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
Alarm information from controller
max. 46 V, 1A
Exhaust air filter detector (EF filt. PDS)
1
2 x 0.8
2 x 0.8
2
3
TMI
TMD
4
5
6
2 x 0.8
2 x 0.8
7
8
9
10
11
2 x 0.8
2 x 0.8
A
B
C
D
Supply air temperature
Radiator circuit return water temperature
(Electric heater overheating protection)
TMD
TMI
Heating pump thermal relay
Supply air filter detector (SF filt. PDS)
PDS
SF fan 1/2 speed thermal relay
SF fan 1/1 speed thermal relay
Exhaust temperature after HRU
(frost protection)
TMD
CONTACTOR CONTROLLED AH UNIT WITH THERMAL PROTECTION ALARMS
PDS
AH unit control 1/1 speed with external switch
NET
AHU
(230VAC, 6(1)A)
1/1 output control
AHU
(230VAC, 6(1)A)
1/2 output control
Neutral wire
230 VAC
AH unit running information
230V
Control voltage
Power supply 230 VAC, 50Hz
230V
Control voltage
Dig 1
Dig 2
Dig 3
Relay 1
N
L
L (230V)
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
81
82
83
Damper
SF unit
22
26
31
24 VAC
65
Running
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
3 x 1.5 N
5 x 1.5 N
24 VAC
24 VAC
24 VAC
24VAC or damper On/Off
24 VAC
24 VAC
57
EF fan 1/2 speed thermal relay
EF fan 1/1 speed thermal relay
Outdoor temperature
Exhaust air temperature
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)
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
EH-105
CONNECTION GUIDE
example 3
EH-105
