OPERATING AND MAINTENANCE MANUAL
Chapter 7 - Electronic controller
TAEevo Tech 015÷802 60 Hz UL
42
The data in this manual are not binding and they can be modified by the manufacturer without notice. Reproduction of this manual is strictly prohibited
ENGLISH
EN
7.11.7 High pressure switch alarm and/or compressor thermal alarm
(TAEevo Tech 402÷802 models only)
7.11.8 Low pressure switch alarm
Display labels meaning b1HP (circuit 1 high pressure digital input) and/or compressor thermal alarm
b2HP (circuit 2 high pressure digital input) and/or compressor thermal alarm
Cause of trip With unit in ON status and circuit high pressure switch input active and/or
compressor thermal alarm
Reset Input inactive
Reset Reset is always manual
Icon Flashing
Action Alarm relay + buzzer activated
Regulators
Alarm Relay + buzzer activated
Inversion valve follows its control
Recovery valve follows its control
Free cooling ON/OFF valve follows its control
Auxiliary relay Follow(s) its/their control
No-load start-up valve Follows its control
Delivery fan Follows its control
Fans If Par. FA02= 0 fans operating mode depends on the compressor, with alarm
active the fans are forced at the maximum speed for 60 seconds before
switching off
If Par. FA02= 1 fans operating mode independent from the compressor, with
alarm active the fans are forced at the maximum speed for 60 seconds then are
subjected to speed control
Compressors of unaffected circuits Follows its control
Pump down solenoid of non-condensing
circuits affected
Follows its control
Pump down solenoid of affected circuits off
Display labels meaning b1LP (circuit 1 low pressure digital input)
b2LP (circuit 2 low pressure digital input)
Cause of trip With low pressure switch input of active circuit
The alarm is not signalled:
1. On compressor starting for time AL01
2. If time AL64 from activation of the digital input has not elapsed
Reset Input deactivation
Reset Automatic - becomes manual after AL05 trips / hour (reset procedure in
functions menu)
Icon Flashing
Action Alarm relay + buzzer activated
Regulators
Alarm Relay + buzzer activated
Inversion valve follows its control
Recovery valve follows its control
Free cooling ON/OFF valve follows its control
Auxiliary relay Follow(s) its/their control
No-load start-up valve Follows its control
Delivery fan Follows its control
Condensing fans Off
Support /water heater /anti-freeze Follows its control
Evaporator/ condenser water pump(s) Follows its control
Compressors off
Pump down solenoid off
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