537379 1 Laing D5 Series Solar Pump Brochure User Manual
537378 1 Laing D5 Series Solar Solar Pump Brochure 537378_1_Laing D5 Series Solar Solar Pump Brochure
537378 1 Laing D5 Series Solar Pump Brochure 537378_1_Laing D5 Series Solar Pump Brochure
537380 1 Laing D5 Series Solar Pump Brochure 537380_1_Laing D5 Series Solar Pump Brochure
User Manual: Pump 537379 1 Laing D5 Series Solar Pump Brochure
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The first DC spherical motor pump for direct connection to photovoltaic panels with automatic performance optimization using Maximum PowerPoint (MPP) tracking. • Start-up Power Requires Less Than 1 Watt • Directly Connects to P.V. Panel • Economic and Powerful • Wide Variability • ECM Technology • Shaft-less Spherical Motor D5 Solar HOT WATER. HOT SAVINGS. BR-20A D5 Solar Pump Hot Water. Hot Savings. Application • The D5 solar pump can be used for most circulation pump applications without connection to the power grid but with direct connection a photovoltaic panel. • This pump is perfect for single family home thermal solar systems or any circulation pump application where conventional power is not available. Design • The only moving part is a hemispherical rotor/impeller unit which sits on an ultra-hard, wearresistant ceramic ball. • There are no conventional shaft bearings or seals eliminating bearing noise and seal leaks. • This pump is robust and has an estimated service life in excess of 50,000 hours. • The self-realigning bearing is lubricated and cooled by the media. • Even after prolonged shutdown, the pump will start reliably. • All parts exposed to the fluid are completely corrosion resistant. Soft Start-up • When the photovoltaic panel provides sufficient power, the pump goes through the alignment phase by turning the rotor into the position required for start-up. • The processor then waits until the capacitor is sufficiently charged. • This enables a start-up with minimal power (less than one watt). Over-temperature Safety Device • The D5 Solar pump comes with an integrated over-temperature safety device which shuts off the pump electronics when reaching temperatures over 230°F. • When the temperature of the pumped fluid is below 203°F the pump will function normally. • The temperature of the electronic components is influenced by the temperature of the pumped media. • After reaching a critical temperature 203°F the pump will lower its speed automatically in order to avoid a total shutdown. • However, if the temperature continues to rise the pump will eventually shut down completely and automatically restart after cooling down. Maximum Power Point (MPP) tracking Typical Current-Voltage-curve of a photovoltaic panel. By employing MPP tracking every three seconds, the D5 pumps always automatically achieve maximum performance at any given insolation. 1000 W/m2 800 W/m2 600 W/m2 Current I Every three seconds the processor will modify its operating point on the voltage-current curve of the PV panel to find the point of maximum performance. At this point, the pump achieves the maximum rpm and therefore the maximum performance. There is no need for a separate performance device. The ecocirc Solar pump will always find its best operating point under any given light and temperature conditions. 400 W/m2 200 W/m2 Voltage U 3 sec 3 sec Technical Data Motor Design: Electronically commutated spherical motor with permanent magnet rotor/impeller Voltage: 12 - 24 Volt Power Consumption*: Min. start-up power consumption less than 1 Watt, max. power consumption 22 Watts Current Draw: 0.25 - 1.46 A Acceptable Media: Domestic hot water, heating water, water/glycol mixtures, other media on request**. Environment: IP 42 Insulation Class: Class F * Power consumption and start-up may vary in different installations ** Please check pump performance with more than 20 % glycol Hot Water to House Cold Water Supply Solar Panel Solar Collector Solar Storage/ Back-up Water Heater Check Valve Double Walled Heat Exchanger D5 SOLAR Pump Antifreeze Fluid in Collector Loop Only Available Models Part Number Description Model Weight LMB15107992 Lead Free Brass* Solar Circulator 1/2” Sweat D5-SOLAR/720B 2 lbs. LMB15107993 Lead Free Brass* Solar Circulator 1/2” NPT D5 SOLAR/710B 2 lbs. LMB15107995 Lead Free Brass* Solar Circulator 1/2” Union Sweat D5 SOLAR/090B 2 lbs. *Less than 0.25% Pb by weight on wetted parts surface areas. Model Pump Housing Material Max. System Temperature Housing Design Connection Max. Pressure D5 SOLAR/720B Brass 203°F Inline 1/2’’ Sweat connection 150 PSI D5 SOLAR/710B Brass 203°F Inline 1/2’’ Female pipe thread 150 PSI D5 SOLAR/090B Brass 203°F Inline / BV+CV+PV* 1/2’’ Union Sweat 150 PSI * built-in ball valve, check valve and purge valve D5 SOLAR/720B D5 SOLAR/090B 14 12 12 10 10 Feet of Head 14 8 6 4 2 0 0 1 2 3 4 5 6 8 6 4 2 0 7 0 1 2 GPM 3 4 5 6 7 6 7 GPM 14 12 10 10 8 8 3.14” 3.15” 12 6 4 6 4 2 2 0 4.21” 3.07” 1/2” 1/2” 14 1 - 18 UNS 1.18” 1.37” 2.7” Feet of Head D5 SOLAR/710B 0 1 2 3 42.56”5 6 D5 SOLAR/710B and D5 SOLAR/720B 7 0 02.56”1 2 D5 SOLAR/090B Xylem Inc. 3878 S. Willow, Suite 104 Fresno, CA 93725 Tel: (559) 265-4730 (800) 554-6853 Fax: (559) 265-4740 (800) 453-7523 www.xyleminc.com/brands/laingthermotech Laing Thermotech is a trademark of Xylem Inc. or one of its subsidiaries. © 2012 Xylem, Inc. BR-20A November 2012 3 4 5
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