Installation Diagram; Water Connections; Cold Water Connection - State Water Heaters SCC 40-40 Installation, User And Service Manual

8.3
n
n
8.4
8.4.1
40

Installation diagram

Note
This manual only discusses unvented installations.
Fig. Installation diagram
Note
Use this installation diagram when you:
• install the water connections (see section 8.4)
• install the condensate drain (see section 8.5)
• install the gas connection (see section 8.6)
• fill the water heater (see section 8.9.1)
• drain the water heater (see section 8.10.2)

Water connections

Cold water connection

Install the cold water connection:
1. Install an approved stop valve (4), as required by the applicable regulations.
1. Pressure relief valve
(mandatory if the
mains water pressure
is too high)
3. T&P valve
4. Stop valve
(recommended)
5. Non-return valve
6. Circulation pump
(optional)
9. Drain valve
10. Manual gas valve
11. Service stop valve
(recommended)
12. Temperature gauge
(optional)
13. Condensate drain
14. Draw-off points
15. Expansion valve
16. Expansion vessel
A. Cold water supply
B. Hot water outlet
C. Circulation pipe
D. Gas supply
Installation, Maintenance and Service part