Grundfos Ups3 15 50 65

Ups3

Installation and operating instructions

Grundfos Instructions

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. Sections 5-12 give important information about the product, as well as information on service, fault finding and disposal of the product.

Contents

Page

General information

1.1 Hazard statements The symbols and hazard statements below may appear in Grundfos installation and operating instructions, safety instructions and service instructions. The text accompanying the three hazard symbols DANGER, WARNING and CAUTION is structured in the following way: The hazard statements are structured in the following way:

General information

2 1.1 Hazard statements 2 1.2 Notes 3

Receiving the product

3 2.1 Inspecting the product 3 2.2 Scope of delivery 3

Installing the product

3 3.1 Mechanical installation 3 3.2 Pump positions 4 3.3 Control box positions 4 3.4 Electrical connection 5 3.5 Assembling the installer plug 5 3.6 Insulating the pump housing 6

Starting up the product

7 4.1 Before startup 7 4.2 Starting up the pump 7 4.3 Venting the pump 7

Product introduction

8 5.1 Product description 8 5.2 Applications 8 5.3 Pumped liquids 8 5.4 Identification 8 5.5 Accessories 9

Control functions

11 6.1 Operating panel 11 6.2 Control modes 11 6.3 Control signal 12 6.4 Pump performance 14

Setting the product

15 7.1 Setting the PWM input signal 15

Servicing the product

16 8.1 Dismantling the product 16 8.2 Dismantling the plug 16

Fault finding the product

17 9.1 Deblocking the shaft 17

Technical data

18 10.1 Dimensions, UPS3 15-50/65 18

Performance curves

19 11.1 Curve conditions 19 11.2 Performance curve, UPS3 15-50/65 19

Disposing of the product

20 Read this document and the quick guide before you install the product. Installation and operation must comply with local regulations and accepted codes of good practice. This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.

Danger

Indicates a hazardous situation which, if not avoided, will result in death or serious personal injury.

Warning

Indicates a hazardous situation which, if not avoided, could result in death or serious personal injury.

Caution

Indicates a hazardous situation which, if not avoided, could result in minor or moderate personal injury.

Signal Word

Description of hazard Consequence of ignoring the warning.

Action to avoid the hazard.

English (GB) 3 1.2 Notes The symbols and notes below may appear in Grundfos installation and operating instructions, safety instructions and service instructions.

Receiving the product

2.1 Inspecting the product Check that the product received is in accordance with the order. Check that the voltage and frequency of the product match voltage and frequency of the installation site. See section 5.4.1 Nameplate. 2.2 Scope of delivery The box contains the following items: • UPS3 pump • installer plug • two gaskets • quick guide.

Installing the product

3.1 Mechanical installation 3.1.1 Mounting the product

The arrows on the pump housing indicate the flow direction

through the pump. See fig. 1.

Fit the two gaskets supplied with the pump when you mount

the pump in the pipe. Install the pump with a horizontal motor shaft within ± 5 °. See fig. 2. See also section 3.3 Control box positions.

Tighten the fittings. See fig. 3.

Fig. 1 Flow direction Fig. 2 Pump installation Observe these instructions for explosion-proof products. A blue or grey circle with a white graphical symbol indicates that an action must be taken. A red or grey circle with a diagonal bar, possibly with a black graphical symbol, indicates that an action must not be taken or must be stopped. If these instructions are not observed, it may result in malfunction or damage to the equipment. Tips and advice that make the work easier.

Caution

Crushing of feet Minor or moderate personal injury

Wear safety shoes when opening the box and

handling the product.

Danger

Electric shock Death or serious personal injury

Switch off the power supply before starting any

work on the product. Make sure that the power supply cannot be accidentally switched on.

Caution

Crushing of feet Minor or moderate personal injury

Wear safety shoes when opening the box and

handling the product. Installation must be carried out by trained persons in accordance with local regulations. The pump must always be installed with a horizontal motor shaft within ± 5 °. Mechanical installation must be carried out by trained persons in accordance with local regulations.

Tm07 0368 1518

Tm07 0369 1518

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 installed correctly in a horizontal pipe. See fig. 4, top row, right. Fig. 4 Pump positions 3.3 Control box positions The control box can be mounted in all positions. See fig. 5. Fig. 5 Possible control box positions

Tm07 0370 1518

Tm07 0371 1518

Danger

Electric shock Death or serious personal injury

Switch off the power supply before starting any

work on the product. Make sure that the power supply cannot be accidentally switched on.

