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AL 46
Anti-freeze alarm operation in heat pump mode
0 = it switches off ONLY the compressors, indicates the alarm but does not
trigger the buzzer or the alarm relay
1 = shuts off compressors and activates the buzzer and alarm relay
AL 47
Anti-freeze temperature control probe alarm in chiller mode
0 = disabled
1 = evaporator input
2 = evaporator output 1 / 2
3 = evaporator output 3 / 4
4 = evaporator output 1 / 2 / 3 / 4
5 = evaporator output 1 / 2 / 3 / 4 and common output
AL 48
Anti-freeze temperature control probe alarm in heat pump mode
0 = disabled
1 = evaporator input
2 = evaporator output 1 / 2
3 = evaporator output 3 / 4
4 = evaporator output 1 / 2 / 3 / 4
5 = evaporator output 1 / 2 / 3 / 4 and common output
AL 49
Condenser anti-freeze temperature control probe alarm
0 = disabled
1 = common condenser water input probe
2 = common condenser water input probe and condenser input 1 / 2
3 = common condenser water input probe and condenser input 3 / 4
4 = condenser water output probe 1 / 2
5 = condenser water output probe 3 / 4
6 = condenser output 1 / 2 / 3 / 4
7 = condenser output 1 / 2 / 3 / 4 and common output
AL 50
Compressor high discharge temperature alarm setting
AL 51
Compressor high discharge temperature alarm differential
AL 52
Maximum number of compressor high discharge temperature alarm
interventions per hour
When this number is exceeded the alarm moves from automatic to manual
reset.
Reset is always manual if AL52 = 0
Reset is always automatic if AL52 = 60
Reset moves from automatic to manual reset if AL52 moves from 1 to 59
AL 53
Maximum number of unit general block alarm interventions per hour.
Reset is always manual if AL53 = 0
Reset is always automatic if AL53 = 60
Reset moves from automatic to manual reset if AL53 moves from 1 to 59
AL 54
Unit general block alarm delay with digital input activated
AL 55
Unit general block alarm delay with digital input deactivated
AL 56
General alarm no. 2 operation
0 = only signals; it does not depend on AL57 (alarm relay and buzzer
activated); always resets automatically
1 = the alarm blocks the unit; alarm reset depends on the value of par AL57
AL 57
Maximum number of unit general block alarm no. 2 interventions per hour
When this number is exceeded the alarm moves from automatic to manual
reset.
Reset is always manual if AL57 = 0
Reset is always automatic if AL57 = 60
Reset moves from automatic to manual reset if AL57 moves from 1 to 59
AL 58
Unit general block alarm no. 2 delay with digital input activated
AL 59
Unit general block alarm no. 2 delay with digital input deactivated
AL 60
Maximum number of system input high water temperature probe alarm
interventions per hour
Reset is always manual if AL60 = 0
Reset is always automatic if AL60 = 60
Reset moves from automatic to manual if AL60 moves from 1 to 59
AL 61
System input high water temperature probe alarm delay from compressor
activation
AL 62
System input high water temperature probe alarm set point
AL 63
System input high water temperature probe alarm differential
AL 64
NTC/PTC analogue input configuration for control of the system input high
water temperature alarm
0 = function disabled
1592025050 iProChill v2.5 10D00 AG v1.3 GB 18.02.2016.docx
Control probe for antifreeze alarm
Compressors high discharge temperature
Unit general block alarm n°1
Unit general block alarm n° 2
Evaporator inlet high temperature alarm
0
1
0
5
0
5
0
7
-50
150
°C
-58
302
°F
0.1
25.0
°C
1
45
°F
0
60
0
60
0
250
Sec
0
250
10 Sec
0
1
0
60
0
250
Sec
0
250
Sec
0
60
0
250
Sec
-50.0
110
°C
-58
230
°F
0.1
25.0
°C
1
45
°F
0
51
iProCHILL
Dec / int
Int
Dec
Int
10 sec
10 sec
10 sec
10 sec
Dec
Int
Dec
Int
145/205
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