Grundfos UPS3 15-50/65 User Manual

Page 2 - Installation and operating instructions; CONTENTS; Hazard statements

English (GB) 2 English (GB) Installation and operating instructions Original installation and operating instructions These installation and operating instructions describe Grundfos UPS3.Sections 1-4 give the information necessary to be able to unpack, install and start up the product in a safe way.S...

Page 3 - Receiving the product; Inspecting the product; Installing the product; Mechanical installation; positions

English (GB) 3 1.2 Notes The symbols and notes below may appear in Grundfos installation and operating instructions, safety instructions and service instructions. 2. Receiving the product 2.1 Inspecting the product Check that the product received is in accordance with the order.Check that the voltag...

Page 4 - Control box positions; The control box can be mounted in all positions. See fig.

English (GB) 4 Fig. 3 Tightening the fittings 3.2 Pump positions Always install the pump with a horizontal motor shaft within ± 5 °. Do not install the pump with a vertical motor shaft. See fig. 4 , bottom row.• Pump installed correctly in a vertical pipe. See fig. 4 , top row, left. • Pump installe...

Page 5 - Electrical connection; the values stated on the nameplate. See section; Assembling the installer plug; Step Action

English (GB) 5 3.3.1 Changing the control box position 3.4 Electrical connection • The motor requires no external motor protection.• Check that the supply voltage and frequency correspond to the values stated on the nameplate. See section 5.4.1 Nameplate . • Connect the pump to the power supply with...

Page 6 - Insulating the pump housing

English (GB) 6 3.6 Insulating the pump housing Fig. 6 Insulating the pump housing You can reduce the heat loss from the pump and pipe by insulating the pump housing and the pipe with insulating shells, which can be ordered as an accessory. See section 5.5.2 Insulating shells . 7 Refit the terminal c...

Page 7 - Starting up the product; Starting up the pump; Venting the pump; Step; The pump must not run dry.

English (GB) 7 4. Starting up the product 4.1 Before startup Do not start the pump until the system has been filled with liquid and vented. Make sure that the required minimum inlet pressure is available at the pump inlet. See section 10. Technical data . When using the pump for the first time, the ...

Page 8 - Product introduction; Product description; Description; XX

English (GB) 8 5. Product introduction 5.1 Product description UPS3 can be used as stand-alone or integrated circulator pump in existing systems as replacement or in new systems with either variable or constant flow rate.The speed can be controlled by a low-voltage PWM (Pulse Width Modulation) signa...

Page 9 - Union nut with internal threads; Conn; Pump type

English (GB) 9 5.4.2 Type key 5.5 Accessories 5.5.1 Unions and valve kits Note: The product numbers are always for one complete set, including gaskets. The product number for the standard sizes is printed in bold.G-threads have a cylindrical form in accordance with the EN ISO 228-1 standard and are ...

Page 10 - Setting the PWM input signal

English (GB) 10 5.5.3 Cables and plugs The pump has two electrical connections: the power supply and the control signal connection. Power supply connection The installer plug is supplied with the pump and is available as an accessory.Power cable adapters are also available as accessories. Control si...

Page 11 - Fault finding the product; II

English (GB) 11 6. Control functions 6.1 Operating panel Fig. 11 Operating panel The operating panel shows the following:• The control mode, after pressing the button• Alarm status 6.1.1 Alarm or warning If the pump has detected one or more alarms or warnings, the first LED switches from green to re...

Page 13 - peed

English (GB) 13 6.3.2 PWM input signal profile A (heating) The pump runs on constant-speed curves depending on the PWM input signal. The speed decreases when the PWM value increases. If the PWM signal equals zero (0 VDC), the pump will switch to the control mode selected before connecting to a PWM s...

Page 14 - Setting

English (GB) 14 6.4 Pump performance Figure 19 shows the relation between pump setting and pump performance by means of curves. Fig. 19 Pump setting in relation to pump performance TM 07 15 4 1 16 18 Q H Setting Pump curve Function I Constant curve or constant speed I The pump runs at a constant spe...

Page 15 - Setting the product

English (GB) 15 7. Setting the product To set the product use the button on the operating panel. Every time you press the button, the pump setting is changed. The LEDs will indicate the chosen control mode. To learn more about each control mode, see section 6.2 Control modes . To select a proportion...

Page 16 - Servicing the product; Dismantling the product; Dismantling the plug; Loosen the cable gland and unscrew the union nut in the

English (GB) 16 8. Servicing the product 8.1 Dismantling the product 1. Switch off the power supply.2. Pull out the plug. For instructions on how to dismantle the plug, see section 8.2 Dismantling the plug . 3. Close the two isolating valves on both sides of the pump.4. Loosen the fittings.5. Remove...

Page 17 - Fault finding table; Deblocking the shaft; When the screw can be turned counterclockwise, the shaft

English (GB) 17 9. Fault finding the product If the pump has detected one or more alarms, the first LED switches from green to red. When an alarm is active, the LEDs indicate the alarm type as defined in fig. 22 . When there is no active alarm anymore, the operating panel switches back to operating ...

Page 18 - Reduced supply voltage; Liquid temperature

English (GB) 18 10. Technical data To avoid condensation in the stator, the liquid temperature must always be higher than the ambient temperature. Reduced supply voltage The pump operation is ensured above 160 VAC with reduced performance. If the voltage falls below 190 VAC, a low-voltage warning is...

Page 19 - Performance curves; Curve conditions; and a liquid

English (GB) 19 11. Performance curves Each pump has its own performance curve.A power curve, P1, belongs to each performance curve. The power curve shows the pump power consumption in watt at a given performance. 11.1 Curve conditions The guidelines below apply to the performance curves on the foll...

Page 20 - Disposing of the product

English (GB) 20 12. Disposing of the product This product or parts of it must be disposed of in an environmentally sound way:1. Use the public or private waste collection service.2. If this is not possible, contact your supplier. The crossed-out wheelie bin symbol on a product means that it must be ...

Grundfos UPS3 15-50/65 - User Manual

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