GRUNDFOS INSTRUCTIONS SCALA Installation and operating instructions
English (GB) English (GB) Installation and operating instructions Original installation and operating instructions. Warning These installation and operating instructions describe Grundfos SCALA domestic water supply pumps. Prior to installation, read this document and the quick guide. Installation and operation must comply with local regulations and accepted codes of good practice. Sections 1-4 give the information necessary yo be able to unpack, install and start up the product in a safe way.
. Installing the product Make sure that the pump is not stressed by the pipework. 3.1 Location The pump can be installed indoors or outdoors, but it must not be exposed to frost. We recommend that you install the pump near a drain or in a drip tray connected to a drain in order to lead away possible condensation from cold surfaces. 3.1.1 Minimum space The pump can be installed in small spaces such as a cupboard. It requires a minimum space of 430 x 215 x 325 mm (17 x 8.5 x 12.8 inches).
3.5 Installation examples H2 3.5.1 Mains water pressure boosting Inlet pipe must be submersed at least 0.5 m (1.64 ft) 3.5.3 Suction from freshwater tank 1 1 2 2 7 3 9 4 3 4 6 2 8 3 Fig. 4 5 min1 Mains water pressure boosting 7 Pos.
3.6 Suction pipe length The overview below shows the different possible pipe lengths, depending on the vertical pipe length. Warning The electrical connection must be carried out by an authorised electrician in accordance with local regulations. The overview is only intended as a guide. Warning L TM06 4372 2115 H Before making any connections in the product, make sure that the power supply has been switched off and that it cannot be accidentally switched on. Fig.
. Product introduction 6.1 Product description When the pump is started up for the first time, or when the shaft seal has been replaced, a certain run-in period is required before the leakage is reduced to an acceptable level. The time required for this depends on the operating conditions, that is, every time the operating conditions change, a new run-in period will be started. 1 5 2 6 Under normal conditions, the leaking liquid will evaporate. As a result, no leakage will be detected. 3 4 7 5.
6.4 Identification 6.4.1 Nameplate SCALA2 3 -45 A K C H D E Type range: 1 DK-8850 Bjerringbro, Denmark 15 2 SCALA2 3-45 AKCHDE Model A 200-240V 50/60Hz Made in Serbia Hmax Hmin Hnom Qnom Tamb.max 16 PCS XXXXX.XX.XX 04-6292.2.41-2003 LSPr-022-IDN NRP XXX-XXX-XXXXXX 3 4 P/N 99999999 S/N P/C 1519 45 m 16 m 27 m 3 3 m /h 55 C 10 Tliq.max/Psyst.max: 45 C/1MPa 11 12 I(A) P1(W) Min. 0.01 2 Max. 2.8 550 17 Fig. 11 Example of nameplate Pos.
BAR 7.1 Menu overview, SCALA2 PSI Water colum kPa MPa } } } } 5.5 80 55 550 0.55 5.0 73 50 500 0.50 4.5 65 45 450 0.45 4.0 58 40 400 0.40 3.5 51 35 350 0.35 3.0 44 30 300 0.30 2.5 36 25 250 0.25 2.0 30 20 200 0.20 1.5 22 15 150 0.15 TM06 4187 1615 [m] TM06 3301 5114 Fig. 14 Pressure indication table SCALA2 Note The pressure settings 4.5, 5.0 and 5.
English (GB) 8. Operating the controller 8.1 Setting the outlet pressure . 8.2 Locking and unlocking the operating panel Auto reset The operating panel can be locked, which means that the buttons do not function and no settings can be changed accidentally. Anti cycling How to lock the operating panel 1. Hold down the seconds. Maximum continuous operating time buttons simultaneously for three Exit expert "menu" 2. The operating panel is locked when symbol lights up.
To remove the outlet non-return valve, follow the steps below: Warning 1. Turn off the power supply and disconnect the power plug. 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. 2. Shut off the water source. 10.1 Maintaining the product 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 fig.
English (GB) 12. Fault finding the product 12.1 Grundfos Eye operating indications Grundfos Eye Indication Description No lights on. Power off. The pump is not running. Two opposite green indicator lights running in the Power on. direction of rotation of the pump. The pump is running. Two opposite green indicator lights at a 45 ° Power on. angle is the icon used throughout this document The pump is running. for pump running. Two opposite green indicator lights permanently Power on. on.
.3 Fault finding chart English (GB) Warning Before starting fault finding, switch off the power supply. Automatic reset Indicator light Fault Grundfos Eye Make sure that the power supply cannot be accidentally switched on. 1. The pump is not running. - Cause Remedy a) Power supply failure Switch on the power supply. Check the cables and cable connections for defects and loose connections and check for blown fuses in the electrical installation.
5. The pump can be reset, but runs only for a few seconds. Cause Remedy Yes a) The maximum pressure has been exceeded - the inlet pressure is higher than 6 bar, 0.6 MPa (85 psi) Check the inlet conditions. Yes b) The maximum pressure has been exceeded - equipment elsewhere in the system causes a high pressure at the pump (e.g. water heater or defective safety equipment) Check the installation.
. Disposal This product has been designed with focus on the disposal and recycling of materials. The following disposal values apply to all variants of Grundfos SCALA pumps: 13.1 Operating conditions Maximum ambient temperature: 1 x 208-230 V, 60 Hz: 45 °C (113 °F) 1 x 115 V, 60 Hz: 45 °C (113 °F) 1 x 200-240 V, 50/60 Hz: 55 °C (131 °F) Maximum liquid temperature: 45 °C (113 °F) Maximum system pressure: 10 bar, 1 MPa (145 psi) Maximum inlet pressure: 6 bar, 0.
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