MTA TAEevo Tech MINI - Alarms; Parameter list

OPERATING AND MAINTENANCE MANUAL
Chapter 7 - Electronic control unit
TAEevo Tech MINI 02÷10
24
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
7.10 Alarms
7.10.1 Alarm messages
When the unit is on, an alarm icon flashes and the alarm message appears. The possible alarm messages are listed below:
NOTE
The alarm relay switches status for all alarms.
7.10.2 Alarm relay
The Electronic Control Unit has an alarm signalling relay. Its contact is closed during normal operation and is opened in the
case of an alarm or a power blackout.
Refer to the wiring diagram for the relative connections.
In TAEevo Tech MINI 08-10 models a green light remains on to indicate that there are no alarms in the unit.
If an alarm occurs, the light turns red to indicate its presence.
7.11 Parameter list
Every parameter has a corresponding access level:
U= user level
ATTENTION
Changing the default parameters may prevent the unit from functioning correctly.
Message Cause
Outputs
Compr. Pump
P1 Thermostatic control probe failure OFF ON
P2 Room temperature probe failure OFF ON
HA Thermostatic control probe high temperature alarm ON ON
LA Thermostatic control probe low temperature alarm ON ON
CA High pressure switch alarm OFF ON
Parameter Level Description Range
Default
settings
SEt USetpoint LS - US 7
Hy U Compressor control hysteresis (0,1°C÷25,5°C)
(0°F÷45°F)
4
LS U Minimum setpoint (-55,0°C÷SET)
(-67°F÷SET)
5
rES U Resolution (per °C): decimal, integer dE – in dE
ALU U Thermostatic control high temperature alarm setpoint 0,0÷50,0°C rel.
or ALL÷150°C
(302°F)
40
ALL U Thermostatic control low temperature alarm setpoint 0.0÷50°C rel.
or -55°C
(-67°F)÷ALU;
4
dP1 U Thermostatic control temperature value read-only
(probe value)
--
dP2 U Room temperature probe temperature value read-only
(probe value)
--