To determine exactly what the alarm indicates, check the trouble shooting page of the I & O (Installation and Operation manual). So, most likely the problem is not with the pump itself but somewhere within the system. Installing the product 3 3.1 Location 3 3.2. Receiving the product 2 2.1 Inspecting the product 2 2.2 Scope of delivery 2 3. Best for a big house with 5-6 bathrooms 5. Grundfos CMBE5-62 Variable Speed Water Pump. High-End water pressure pumps with automatic variable speed 3. General information 2 1.1 Target group 2 1.2 Symbols used in this document 2 2. Grundfos CMBE3-62 Automatic Variable Speed Booster Pressure Water Pump. The SCALA2 alarms are designed to indicate problems within the installation. 2.2 Scope of delivery The box contains the following items: 1 Grundfos SCALA pump 1 quick guide 1 safety instructions booklet. But it is important to tighten the priming plug by hand and continue until the plug reaches the bottom of the sealing surface. If necessary, you can use a screwdriver to loosen the priming plug. So please, only use hands to tighten connections. SCALA2 can be installed in three easy steps: 1.

55 C Maximum operating pressure, 10 bar Maximum permissible inlet pressure, 6 bar Pipe connection, G 1. SCALA2 incorporates integrated speed control enabling the keeping of the perfect pressure at the taps, meaning that the pump performance will increase with increasing demand. Specifications Range of ambient temperature, 0. (As the label indicates.) Even though the connections are robustly constructed and reinforced, using tools can introduce so much force that cracks can occur. Grundfos SCALA2 is a fully integrated, self-priming, compact waterworks for pressure boosting in domestic applications. The SCALA2 pump is designed so that no tools will fit, so you should only use your bare hands to tighten the connections. Tightening the connections and priming plug Here’s some helpful advice that should clear up any confusion. I want to order or purchase a product or service. Select the situation that best matches your own to get started. Some installers working with Grundfos’ SCALA2 boosting pump have had questions about which tools to use, and some have found it difficult to understand the LED alarm indicators. Designed with good suction lift capabilities, the SCALA2 is able to draw water up to 8 metres vertically below the level of the pump. SCALA2 is self-priming, allowing for use from both above and below ground water sources and the water-cooled motor ensures quiet operation. Find the help and support you need with your pumps and services, no matter what you are looking for.

Grundfos scala 2 operation