2.3 - Terminal
The terminal is supplied equipped with an LCD screen (8 lines x 22 characters) and 6 keys. It is installed on the front of the electrics
box for the unit or remotely. It is connected to connector J15 on the PLC via a telephone cable.
It is used to modify the programme parameters and view the machine state
2.3.1 - Machine status
The terminal is used to view the machine state.
List of symbols and explanations
U:01 Indicates the unit's address on the pLAN bus
Indicates the unit run or shutdown request
Icon On/off request for the unit
Off from the terminal or the CMS
ashing
On from the terminal or the CMS and off via the remote control
On from the terminal or the CMS
21.4°C Indicates the set temperature value (room, extraction or intake)
14:32 Indicates the time
On Indicates the unit state
Unit status Description
Off The unit is off
Off due to a fault The unit is stopped following a fault
On The unit is operational
On setpoint 1 The unit is operational with the setpoints 1
On setpoint 2 The unit is operational with the setpoints 2
Night cooling Night cooling mode is active
Frost protection The unit is stopped but is providing frost protection
Manual mode Test mode is active
Fire protection Fire protection is active
Control active Indicates the operating status
Operating status Description
Damper opening The isolation damper is in the process of opening
Ventilation start-up The ventilation is in the process of starting up
Control active The control functions are active
Limited regulation
Certain control functions are not authorised
(e.g. Flow rate insufcient for electrical heater or DX unit operation)
Fan delay The unit is in the process of stopping but the ventilation remains active to cool the electric heaters or the gas burner
Free cooling Free cooling is in progress
Outdoor temperature limit The outdoor temperature is too low for the unit to operate.
DX unit defrosting The DX unit is defrosting.
2 - THE CONTROL PLC
EN-7 FLOWAY ACCESS
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