dixell Ichill 260L_D DUO, User Manual

Page: 114 / 149

1592015820 User manual IC260_261L_D DUO FW1.9 rel. 1.0
Pag. 114 of 149
Origin 
With the digital input is active
 If AL08=1, also in stand-by or remote OFF, when the low pressure switch
input is active.

In defrost if AL06=1 when the compressor low pressure switch input is
active.
The alarm is not signalled if :
 In defrost for the time AL07 when the 4-way valve is activated.
 During the AL01 delay after turning on the compressor.
Reset
Digital input not active
Restart
Automatic - Manual after AL05 events per hour (Reset procedure in Menu
function)
Symbol
On the display the symbol is blinking
Action
Alarm Relay + and buzzer on
b1lp - b2lp Low evaporating pressure of the circuit (with pressure transducers only)
Label on alarm
visualization menu b1lP (low evaporator pressure from analogue input #1)
b2lP (low evaporator pressure from analogue input #2)
Origin
The alarm is activated when at least one of the probes , configured as
evaporating control, is lower than AL03 setpoint if:
 In chiller or heat pump mode;

Stand-by or remote OFF when AL08 = 1

In defrost when AL06=1
The alarm is not signalled if:
 In defrost ,for the time AL07, when the 4-way valve is turned on.
 For the time set in AL01 after turning on the compressor.
Reset
When the condensing probe temperature is higher than AL03 + AL04
(differential)
Restart Automatic– Manual after AL05 events per hour (Reset procedure in Menu
function).
Symbol
On the display the symbol is blinking
Action
Alarm Relay + and buzzer on
ATTENTION
When the pressure transducers are configured the low pressure alarms are related only to
transducer values.
b1tF- b2tf Condenser fan overload alarm
Label on alarm
visualization menu b1tF (Condenser fan overload alarm of the circuit #1)
b2tF (Condenser fan overload alarm of the circuit #2)
Origin
When the digital input is active
Reset
When the digital input is not active
Restart
Manual (reset from the function menu)
Symbol
On the display the symbol is blinking
Action
Alarm relay + buzzer ON
AEun: Unloading from low temperature of the evaporator water outlet
Label on alarm
visualization menu b1EU Unload signalling from evaporator circuit n° 1
b2EU Unload signalling from evaporator circuit n° 2
Origin During normal running condition when the temperature of evaporator water
outlet is higher than CO55 setpoint
Reset  If the water temperature is lower than CO55 + CO56 (differential)
 With unloading ON after the CO57 time delay.
Restart Automatic
Symbol
On the display the symbol is blinking
Action Alarm relay + buzzer