Inputs And Outputs - Gattetti LCA User Manual

Button Status of the unit
List of codes
Displays values
List of codes
Displays values
PRG + SEL Normal operating condition
SEL +
Normal operating condition
Normal operating condition
CLEAR
Hour counter
PRG At start up
At start up
PRG +
At start up
PRG +
Normal operating condition
Normal operating condition
Always
MUTE Always

3.6 Inputs and Outputs

Here below you will find the list of inputs/outputs with their relative connectors.
Connector Meaning
Evaporator inlet water temperature probe (water-water units)
B1-GND
Ambient air temperature probe (air-air units)
Evaporator outlet water temperature probe circuit1 (antifreeze)
B2- GND
Supporting heaters control probe (air-air units)
Condensation control probe circuit1 (for fans speed regulation in chiller mode or for the control of defrosting in heat
B3- GND
pump mode)
B4- GND Evap. outlet water temp. probe circuit 2 (antifreeze)
Condensation control probe circuit 2 (for fan speed regulation in chiller mode or for the control of defrosting in heat
B5- GND
pump mode)
ID1-IDCOM High pressure circuit 1
ID2-IDCOM Low pressure circuit 1
ID3-IDCOM Compressor overload circuit 1
Overload condenser fan circuit 1
ID4-IDCOM
Circuit 1 defrost end
Water flow detector (in water chillers)
ID5-IDCOM
Inlet fan overload (air-air)
ID6-IDCOM Remote ON/OFF
ID7-IDCOM Remote Cooling/Heating selection
ID8-IDCOM High pressure circuit 2
ID9-IDCOM Low pressure circuit 2
ID10-IDCOM Compressor overload circuit 2
Overload condensation- fan circuit 2
ID11-IDCOM
Circuit 2 defrost end
Y1-GND PWM analog output for condensation-removal fan circuit 1
Y2-GND PWM analog output for condensation-removal fan circuit 2
Antifreeze heater circuit1 (water chillers)
RES.1
Supporting heater / heating no.1 (air-air)
Compressor Tandem 2
COMP.1 Compressor circuit 1
VALVE 1 Reverse cycle valve circuit 1
Water pump (water chillers)
PUMP
Inlet air fan (air-air)
ALARM General alarm remote signal
Antifreeze heater circuit 2 (water chillers)
RES.2
Supporting heater / heating no. 2 (air-air)
COMP.2 Compressor circuit 2
VALVE 2 Reverse cycle valve circuit 2
RG66000889-REV.00
Effect after pressing the button
displays the codes of the parameters
increases value
displays the codes of the parameters
decreases value
after 5" password for FACTORY parameters
after 5" forces a manual defrosting cycle
deletes alarms, if any
hour counter reset immediately
default parameters
copies key on the unit's EEprom
copies key on the unit's EEprom
selects heating mode (Heating)
selects cooling mode (Cooling)
adjusts display contrast
silences the buzzer
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