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10 | Installation
Mono-lever taps and thermostatic mixer taps
All mono-lever taps and thermostatic mixer taps can be used.
LPG
To protect the appliance against excessive pressure:
▶ Fit a pressure regulator with a safety valve.
5.2
Checking the size of the expansion vessel
The following diagram provides you with a rough estimate of whether the
installed expansion vessel is sufficient or whether an additional
expansion vessel is required.
The characteristic curves shown are based on the following key data:
• 1% water volume in expansion vessel or 20% of nominal volume of
expansion vessel
• Differential operating pressure of the safety valve of 0.5 bar,
according to DIN 3320
• Pre-charge pressure of expansion vessels matches static head of the
system above the heat exchanger
• Maximum operating pressure of 3 bar
T / °C
90
B
80
70
V
60
IV
50
40
A
30
0
50
100
150
200
Fig. 6
I
Pre-charge pressure 0.2 bar
II
Pre-charge pressure 0.5 bar (default setting)
III
Pre-charge pressure 0.75 bar
IV
Pre-charge pressure 1.0 bar
V
Pre-charge pressure 1.2 bar
t
Flow temperature
V
V
System content in litres
A
A
Operating range of the expansion vessel
B
Additional expansion vessel required
▶ If intersection is on the limit: determine the exact size of the vessel
according to DIN EN 12828.
▶ If the intersection is to the right of the curve: install additional
expansion vessel.
8 716 473 216 (2014/09)
III
II
I
250
300
350 400
450 500
V
/ l
6 720 610 421-07.2O
A
5.3
Siting the appliance
Regulations concerning the installation site
N
A
A
F
M
G
E
Flue terminal positions
for boilers in accordance
with AS5601
Fig. 7
Key to illustration
Fan assisted flue terminal position
Terminal Position
A
Directly below, an opening window, air vent or
other ventilation opening
B
Below guttering, drain pipes or soil pipes
C
Below eaves
D
Below balconies or a car port roof*
E
From vertical drain pipes or soil pipes
F
From internal or external corners
G
Above adjacent ground, roof or balcony level
H
From a surface facing the terminal
I
From a terminal facing the terminal
K
Vertically from a terminal on the same wall
L
Horizontally from a terminal on the wall
M
Adjacent to opening
N
Above intersection with roof
O
For a vertical structure on the roof
Table 8
Installations in car ports are not recommended.
O
C
N
B,C
B,C
K
M
L
K
F
K
F
G
G
G
D
J
K
H, I
G
8 716 473 216-20.1O
Minimum
Spacing
1000mm
75mm
300mm
300mm
75mm
300mm
300mm
1500mm
1200mm
1500mm
300mm
300mm
500mm
500mm
Gaz 6000 W
L
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