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12. Connection of automatic flushing
Some of the sensors are equipped with built-in flushing nozzles. The nozzles are used to
direct the cleaning fluid, compressed air or water, through a ¼”hose, (33ft. /10m long)
that is connected on the top of the sensor housing. The air or liquid is controlled with a
solenoid valve that is wired to the BB2 control box relays. The solenoid valve is
connected to relay contact 1 or 2, which must configure or setup in the sensor menu.
1. Set the jumpers CN 3, 4, 5, 6, 7 and 8 to the proper voltage or power of the
solenoid valve. (See Figure 3).
2. Connect the solenoid valve to relay contact 1 or 2 (Relay 1 – terminals 10/11 or
Relay 2 – terminals 12/13). NOTE! If relay 1 is set for alarm then relay 2 can be
used for flushing, and vice versa.
3. Configure the relay for cleaning in the sensor menu under
“Settings/Cleaning/Relay”(refer to the sensor manual).
4. Check that flushing water/air pressure does not exceed 120 psig or 8 bars rating
of solenoid valves.
Cerlic provides suitable valves for flushing and an Aluminum handrail mounting plate
predrilled for the solenoid valves to give an easy way of mounting the flushing system.
The mounting plate can be used for wall or rail mounting.
The plate has holes for one or two flushing valves as well as a junction box. The valves
can be mounted with their inlet on the right or left hand side, the plate is prepared for
both.
Mounting plate 10605533 (non US version) with two
solenoid valves 11705516, and a junction box
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