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Carel mastercella Technical Leaflet

Carel mastercella
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+050004104 rel. 2.2 del 26.09.07
9
ENGLISH
8: Low pressure switch
9: Door switch with fan stop only
10: Direct/reverse
11: Light sensor
12: Activation of the AUX output
13: Door switch with compressor and fans off and light not managed
14: Door switch with fans only off and light not managed
A5 Digital input 2 configuration AD - C 0 14 0
As for A4
A6 Stop compressor from external alarm AD min C 0 100 0
A7 External alarm detection delay AD min C 0 250 0
A8 Enable alarms ‘Ed1’ and ‘Ed2’ AD flag C 0 1 0
0: Alarm signals Ed1 and Ed2 enabled
1: Alarm signals Ed1 and Ed2 disabled
A9 Digital input 3 configuration AD - C 0 14 0
As for A4
Ado Light management mode with door switch AD flag C 0 1 0
0: With normal algorithm
1: With extended algorithm
Ac High condenser temperature alarm AD °C/°F C 0.0 200 70.0
AE High condenser temperature alarm differential AD °C/°F C 0.1 20 10
Acd High condenser temperature alarm delay AD min C 0 250 0
AF Light sensor OFF time AD s C 0 250 0
ALF Antifreeze alarm threshold AD °C/°F C -50 200 -5.0
AdF Antifreeze alarm delay AD min C 0 15 1
Simbol Code Parameter AD U.O.M. Type Min Max Def.
F0 Fan management D flag C 0 2 0
0: Fans always on
1: Fans controlled according to the temperature difference between the virtual
control probe and the evaporator temperature
2: Fans controlled according to the evaporator temperature
F1 Fan start temperature D °C/°F F -50 200 5.0
F2 Fan OFF with compressor OFF D flag C 0 1 1
0: Fans always on
1: Fans off with compressor off
F3 Fans in defrost D flag C 0 1 1
0: Fans operate during defrosts
1: Fans do not operate during defrosts
Fd Fan OFF after dripping D min F 0 15 1
F4 Condenser fan stop temperature AD °C/°F C -50 200 40
F5 Condenser fan start differential AD °C/°F C 0.1 20 5.0
Simbol Code Parameter AD U.O.M. Type Min Max Def.
H0 Serial address AD - C 0 207 1
H1 Function of relay 4 AD flag C 0 13 1
0: Alarm output usually energised
1: Alarm output usually de-energised
2. Auxiliary output
3: Light output
4: Auxiliary evaporator defrost output
5: Pump down valve output
6: Condenser fan output
7: Delayed compressor output
8: Auxiliary output with deactivation when OFF
9: Light output with deactivation when OFF
10: No function associated with the output
11: Reverse output in control with dead band
12: Second compressor step output
13: Second compressor step output with rotation
H2 Disable keypad/IR AD flag C 1 6 1
Parameter
“H2”
LIGHT
ON/OFF
AUX
HACCP
PRG/MUTE
UP/CC
DOWN/DEF
SET
Parameter F
modification
Set point
modification
Remote
control
modification
0
1
2
3
4
5
6
Keypad function
"•" = Disabled

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Carel mastercella Specifications

General IconGeneral
SeriesMastercella
Front ProtectionIP65
Protection RatingIP65 (front)
Control TypePID, ON/OFF
DisplayLCD
InputsNTC, PT1000
OutputsRelay, SSR
Storage Temperature-30°C to +70°C
Analogue Outputs4-20 mA, 0-10 V
Serial CommunicationRS485, Modbus RTU
Relative Humidity<90% RH non-condensing

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