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Les langues disponibles
2
2.1 Installation diagram This figuur shows the installation diagram. This diagram is referred to in the sections
VENTED
3
Legend
1. pressure relief valve
(mandatory if mains water
pressure is too high)
3. T&P-valve (mandatory)
4. stop valve (recommended)
5. non-return valve (mandatory)
6. circulation pump (optioneel)
9. drain valve
IT 400 / 500 / 600 / 750 / 1000
Installation
describing the actual connection procedure.
H
17
A
19
E
4
18
12
11
14
14
14
4
9
IMD-0450
11. service stop valve
12. temperature gauge (optional)
14. draw-off points
15. expansion valve (mandatory)
16. espansion vessel (mandatory)
17. 3-way aeration valve (recommended)
18. cold water head tank
19. float switch
UNVENTED
12
11
3
A. cold water supply
B. hot water supply
C. circulation pipe
E. overflow pipe
F. inlet heat exchanger
G. outlet heat exchanger
H. overflow protection
14
14
14
16
A
15
5
1
4
9
IMD-0449
25
A
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