A.O. Smith DRE 52, Installation, User And Service Manual

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1
1. Temperature control
knob
To start the water heater:
1.
Make sure that the water heater is not connected to the mains power supply.
2. Open the door of the water heater.
Warning
Live cables inside! Switch off the power supply completely (on local isolator) before
opening the outer door to access the electrical components.
3. Remove the isolating material.
4. On each row of heating elements, turn the temperature control knob to the desired
temperature setting.
Setting Temperature
O 57 °C
LO 60 °C
MED 72 °C
HI 83 °C
5. Replace the isolating material.
6. Close the door of the water heater.
7. Connect the water heater to the mains power supply.
8.7 Decommisioning
To decommission the water heater:
1.
Turn off the water heater (see 8.7.1)
2. Drain the water heater
8.7.1 Turn off the water heater
Refer to the procedure in the user part to Turn off the water heater (see 4.2) and isolate
the water heater from the mains power supply.
8.7.2 Draining
Refer to the installation diagram when you drain the water heater:
1.
If applicable, close the service stop valve (11) in the hot water pipe.
2. If applicable, close the stop valves (4) of the circulation pipe (C).
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42 Installation, Maintenance and Service part
EN