Grundfos SCALA2 Instructions

11. Servicing the product
DANGER
Electric shock
Death or serious personal injury
‐ Before starting any work on the product, make sure
that the power supply has been switched off and that it
cannot be accidentally switched on.
11.1 Maintaining the product
11.1.1 Insect filter
The pump has an insect filter to prevent insects from nesting in the
pump.
The filter is placed on the bottom and can easily be removed and
cleaned with a stiff brush. See the figure below..
Clean the insect filter once a year or as needed.
TM064537
Insect filter
11.1.2 Inlet and outlet valves
The pump is maintenance-free, but we recommend that you check
and clean the inlet and outlet non-return valves once a year or as
needed.
1
2
3
4
5
TM1040332
SCALA2 pump
To remove the inlet non-return valve, follow the steps below:
1. Turn off the power supply and disconnect the power plug.
2. Shut off the water source.
3. Open a tap to release the pressure in the pipe system.
4. Close the isolating valves and/or drain the pipes.
5. Gradually open and remove the priming plug. See the figure
above (5).
6. Remove the drain plug and drain the pump. See the figure
above (8).
7. Unscrew the union nut holding the inlet connection. See the
figure above (7). Depending on the installation type, it may be
necessary to remove the pipes from both the inlet and outlet
connections.
8. Pull out the inlet connection.
9. Pull out the inlet non-return valve.
10. Clean the non-return valve with warm water and a soft brush.
11. Assemble the components in reverse order.
To remove the outlet non-return valve, follow the steps below:
1. Turn off the power supply and disconnect the power plug.
2. Shut off the water source.
3. Open a tap to release the pressure in the pipe system.
4. Close the isolating valves and/or drain the pipes.
5. Gradually open and remove the priming plug. See the figure
above (5). The plug and non-return valve are one unit.
6. Clean the non-return valve with warm water and a soft brush.
7. Assemble the components in reverse order.
1
2
TM064331
Outlet and inlet non-return valves
Pos. Description
1 Outlet non-return valve
2 Inlet non-return valve
11.2 Customer service information
For further information on service parts, see Grundfos Product
Center on www.product-selection.grundfos.com.
11.3 Service kits
For further information on service kits, see Grundfos Product Center
at www.product-selection.grundfos.com.
19
English (GB)

Grundfos SCALA2 Specifications

General

Max Inlet Pressure	6 bar
Pumped Liquid	Clean water
Maximum Operating Pressure	10 bar
Installation	Indoor
Mains Frequency	50/60 Hz
Connection Size	1 inch
Pump Type	Self-priming, centrifugal pump
Max Flow	3 m³/h
Power Supply	1 x 200-240 V
Power Consumption	550 W
Liquid Temperature Range	0°C to +45°C
Protection Class	X4D
Weight	10 kg
Approvals	CE, EAC
Maximum Ambient Temperature	+55°C
Type of Inlet Connection	G 1 inch
Type of Outlet Connection	G 1 inch
Material	Stainless steel