Appliance information
6 720 808 928 (2017/06)
10
2.9
Electrical schematic
Fig. 6
Electrical schematic
[1]
Control unit
[2]
Low voltage connections (rear in service position)
[3]
230V connections (rear in service position)
[4]
Low voltage connections (front in service position)
[5]
230V connections (front in service position)
[6]
Sense II connection
[7]
Outdoor weather sensor
[8]
230V external control system
[9]
Limiter connection (pre-wired link) remove link to connect limit
thermostat (for under-floor heating circuit protection)
[10] Mains 230V supply
[11] Circulating pump
[12] Flow sensor NTC (central heating)
[13] Return sensor NTC (district heating)
[14] Central heating control valve
[15] Domestic Hot Water control valve
[16] Supply sensor NTC (district heating)
[17] Domestic Hot Water outlet sensor NTC
[18] Flow turbine
[M]
Provision for heat meter M-Bus connection
6720808928-14.1W
o
2
18
17
16
11
12
15
14
13
10
6
7
4
3
5
1
9
8
1
5
3
2
4
M
LR
L
120/230 VAC
PW2
PW1
N
14
N
14
N
Содержание Worcester Greenstar HIU
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