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TECHNICAL MANUAL
CVM 3000
C 5030 CV/04-99 GB
47
31
CI
HIGH PRESSSURE ALARM SET
10.0
↔
28.0
Tab. 13-4
32
CI
HIGH PRESSSURE ALARM DIFFERENTIAL
0.0
↔
10.0
Tab. 13-4
SAFETY VALVE
CALIBRATION
MAXIMUM
PRESSURE
SAFETY
SWITCH SET
HIGH PRESSURE
ALARM SET
SET
RESET
PAR. 31
PAR. 32
23.3
21.8
16.3
20.8
5.3
24.5
23
17.5
22 (22.8*)
5.5 (6.3*)
27
25.5
19.5
24.5
6
27.6
26.1
20.1
25.1
6
28
26.5
20.5
25.5
6
(*)ON HEAT PUMP UNIT WITH ISPESL SHELL AND TUBE HEAT EXCHANGERS
Table 13-4 HIGH PRESSURE ALARM SET
33
CO
COMPRESSOR DISCHARGE TEMPERATURE
ALARM SET
40.0
↔
140.0
125.0 °C
34
CO
COMPRESSOR DISCHARGE TEMPERATURE
ALARM DIFFERENTIAL
0.0
↔
30.0
30.0 °C
35
M
MINIMUM TIME BETWEEN TWO SUCCESSIVE
COMPRESSOR STARTUPS
0
↔
600
360 sec
36
CI
PRESSURE SET FOR FORCED VENTILATION
DURING DEFROSTING
10.0
↔
28.0
23.5 Bar
37
M
HOUR BAND ENABLE
0: NOT ENABLED
1: ENABLED
0-1 Flag
38
C
MAXIMUM NUMBER OF LOW PRESSURE
ALARMS PER HOUR
0
↔
30
3 Num
39
M
COMPRESSOR STARTUP/SHUTDOWN MODE BY
THE THERMOREGULATOR
MUST BE SET TO 0 FOR UNITS WITH
MORE THAN 1 EVAPORATOR.
0= ENABLE
CAPACITY STEPS OF
ALL THE
COMPRESSORS
BEFORE
SHUTDOWN
1= ENABLE
CAPACITY STEPS
AND SHUTS DOWN
EACH SINGLE
COMPRESSOR
1 Num
40
CI
PUMP-DOWN CONFIGURATION CIRCUIT N° 1
0
↔
2
Tab. 13-5
41
CI
PUMP-DOWN CONFIGURATION CIRCUIT N° 2
0
↔
2
Tab. 13-5
42
CI
PUMP-DOWN CONFIGURATION CIRCUIT N° 3
0
↔
2
Tab. 13-5
43
CI
PUMP-DOWN CONFIGURATION CIRCUIT N° 4
0
↔
2
Tab. 13-5
44
CI
PUMP-DOWN CONFIGURATION CIRCUIT N° 5
0
↔
2
Tab. 13-5
45
CI
PUMP-DOWN CONFIGURATION CIRCUIT N° 6
0
↔
2
Tab. 13-5
46
CI
PUMP-DOWN CONFIGURATION CIRCUIT N° 7
0
↔
2
Tab. 13-5
47
CI
PUMP-DOWN CONFIGURATION CIRCUIT N° 8
0
↔
2
Tab. 13-5
PARAMETER VALUE
DESCRIPTION
0
SHUTDOWN WITHOUT PUMP DOWN
1
SHUTDOWN WITH PUMP DOWN
2
SHUTDOWN WITH PUMP DOWN IN CHILLER MODE ONLY
Table 13-5 CIRCUIT PUMP DOWN CONFIGURATION