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Carel PJ32S - PJ32 Evaporator Fan Management Parameters

Carel PJ32S
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SOXJLQ
Cod. +030221881 rel. 1.0 - 11/02/2000 25
$H[WHUQDODODUPGHWHFWLRQGHOD\PXOWLIXQFWLRQLQSXW
Sets the delay (in minutes) for detecting the external alarm when
$
=1.
Def.:
$
=0. Available on all models.
 ) HYDSRUDWRUIDQPDQDJHPHQWSDUDPHWHUV
DODUPSDUDPHWHUV W\SH
PLQ PD[ XRP GHI
)
fans subject to the fan controller (0=no, 1=yes) C 0 1 flag 0
)
fan shut-down temperature (effective temperature °C - °F) F -50 +127 °C/°F 5
)
stop fan when compressor off (0=no, 1=yes) C 0 1 flag 1
)
stop fans for defrost (0=no, 1=yes) C 0 1 flag 1
)G
post dripping off F 0 15 min 1
7DE
)IDQVVXEMHFWWRWKHIDQFRQWUROOHU
The fans can be subject to the fan controller, which manages them according to the temperature measured by the defrost probe.
Alternatively, the fans are always on during a defrost (see parameter
)
), with the possibility of switching them off when the
compressor is off (see parameter
)
), during the dripping period (see parameter
GG
) and for a further post dripping period (see
parameter
)G
). The values allowed for this parameter are:
)
=0 (=no). In this case the fans are not subject to the fan controller, and are always on, except for the limits set by
)
,
)
,
)G
and,
if necessary, by
GG
.
)
=1 (=yes). The fans are subject to the fan controller (see parameter
)
) and parameters
)
and
)G
, which have priority over the
controller.
Remember that if there is a dripping period (parameter
GG
), the fans are off in any case.
Def.:
)
=0, not subject to the fan controller. Available on PJ32C.
)IDQVKXWGRZQWHPSHUDWXUHSDUDPHWHURSHUDWLYHRQO\LI) 
The controller activates the fans only when the temperature of the evaporator is lower than the value set for
)
.
)LVWKHHIIHFWLYH
UHDOWHPSHUDWXUHDQGQRWWKHGLIIHUHQFHIURPWKH6HW3RLQW
. Once off, the fans start again when the difference between the
probe and the set point is equal to +
$
, where
$
is the fan control differential (see the figure below).
F1
F1
-
A0
Temp.evapor.
t
)LJ
Def.:
)
=5, as shown in the figure, the fans stay on until the evaporator temperature is less than 5°C. Available on PJ32C.
)VWRSIDQVZLWKFRPSUHVVRURII
Decides if the fans must be always on (excluding
)
,
GG
and
)G
) or only when the compressor is on.
)
=0 (= no): The fans are also on when the compressor is off
)
=1 (= yes): The fans are off when the compressor is off.
Def.:
)
=1, fans off when the compressor is off. Available on PJ32C.
)VWRSIDQVIRUGHIURVW
Decides if the fans must operate or not during defrost.
)
=0 (= no): the fans operate during the defrost.
)
=1 (= yes): the fans do not operate during the defrost.
Remember that during the dripping time, if featured, the fans are always off.
Def.:
)
=1, evaporator fans off during defrost. Available on PJ32C.

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