INSTRUCTION MANUAL
UG30 CONTROL
40 (44)
mP30-UG30 - Rev. 1.5 - Date: 18-03-2004
EN
The alarm has a fixed delay set at 4 minutes and is tripped only if the cold actuators are ON (at least one
compressor ON or refrigerated water valve open by more than 50%) and the hot actuators are OFF.
When this alarm is noted, it shuts down only the compressor that is ON (running at that moment) , while the second
compressor remains enabled.
Ct:H
compressor thermal breaker alarm
Causes instantaneous shut-down of the compressor.
Ff:H
fan thermal breaker alarm
Causes instantaneous shut-down of all devices.
HE:OH
heating elements thermal breaker alarm
Causes instantaneous shut-down of the heating elements.
HP:C1-HP:C2
circuit 1 or 2 high pressure
Causes immediate shut-down of the compressor without respecting the relevant times.
HU:FA
humidifier alarm
Alarm delayed by 30 seconds. This is detected by the CDA3403 card and is transmitted to the
UG30
control which
disables the U1 humidifier output.
LP:C1-LP:C2
circuit 1 or 2 low pressure
This alarm is detected only if the compressor is ON and is ignored during the first 180 seconds from compressors
start. It causes immediate shut-down of the compressor without respecting the relevant times.
SENSOR INDUCED ALARMS
These alarms are generated for open or short-circuited sensors.
Code
Description
Restart
Alarm type
S E : 1 F
Sensor B1 fault.
Automatic
Serious
S E : 2 F
Sensor B2 fault.
Automatic
Non-serious
S E : 3 F
Sensor B3 fault.
Automatic
Non-serious
S E : 4 F
Sensor B4 fault.
Automatic
Non-serious
SE:1F
room temperature sensor fault.
Alarm delayed by 1 minute from the moment when the UNIT is turned ON and from when the error is detected.
When the error is detected, all components, except the fan, are turned OFF, respecting the configured times with
the exception of fan time.
SE:2F
external air sensor fault.
Alarm delayed by 1 minute from the moment when the UNIT is turned ON and from when the error is detected.
When the error is detected, all functions (summer/winter switch-over) associated with the sensor are disabled.
SE:3F
humidity sensor. Alarm activates when the sensor is disconnected (if the input is configured as 4÷20mA) and
for currents that are lower than 3 mA or above 23 mA.
Alarm delayed by 1 minute from the moment when the UNIT is turned ON and from when the error is detected.
When the error is detected, all functions associated with the sensor (humidification, dehumidification) are disabled
SE:4F
delivery air temperature sensor.
Alarm delayed by 1 minute from the moment when the UNIT is turned ON and from when the error is detected.
When the error is detected, all functions associated with the sensor (
CO:FA
alarm management) are disabled.
