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USER MANUAL – Release 1.2 of 01/01/2010
Page 45 of 191
Version: 02/03/2010
AL 44
Delay on activation of a
ntifreeze / low room air temperature / low outlet air
temperature alarm from alarm condition occurrence during regular heating
mode.
0
250
Secs
AL 45
Maximum number of antifreeze / low outlet air temperature alarms per hour in
heating mode.
When this number is exceeded the alarm moves from automatic to manual
reset.
Reset is always manual if AL45 = 0
Reset is always automatic if AL45 = 60
Reset moves from automatic to manual if AL45 moves from 1 to 59
0
60
AL 46
Antifreeze alarm working in heating mode
0 = Just switches the compressors off and shows the label without activating
buzzer and alarm relay
1 = switches the compressors off, shows the label and activates buzzer and
alarm relay
0
1
Control probe for antifreeze alarm
AL 47
Control probe in cooling mode
0 = Disabled
1 = Evaporator inlet
2 = Evaporator outlets 1 / 2
3 = Evaporator outlets 3 / 4
4 = All evaporator outlets
5 = All evaporator outlets and common outlet
0
5
AL 48
Control probe in heating mode
0 = Disabled
1 = Evaporator inlet
2 = Evaporator outlets 1 / 2
3 = Evaporator outlets 3 / 4
4 = All evaporator outlets
5 = All evaporator outlets and common evaporators outlet
0
5
AL 49
Condenser anti-freeze alarm temperature control probe
0 = Disabled
1 = Common condenser water inlet probe
2 = Common condenser water inlet probe and condenser inlet 1 / 2 probes
3 = Common condenser water inlet probe and condenser inlet 3 / 4 probes
4 = Condenser inlet 1 / 2 probes
5 = Condenser inlet 3 / 4 probes
6 = All condenser outlet probes
7 = All condenser outlet probes and common condenser outlet probe
0
7
Compressors high discharge temperature
AL 50
Compressors high discharge temperature alarm set point
-50
0
150
302
°C
°F
Dec / int
int
AL 51
Compressors high discharge temperature alarm differential
0.1
0
25.0
45
°C
°F
Dec
int
AL 52
Maximum number of compressors high discharge temperature alarm
occurrences 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
0
60
Unit general block alarm n°1
AL 53
Maximum number of unit general block alarm n°1 occurrences per hour
When this number is exceeded the alarm moves from automatic to manual
reset.
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
0
60
AL 54
Delay on activation of unit general block alarm from digital input activation
0
250
Secs
AL 55
Delay on deactivation of unit general block alarm from digital input
deactivation
0
250
10 secs
10 secs
Unit general block alarm n° 2
AL 56
Unit general block alarm n° 2 working mode
0 = only notification (alarm relay and buzzer activated) always automatic reset
1 = the alarm blocks the unit. Alarm reset depends on the value of par. AL57
0
1
AL 57
Maximum number of unit general block alarm n°2 occurrences 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
0
60
AL 58
Delay on activation of unit general block alarm from digital input activation
0
250
Secs
10 secs
AL 59
Delay on deactivation of unit general block alarm from digital input
deactivation
0
250
secs
10 secs
Evaporator inlet high temperature alarm
