Carel plug-in PJ32C, User Manual

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Cod. +030221881 rel. 1.0 - 11/02/2000 18
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For models Y, X, C. With
U=1, the alarm is enabled and indicates end defrost due to the maximum time being reached.
:DUQLQJ: for the model S with defrosting enabled (+=1), the alarm is not present in that the operation is by time only with
compressor off. If required, the value set via the serial connection must be 0.
Def.: 0 alarm ED inhibited.
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C0 compressor start delay at instrument on C 0 15 min 0
C1 minimum time between 2 successive starts of the compressor C 0 15 min 0
C2 minimum compressor off time C 0 15 min 0
C3 minimum compressor on time C 0 15 min 0
C4 duty setting (compressor safety, 0=OFF,100=ON) C 0 100 min 0
Cc continuous cycle duration C 0 15 hours 4
C6 alarm bypass after continuous cycle C 0 15 hours 2
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At the moment the control is turned on, the start-up of the compressor and evaporator fans is delayed by a time (minutes) equal to
the value assigned to this parameter. This delay allows the compressor to be protected against repeated starts in the case of
frequent voltage drops or power failures. For example, setting
F=6 forces the compressor to wait 6 minutes before starting from
when the power returns. In the case of systems with more than one compressor, parameter C0 can also be used to avoid
simultaneous start-ups of the units, simply by setting each compressor a different value for C0.
Def.:
F=0 (no minimum delay for the activation of the compressor
when the instrument is turned on).
Available on all models
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Sets the minimum time (in minutes) that must elapse between two start-ups of the compressor, irrespective of the temperature and
the Set Point. Setting this parameter can limit the number of activations per hour. For example, if the maximum number of
activations allowed per hour is 10, simply set
F=6 to ensure this limit is respected.
Def.:
F=0 (no minimum time between two activations).
Available on all models.
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Sets the minimum time, in minutes, that the compressor stays off. The compressor is not re-started until the minimum time selected
(
F) has passed since the last shut-down. This parameter is useful in ensuring pressure equalisation after the shut-down, in the case of
systems with hermetic and scroll compressors.
Def.:
F=0 (no minimum OFF delay time).
Available on all models.
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