Figure 3
Figure 4
Cold water
Hot water
4
1
2
3
Vertical installation
on a wall
Horizontal installation
on a wall
Vertical installation
on a wall
Horizontal installation
on a wall
1
1
2
3
BRINGING BACK INTO SERVICE AFTER MAINTENANCE
Refer to chapter "Starting Up procedure", page 31
3. Connect the drain valve (
2
) to the sewer using a flexible hose.
4. Open the drain valve (
2
) and drain the water from the primary circuit to the drain.
5. Open the tank’s air bleed valve (
3
) to accelerate drainage.
6. Close the drain valve (
2
) and air bleed valve (
3
) after draining the tank.
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 drain the water from the DHW tank to the sewer.
5. To accelerate the tank’s drainage, open a hot water tap located higher than the tank
connection in the DHW circuit.
6. Close the drain valve (
2
) and the hot water tap (
3
) after having drained the DHW tank.
(SL only)
Smart SL-SLEW
: A1007850 - 661Y1700 • F - draft
Maintenance
EN
34
Содержание Smart SL 100
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