Draining
44
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.
Summary of Contents for ADM - 115
Page 1: ......
Page 2: ......
Page 4: ...4 Instruction manual ADM gis ...
Page 10: ...Introduction 10 Instruction manual ADM 1 gis ...
Page 32: ...Installation 32 Instruction manual ADM 3 is ...
Page 40: ...Conversion to a different gas category 40 Instruction manual ADM 4 is ...
Page 46: ...Draining 46 Instruction manual ADM 6 gis ...
Page 50: ...Status of the appliance 50 Instruction manual ADM 8 gis ...
Page 52: ...Starting and running 52 Instruction manual ADM 9 gis ...
Page 54: ...Shutting down 54 Instruction manual ADM 10 gis ...
Page 60: ...is Instruction manual ADM 60 ...
Page 72: ...Appendices 72 Instruction manual ADM 14 is ...
Page 74: ...0306 132 4 0 UK Index Instruction manual ADM ...