Removing the Series 255 Control Module for Servicing
1. Unplug the transformer cable from the control.
2. Shut off water supply or put bypass valve(s) into
bypass position.
3. Remove cover (Figure14) and with a screwdriver,
relieve tank pressure by pushing open valve
number 6 (at rear) (Figure15).
Figure 14
Figure 15
4. Remove screw in locking bar (Figure 16).
Figure 16
5. Apply downward hand pressure on control and pull
locking bar out (Figure17).
Figure 17
6. Using a rocking motion, lift control from the tank
adapter (Figure18). If O-rings come off with the
control put them back into tank adapter sockets.
Lubricate O-rings with silicone lubricant.
Figure 18
7. To replace control module, reverse above
procedure.
Outlet
Drain
Inlet
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