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Grundfos Geo-Flo Universal Pump Controller, Installation, Operating And Maintenance Manual, Page: 25 / 36

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GEO-FLO UNIVERSAL PUMP CONTROLLER: UPC-GEO |  23

Appendix E: Controller Mounting Template

 6" 

SUGGESTED MOUNTING 

HOLE LOCATIONS

SUGGESTED MOUNTING 

HOLE LOCATIONS

This document must be printed full-scale to properly mark the mounting-hole locations. The 

Page Scaling in the Print dialog box in Adobe Acrobat must be set to None. The 6-inch line can 

be used as reference to ensure the document has been printed full-scale.

Summary of Contents for Geo-Flo Universal Pump Controller

Page 1: ...cts Corporation 905 Williams Park Drive Bedford Indiana 47421 U S A Main Number 812 275 8513 Toll Free 800 784 8069 Fax 888 477 8829 Document 3704 Rev 05JUL2016 Installation Operating and Maintenance...

Page 2: ...iring Single Unit Magna GEO Pump 5 Wiring One Flow Center Two Heat Pumps 8 Wiring 0 10 VDC output 10 Setup 11 Quick Start Procedure 11 General Navigation 11 Main Page 11 System Status 12 Setup Menu 12...

Page 3: ...ion rejection in KBTU H Two lockout modes allow the installer to choose whether to lock the system parameters so they cannot be inadvertently changed or to lock the screen so the feedback temperatures...

Page 4: ...GEO attempts to satisfy the T requirement by first using the more efficient Magna GEO 32 140 pump If the Magna GEO reaches its maximum performance level before satisfying the T set point requirement...

Page 5: ...Approvals Certified to CSA C22 2 No 24 Conforms to UL Standard 873 Dimensional Data A B C D E F G H I J Weight Inches 5 1 8 6 11 16 1 7 8 3 3 8 5 5 8 3 3 8 1 11 16 1 4 3 16 1 2 standard conduit knock...

Page 6: ...ll bit Hammer Small Philips or flathead screwdriver Wire cutters strippers Electrical Tape Legend of Abbreviations EWT Entering Water Temperature from loop to heat pump LWT Leaving Water Temperature t...

Page 7: ...accessory relay contacts are not isolated from the 24 VAC heat pump transformer and may create a dirty power signal especially heat pumps with thermostat controlled ECM fan motors symptom includes var...

Page 8: ...ave an accessory terminal sometimes labeled A or ACC One of the purposes for the accessory terminal is for control of a solenoid valve for open loop systems However it also affects the operation of th...

Page 9: ...T THE MAGNA GEO VARIABLE SPEED PUMP HIGH VOLTAGE TERMINALS TO THE T SIDE OF THE HEAT PUMP COMPRESSOR CONTACTOR THE HIGH IN RUSH CURRENT MAY CAUSE PREMATURE CONTACTOR FAILURE ALWAYS CONNECT THE PUMP DI...

Page 10: ...minimum and nominal full load flow rate of the larger unit Set stage two flow between minimum and nominal flow for both units on full load For example 4 ton and 3 ton heat pump Minimum full load flow...

Page 11: ...same connections as unit 2 1 2 of Flo Link x 1 1 4 PE fusion set 1 1 4 or 2 HDPE NOTE If 2 a 1 1 4 to 2 coupling is required 1 2 of Flo Link x 1 hose barb set with fitting for PT Port 1 1 4 fusion x 1...

Page 12: ...NGND AUXILIARY L1 L2 N1 N2 OUT OUT IN IN BRN BLK BLU C Note B Note C Signal IN Note A Magna3 not used NOTES A 0 10 VDC Output labeled PWM Connect 0 10 VDC output from the OUT BRN and REF BLU terminals...

Page 13: ...two Main pages or increases or decreases a particular param eter Pressing and holding the OK button for one second while on either Main page changes the display to the Setup Menu screen unless the co...

Page 14: ...TAGE 2 will be applied when the controller receives a 24 VAC signal at the left HP IN2 terminal or when a dry contact is made across the two HP IN2 terminals Press the OK button to select Item 1 STAGE...

Page 15: ...3 Press the OK button to select the MIN menu the triangle cursor will turn solid and use the buttons to set the value Once set press the OK button again to lock in the value Sensor Configuration NOTE...

Page 16: ...ay of flow rate entering and leaving fluid temperatures and HE HR depending on which sensors are installed Meter mode does not provide an output to control the pump s and only displays the Main 2 page...

