Grundfos SCALA1 System Instructions Manual
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- Installation and operating instructions manual (85 pages) ,
- Safety instructions and other important information (29 pages) ,
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Table of Contents
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Summary of Contents for Grundfos SCALA1 System
- Page 1 GRUNDFOS INSTRUCTIONS SCALA1 System Installation and operating instructions...
- Page 3 SCALA1 System English (GB) Installation and operating instructions ........4...
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Page 4: Table Of Contents
Fault finding ....18 Grundfos Eye SCALA1 ... . 19 The pump does not start ... 20 The pump does not start . -
Page 5: General Information
1.1 Hazard statements If these instructions are not observed, it The symbols and hazard statements below may may result in malfunction or damage to the appear in Grundfos installation and operating equipment. instructions, safety instructions and service instructions. DANGER Tips and advice that make the work easier. -
Page 6: Product Introduction
2. Product introduction 3. Mechanical installation WARNING 2.1 Product description Electric shock The SCALA1 System is used to manage and Death or serious personal injury distribute rain. The system is suitable for irrigation, ‐ Switch off the power supply before you water flushing of toilets and floor cleaning systems. -
Page 7: Wall Installation
Description We recommend installing a feed pump with a maximum system pressure of 8 bar Three-way valve if the distance between the rainwater tank and SCALA1 System is too long. SCALA1 System Filter Feed pump (optional) Rainwater tank Inlet filter/float switch... -
Page 8: Installing The Overflow Connection
Description Mounting screws for the bracket Security screws Follow the steps below to mount the SCALA1 system: 1. Install the mounting bracket on the wall. Make sure it is horizontal using a spirit level, and mark the positions of the holes. -
Page 9: Connecting The Tap Water Pipe
3.3 Connecting the tap water pipe 3.4 Connecting the rainwater inlet pipe The inlet pipe must have an internal diameter of at least 25 mm, and it must always slope towards the When tightening the pipe, make sure the tank. tap water hose does not turn. -
Page 10: Connecting The Outlet Pipe
3.6 Installing the float switch 8 12 16 20 24 28 32 36 40 Installing the float switch Pos. Description Maximum inlet pipe length (horizontal axis) Inlet pipe according to the suction lift (vertical axis) Rainwater tank 3.5 Connecting the outlet pipe Strainer Install an on/off tap upstream of the Float switch... - Page 11 NC C NA SIDE “I” LIVE NEUTRAL SIDE “II” WHITE BLACK GREY BLUE BROWN PINK GREEN YELLOW GRAY/CLOSE A PINK GREEN BROWN/OPEN A YELLOW WHITE/NEUTRAL AUXILIARY MOTOR MICROSWITCH Electrical diagram Pos. Description Relay Power input Three-way valve Terminal Float switch Water source control switch...
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Page 12: Starting Up The Product
4. Starting up the product 4.2 Starting up the pump After installing and priming, follow the following steps to start up the pump. Do not turn on the power supply until the 1. Prime the pump according to the priming pump has been filled with liquid. -
Page 13: Operation
1-Alarm D on to 0-Alarm D off. See the figure below. To ensure optimal performance, the cut-in pressure is set by Grundfos. It is therefore not possible to adjust the cut-in pressure. Starting conditions... -
Page 14: Operating Panel
Dry running or water shortage. The maximum runtime has been exceeded. Symbol Description Grundfos Eye: The indicator light shows the operating status of the product. Start/Stop: Press the button to make the product ready for operation or to start and stop the product. -
Page 15: Auto Reset
5.3 Auto reset The factory setting is on. The auto-reset function works as follows: This function allows the pump to automatically check if the operating conditions are back to normal. If the operating conditions are back to normal, the alarm indication will be reset automatically. -
Page 16: Dry-Running Protection
If the pump starts and stops in a fixed pattern, there is a leakage in the system. The pump stops, Grundfos Eye is flashing red and an indicator light is on. The factory setting for this function is off. -