Caution

Hot surface Minor or moderate personal injury

The pump housing may be hot due to the pumped

liquid being scalding hot. Close the isolating valves on both sides of the pump and wait for the pump housing to cool down.

Caution

Pressurised system Minor or moderate personal injury

Before dismantling the pump, drain the system or

close the isolating valves on both sides of the pump. The pumped liquid may be scalding hot and under high pressure.

Tm06 7297 0918

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 the plug supplied with the pump. See steps 1 to 7. 3.5 Assembling the installer plug Step Action Illustration 1 Make sure that the inlet and outlet valves are closed. Unscrew the screws on the pump head.

Tm07 0372 1518

2 Turn the pump head to the desired position.

Tm07 0373 1518

3 Refit the screws on the pump head.

Tm07 0374 1518

Danger

Electric shock Death or serious personal injury

All electrical connections must be carried out by a

qualified electrician in accordance with local regulations.

Danger

Electric shock Death or serious personal injury

Switch off the power supply before starting any

work on the product. Make sure that the power supply cannot be accidentally switched on.

Danger

Electric shock Death or serious personal injury

Connect the pump to earth.

Danger

Electric shock Death or serious personal injury

In case of an insulation fault, the fault current may

be a pulsating DC. Observe national legislation about requirements for and selection of Residual Current Device (RCD) when installing the pump. Step Action Illustration 1 Loosen the cable gland and unscrew the union nut in the centre of the terminal cover.

Tm06 8542 0918

2 Detach the terminal cover.

Tm06 8543 0918

3 Pull the power cable through the cable gland and terminal cover.

Tm06 8544 0918

4 Strip the cable conductors as illustrated.

Tm06 8545 0918

5 Loosen the screws on the power supply plug and connect the cable conductors.

Tm06 8546 0918 - Tm06 8547 0918

6 Tighten the screws on the power supply plug.

Tm06 8548 0918

0/Off 1/On 42 mm 32 mm Ø 5.5 - 10 mm 0.5 - 1.5 mm2 8 mm

L

Pe

N

x 3 x 3

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 cover. See A. Note: It is possible to turn the power supply plug on the side for a 90 ° cable entry. See B.

Tm06 8549 0918 - Tm06 8550 0918

8 Tighten the union nut.

Tm06 8551 0918

9 Tighten the cable gland onto the power supply plug.

Tm06 8552 0918

10 Insert the power supply plug into the male plug on the pump.

Tm07 0376 1518

Step Action Illustration

B

A

Tm07 0375 1518

Do not insulate the control box or cover the operating panel.

English (GB) 7

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 system must be vented. See section 4.3 Venting the pump. The pump is self-venting through the system. 4.2 Starting up the pump 4.3 Venting the pump Fig. 7 Venting the pump Small air pockets trapped inside the pump may cause noise when starting up the pump. However, because the pump is self-venting through the system, the noise ceases over a period of time. To speed up the venting process, do as follows:

Set the pump to speed III using the button on the operating

panel.

Let the pump run for minimum 30 minutes. How fast the pump

is vented depends on the system size and design. When you have vented the pump, that is when the noise has ceased, set the pump according to the recommendations. See section 6. Control functions. Step Action Illustration 1 Open the inlet and outlet valves.

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2 Switch on the power supply.

Tm06 8555 1317

3 The lights in the operating panel indicates that the power supply has been switched on and the pump is running.

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0/Off 1/On

Tm07 1416 1618

The pump must not run dry. The pump is from factory set to constant curve III. Hold 3 sec. Minimum 30 min.

English (GB) 8

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) signal. High-efficiency ECM (Electronically Commutated Motor) pumps, such as UPS3, must not be speed-controlled by an external speed controller varying or pulsing the supply voltage. 5.1.1 Model type These installation and operating instructions cover UPS3. The model type is stated on the packaging and nameplate. 5.2 Applications The pump is designed for circulating liquids in all heating systems. The pumps are suitable for the following systems: • Systems with constant or variable flows where it is desirable to optimise the pump duty point. • Installation in existing systems where the differential pressure of the pump is too high during periods of reduced flow demand. • Installation in new systems for automatic adjustment of the performance to flow demands without the use of bypass valves or similar expensive components. 5.3 Pumped liquids The pump is suitable for clean, thin, non-aggressive and non-explosive liquids, not containing solid particles, fibres or mineral oil. In heating systems, the water must meet the requirements of accepted standards on water quality in heating systems, for example the German guideline VDI 2035. Mixtures of water with antifreeze media such as glycol with a kinematic viscosity lower than 10 mm2/s (10 cSt). When selecting a pump, the viscosity of the pumped liquid must be taken into consideration. If the pump is used for a liquid with a higher viscosity, the hydraulic performance of the pump is reduced. 5.4 Identification 5.4.1 Nameplate Fig. 8 Nameplate

Caution

Flammable material Minor or moderate personal injury

Do not use the pump for flammable liquids, such

as diesel oil and petrol.

