Grundfos MixiMizer Installation And Operation Manual Download Page 14 | Manualshive

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Heating Curve

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Heating Curve Table - Dial Set Point

(Warm Weather Shut Down = 70°F)

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Summary of Contents for MixiMizer

Page 1: ...8 Settings Sensor Installation Pump Installation General MixiMizer Features Shipment Inspection Start Up Error Messages Trouble Shooting MixiMizer Technical Data GRUNDFOS INSTRUCTIONS Pumps Incorporating the MR Mixing Reset Control with Date Code 0718 or higher ...

Page 2: ...uctions in this manual 1 Shipment Inspection Check the contents of this package Care should be taken to ensure the pump is NOT dropped or mishan dled dropping will damage the pump Grundfos MixiMizer Injection Pump Package Includes One Grundfos UP15 42 MixiMizer pump with integral control Two Water Temperature Sensors Supply Re turn Pre wired into control box with 8 of wire One 6 line cord with 115...

Page 3: ...cted CAUTION The non metallic Outdoor Air Temperature Sensor OATS and Pump Control Box enclosures do not provide grounding between conduit connections Use grounding type bushings and jumper wires CAUTION Improper installation and operation of this control could result in damage to the equipment and possibly even personal injury It is your responsibility to ensure that this control is safely instal...

Page 4: ...he pump for 10 seconds The of Pump Performance LED will be on during exercising Post Purge A 20 second post purge is available once the heat demand is removed or control enters WWSD The purging holds the last speed used As variable speed output modulates the control flashes the of Pump Performance LED on for second and off for to 2 1 2 seconds A 2 second delay from demand to actually starting the ...

Page 5: ...late an open circuit in the outdoor sensor and the control assumes an outdoor temperature of 30o F This will allow the pump to operate for testing and or service Remember to re connect the outdoor temperature sensor wire when finished 3 Pump Installation Warning Consult piping manufactures for material selection before installing this pump Absence of pumping fluid may damage some piping materials ...

Page 6: ...ither the boiler pump or system pump is on Note 3 There must be at least 6 pipe diameters of straight pipe on either side of the tees in order to prevent momentum of water in the boiler and system loops from pushing flow through the injection loop Note 4 To prevent convective heat transfer through the injection loop there should be a minimum of 1 foot drop to create a thermal trap System Loop Grun...

Page 7: ... Miximizer pumps can be installed in both vertical and horizontal lines Flow direction should be from the boiler loop into the system loop The pump must be installed with the motor shaft posi tioned horizontally Under no circumstances should the pump be installed with the shaft vertical or where the shaft falls below the horizontal plane Fig 2 Table 1 Recommended Optional DO NOT Mount Motor Shaft ...

Page 8: ...NOTE All field wiring shall have insulation stripped exposing 6 0mm of conductor before placement into control box terminal strip If the terminal box position needs to be changed ensure that the electrical supply is turned off and close the isolation valves before removing the Allen screws To change control box position Remove the four 4 Allen screws 4 or 5mm wrench while supporting the stator mot...

Page 9: ...losure Do not mount the OATS with the conduit knockout fac ing upwards as rain could enter the enclosure and damage the sensor Fig 4 In order to prevent heat transmitted through the wall from affecting the sensor reading it may be necessary to install an insulating barrier behind the OATS enclosure The OATS should be mounted on a wall which best represents the heat load on the building a northern ...

Page 10: ...he two field wires from the OATS directly to the control box Com and Os V not polar sensitive terminals Fig 8 Water Temperature Sensors Supply Return The Water Temperature Sensor has a zinc sleeve for fast response and a wide operating range Fig 5 Factory Pre wired Note Sensors are designed to mount on a pipe or in a temperature immersion well The sensor can be strapped directly to the pipe using ...

Page 11: ...Return Sensor to the return piping of the boiler loop Mount the Supply Sensor to supply piping of the system loop Figure 7A Return Sensor Label Figure 7B Supply Sensor Label Optional Boiler On Off Output The boiler terminals are used to activate a boiler when the pump is ramped to the boiler enable percentage 30 and is shut off when the pump is ramped to 50 of the boiler enable percentage The boil...

