Installation instructions S-HR series page 24
G gas pipe
A flow connection central heating
R return connection central heating
C condensation pipe
E expansion tank pipe (S-HR-T)
K cold water pipe (S-HR-T)
W hot water pipe (S-HR-T)
T1 flow sensor
T2 return sensor
T3 calorifier sensor HWS (S-HR-T)
T5 flue gas sensor (if fitted)
P1 water pressure sensor
13 Diagram showing various parts of the unit
unit diagram
figure 16
G
A
R
C
E
K
W
T1
T2
P1
10
11
12
13
2
1
8
14
4
5
3
T5
6
7
18
T3
16
15
9
17
