Xylem Fixed speed booster sets programming manual/Electronic control board SM30 - Manual (Page 42)

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42
2 DAY
Setting of the day autotest is to be
performed (parameter active only if the
command source is set as INTERNAL
CLOCK) MON
..SUN MONDAY
3 HOUR Setting of the hour when autotest is to
be performed (parameter active only if
the command source is set as INTERNAL
CLOCK) 0..24 h 10
4 MINUTES Setting of the minutes when autotest is
to be performed (parameter active only if
the command source is set as INTERNAL
CLOCK) 0..60 min 00
How to st
How to st How to st How to start autotest art autotest art autotest art autotest
The periodic autotest is activated by:
- an external command, connected to the digital input AUX1
or
-
the board internal clock
If the request arrives during operation of the pumps, autotest will be put in standby and this message
will appear at regular intervals:
AUTO
AUTOTEST PENDING
As soon as the set has all the pumps off, autotest will start with the following message
AUTOTEST P1
AI1 +###.## bar
During the pause between testing one pump and the other the following message appears:
AUTOTEST STAND
AI1 +###.## bar
If the autotest has had a negative result the following message appears:
AUTO
AUTOTEST FAIL P#
Autotest execution phases Autotest execution phases Autotest execution phases Autotest execution phases
The test is composed of the sequences:
a) Receiving the command.
b) Opening the solenoid valve on the set by the control of the SOLENOID VALVE relay.
c) Starting the first pump.
d) Closing the solenoid valve.
e) Stopping the pump being tested after two minutes.
f) Waiting one minute.
g) Performing test on next pump.