Appendix
29
Greenstar – 6721852556 (2022/11)
Table 37 DHW temperature sensor NTC in sensor pocket
Table 38 Outdoor ambient temperature sensor
Circuit diagram
Fig. 53 Circuit diagram
[1]
Control unit
[2]
Low voltage connections
[3]
Mains power supplies
[4]
Low voltage connections
[5]
Mains power supplies
[6]
EMS-BUS controller connection
[7]
Temperature sensor NTC outside temperature
[8]
230V external control system
[9]
Limiter thermostat (only for station with integrated pump)
remove jumper to connect the high limit safety cut-out (for
underfloor heating circuit protection)
[10] Mains 230V supply
[11] Flow temperature sensor NTC primary circuit
[12] Circulating pump
[13] Flow temperature sensor NTC heating circuit
[14] Heating control valve
[15] DHW control valve
[16] Return temperature sensor NTC heating circuit
[17] Domestic Hot Water outlet sensor NTC
[18] Flow turbine
[19] Jumper (electronic summer bypass function)
[M]
M-Bus connection for heat meter
Resistance
Temperature
°C
Resistance
Temperature
°C
14772
20
2744
65
11981
25
2322
70
9786
30
1990
75
8047
35
1704
80
6653
40
1464
85
5523
45
1262
90
4608
50
1093
95
3856
55
950
100
3243
60
Resistance
Temperature
°C
Resistance
Temperature
°C
95893
-20
19860
10
72228
-15
15693
15
54889
-10
12486
20
42069
-5
10000
25
32506
0
8060
30
25313
5
8060
35
2
18
17
16
12
11
13
15
14
10
6
7
4
3
5
9
8
LR L
120/230 VAC
PW2
PW1
N
14 N
14 N
1
M
19
