Grundfos ALPHA2 GO - Table of Contents; General Information; Hazard Statements

English (GB) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information ........................4
1.1 Hazard statements..........................4
1.2 Notes ..................................5
1.3 Recommended safety equipment .................5
2. Product introduction........................5
2.1 Product description .........................5
2.2 Intended use .............................5
2.3 Foreseeable misuse .........................6
2.4 Pumped liquids ............................6
2.5 Identification..............................6
2.6 Approvals and markings ......................7
3. Receiving the product.......................7
3.1 Inspecting the product........................7
3.2 Scope of delivery...........................7
4. Mechanical installation ......................7
4.1 Mounting the pump .........................7
4.2 Changing the pump head position ................8
5. Electrical connection .......................9
5.1 Assembling the power plug.....................9
5.2 Wiring diagram ...........................10
5.3 Control box connections .....................10
5.4 Accessories .............................11
6. Starting up the product .....................12
6.1 Venting the product ........................12
6.2 Dry-running protection.......................12
6.3 Robust start .............................12
7. Control functions .........................12
7.1 Operating panel ..........................12
8. Control modes...........................13
8.1 Constant curve ...........................13
8.2 Constant pressure .........................14
8.3 Proportional pressure .......................14
8.4 AUTOADAPT ............................14
8.5 Constant flow ............................14
8.6 PWM signal .............................15
8.7 Replacement of UPM3 or UPM4 pump ............18
9. Setting of the product ......................18
9.1 Enabling Bluetooth.........................18
9.2 Connecting the product to Grundfos GO............18
9.3 Setting of the pump in Grundfos GO ..............19
9.4 Air detection and system venting ................19
9.5 Flow limitation............................19
9.6 Night setback ............................19
9.7 Trend data ..............................19
9.8 Updating the software .......................19
9.9 Resetting to factory settings ...................19
10. Service ...............................20
10.1 Dismantling the product......................20
11. Fault finding ............................20
11.1 Alarm and warning code logs ..................20
11.2 Faults indicated on the pump ..................20
11.3 Resetting alarms and warnings manually with Grundfos
GO ..................................21
11.4 Noise in the system ........................21
11.5 Code 57 (Dry running).......................21
11.6 Code 51 (Blocked pump) .....................21
11.7 Code 40 (Undervoltage) .....................21
11.8 Code 4 (Overvoltage) .......................21
11.9 Code 72 (Internal fault) ......................21
11.10 Code 76 (Internal fault) ......................22
11.11 Code 85 (Internal fault) ......................22
11.12 Code 132 (Corrupted or missing GSC file) ..........22
11.13 Code 25 (Incorrect PWM configuration) ............22
11.14 Code 43 (Forced pumping)....................22
11.15 Code 35 (Air in media) ......................22
12. Technical data ...........................23
13. Disposing of the product ....................24
14. Document quality feedback ..................24
1. General information
Read this document before you install the product.
Installation and operation must comply with local
regulations and accepted codes of good practice.
1.1 Hazard statements
The symbols and hazard statements below may appear in Grundfos
installation and operating instructions, safety instructions and
service instructions.
DANGER
Indicates a hazardous situation which, if not avoided, will
result in death or serious personal injury.
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious personal injury.
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate personal injury.
The hazard statements are structured in the following way:
SIGNAL WORD
Description of the hazard
Consequence of ignoring the warning
• Action to avoid the hazard.
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English (GB)