Electrical Wiring Diagram - Worcester GREENSTAR 24 Installation, Commissioning And Servicing Instructions

5.4

ELECTRICAL WIRING DIAGRAM

16
15
13
2
1
AC 230 V
12
Fig. 46
[1] Ignition transformer
[2] Flow temperature control
[3] Terminal strip, 230 V AC
[4] Fuse, 2.5 A slow (230 V AC)
[5] Temperature control for hot water
[6] Connection for temperature limiter TB1 (24 V DC)
[7] DHW circulation pump connection, or external heating circuit
pump in a consumer circuit w/o mixer (secondary circuit) Select
service function 5.E
[8] Fuse, 0.5 A slow (5 V DC)
[9] Fuse, 1.6 A slow (24 V DC)
[10] Code plug
[11] Transformer
[12] Main switch
[13] Connecting lead with plug
[14] DHW temperature sensor
[15] Gas valve
6 720 811 922 (2014/07)
21
19 20
18
17
14
3
LR Ls Ns N L
4
9V/25 V
11
AC 230V
22
6
24
26
5
PR PO NP LP
6
7
8
9
10
[16] Air pressure switch (30 kW only)
[17] Flue gas temperature limiter
[18] Temperature sensor, CH flow
[19] Ignition electrode
[20] Flame monitoring electrode
[21] Temperature limiter for heating block
[22] Fan
[23] Flow turbine
[24] Central heating pump
[25] 3-way valve
[26] Connection for external heating pump (primary circuit)
Select service function 1.E,  page 35
[27] Connection for BUS device, e.g. FW100, FR110
[28] Connection for low voltage/volt free connections,
 page 33 for more information
[29] Connection for outside temperature sensor
23
25
B
27
B
4
28
2
1
F
29
6
A
4
6 720 812 922-02.1O
Electrical
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