Page 12: ... POSITION SWITCH ON OFF DEFAULT A Permanent External ON position Demand Demand Permanent Demand Max system Max system ON position B supply set supply feature supply set at at 140o F is off 140o F Boiler return Boiler return ON position C minimum set minimum feature minimum set at at 135o F is off 135o F D Heating curve Heating Curve 5o F On position No shift Parallel shift No shift ON position Max...

Page 13: ...r mines the number of degrees the supply water temperature is raised for each one degree drop in outdoor temperature The Heating Curve dial position can be calculated from the following formula Heating Curve Dial Set Point Example System Design Temperature 120 F Outdoor Design Temperature 10 F Warm Weather Shutdown WWSD 70 F Dial Set Point 120 70 F 0 8 70 10 F Table 2 Figure 10 Heating Curve Dial ...

Page 14: ...0 160 170 180 190 200 210 220 230 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 6 3 6 3 0 Heating Curve System Design Tempe rature Heatin g Curve Dial Set Point Outdoor Design Temperature F F WWSD Heating Curve Table Dial Set Point Warm Weather Shut Down 70 F Table 2 Table 3 ...

Page 15: ...r LEDs 6 Start Up DO NOT START THE PUMP UNTIL THE SYSTEM HAS BEEN FILLED FLUSHED properly vented AND CHECKED FOR LEAKS Ensure that water does not enter the terminal box during the installation process Do not use the pump to vent the system Install additional ventilation for system purging Never operate the pump dry The bearings require water lubrication and will be damaged otherwise Fill system wi...

Page 16: ...And the control assumes an outdoor temperature of 30 F Pump Performance Reduced LED is flashing Fig 13 There is a short or open circuit to the Supply Sensor And the control runs pump at 10 and does boiler protection if enabled Page 15 Figure 13 Control Lights Pump Performance Reduced Call for Heat Of Pump Perf Power On Pump Perf Reduced Boiler Figure 12 Control Lights Call For heat 7 Error Message...

Page 17: ... resistance ohms of the Supply then the Return sensor Wires have no polarity See Table 4 Compare fluid temperature to Resistance Temperature Chart Table 4 Both temperatures should be close 10 Possible reasons for short circuit Water in OATS sensor case Nail or staple in field wiring Possible reasons for open circuit Sensor wire jacket has been compromised Sensor is disconnected Sensor insulation i...

Page 18: ...erature Resistance Temperature Resistance o F o C o F o C 50 46 490 813 90 32 46 218 45 43 405 710 95 35 7 334 40 40 336 606 100 38 5 828 35 37 280 279 105 41 5 210 30 34 234 196 110 43 4 665 25 32 196 358 115 46 4 184 20 29 165 180 120 49 3 760 15 26 139 402 125 52 3 383 10 23 118 018 130 54 3 050 5 21 100 221 135 57 2 754 0 18 85 362 140 60 2 490 5 15 72 918 145 63 2 255 10 12 62 465 150 66 2 04...

Page 19: ...losure White U V resistant PVC NEMA 1 Control Box Input Voltage 120V 10 50 60Hz 250vA Output Rating 1 8A 1 12Hp Supply Return Temperature Sensors Approvals CSA UL Terminals Sup Com Ret I Com 5V DC 5 Max 0 166 mA DC 5 Max Operating Range 14 to 266 F 10 to 130 C Sensor NTC thermistor 10Ohms 77 F 25 C 0 2 C B 3892 Wire 8ft 300V UL2722 PVC insulation 105 C Optional Boiler On Off Output Terminals Boil ...

Page 20: ...0 9 Head Range ft 0 14 Motor 2 Pole Single Phase Amps 0 74 Watts 85 Hp 1 25 Max Fluid Temp 205 F 96 C Volute Material Cast Iron UP15 42BUCX MR Motor 2 Pole Single Phase Amps 0 74 Watts 85 Hp 1 25 Max Fluid Temp 205 F 96 C Volute Material Silicon Bronze BUC5 Flow Range GPM 0 8 5 Head Range ft 0 14 5 Connection 1 2 Sweat BUC7 Flow Range GPM 0 16 Head Range ft 0 15 Connection 3 4 Sweat Page 19 ...

Page 21: ...te and sup porting installation data Unless otherwise provided the distributor or dealer will contact the GRUNDFOS factory or authorized service station for instructions Any defective product to be returned to the factory or service station must be sent freight prepaid documentation supporting the warranty claim and or a Return Authorization must be included if so instructed GRUNDFOS WILL NOT BE L...

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