1592015820 User manual IC260_261L_D DUO FW1.9 rel. 1.0
Pag. 118 of 149
Reset
From thermoregulation start-up and ID not active
From thermoregulation start-up with evaporating pressure higher than CO37 +
CO38 (differential)
Restart
Automatic – Manual and logged after AL21 events per hour (reset procedure in
function menu).
Symbol
On the display the symbol
is blinking
Action
Alarm relay + buzzer ON when it becomes manual
b1PL - b2PL Alarm during the Pump Down start-up from pump down pressure switch / Low
pressure transducer
Label on alarm
visualization menu
b1PL
(pump down alarm in start-up of circuit #1)
b2PL
(pump down alarm in start-up of circuit #2)
Origin
Pump down pressure switch : CO36 = 1,2,3,4 and compressors start-up and
digital input not active for the time set in CO39
Pump down transducer: CO36 = 1,2,3,4, compressors start-up and the set
CO37 is not reached in the interval time CO39.
Reset
From thermoregulation start-up and ID not active
From thermoregulation start-up with evaporating pressure higher than CO37 +
CO38 (differential)
Restart
Automatic - Manual and logged after AL21 events per hour if AL23=1 (reset
procedure in function menu).
If AL23 = 0 it is automatic and not logged.
Symbol
On the display the symbol
is blinking
Action
Alarm relay + buzzer ON when it becomes manual
C1Mn - C2Mn - C3Mn - C4Mn - C5Mn - C6Mn Compressor maintenance
Label on alarm
visualization menu
C1Mn
(Compressor #1 maintenance) –…
C6Mn
(Compressor #6 maintenance)
Origin
Compressor running hours > Hour counter setpoint
Reset
Hour reset in function menu
Restart
Manual
Symbol
On the display the symbol
is blinking
Action
Alarm relay + buzzer ON
Regulation
Action
Only display warning messages
Loads
Not changed
AEP1 - AEP2 Pump/ supply fan maintenance
Label on alarm
visualization menu
AEP1
(Evaporator #1 pump maintenance)
AEP2
(Evaporator #2 pump maintenance)
Origin
Pump/supply fan running hours > Hour counter setpoint
Reset
Hour reset in function menu
Restart
Manual
Symbol
On the display the symbol
is blinking
Action
Alarm relay + buzzer ON
Regulation
Action
Only display warning messages
Loads
Not changed
ACP1 - ACP1 Condenser pump mintenance
Label on alarm
visualization menu
ACP1
(Condenser #1 pump maintenance)
ACP1
(Condenser #2 pump maintenance)