dIXEL IPC400D SERIES - Pump Down Alarm with Low Pressure Pressure Switch;Transducer in Stopping

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USER MANUAL – Release 1.2 of 01/01/2010 Page 176 of 191
Version: 02/03/2010
57.26 PUMP DOWN ALARM WITH LOW PRESSURE PRESSURE
SWITCH/TRANSDUCER IN STOPPING
Display label meaning
b1PH (pump-down alarm in circuit n° 1 shutdown)
b2PH (pump-down alarm in circuit n° 2 shutdown)
b3PH (pump-down alarm in circuit n° 3 shutdown)
b4PH (pump-down alarm in circuit n° 4 shutdown)
Cause of activation
With Pd1 ! 0:
! pressure switch: with ID not active and the pump-down ends by time Pd4
! transducer: the set Pd2 is not reached and the pump-down ends by time
Pd4
Reset
From pressure switch ID temperature control call not active
From temperature control call with evaporation pressure > Pd2 set + Pd3
differential
Reset
Automatic – it becomes manual after Pd7 interventions/hour (reset procedure
in functions menu) It is recorded in the historical alarms only with manual reset
Icon
flashing
Action
Alarm relay + buzzer activated only when the alarm becomes manual reset
Regulators
Alarm
Relay + buzzer activated only when the alarm becomes manual reset
Reverse valve
It follows its regulation
Recovery valve
it follows its regulation
Free-cooling on/off valve
it follows its regulation
Auxiliary relay
It follows its regulation
Idle running valve
It follows its regulation
Supply ventilation
It follows its regulation
Condensation ventilation
It follows its regulation
Support/boiler/anti-freeze
It follows its regulation
Pump/and water evaporator
and condenser
It follows its regulation
Compressors
Off with manual reset alarm
Pump down solenoid valve
It follows its regulation