Storing And Handling The Product; Handling; Storing; Winterizing - Grundfos SCALA Installation And Operating Instructions Manual

5. Storing and handling the product

5.1 Handling

Take care not to drop the pump as it may
break.

5.2 Storing

In case the pump is to be stored for a period of time,
drain it and store it in a dry location.
Temperature range during storing must be -40 to 70
°C (104 to 158 °F).

5.3 Winterizing

If the pump is going to be out of operation during the
winter and can be exposed to frost, it must be
disconnected from the power supply and winterized.
Proceed as follows:
1. Stop the pump by means of the on/off button
2. Disconnect the power supply.
3. Open a tap to release the pressure in the pipe
system.
4. Close the isolating valves and/or drain the pipes.
5. Gradually loosen the priming plug to release the
pressure in the pump.
6. Remove the drain plug to drain the pump. See
fig. 10.
Fig. 10 Draining the pump
5.3.1 Startup after the winter
Check that the pump is not blocked by following the
steps in section 9.1 Deblocking the pump.
See section 4. Starting up the product.

6. Product introduction

6.1 Product description

Fig. 11 Grundfos SCALA pump
Pos. Description
1 Air valve for built-in pressure tank
.
Operating panel. See section 7. Control
2
functions.
3 Nameplate. See section 6.4.1 Nameplate.
Plug for access to pump shaft. See section
4
9.1 Deblocking the pump.
Priming plug. See section 4.1 Priming the
5
pump.
Outlet opening. With ± 5 ° flexible
6
connection. See section 3.4.1 Pipework.
Inlet opening. With ± 5 ° flexible
7
connection. See section 3.4.1 Pipework.
8 Drain plug. See section 5.3 Winterizing.
9 Ventilation holes. Must not be flooded.

6.2 Application

The pump is suitable for pressure boosting of fresh
water in domestic water supply systems.

6.3 Pumped liquids

The pump is designed for clean fresh water and
chlorinated water < 300 ppm.
1
2
3
4
9
5
6
7
8
9