Draining
40
Instruction manual ADM
6
gis
6.1
Draining unvented
installations
Some service activities require the appliance to be drained. The procedure is as
follows:
1. Shut down the appliance by setting the ON/OFF switch on the control panel
to
position 0
.
2. Isolate the water heater from the power supply by putting the isolator
between the appliance and the mains power supply to position 0.
3. Shut off the gas supply (10).
4. Close the stop valve (11) in the hot water pipe.
5. Close the supply valve of the cold water supply (A).
6. Open the drain valve (9).
7. Bleed the appliance (or installation) so that it drains completely.
6.2
Draining vented
installations
Some service activities require the appliance to be drained. The procedure is as
follows:
1. Shut down the appliance by setting the ON/OFF switch on the control panel
to
position 0
.
2. Isolate the water heater from the power supply by putting the isolator
between the appliance and the mains power supply to position 0.
3. Shut off the gas supply (10).
4. Close the stop valve (11) in the hot water pipe.
5. Close the stop valve (4) between the cold water head tank and the cold
water inlet.
6. Open the drain valve (9).
7. Bleed the appliance (or installation) so that it drains completely.
IMD-0507 R0
1
2
IMD-0507 R0
1
2
Содержание ADM - 40
Страница 4: ...4 Instruction manual ADMP gis...
Страница 32: ...Installation 32 Instruction manual ADM 3 is...
Страница 36: ...Conversion to a different gas category 36 Instruction manual ADM 4 is...
Страница 42: ...The control panel 42 Instruction manual ADM 7 gis...
Страница 44: ...Status of the appliance 44 Instruction manual ADM 8 gis...
Страница 46: ...Starting and running 46 Instruction manual ADM 9 gis...
Страница 48: ...Shutting down 48 Instruction manual ADM 10 gis...
Страница 59: ...Instruction manual ADM 59 is 14 Appendices 14 1 Introduction This section gives the electrical diagram...
Страница 62: ...Appendices 62 Instruction manual ADM 14 is...
Страница 64: ...0311 812 1 1 UK Index Instruction manual ADMP...