Control Panel - AERMEC DMH Serie Manual De Instalación

5

CONTROL PANEL

Once the unit has been powered up, it will go to OFF, then press the ON/OFF key to bring it to the ON state; one of the following functioning modes will follow on the display:
— dEh: summer dehumidification - LED L3 lit
— - Int: summer dehumidification + cooling - LED L4 lit (only for DMH-I version)
— - Fan: winter heating - LED L5 lit.
By pressing the SET key, and then the UP/DOWN keys, it is possible to display machine status information, such as probe temperature, input/output status and functioning
hours; repeated pressing of the SET key allows the value associated with each parameter to be displayed.
The display status is exited by prolonged pressure on the SET key or 60 seconds after the last release of the UP/DOWN or SET keys.
Connection Type I/O
S01-GND Analog input
S02-GND
Analog input
S03-GND Analog input
S04-GND Analog input
HP-GND
Digital Input ID1
BP-GND ID2 digital input
TIMER-GND ID3 digital input
RES-GND ID4 digital input
FC-NC R01 digital output
FD-ND R02 digital output
FV-NV
R03 digital output
FR-NR
R04 digital output
INT-GND R07 digital output
By pressing the M button, programming is accessed, a condition indicated by the flashing of LED 12. Confirming this choice with the set button, LED 12 becomes steady, then,
by entering the 3-digit password (000-999) and confirming it with the set button, it is possible to access the branches:
— CFn: Configuration
— dFr: defrost
— ALL: alarm
For each branch, once the parameter to be changed has been identified, press the SET button to display its value, press the UP/DOWN buttons to change its value, press the
SET button again to confirm and return to the parameter display.
The programming status is exited by prolonged pressure on the SET key or 60 seconds after the last release of the UP/DOWN or SET keys.
CAUTION it is possible to restore the factory settings by performing an initialisation procedure which consists of setting the unit to OFF and pressing the
UP and DOWN buttons simultaneously for 5 seconds. The message "ini" appears on the display to confirm initialisation.
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I/O Status Display Table
I/O Meaning
Water input temperature
Inlet air temperature
Evaporator temperature
Condenser temperature
High pressure switch (H51=0)
High/low pressure switch (H51=1)
Low pressure switch (H51=0)
Summer integration (H51=1)
Humidistat consent
Winter thermostat consent
Compressor consent
Summer integration valve consent
Fan consent
Circulator/shut-off valve consent
Cumulative alarms
Key:
1 Display
2 Key (Down)
3 Key (UP)
4 key (Set)
5 Key (On/Off)
6 Key (Function)
L1 - Compressor activation LED
L2 - Fan activation LED
L3 - Dehumidification activation LED
L4 - Summer integration activation LED
L5 - Winter integration activation LED
L6 - Programming mode activation LED
L7 - Alarm signalling LED
I/O Status Display
S01 probe reading
S02 probe reading
S03 probe reading
S04 probe reading
HP pressure switch status (H51=0)
HP/BP pressure switch status (H51=1)
BP pressure switch status (H51=0)
Summer integration status (H51=1)
Dehumidifier status
Winter forced air heater status
Compressor status
Valve status
Fan status
Circulator/shut-off valve status
Alarm status
0 = Open (alarm)
1 = Closed
0 = Open (alarm)
1 = Closed / Active
0 = Inactive
1 = Active
0 = Inactive
1 = Active
0 = Off
1 = Active
0 = Off
1 = Active
0 = Off
1 = Active
0 = Off
1 = Active
0 = Open
1 = Closed (alarm)
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