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16.1.7.3
Control of a device with a potential-free control input
Some devices have a potential-free control input. The input can be connected directly to the universal switch output of Pool Relax:
1
Output OUT1 / OUT2 terminal
2
External device with volts-free control input
to be switched on and off
3
Control Input for volts-free switching contact
If an input of this type is available, it should be used whenever possible instead of switching the power supply of the device on and off.
16.2
Mounting of an additional cable feed-through
An additional cable feed-through must be created in order to connect an external device (e.g. lighting) or an external sensor (e.g.
paddle flow switch) to the Pool Relax. There are push-outs on the bottom and sides of the front housing cover of the Pool Relax for this
purpose.
Proceed as follows:
Select the push-out closest to the connecting terminal you wish to use.
Press from the inside against the centre of the push-out until you can see the round shape on the outside of the housing. Now
press from the outside against the centre of the circle. Repeat this step until the circular push-out is detached, leaving a round hole.
If the hole is not perfectly circular, you can round it off carefully using a suitable file.
Now place the gable gland in the hole from the outside and lock it in position from the inside with the cap nut.
Press from the inside
Press from the outside
Push opening out
Grommet from
the outside
Cap nut inside
Proceed as follows to feed a cable through the cable grommet:
Unscrew the nut of the cable gland until it is positioned on the very end of the thread. Alternatively, you can remove it completely.
Remove the plug, leaving the seal in the screw fitting.
Feed the cable through the nut and the cable gland into the clamping cavity. Make sure there is an adequate length of cable on the
inside of the housing cover.
Connect the cable as shown in the connection diagram.
Tighten the nut (without exerting excessive force) to achieve reliable sealing.
Summary of Contents for Pool Relax Bromine
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