Alarm center
24 VAC
L
L
2 x 0.8
2 x 0.8
2 x 0.8
3 x 0.8
3 x 1.5 N
2 x 1.5 N
Meas.3
Meas.4
Meas.5
Meas.6
Meas.7
Meas.8
Meas.9
Meas.10
Meas.11
Dig 1
Dig 2
Dig 3
Relay 2
Relay 1
Net
connection
Meas.1
TMO
EIA-232 RX
EIA-232 TX
N
L
EIA-232 GND
2 x 0.8
3 x 1.5 S
DATAJAMAK
2x(2+1)x0,24
Meas.2
Field apparatus
NET
T1
T2
T3
T10
T1
1
X
1
X2
X3
K1
AC
M
1
M2
M3
RE
2
2
3
0V5
0H
z
RE
1
Actuator control H1 circuit
(24 VAC)
Relay control
R2 (230VAC, 6(1)A)
Relay control
R1 (230VAC, 6(1)A)
Distribution center
power supply 230 VAC
24 VAC
0...10V
DC-input
3-point
controlled
actuator
DC-volt
age
controlled
actuator
L
N
1
TMW or TMS
2 x 0.8
TMR
2 x 0.8
2
3
TMW tai TMS
TMW or TMS
TMW or TMS
T4
T5
T6
4
5
6
TMW or TMS
2 x 0.8
2 x 0.8
2 x 0.8
TMW tai TMS
TMW or TMS
TMW or TMS
or TMEXH
T7
T8
T9
7
8
9
TMW or TMS
2 x 0.8
2 x 0.8
2 x 0.8
TMW or TMS
10
11
21
22
TMW or TMS
2 x 0.8
2 x 0.8
2 x 0.8
23
24
25
26
31
32
41
42
51
52
53
54
55
56
57
58
59
60
61
62
71
72
73
74
75
81
82
83
84
2 x 0.8
3 x 0.8
24 VAC
0...10V
DC-input
Open
Closed
3 x 0.8
24 VAC
0...10V
DC-input
OUMAN EH-203
GENERAL CONNECTION DIAGRAM
OUMAN EH-203
A
BC
D
51
52
54
55
56
58
59
60
62
EH-203
regulator
Information transfer bus
connection EIA- 232
Pulse information (contact inform.)
Outdoor sensor
H1 supply water sensor
H1 room sensor
Free measurement
(Name using the text editor)
Supply water sensor (HW)
HW circulating water sensor
Anticipation sensor
Alarm information from regulator
max. 46V, 1A
24 VAC output
H1 return water sensor
H2 supply water sensor
Pulse information (contact inform.)
Pulse information (contact inform.)
Free measurement
(Name using the text editor)
Free measurement
(Name using the text editor)
Free measurement
(Name using the text editor)
Actuator H1
Actuator HW
contact
Actuator H2
24 VAC
output
Alarm
Open
Closed
Open
Closed
Actuator control H2 circuit
(24 VAC)
Actuator control HW circuit
(24 VAC)
EH-203 heating regulator
Cabling
41
Gr
Ye
AB
C
D
Jumper
wire
Modem connection
Br
Fargo
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-203
regulator
Note! Connect a protective cable
if an LON card is installed in the EH-203