A.O. Smith TWI 35-130, Instruction Manual

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Instruction manual TWI 35-130 G/TWI 45-190 G 41
You can:
• Shut down the device for a short time;
• Electrically isolate the device;
• Shut down the device for a long period.
For shutting down the device for a short time, maximally turn the thermostat
counterclockwise. This setting corresponds with a temperature of about 10 ºC,
which protects the device from freezing.
1. Maximally turn the thermostat counterclockwise.
2. Wait until the fan stops.
Caution
The device may be damaged if you do not wait until the fan has stopped
purging.
3. Electrically isolate the device by turning the main switch between the
device and the electricity mains to the 0 position.
Drain the device when shutting it down for a longer period. Proceed as follows:
1.
Electrically isolate the device (8.3 “Electrically isolate the device”) .
2. Close the gas supply.
3. Close the stop valve in the hot water pipe.
4. Close the supply valve of the protected cold supply setup.
5. Connect a discharge hose to the drain valve.
6. Open the drain valve
7. Aerate the device (or installation) allowing it to completely empty.
8.1 Introduction
8.2 Shut down the device
for a short time
8.3 Electrically isolate
the device
8.4 Shut down the device
for a long period
8 Shut down