98
C
PRO469 Manual 2021 v1.indd 14PRO469 Manual 2021 v1.indd 14 15/1/21 9:40 am15/1/21 9:40 am
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