Page 17: Performance Modes
5.7 Performance modes Different performance modes can be selected for SCALA1. Selecting the correct mode is dependent on the installation. There are 3 performance modes for SCALA1: • self-priming • air handling • positive inlet. The default mode is self-priming, which will be the desired mode for most installations. Performance mode Description Benefits... -
Page 18: Selecting The Performance Mode
5.8 Selecting the performance mode Pos. Description If the performance mode needs to be changed from Air handling the default setting, follow these steps: Self-priming 1. Remove the pump cover. Positive inlet a. Unscrew and remove the priming plug from the pump. -
Page 19: Grundfos Eye Scala1
6.1 Grundfos Eye SCALA1 Grundfos Eye indicates the operating conditions of the motor on the motor operating panel. Grundfos Eye indicator light Grundfos Eye Cause Remedy Power off No lights are on. The motor is not running. Power on Two opposite green indicator lights are permanently on. -
Page 20: The Pump Does Not Start
6.2 The pump does not start 6.4 The pump is not running, and the indicator light for dry running and water shortage is on Grundfos Eye: No lights are on. Grundfos Eye: Two opposite red Cause Remedy indicator lights are flashing simultaneously. -
Page 21: The Pump Starts And Stops Too Frequently
6.5 The pump starts and stops too 6.7 Insufficient pump performance frequently Grundfos Eye: Grundfos Eye: Two opposite green indicator lights are Two opposite green rotating. indicator lights are rotating. Cause Remedy Cause Remedy The pump inlet pressure • Check the pump inlet is too low. -
Page 22: The Pump Is Not Running
6.10 The pump is not running, and the indicator light for leakage in the The pump has been stopped by external input or system is on calendar function. Grundfos Eye: Grundfos Eye: Two opposite yellow lights are permanently Two opposite red indicator lights are flashing simultaneously. -
Page 23: The Pump Is Not Running And Grundfos Eye Is Flashing Red
6.11 The pump is not running and Grundfos 6.12 The pump is running and the motor Eye is flashing red shows a red indicator light Grundfos Eye: Grundfos Eye: Two opposite green Two opposite red indicator lights are indicator lights are rotating. -
Page 24: The Pump Cuts Out During Operation
The fault Overheating due to • Supply cold liquid to indication will still be visible in the excessive liquid the pump. Grundfos GO alarm log. temperature above 45 °C. Overheating caused by • Contact your pump one of the following: supplier. -
Page 25: Maintenance
7. Maintenance 7.1 Cleaning the filter To clean the filter on the SCALA1 system, follow the The system does not require regular maintenance. steps below. The following maintenance activities can be performed preventatively every 6-12 months: • Make sure that the valve closes hermetically and that the float switch can move freely. -
Page 26: Technical Data
8. Technical data 8.1 Operating conditions SCALA1 System 3-35 3-45 Pump water temperature [°C] 5-35 5-35 Max. ambient temperature [°C] Max. liquid temperature [°C] Max. system pressure [bar] Max. inlet pressure [bar] Max. inlet pressure from mains [bar] Max. head [m] Nominal head [m] Nominal flow [m³/h]... -
Page 27: Mechanical Data
13.0 SCALA1 3-45 1 × 230 2800 4.10 17.0 8.4 Dimensions and weights Weight Pump [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [kg] SCALA1 System 533.5 259.3 1" 1" 3/4" 3-35 SCALA1 System 533.5 259.3 1" 1" 3/4" 3-45... -
Page 28: Disposing Of The Product
1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. 3. Dispose of the waste battery through the national collective schemes. If in doubt, contact your local Grundfos company. - Page 29 Argentina Columbia Hong Kong Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Colombia S.A.S. GRUNDFOS Pumps (Hong Kong) Ltd. Ruta Panamericana km. 37.500industin Km 1.5 vía Siberia-Cota Conj. Potrero Unit 1, Ground floor, Siu Wai industrial 1619 - Garín Pcia. de B.A.
- Page 30 Lithuania Serbia Turkey GRUNDFOS Pumps UAB Grundfos Srbija d.o.o. GRUNDFOS POMPA San. ve Tic. Ltd. Smolensko g. 6 Omladinskih brigada 90b Sti. LT-03201 Vilnius 11070 Novi Beograd Gebze Organize Sanayi Bölgesi Tel.: + 370 52 395 430 Tel.: +381 11 2258 740...
- Page 31 92585523 11.2023 ECM: 1374937 www.grundfos.com...
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