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6.25
Common alarm relay set-up:
The Common alarm relay (relay 3, Fig. 25) can be configured via the Advanced
setting menu to activate when one of the following alarms are displayed on
the
screen:
This will allow remote monitoring of an alarm to help fault find or monitor the
system
condition.
The Common alarm relay can also be configured via the Advanced setting
menu to be open circuit (NO) or closed circuit (NC) when the alarm is active
allowing the output signal to be changed
6.26
Hydraulic commissioning:
Ensure both inlet and outlet hydraulic connections are made using the
supplied rubber sealing washer and are watertight.
Turn on water supply to the unit – Check for leakage and operation of fill
valve.
Allow the tank to fill and water level to stabilise. Adjust the float of the
fill valve to set the water level if needed.
Bleed pumps by undoing the slot
head bleed screw on the pump body
by ½ a turn until water can be seen to
flow
out.
Nip up, do not over
tighten
.
Close isolation valve on the outlet of
the
unit.
Turn the electrical supply
ON
to the
unit. The Calpeda start up logo will be
displayed and then the Home screen
will be displayed.
The unit will run briefly and then turn off after a pre-set run on time.
Due to the small size of the isolated system the unit will signal a Hi
pressure error and the red error light will illuminate on the front of the
unit, this is normal.
Open the isolation valve on the outlet of the unit and the unit will run and
start to fill the system.
6.27
For further technical support:
Phone Calpeda Ltd on 01869 241441. Our
staff are trained to help and advise you over the phone.
Hi pressure
Pressure above the Hi pressure alarm (1)
Lo pressure
Pressure below the Lo pressure alarm (4)
Low water level
Low water level is seen by they sensor in the tank.
Pump fail
A system pressure increase is not acheived in a 5 minute period.
Pump run time high
A pump has run for longer than the set Pump run time value, 10 to 60
minutes without stopping.
Pump activity high
A pump has started more than the Start Activity high value in 24 hours.
Sensor fail
The sensor input is above or below the normal input range.
Fig. 23
Summary of Contents for Duomat-E Series
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