Caution

Corrosive substance Minor or moderate personal injury

Do not use the pump for aggressive liquids, such

as acids and seawater.

Tm07 0791 1618

Pos. Description 1 Pump name 2 Minimum current [A] 3 Maximum current [A] 4 CE mark and approvals 5 Energy Efficiency Index, EEI 6 Voltage [V] 7 Average power input PL, avg (Ecodesign regulation) 8 Model designation 9 Product number 10 Serial number 11 Country of origin 12 Frequency [Hz] 13 Part, according to EEI 14 Enclosure class 15 Manufacturer’s name and address 16 Production code:

1st and 2nd figures: Production site code

3rd and 4th figures: year

5th and 6th figures: week

17 Minimum liquid temperature 18 Product mark (legal product code) 19 TF class 20 Crossed-out wheeled bin according to EN 50419 21 Maximum system pressure 22 Maximum input power [W] 23 Minimum input power [W] 1 l1/1(A) Grundfos Holding A/S DK-8850 Bjerringbro P1(W) MPa Min. Max.

X.Xx

X.Xx

Xx

Xxx

X.X

((,”0.XX - Part X XXXV ~ XX/XXHz IPXXX TFXXX

P/N:Xxxxxxxx

S/N:Xxxxxxxx

Made in XXXXXXX PL.avg.Gfnxx

Ups3

Hold 3 sec.

Pc:P1Xxxx

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 not sealing the thread. It requires a flat gasket. You can only screw male G-threads (cylindrical) into female G-threads. The G-threads are standard thread on the pump housing. R-threads are tapered external threads in accordance with the EN 10226-1 standard. Rc- or Rp-threads are internal threads with either tapered or cylindrical (parallel) threads. You can screw male R-threads (conical) into female Rc- or Rp-threads. See fig. 9. Fig. 9 G-threads and R-threads 5.5.2 Insulating shells The accessory set is tailored to the individual pump type. The insulating shells enclose the entire pump housing and are easy to fit around the pump. Example

Ups3

15 50/65 130 Pump type Nominal diameter (DN) of inlet and outlet ports [mm] Maximum head [dm] [ ]: Cast-iron pump housing Port-to-port length [mm] Product numbers, unions Union nut with internal threads Union nut with external threads

Ups3

Connection 3/4 1 1 1/4 1 1 1/4 15-xx

G 1

1/2 529921 529922 529821 529925 529924

Tm07 7425

Pump type Product number

Ups3 15-50/65

99270706 Rp

R

R

Rp

G

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 signal connection The control signal cable connection has three conductors: the signal input, the signal output and the signal reference. Connect the cable to the control box by a mini superseal plug. See 7.1 Setting the PWM input signal. The optional signal cable is available as an accessory. The cable length must not exceed 3 metres. Fig. 10 Mini superseal plug

Tm06 4414

Conductor Colour Signal input Brown Signal reference Blue Signal output Black Product Product description Length [mm] Product number Installer plug 99439948 Mini superseal signal cable (PWM input signal) 2000 99165309 Superseal power cable 2000 99198990 Power cable adapter: Superseal Molex cable adapter, overmoulded 150 99165311 Power cable adapter: Superseal Volex cable adapter, overmoulded 150 99165312

English (GB) 11

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 red. When the fault has been resolved the operating panel switches back to operating status. See section 9. Fault finding the product. 6.2 Control modes The pump has seven different control modes. Learn more about them in the following sections. 6.2.1 Constant curve or constant speed, I, II or III (factory setting) At constant-curve or constant-speed operation, the pump runs at a constant curve. The pump performance follows the selected performance curve, I, II or III. See fig. 14 where II has been selected. Fig. 12 Constant-curve/-speed curve The selection of the constant-curve or constant-speed setting depends on the characteristics of the heating system in question. 6.2.2 Proportional pressure I, II In proportional-pressure mode the pump performance follows the selected performance curve I or II and adjusts the pump performance to the actual heat demand in the system following the proportional-pressure curve. Fig. 13 Proportional-pressure curve

Proportional pressure mode is not recommended in heating

systems that include an automatic bypass valve to ensure a minimum flow for the heating appliances. 6.2.3 Constant pressure I, II In constant-pressure mode the pump follows the selected constant-pressure curve I or II, adjusts the pump performance to the actual heat demand in the system following the selected constant-pressure curve. Fig. 14 Constant-pressure curve

Tm07 1516 1618

Symbol Description Button

I, Ii, Iii

Constant curve or constant speed curve I, II and

Iii

Proportional-pressure mode I, II Constant-pressure mode, I, II

Tm06 8822 1217

Ups3

Hold 3 sec.

