Draining
46
Instruction manual ADMR
6
gis
6.2
Draining vented
installations
Installation diagram
Some service activities require the appliance to be drained. The procedure is as
follows:
1. Activate the
MENU
with
.
2. Position the cursor in front of
OFF
.
3. Confirm
OFF
with
.
4. Switch the appliance OFF (position 0) using the ON/OFF switch on the
control panel.
5. Isolate the water heater from the power supply by putting the isolator
between the appliance and the mains power supply to position 0.
6. Shut off the gas supply (10).
7. Close the stop valve (11) in the hot water pipe.
8. Close the stop valve (4) between the water tank and the cold water inlet (A).
9. Open the drain valve (9).
10. Bleed the appliance (or installation) so that it drains completely.
Legend
Only applicable numbers are
mentioned.
3. T&P valve
4. stop valve (recommended)
5. non-return valve (mandatory)
6. circulation pump (optional)
7. top to bottom circulation pump
(optional)
9. drain valve
10. manual gas valve (mandatory)
11. service stop valve (mandatory)
12. temperature gauge
(recommended)
14. hot water draw-off points
17. 3-way aeration valve
(recommended)
18. water tank
19. float valve
A. cold water supply
B. hot water supply
C. circulation pipe
D. gas supply
E. overflow pipe
H. overflow pipe
10
D
4
5
7
4
3
B
A
4
E
C
14
11
C
4
6
4
5
9
17
4
12
18
19
H
14
14
IMD-0141 R3
MENU
»OFF
^ ON
È WEEK PROGRAM
Содержание ADMR - 40
Страница 4: ...4 Instruction manual ADMR gis ...
Страница 10: ...Introduction 10 Instruction manual ADMR 1 gis ...
Страница 54: ...Shutting down 54 Instruction manual ADMR 10 gis ...
Страница 62: ...Main menu 62 Instruction manual ADMR 11 gis ...
Страница 76: ...is Instruction manual ADMR 76 ...
Страница 78: ...Maintenance frequency 78 Instruction manual ADMR 14 is ...
Страница 84: ...Performing maintenance 84 Instruction manual ADMR 15 s ...
Страница 92: ...Appendices 92 Instruction manual ADMR 17 is ...
Страница 94: ...Instruction manual ADMR 94 ...