AERMEC prd 1 Manual De Uso página 8

Installation
To install the remote terminal, no confi guration is re-
quired on the µC2, as the terminal works with any serial
address set for parameter H10. When fi rst switched on
the display will show the fi rmware version of the µC2.
After around 4s the main screen will be displayed, with
the symbols that represent the status of the µC2. In the
event where the RS485 connection is not performed
correctly or the controller is off, the terminal will clear
the display and show the message "OFFLINE" .
Functions associated with the buttons:
Button Unit status
Swich off buzzer or alarm relay, if alarm active
a
Manual reset of alarms that are no longer active
b Enter parameter programming mode after entering password
Return to higher subgroup inside the programming environment until exi-
c
ting, saving to EEPROM
Select higher item inside the programming environment
d Increse value
Switch from stamby to chiller mode and vece-versa
Access direct parameters
e
Select item inside the programming environment and display direct para-
metr values/confirm the changes to the parameter
Select lower item inside the programming environment
f Decrease value
Switch from standby to heat pump mode and vice-versa
d + f Immediately reset the hour counter (inside the programming enviroment)
e + d Start manual defrost on both circuits
d+f+e Dispaly the terminal info screen
a
b
Set
Prg
c
Info mode
Pressing the "Up" + "Down" + "Sel" buttons together
for more than 6 seconds displays the "INFO" screen
(Fig. D) containing information on the µC2 system and
on the communication. Pressing the "Prg" button re-
turns to the main screen.
Information displayed (info mode)
row
1 Terminal firmware version
2 Microchiller firmware version
3 Supervisor address of the microchiller
4 Percentage error rate in the communica-
tion between the terminal and microchiller
Sel
d
Meaning
d
e
f
Button operation
Press once
Press for 5 s
Press once
Press once
Press once
Press once
Press for 5 s
Press for 5 s
Press once
Press once
Press once
Press once
Press for 5 s
Press for 5 s
Press for 6 s