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INSTALLATION
Specification
16.5 Hydraulic diagram
< 500
15
16
13
9
14
11
12
11
1 Discharge below fixed grate
2 Cold water supply
3 Shut-off valve
4 Line strainer
5 Pressure reducing valve
6 Balanced pressure; cold water outlet
7 Non-return valve
8 Safety assembly
9 Tundish
10 Metal discharge pipe (D2) from tundish, with continuous fall
11 Equipotential bond
12 Drain valve
13 Cylinder
14 DHW outlet
15 T&P valve
16 Metal discharge pipe (D1) from T&P valve to tundish
17 Expansion vessel
18 Expansion valve
Minimum size of discharge pipe D1
Minimum size of discharge pipe D2 from tundish
Maximum permissible pressure drop, expressed as
a length of straight pipe (i.e. no elbows or bends)
Pressure drop of each elbow or bend
Connection dimensions
Safety assembly connection
Expansion valve end connection
Expansion vessel connection, male, BSP
Tundish inlet connection
Tundish outlet connection
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17
18
8
7
6
5
4
3 2 1
10
mm
mm
22
28
m
9
18
m
1.0
1.4
mm
mm
mm
mm
16.6 Heat-up diagrams
The heat-up time depends on the cylinder capacity, cold water
inlet temperature and heating output.
Diagrams refer to 15 °C cold water inlet temperature:
Temperature setting 50 °C
8
6
4
2
30
Temperature setting 70 °C
12
10
8
6
4
2
15
35
27
30
X Nominal capacity in l
1.7
Y Duration in h
1 1 kW
2 2 kW
22
3 3 kW
15
G ¾ A
4 4 kW
22
28
16.7 Fault conditions
In the event of a fault, temperatures of up to 85 °C at 0.6 MPa
can occur.
50
80
100
120
50
80
100
120
SHZ S (GB) |
1
2
3
4
150
1
2
3
4
150
13
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Troubleshooting
