Carel SmartCella User Manual

41
ENG
“SmartCella manual” +0300084EN - rel. 1.2 - 28.03.2017
ON
OFF
ALARM
t
St
AH
black out
S1
t
Fig. 8.c
Key
S1 Control probe Ad High and low temperature alarm
delay
AH High temperature alarm
threshold
Htd HACCP alarm delay
0 = monitoring disabled
ALARM HF HACCP alarm t Time
St Set point
8.7 High condenser temperature alarm
The condenser temperature can be monitored and high temperature
situations signalled, most likely when the condenser is blocked. The
following fi gure describes the signal.
Par Description Def Min Max UOM
Ac High condenser temperature alarm threshold 70 0 200 °C/°F
AE High condenser temperature alarm diff erential 10 0.1 20 °C/°F
Acd High condenser temperature alarm delay
0 = Immediate alarm
0 0 250 min
Tab. 8.c
ON
OFF
cht
Ac - AE
Sc
Ac - AE/2
Ac
OFF
CHT
ON
t
t
t
Acd
Fig. 8.d
Key
t Time Ac High cond. temperature alarm
threshold
Acd Alarm delay cht High cond. temperature pre-alarm
Sc Condenser probe CHT High condensing temperature alarm
AE High condensing temperature alarm diff erential
8.8 Frost protection alarm
The frost protection alarm is only active if a probe has been set as the
frost protection probe. If this probe measures a temperature less than the
threshold ALF for a time greater than AdF, the alarm “AFr” (manual reset) is
shown. See the parameter table.
Par Description Def Min Max UOM
ALF Frost protection alarm threshold -5 -50 200 °C/°F
AdF Frost protection alarm delay 1 0 15 min
Tab. 8.d
ON
OFF
ALARM
AFr
ALF
S
t
t
AdF
Fig. 8.e
Key
t Time AdF Frost protection alarm
delay
AFr Frost protection alarm threshold
8.9 Defrost ended by timeout alarm
Alarms Ed1 and Ed2 signal that a defrost has ended when reaching the
maximum defrost duration. This can be disabled by setting A8 = 0.
Par Description Def Min Max UOM
A8 Enable alarms Ed1 and Ed2 (end
defrost by timeout)
0 = alarms disabled
0 0 250 min
Tab. 8.e

Carel SmartCella Specifications

General

Brand	Carel
Model	SmartCella
Category	Controller
Language	English