Overtemperature Disconnection; Upper Temperature Limit; Lower Temperature Limit; Pause Time - janitza Prophi Operating Instructions Manual

Reactive Power Controller

Overtemperature disconnection

In cabinets there might
be an exceeding of the
inner cabinet temper-
ature, effected by
power dissipation of
con-nected capacitor stages or too high outer tempera-
ture.
In that case, also the Prophi controller is heated up, and
the inner temperature feeler detects this rise of tem-
perature with a little delay. With the overtemperature
disconnection, connected stages can be disconnected in
order to decrease the inner temperature and to protect
the capacitors from damage.
The following values can be set:

- upper temperature limit,

- lower temperature limit and

- pause time.

Attention! The overtemperature disconnection
m
also disconnects programmed fix stages.
Upper temperature limit
If the upper temperature limit is exceeded, connected
capacitors are disconnected.

Lower temperature limit

If the lower temperature limit is exceeded, no more
stages are connected anymore.
Pause time
If the lower temperature limit is exceeded, one capaci-
tor stage will be disconnected, and the pause time is
started. After the pause time is over, the next capacitor
stage can be disconnected.
Upper temperature limit
Lower temperature limit
Disconnection of capacitors
Diagr.: Overtemperature disconnection with hysteresis
Attention!
m
If the upper temperature limit is set below the
lower temperature limit while editing, the lower
limit is decreased automatically.
= Key 1
temperature
t
t
= Key 2 = Key 3
Example: Programming of the upper temperature limit
Go to upper temper-
ature limit in expanded
programming using
key 3.
Confirm selection with
key 1. The first digit is flashing.
Select number with key 2 and change with key 3.
Confirm selection with key 1. No digit is flashing.
Carry on in expanded programming with key 3.
Example: Programming of the lower temperature limit
Go to upper temperature limit in expanded program-
ming using key 3.
Then move to lower limit with key 2.
Confirm selection with
key 1. The first digit is
flashing.
Select number with key
2 and change with key
3.
Confirm selection with key 1. No digit is flashing.
Carry on in expanded programming with key 3.
Example: Programming of the pause time
Go to upper temperature limit in expanded program-
ming using key 3.
Go to pause time with
key 2.
Confirm selection with
key 1. The first digit is
flashing.
Select number with key 2 and change with key 3.
Confirm selection with key 1. No digit is flashing.
Carry on in expanded programming with key 3.
Prog
Prog
s
Prog
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