Gram 860120020, Operation And Service Manual

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25
Gram Commercial
Technical information
765041466
Description :
Operation- and servicemanual
Gram Process KPS
Compiled. Latest revision. Deleted.
Date Name Date Name Rev.no Date Name
30.09.11 JP 000
Parameter
Description Default Min. Max.
Adjustment
R01 Compressor start/stop hysteresis
2

C 0

C 20

C
R02 Min. interval between 2 compressor starts 2 min 0 min 30 min
R03 Compressor start delay from card activation 0 sec 0 sec 300 sec
R04 Compressor duty-cycle time w/ faulty room sensor in
storing 10 min 0 min 90 min
R05 Compr. ON time w/faulty room sensor – pos. storing 3 min 0 min 90 min
R06 Compr. ON time w/faulty room sensor – neg. storing 8 min 0 min 90 min
R07 Probe sensor min. temperature for process start
70

C 0

C 90

C
R08 Compressor inhibition temperature
90

C 0

C 100

C
R09 Compressor protection function activation time 24 hrs 0 hrs 240 hrs
R10 Pulse duration 2 sec 1 sec 10 sec
R11 Pause between pulses 4 sec 1 sec 10 sec
R12 Number of pulses 3 1 20
R13 Temperature at the end of the cooling cycle
-25

C -50

C 10

C
Sterilization
U01 Sterilization duration 20 min 1 min 99 min
Fans
F01 Evaporator fans activation hysteresis
2

C 0

C 20

C
F02 Condenser fans activation hysteresis
2

C 0

C 20

C
F03 Evaporator fans activation setpoint
5

C -50

C 50

C
F04 Condenser fans activation setpoint
15

C -50

C 50

C
F05 Evaporator fans during defrost
(0=fans off; 1=fans on) 0 0 1
F06 Condenser fans during defrost
(0=fans off; 1=fans on) 0 0 1
F07 Fans stop time after defrost 1 min 0 min 30 min
F08 Condenser fans stop delay 30 sec 0 sec 300 sec
F09 Evaporator fans control during quick cooling:
0=fans always on
1=fans controlled by evaporator temperature 0 0 1
F10 Evaporator fans control during storing:
0=fans in parallel with the compressor
1=fans controlled by evaporator temperature 0 0 1
F11 Evaporator fans inhibition temperature
70

C 0

C 90

C
Print
PR1 Sampling time 10 min 1 min 60 min
Ventilation speed (P.W.M.)
CF1 Evaporator fan min. speed 30 0 100
CF2 Evaporator fan min. speed selectable in a quick cooling
cycle 50 0 100
I.F.R.
B01 Room temperature in phase 1
-45

C -50

C 50

C
B02 Surface temperature control start temperature
5

C -50

C 99

C
B03 First coefficient of the control relation 0 -50 50
B04 Second coefficient of the control relation 0 -50 50
B05 Third coefficient of the control relation -8 -50 50
B06 Surface temperature initial value determining the end of
phase 1
-1

C -50

C 99

C
B07 Phase 2 formula coefficient 99 0 99