DRAINING THE DHW TANK (Figure 4)
To drain the hot water heater’s DHW tank:
1.
Open fully the hot water tap (
3
) for at least 60 minutes to make sure the DHW tank has
cooled down sufficiently.
2. Close the filling valve (
1
) and the stop valve (4).
3. Connect the drain valve (
2
) to the sewer using a flexible hose.
4. Open the drain valve (
2
) and the air vent (
5
) to drain the water from the DHW tank to
the sewer.
5. Close the drain valve (
2
) and the air vent (
5
) after having drained the DHW tank.
SLE - SLE Plus: A1007847 - 661Y2100 • D
Maintenance
BRINGING BACK INTO SERVICE AFTER MAINTENANCE
Refer to chapter "Starting Up", page 25
31
EN
Figure 4
1
4
2
3
Cold water
Hot water
4
5
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