Page 17: ...he 0 10 VDC setting is used for Grundfos Magna3 or other pumps that require a 0 10 VDC input signal The mode is selected by moving the cursor to Item 6 SIGNAL in the Setup Menu and pressing the OK but...

Page 18: ...circuit board Display NO PUMP Controller does not detect a Magna GEO var spd pump attached Could also indicate no power to pump 1 PWM Cable not attached to pump or controller Check PWM cable at pump a...

Page 19: ...report No Pump in Status area Check PWM cable connection at pump and at controller Or may require isolation relay Control displays 2 PUMPS RUN NING but UPS26 99 will not run No 230V input power at L2...

Page 20: ...rty or defective Check direction of ow arrow on sensor tube body and re plumb if necessary Re plumb to remove disturbance Flush loop Remove sensor and clear debris Replace sensor if necessary Controll...

Page 21: ...sensor cable and seals 2 Brass adapters 1 Hose Barb X 10 200 Flow Tube 2 G1 1 4 Union nuts for Flow Tube Adapters 4 Hose clamps stainless steel 2 10k Thermistors 1 4 MPT brass connection 2 SPDT Isolat...

Page 22: ...ire fitting pipe thermistor to prevent conductive heat transfer from affecting the thermistor reading Adding additional wire to the thermistor leads is accept able since the resistance of the thermist...

Page 23: ...926 35 0 1 7 30 024 77 0 25 0 10 000 119 0 48 4 3 836 36 0 2 2 29 203 78 0 25 6 9 762 120 0 48 9 3 756 37 0 2 8 28 406 79 0 26 1 9 531 38 0 3 4 27 565 80 0 26 7 9 305 10k resistor is 10k 39 0 3 9 26 8...

Page 24: ...ly limited by the sum of resistance in the NTC resistor and the resistance in the coil in the mains filter If the power is turned on when the supply voltage is at its highest point the in rush current...

Page 25: ...HOLE LOCATIONS SUGGESTED MOUNTING HOLE LOCATIONS This document must be printed full scale to properly mark the mounting hole locations The Page Scaling in the Print dialog box in Adobe Acrobat must b...

Page 26: ...should be located in one of the following orientations Grundfos Magna GEO 32 140 variable speed High Impact Polystyrene plastic CFC free polyurethane foam 1 Full port 3 Way 4 Position flushing and iso...

Page 27: ...H G F E D C B Inches CM LBS KG 3 8 DRIVE SOCKET 2 12 1 2 4 3 4 9 7 16 8 1 2 10 3 16 33 6 5 0 31 7 12 0 24 0 21 6 25 9 12 7 E A D F B H G C I 12 26 Fluid connections are Flo Link double O ring style Tr...

Page 28: ...pact Polystyrene plastic CFC free polyurethane foam 1 Full port 3 Way 4 Position flushing and isolation service valve Brass body and spool NBR seals stainless steel retaining ring UPS26 99 motor 208 2...

Page 29: ...t pump connections Flow center may be field modified to a one pump flow center by replacing the constant speed pump with a blank plate kit SD 1299 rev 24SEP2013 Flow U S GPM l s Grundfos UPS26 99 Powe...

Page 30: ...w center must be installed in an upright position as shown to the right The pump terminal box should be located in one of the following orienta tions Motor 208 230V 50 60 Hz single phase 2 pole ETLC U...

Page 31: ...X 812 275 8523 www geo flo com SD 1275 rev 02JAN2013 Dimensional Data Requires two Flo Link double O ring transition fittings Typically PE fusion or PVC glue fittings are used for the ground loop a ho...

Page 32: ...e pump terminal box should be located in one of the following orienta tions UPS26 99 motor 230V 60 Hz single phase 2 pole UL and CSA approved internal thermal over load protection insulation class F t...

Page 33: ...ump with a blank plate Flow U S GPM l s Grundfos UPS26 99 Power Curves Power Watts 0 13 0 25 0 38 0 50 0 63 0 76 0 88 1 00 1 14 1 26 1 39 1 51 1 64 1 77 1 89 2 02 2 15 2 27 0 10 20 30 40 Flow U S GPM...

Page 34: ...r where T temperature difference between EWT and LWT Fluid factor adjustment for antifreeze It is possible that the calculation shown on the controller screen is different than a hand calculation The...

Page 35: ...ded wiring piping diagrams for one flow center two heat pumps 8 Added wiring diagrams for 0 10 VDC output 10 Updated figures setup menu descriptions and operation for new 3 0 software 11 15 Added form...

Page 36: ...ntinually working to improve its products As a result the design and specifications of products in this catalog may change without notice and may not be as described herein For the most up to date inf...

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