Finalization; Commissioning; Filling - State Water Heaters SCC 40-40 Installation, User And Service Manual

8.8.3.3
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8.8.4
8.9
8.9.1
0312884_SCC_UKUK_V1.0, 2017-10-03
Additional error signal
Note
The water heater has a relay contact that can be used when an error occurs. The relay
contact is potential–free (maximal 5 A).
Install an additional error signal:
1. Pull the power cable through the tulles.
2. Connect the cables to X1 and X2.
3. Install the cables in a pull relief under the electrical section.

Finalization

When all connections are made, install the cover on the water heater:
1. Place the cover on the water heater.
2. Use a hex driver to tighten the screw at the front of the cover.
Fig. Install the cover

Commissioning

To commission the water heater:
1. Fill the water heater (see section 8.9.1)
2. Check the air pressure differential (see section 8.9.2)
3. Check the gas supply pressure (see section 8.9.3)
4. Check the CO value (see section 8.9.4)
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5. Turn on the water heater (see section 8.9.5)

Filling

Refer to the installation diagram (see section 8.3) when you fill the water heater:
1. Open the stop valve (11) in the hot water supply pipe.
2. If applicable, open the stop valves (4) of the circulation pipe (C).
3. Make sure that the drain valve (9) is closed.
4. Open the nearest hot water draw-off point (14).
5. Open the stop valve (4) of the cold water supply pipe (A). Cold water flows into the
water heater.
6. Fill the water heater until a full water jet flows from the nearest draw-off point. The
water heater is completely full.
7. Open all draw-off points to bleed the entire installation of air.
The water heater is now under water supply pressure.
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