Key facts
- Manuals
- 12
- Languages
- EN · ZH · JA
- Last added
- 2026-10-01
Featured Grundfos manuals
Grundfos Alldos DDI User Manual
This document is identified as the Grundfos Alldos DDI manual. It repeatedly references the product name and the manufacturer throughout its five pages.
Although the extracted text is largely nonsensical, it serves as the official manual for the Alldos DDI, containing the manufacturer's references and various technical statements related to the product.
Grundfos SPK, CRK Immersible Pumps Product Guide
This guide covers the SPK and CRK series of immersible pumps, presenting general data, performance ranges, product descriptions, and details on pumped liquids. It includes installation guidance, construction material options, and dimensional drawings.
Technical sections provide performance curves, motor data, shaft seal types, and ambient temperature limits. Additional pages contain application photos, quotation text, and references to further product documentation such as WebCAPS and WinCAPS tools.
Covers: Mission · General data · Performance range · Product description · Pumped liquids · Installation
Grundfos CU 301 Installation Guide
The Grundfos CU 301 controls pump speed to keep water pressure constant. It receives pressure sensor signals and communicates with the pump via mains‑borne signalling, eliminating extra wiring.
The guide covers system sizing, sensor placement, pre‑charge pressure, alarm handling, LED and fuse locations, wiring diagrams, and detailed technical specifications such as supply voltage, power consumption and environmental limits.
Covers: Constant‑pressure control · System sizing · Positioning the pressure sensor · Pre‑charge pressure setting · Operating functions · Alarm functions
Grundfos Comfort Pump Installation and Operation Manual
This manual provides step‑by‑step installation guidance, including recommended horizontal mounting, valve isolation, and head‑relief procedures for the Grundfos Comfort Pump. Safety cautions cover hot surfaces, proper positioning, and fluid temperature limits.
Operational features are explained, such as the 24‑hour AM/PM timer with 20‑minute intervals, aquastat temperature adjustment between 95 °F and 150 °F, and troubleshooting tips for air removal and noise reduction. Maintenance instructions detail impeller cleaning and warranty information.
Covers: Installation · Operation · Timer Programming · Aquastat Adjustment · Maintenance · Safety Precautions
Latest Grundfos manuals
Grundfos Alldos DDI User Manual
User Manual 5 pages · 122 KB · ENThe Grundfos Alldos DDI user manual provides information for the Alldos DDI pump system.
Grundfos SPK, CRK Immersible Pumps Product Guide
User Manual 43 pages · 3.4 MB · ENThe Grundfos SPK and CRK immersible pump product guide provides specifications, performance data, installation instructions, and application information for…
Grundfos CU 301 Installation Guide
Installation Guide 28 pages · 754 KB · ENThe manual provides installation steps, system sizing, sensor positioning, pressure settings, alarm functions and technical data for the Grundfos CU 301…
Grundfos Comfort Pump Installation and Operation Manual
User Manual 16 pages · 319 KB · ENInstallation, operation, timer programming, aquastat settings and maintenance instructions for the Grundfos Comfort Pump.
Grundfos Sololift2 C-3 Installation and User Manual
User Manual 14 pages · 2.5 MB · ZHInstallation, operation, maintenance and troubleshooting guide for the Grundfos Sololift2 C-3 wastewater lift station.
Grundfos CR 15-5 A-F-A-V-HQQV technology data
This product is a Grundfos CR 15-5 A-F-A-V-HQQV multistage centrifugal pump. It is a vertical, non-self-priming pump that can be installed in pipe systems and on a foundation.
Grundfos CR 15-12 A-F-A-E-HQQE technology data
The document describes the features of the high-pressure centrifugal pump CR 15-12 A-F-A-E-HQQE produced by Hartmann Elektrotechnik GmbH. The pump is vertically installed and has suction and pressure ports of the same size (inline configuration). The pump hydraulic components consist of a base with electrophoretic coating, a corrosion-resistant head, and stainless steel impeller sets with floating Teflon seals. The base and head are connected by bolts and a stainless steel pump casing. The motor shaft and pump shaft are connected by a balanced shell-type coupling. The pump is equipped with a service-friendly replaceable high-wear suspension ring seal, and for motors with a rated power of 11 kW and above, a dismantling coupling is provided. The motor is an externally cooled 3-pole Grundfos motor, with high efficiency class EFF1, and power and main dimensions according to DIN/IEC standards. Motors with a power of 3 kW and above are equipped with a built-in thermistor (PTC) according to DIN 44 082.
Grundfos CR 64-6 A-F-A-E-HQQE technology data
This is a high pressure centrifugal pump, model CR 64-6 A-F-A-E-HQQE. It has a corrosion resistant coating and floating bearing Teflon split rings. It is composed of a stainless steel pump body and an electric motor.
Grundfos CR 10-2 A-A-A-E-HQQE technology data
This is a price list of a high pressure centrifugal pump
Grundfos CM5-4 A-R-G-V-AQQV technology data
CM5-4 A-R-G-V-AQQV is a compact horizontal multistage centrifugal pump from Grundfos, with a 3 phase, 220-240D/380-415Y V, 50 HzHz foot mounted motor. The pump has an axial suction port and a radial discharge port, and includes a specially designed mechanical shaft seal in the AQQV solution. The shaft, impellers, chambers and filling plugs are made of stainless steel. Suction and discharge are made of Stainless steel. The CM can also operate as a CME by connecting the motor to a CUE. Please find more information in the CUE part of Win/WebCAPS.
Grundfos CM5-11 A-R-G-V-AQQV technology data
The CM5-11 A-R-G-V-AQQV is a compact horizontal multistage centrifugal pump with a 3-phase, 220-240D/380-415Y V, 50 HzHz foot-mounted motor. The pump has an axial suction port and radial discharge port including a special designed mechanical shaft seal in the solution AQQV. Shaft, impellers, chambers and filling plugs are made of stainless steel. Suction and discharge are made of Stainless steel. The CM can also operate as a CME by connecting the motor to a CUE. Please find more information in the CUE part of Win/WebCAPS.
Grundfos SQEP Submersible Pump Pressure Control Unit User Manual
User Manual 20 pages · 2.2 MB · JAThe Grundfos SQEP submersible pump pressure control unit user manual provides installation, operation, safety and troubleshooting instructions.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Installation Guide
Mounting, wiring and first power-up. Read it before the hardware goes in.
Questions answered in Grundfos manuals
What is the name of the product covered by this manual?
The manual is for the Grundfos Alldos DDI.
Who is the manufacturer of the Alldos DDI?
The manufacturer is Grundfos.
What is the maximum ambient temperature for SPK/CRK pumps?
The pumps are rated for a maximum ambient temperature of +104 °F (+40 °C).
Where is the terminal box positioned on North American SPK/CRK pumps?
The terminal box is mounted at the 9 o’clock position by default.
When does the pump start during water consumption?
The pump starts automatically when the pressure drops at a rate of 0.1 bar/s or faster.
How should the pre‑charge pressure of the diaphragm tank be set?
It must be set to 70 % of the desired pressure setting.