OPERATING AND MAINTENANCE MANUAL
Chapter 7 - Electronic controller
TAEevo Tech 015÷802 60 Hz UL
101
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
EN
ENGLISH
Pump-down alarm
AL21 C Maximum number of pump-down alarm trips per hour in stopping
after which the alarm is registered and indicated with a code on
the display and activation of the alarm relay + buzzer.
Reset is always manual if AL21=0.
Reset is always automatic if AL21=16.
Reset switches from automatic to manual if AL21 is from 1 to 15.
016
AL22 C Maximum number of pump-down alarm trips per hour in starting
after which the alarm is switches to manual reset and is registered
and the alarm relay + buzzer are activated.
Reset is always manual if AL22=0.
Reset is always automatic if AL22=16.
The alarm switches from automatic to manual if AL22 is from 1
to 15 and on the basis of the configuration of parameter AL23.
016
AL23 C Enabling of automatic or manual reset of pump-down alarm in
starting if AL22 number of trips per hour is reached:
0= Automatic reset remains even if the number of trips per hour is
reached
1= Manual reset enabled once the number of trips per hour is
reached
01
Anti-freeze alarm in chiller mode
AL24 C Minimum anti-freeze limit setpoint in chiller mode (from -30 °C
to AL24).
-50.0
-58
AL26 °C
°F
Dec
Int
AL25 C Maximum anti-freeze limit setpoint in chiller mode (from AL24
to 70 °C).
AL26 110.0
230
°C
°F
Dec
Int
AL26 U Chiller anti-freeze alarm set, provides facility to set a temperature
value below which the anti-freeze, low ambient air temperature
(air/air unit), low air outlet temperature (air/air unit) alarm is
tripped (from AL24 to AL25).
AL24 AL25 °C
°F
Dec
Int
AL27 S Anti-freeze alarm differential in chiller mode, low ambient air
temperature, low outlet air temperature.
Provides the facility to set a temperature differential that
determines the alarm reset.
0.1
0
25.0
45
°C
°F
Dec
Int
AL28 C Anti-Legionella alarm delay, low ambient air temperature, low
outlet air temperature in chiller mode.
Used to set a time interval during which the temperature must
remain below the set imposed by parameter AL26 in order for the
anti-freeze alarm to trip.
0 250 Sec
AL29 C Maximum number of trips/hour of anti-freeze alarm, low air
temperature at chiller outlet.
Establishes a maximum number of trips per hour of the
anti-freeze alarm, low ambient air temperature, low air outlet
temperature, after which the alarm switches from automatic reset
to manual reset.
Reset is always manual if AL29=0.
Reset is always automatic if AL29=16.
Reset switches from automatic to manual if AL29 is from 1 to 15.
016
AL30 C Anti-freeze alarm operation in chiller mode:
0= stops ONLY the compressors when the temperature read by
the anti-freeze control probe falls below the AL26 set and signals
the anti-freeze alarm but with a label, while not activating the
buzzer or the alarm relay
1= stops the compressors when the temperature read by the anti-
freeze control probe falls below the AL26 set and signals the anti-
freeze alarm with label + buzzer + alarm relay.
01
Anti-freeze alarm in heat pump mode
AL31 C Minimum anti-freeze limit setpoint in heat pump mode (from -
30 °C to AL32).
-50.0
-58
AL33 °C
°F
Dec
Int
AL32 C Maximum anti-freeze limit setpoint in heat pump mode
(from AL31 to 70 °C).
AL33 110.0
230
°C
°F
Dec
Int
Parameter Level Description Min. Max. UM Resolution
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