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�a�ua�e di I�sta��a�i��e Us� e �a�ute��i��e � I�sta��ati��� Use a�d
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pag� 27
ModBus
Address
Content
Range
Default
Access
Record Position (*)
00
Useless, without meaning
Reserved
Main Control
01
Useless, without meaning
Reserved
By-wire
02
By-pass opening temperature X
5-30
19 °C
Read / Write
Main Control
03
By-pass opening temperature range Y
2-15
3 °C
Read / Write
Main Control
04
Defrosting interval
15-99
30 min
Read / Write
Main Control
05
Defrosting enter temperature
-9…+5
-1 °C
Read / Write
Main Control
06
Defrost duration time
2-20
10 min
Read / Write
Main Control
07
CO2 sensor
28-C8 (392-1960 ppm)
66 (1000 ppm)
Read / Write
Main Control
08
ModBus address
1-
1
Read / Write
Main Control
09
ERV ON/OFF
0-OFF 1-ON
Read / Write
Main Control
10
Supply fan speed
Fan speed:
0= stop, 2= speed 1
3= speed 2, 5= speed 3,
8= speed 4, 9= speed 5,
10= speed 6, 11= speed 7,
12= speed 8, 13= speed 9,
14= speed 10.
Read / Write
Main Control
11
Exhaust fan speed
Fan speed:
0= stop, 2= speed 1
3= speed 2, 5= speed 3,
8= speed 4, 9= speed 5,
10= speed 6, 11= speed 7,
12= speed 8, 13= speed 9,
14= speed 10.
Read / Write
Main Control
12
Room temperature
observed value (offset= +40)
Read
Main Control
13
Outdoor temperature
observed value (offset= +40)
Read
Main Control
14
Exhaust air temperature
observed value (offset= +40)
Read
Main Control
15
Defrosting temperature
observed value (offset= +40)
Read
Main Control
16
External ON/OFF signal
query value
Read
Main Control
17
CO2 ON/OFF signal
query value
Read
Main Control
18
Useless, without meaning
Reserved
Main Control
19
Useless, without meaning
Reserved
Main Control
20
Error symbol
query value:
B2 - OA temperature error
B5 - EEPROM error
B4 - RA temperature error
B3 - Fr temperature error (auto
defrosting)
Read
Main Control
21
ERV models selection
Reserved
Main Control
22
Defrosting models
0
Read / Write
Main Control
23
Mode of fan speed displaying
0 - Two speeds (AC motor)
1 - Three speeds (AC motor)
2 - Ten speeds (DC motor)
2
Reserved
Main Control
24
Function parameter
0 - None
1 - Reset timer of fan operation
2 ….5 - Reserved
0
Read / Write
25
Timer of filter jam alarm
0 - After 45 days
1 - After 60 days
2 - After 90 days
3 - After 180 days
0
Read / Write
Main Control
768
Read the CO2 concentration
Unit: ppm
Read
Main Control
769
Read the timer of fan operation
Unit: 0,1 hour
Range: 0…65535
Read
Main Control
(*) Main control: the setting is recorded in the PCB
By-wire: the setting is recorded in the controller panel
TABE��A VARIABI�I ��DBUS
TAB�E �F ��DBUS VARIAB�ES
Содержание ACFR MICRO E 100H
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