d
el
ay
d
ef
ro
st
af
te
r
D
C
C
p
ar
.
d
cc
12
12
12
12
DEEP
DEEP
DEEP
DEEP COOLING
COOLING
COOLING
COOLING CYCLE
CYCLE
CYCLE
CYCLE
Deep
Deep
Deep
Deep Cooling
Cooling
Cooling
Cooling Cycle
Cycle
Cycle
Cycle
Function
Function
Function
Function
The Deep
Cooling
(DCC) function is activated by parameter
1150:H01.
1150:H01.
1150:H01.
1150:H01.
The corresponding LED will light up when the function is active.
Activation of DCC from function key: the
compressor
regulates in relation to setpoint
1016:
1016:
1016:
1016: dCS
dCS
dCS
dCS
with a differential equal
to the value set in parameter
1002:
1002:
1002:
1002: diF
diF
diF
diF
for the time set in parameter
1017:
1017:
1017:
1017: tdc
tdc
tdc
tdc
(deep cool cycle).
When the DCC (
Deep Cooling Cycle
) activates, the interval between
defrost
cycles is cleared and defrosts disabled. After a
DCC cycle and once the time set in parameter
1018:dcc
1018:dcc
1018:dcc
1018:dcc
has elapsed, a
defrost
cycle is forced and the counters restart for
the interval between
defrost
cycles (value set in parameter
1029:dit
1029:dit
1029:dit
1029:dit
).
During the DDC cycle, temperature
alarms
are disabled - except for the low temperature one –
1082:
1082:
1082:
1082: LAL
LAL
LAL
LAL
....
Normal temperature alarm control is restored at the end of the DCC cycle. In the event of a probe error and/or power
failure, the
Deep Cooling Cycle
is stopped and standard controller function restored. If
parameters 1
016:
016:
016:
016: dcS
dcS
dcS
dcS
,,,,
1017:
1017:
1017:
1017: tdc
tdc
tdc
tdc
and
and
and
and 1018:
1018:
1018:
1018: ddc
ddc
ddc
ddc
are modified, the
Deep Cooling Cycle
is recalculated with the new values set.
End defrost (dSt) temperature
set
set DCC
key
DCC timeout
par.tcd
defrost timeout
compressor
defrost
EWHT 1800LX
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Summary of Contents for EWHT 1800LX
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