29
18. CALIBRATION OF CONTROL AND SAFETY
PARAMETERS
NRL
0280
0300
0330
0350
0500
0550
0600
0650
0700
400V COMPRESSORS MAGNET CIRCUIT BREAKERS
MTC1
23A
28A
28A
29A
23A
28A
28A
28A
29A
MTC1A
-
-
-
-
23A
23A
23A
28A
29A
MTC2
23A
23A
28A
29A
28A
29A
28A
28A
29A
MTC2A
-
-
-
-
-
-
23A
28A
29A
HIGH PRESSURE PRESSURE SWITCH MANUAL REARM
PA (bar)
40
40
40
40
40
40
40
40
40
HIGH PRESSURE TRANSDUCER
TAP (bar)
39
39
39
39
39
39
39
39
39
LOW PRESSURE TRANSDUCER
TBP (bar)
2
2
2
2
2
2
2
2
2
COOLING CIRCUIT SAFETY VALVES
AP (bar)
45
45
45
45
45
45
45
45
45
BP (bar) solo in pompa di calore
30
30
30
30
30
30
30
30
30
FANS MAGNET CIRCUIT BREAKERS
N° ventilatori °
-
-
-
-
2
2
2
2
2
N° ventilatori L
4
4
4
6
N° ventilatori H
-
-
-
-
N° ventilatori HL
4
6
6
6
CONTROL PARAMETERS
Set Cooling
Inlet water temperature in cooling functioning mode.
MIN.
-10°C
MAX.
20°C
DEFAULT
7.0°C
Set Heating
Inlet water temperature in heating functioning mode.
MIN.
30°C
MAX.
50°C
DEFAULT
50°C
Anti-freez
intervention
Intervention temperature of the anti-freeze alarm on the EV side (water
outlet temperature).
MIN.
-15°C
MAX.
4°C
DEFAULT
3°C
Total differential
Proportional temperature band within which the compressors are activated and
deactivated.
MIN.
3°C
MAX.
10°C
DEFAULT
5°C
Autostart
Auto
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