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USER MANUAL – Release 1.2 of 01/01/2010
Page 171 of 191
Version: 02/03/2010
57.21
DEFROST ALARM
Display label meaning
b1dF
(circuit n° 1 defrost alarm signal)
b2dF
(circuit n° 2 defrost alarm signal)
b3dF
(circuit n° 3 defrost alarm signal)
b4dF
(circuit n° 4 defrost alarm signal)
Cause of activation
In defrost only, if DF01 = 1,3 defrost end for temperature/pressure or external
contact and the defrost ends for DF05 =time
Reset
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If stand-by or ON-OFF remote
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At the next defrost cycle the output takes place due to
temperature/pressure
Reset
Automatic if at the next defrost cycle the output takes place due to
temperature/pressure, otherwise manual. (reset procedure in functions menu)
Icon
flashing
Action
Alarm + buzzer relays
NOT
activated
Regulators
Alarm
Relay + buzzer NOT activated
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
It follows its regulation
Pump down solenoid valve It follows its regulation