WS1”, 1.5” & 2” Series Watersoftener
Installation Operation Maintenance Manual
SIMPWS1 REV3 13/07/11 PAGE 8 OF27
5.2.2 Differential Pressure Switch (dP)
There is a dP input on Clack valves that can be used to carry out the following
functions depending upon the setting of step 4CS in the OEM programming
level
4CS set to OFF no function
4CS set to dPon0 if the dp switch is closed for an accumulative time of
2 minutes a regeneration will occur immediately
4CS set to dPdEL if the dp switch is closed for an accumulative time of
2 minutes a regeneration will occur at the scheduled regeneration time
4CS set to HoLD if the dp switch is closed a regeneration will be
preventing from occurring.
6.0 PROGRAMMING
6.1 INTRODUCTION
It is recommended that the commissioning of the plant is undertaken by a
trained service engineer, who will be able to put the plant into service
quickly, and most efficiently. However, if the services of an experienced
engineer are not available, following the steps outlined below will result in
the system being properly commissioned.
6.2 CONTROLLER SETTING - Site programming mode
All controller settings will require the valve to have the mains supply
switched on. The valve must not be regenerating when controller
settings are adjusted.
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