Grundfos SMART Digital S DDA/DDC Dosing Pump

Installation and Operating Instructions

Product Overview

The Grundfos SMART Digital S series includes DDA and DDC dosing pumps. The DDA model offers a capacity of up to 30 l/h (8 gph), while the DDC model offers up to 15 l/h (4 gph).

For detailed installation and operating instructions, please refer to the following links:

DDA: net.grundfos.com/qr/i/95724708
DDC: net.grundfos.com/qr/i/95726994

Additional resources can be found at: wszystkodobasenow.pl/pompy-dozujace-grundfos

Safety Information

! Always follow safety instructions during installation and operation.

! Electrical Hazard: Ensure power is disconnected before performing any maintenance.
! Chemical Hazard: Handle chemicals with appropriate personal protective equipment (PPE).
! Pressure Hazard: Ensure system pressure is within the pump's operating limits.
Consult the full installation and operating manual for detailed safety guidelines.

Technical Specifications

Operating Temperature Range:
DDA: -10 °C to +45 °C (14 °F to 113 °F)
DDC: 0 °C to +45 °C (32 °F to 113 °F)
Noise Level: ≤ 60 dB(A)
Ingress Protection: IP 65 (Nema 4x)
Power Supply: 100-240 V, 50/60 Hz

Performance Curves:

The document includes performance curves showing the relationship between pressure (p) in bar (psi) and flow rate (Q) in l/h (gph) for various DDA and DDC models (e.g., DDA 7.5-16, DDC 6-10, DDC 15-4, DDA 30-4).

Note: The differential pressure (P₂ - P₁) must be ≥ 1 bar (15 psi).

Installation Guidelines

Mounting:

Ensure a minimum clearance of 100 mm (4 inches) around the pump for ventilation and maintenance.
The pump can be mounted vertically or horizontally.
Maximum weight of the pump is 4 kg (8.8 lb).

Electrical Connection:

Connect the pump to a 100-240 V, 50/60 Hz power supply.
Follow wiring diagrams provided in the manual for correct connections.
Ensure proper grounding.

Tubing Connections:

The document illustrates the connection of suction and discharge tubing.
Ensure tubing is securely fastened to prevent leaks.
Maximum suction lift is 1.5 m (59 inches).

Installation Steps (Illustrated):

The manual provides step-by-step visual instructions for installation, including:

Step 1: Attaching the mounting bracket using TORX PLUS (15 IP) screws.
Step 2: Securing the pump to the bracket.
Step 3 & 4: Connecting tubing and electrical connections.
Step 5, 6a, 6b, 7a, 7b, 8, 9, 10, 11, 12: Various stages of assembly and connection, including click-in mechanisms and electrical interface details.
Step 13: Calibration process, involving setting language, operation mode, and analog output.
Step 14: Calibration volume measurement (V1 and V2).
Step 15, 16, 17, 18, 19: Operational states (OK, Warning, Alarm) and their corresponding display indicators.
Step 20: Installation of the valve/diaphragm kit.
Step 21: Connecting the pump head and ensuring proper torque (4 Nm / 2.95 lb/ft).

Operation

The pump features a digital display for operation and settings. Key operational aspects include:

Language Settings: Users can select from English, Deutsch, Francais, Espanol, and Italiano.
Operation Mode: Options include Manual and Auto deaeration.
Analog Output: Configuration for input signals.
Calibration: A guided calibration process is available to ensure accurate dosing. This involves measuring initial volume (V1) and final volume (V2) to calculate the calibration volume.

The display indicates different operational statuses such as 'Ok', 'Warning', and 'Alarm'.

Troubleshooting and Maintenance

Refer to the full manual for detailed troubleshooting guidance and maintenance procedures.

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