38
Instruction manual TWI 35-130 G/TWI 45-190 G
6
Drain
6.1
Drain unvented
installations
6.2 Drain
vented
installations
For some activities the device needs to be drained. Proceed as follows:
1.
Electrically isolate the device by turning the main switch between the
device and the electricity mains to the 0 position.
2.
Shut off the gas supply (10).
3. Close the stop valve (11) in the hot water pipe.
4. Close the stop valve (4) in the cold water pipe (A).
5. Connect the discharge hose to the drain valve (9).
6. Open the drain valve (9).
7. Aerate the device (or installation) allowing it to completely empty.
For some activities the device needs to be drained. Proceed as follows:
1. Electrically isolate the device by turning the main switch between the
device and the electricity mains to the 0 position.
2. Shut off the gas supply (10).
3. Close the stop valve (11) in the hot water pipe.
4. Close the stop valve (4) between de water tank and the cold water inlet (A).
5. Connect the discharge hose to the drain valve (9).
6. Open the drain valve (9).
7. Aerate the device (or installation) allowing it to completely empty.
Summary of Contents for TWI 35-130
Page 2: ...www aosmithinternational com your installer...
Page 3: ...Instruction manual TWI 35 130 G TWI 45 190 G 1...
Page 4: ...2 Instruction manual TWI 35 130 G TWI 45 190 G...
Page 6: ...4 Instruction manual TWI 35 130 G TWI 45 190 G...
Page 25: ...Instruction manual TWI 35 130 G TWI 45 190 G 23 Device types IMD 0531 R0...
Page 36: ...34 Instruction manual TWI 35 130 G TWI 45 190 G 4 Conversion to another gas category...
Page 44: ...42 Instruction manual TWI 35 130 G TWI 45 190 G 8 Shut down...
Page 58: ...56 Instruction manual TWI 35 130 G TWI 45 190 G Annex 12...
Page 61: ...Instruction manual TWI 35 130 G TWI 45 190 G 59...
Page 62: ...60 Instruction manual TWI 35 130 G TWI 45 190 G 0308 489 R1 0...
