Dig 1
Dig 2
Dig 3
Relay 1
N
21
23
25
41
Relay 2
Relay 3
24 VAC
24
Dig 4
Dig 5
Dig 6
Dig 7
71
72
73
74
42
41
HRU
Heating
Cooling
EF unit
76
Damper
SF unit
22
26
31
24 VAC
65
Runnning
information 230 V
Damper control 0 ... 10V
HRU control 0 ... 10V
Heating control 0 ... 10V
24 VAC output
24 VAC output
51
64
63
61
43
32
Alarm
contact
62
66
75
27
5 x 1.5 N
AHU
(230VAC, 6(1)A)
1/1 output control
AHU
(230VAC, 6(1)A)
1/2 output control
Neutral wire
230V
Control voltage
Alarm central
Meas.3
Meas.4
Meas.5
Meas.6
Meas.7
Meas.8
Meas.9
Meas.10
Meas.11
Bus
interface
Meas.1
TMO tai TMD
EIA-232 RX
EIA-232 TX
EIA-232 GND
2 x 0.8
DATAJAMAK
2x(2+1)x0,24
Meas.2
Field device
1
2 x 0.8
2 x 0.8
2
3
TMW tai TMS
TMD
4
5
6
2 x 0.8
2 x 0.8
2 x 0.8
TMW tai TMS
7
8
9
2 x 0.8
2 x 0.8
10
11
EH-105
CONNECTION GUIDE
example 2
EH-105
A
B
C
D
HRU frosting over, pressure information from 1/1 output
TMD
TMI
CONTACTOR CONTROLLED AH UNIT WITH CONTRADICTION ALARMS
Room temperature
Supply air after HRU
(HRU efficiency measurement)
TMR
SF fan 1/1 running information
PDS
NET
24VAC or damper On/Off
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
56
TMD
PDS
SF fan ½ running information
Heating pump running information
SF filter PDS
EF filter PDS
81
82
83
N
L
2 x 1.5 N
230V
Control voltage
L (230V)
230 VAC, 50Hz
Power supply
Outdoor temperature
Supply air temperature
Exhaust air temperature
Radiator circuit return water temperature
Alarm information from controller
max. 46 V, 1A
Heating actuator
24 VAC
0...10VDC-ctrl
63
41
Damper On/Off 24VAC
One wire control
24VAC
51
41
Open
AH running permit for distribution center (230VAC, 6(1)A)
EF fan 1/1 running information
EF fan ½ running information
HRU frosting over, pressure information from 1/2 output
Gr
Ye
AB
C
D
Jumper
wire
Modem connection
Br
Modem
connecting
cable
If the modem is connected to the RS-485 bus, see Connection
in the instructions that come with the RS-485 card.
EH-105
regulator