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Summary of Contents for Grundfos ALPHA Series
- Page 1 GRUNDFOS INSTRUCTIONS ALPHA ™ Variable speed circulators with Auto ADAPT Installation and operating instructions 3191277...
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Page 2: Table Of Contents
Grundfos are subject to the warranty Installation provided by the manufacturer of said products 5.1 Quick install tips and not by Grundfos' warranty. Grundfos will not 5.2 Mechanical installation be liable for damage or wear to products caused by abnormal operating conditions, accident, 5.3 Changing the power head position... -
Page 3: Symbols Used In This Document
Rated current (A): • Min.: Minimum Current (A) 3.1 Introduction • Max.: Maximum Current (A) Grundfos Alpha is suitable for systems with Input power (W): constant or variable flows where it is desirable to • Min.: Minimum Power (W) optimize the setting of the pump duty point. -
Page 4: Installation
ADAPT mode. 5. You may change hydraulic selection while pumping. No permanent damage will occur. In fact, Grundfos encourages testing the various hydraulic modes with your hydronic system to ensure maximum energy savings and comfort level. 6. Zone panel control applications - when there... -
Page 5: Changing The Power Head Position
National Electric Code and state, local codes and regulations. Power head orientation B • The motor of Grundfos Alpha is protected by the electronics in the control box and requires no external motor protection. • Check that the supply voltage and frequency... -
Page 6: Control Display
6. Operation 5.4.1 For line cord models Follow procedure outlined in fig. 5. 6.1 Control display Insert line cord plug onto pump (side view): To remove cord plug from pump (bottom view): Fig. 7 Control display 1. Insert 1/8 in. flat blade Pos. -
Page 7: Performance* And Operation Mode Selection
6.2 Performance* and operation mode selection AUTO ADAPT Operating range (maximum - minimum) * Hydraulic performance without check valve. Pos. Description • Push-button for selection of pump setting • Every time the push-button is pressed, the circulator setting is changed High Fixed Speed •... -
Page 8: Fault Finding
7. Fault finding Warning Before starting any work on this circulator, make sure electrical supply has been switched off and that it cannot be accidentally switched on. Pump liquid may be scalding hot and under high pressure. Fault Control panel Remedy The pump does not run Check power supply (voltage) and... -
Page 9: Technical Data
8. Technical data Warning Supply voltage: In domestic hot water systems, it is recommended to keep the liquid 1 x 115 V, + 10 %/- 10 %, 60 Hz. temperature below 149 °F (65 °C) to Motor protection: eliminate the risk of lime The pump requires no external motor protection. -
Page 10: Approvals
9. Disposal 8.1 Approvals This product or parts of it must be disposed of in 3191277 an environmentally sound way; please use the public or private waste collection service. Subject to alterations. FCC Sections: Section 15.19 (a) 3: This device complies with Part 15 of the FCC Rules. - Page 11 GRUNDFOS Kansas City GRUNDFOS Canada GRUNDFOS México 17100 West 118th Terrace 2941 Brighton Road Boulevard TLC No. 15 Olathe, Kansas 66061 Oakville, Ontario L6H 6C9 Canada Parque Industrial Stiva Aeropuerto Phone: (913) 227-3400 Phone: +1-905 829 9533 C.P. 66600 Apodaca, N.L. México...
- Page 12 L-AL-TL-001 98722880 0814 ECM: 1139527 www.grundfos.com...
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