Q

H

The pump is factory-set to constant curve III. System type Recommended control mode Alternative control mode One-pipe heating system Constant-pressure mode. See section 6.2.3 Constant pressure I, II. Constant curve or constant speed, I, II or III.

Tm07 1552 1618

System type Recommended control mode Alternative control mode Two-pipe system Proportional- pressure mode* Constant curve or constant speed I, II, III, see section 6.2.1 Constant curve or constant speed, I, II or III (factory setting).

Tm07 1553 1618

System type Recommended control mode Alternative control mode Underfloor heating system Constant-pressure mode Constant curve or constant speed I, II, III, see section 6.2.1 Constant curve or constant speed, I, II or III (factory setting).

Q

H

I

Ii

Q

H

I

Ii

English (GB) 12 6.2.4 Changing from recommended to alternative pump setting Heating systems are relatively slow systems that cannot be set to the optimum operation within minutes or hours. If the recommended pump setting does not give the desired distribution of heat in the rooms of the house, change the pump setting to the shown alternative. 6.2.5 Selecting the control modes Proportional pressure We recommend proportional-pressure mode in variable flow systems with relatively large pressure losses in the distribution pipes such as: • two-pipe heating systems with thermostatic valves and long distribution pipes • two-pipe heating systems with thermostatic valves and high pressure losses in system parts with total flow • primary circuit pumps in systems with large pressure losses in the primary circuit. Note: Proportional-pressure mode is not recommended in heating systems that includes an automatic bypass valve to ensure a minimum flow for the heating appliances. Constant pressure We recommend constant-pressure mode in variable flow systems with relatively small pressure losses in the distribution pipes such as: • two-pipe heating systems with thermostatic valves and dimensioned for natural circulation (former gravity systems) • two-pipe heating systems with thermostatic valves and low pressure losses in system parts with total flow • one-pipe heating systems with thermostatic valves or pipe balancing valves • underfloor heating systems with zone valves • primary circuit pumps in systems with small pressure losses in the primary circuit. Constant curve We recommend constant-curve mode in constant-flow systems, where both a constant flow rate and a constant head are required, such as: • heat surfaces • replacement for uncontrolled circulator pumps, for instance integrated in boilers. 6.3 Control signal The pump can be controlled via a digital low-voltage pulse-width modulation (PWM) signal. The square-wave PWM signal is designed for a 100 to 4,000 Hz frequency range. The PWM signal is used to select the speed (speed command) and as feedback signal. The PWM frequency on the feedback signal is fixed at 75 Hz in the circulator pump. For instructions on how to set the connection, see section 7.1 Setting the PWM input signal. Duty cycle d % = 100 x t/T Example Fig. 15 PWM signal 6.3.1 Interface The pump’s interface consists of an electronic part connecting the external control signal to the circulator pump. The interface translates the external signal into a signal type that the microprocessor can understand. In addition, the interface ensures that the user cannot get into contact with dangerous voltage if touching the signal wires when power is connected to the circulator pump. Note: "Signal ref." is a signal reference with no connection to protective earth. Fig. 16 Schematic drawing, interface Example Rating T = 2 ms (500 Hz) UiH = 4-24 V t = 0.6 ms UiL ≤ 1 V d % = 100 x 0.6 / 2 = 30 % IiH ≤ 10 mA (depending on UiH)

Tm04 9911 0211

Abbreviation Description

T

Period of time [sec.] d Duty cycle [t/T] UiH High-level input voltage UiL Low-level input voltage IiH High-level input current

Tm06 0787 0914

T

t UiH UiL 5 9

S

5 %&% %&% 7/3 7/3

N

N

+

PWM output

PWM input Signal ref. Galvanic isolation Pump electronics

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 signal. Fig. 17 PWM input signal profile A (heating) 6.3.3 PWM feedback signal The PWM feedback signal offers pump information like in bus systems: • current power consumption (accuracy ± 2 % of PWM signal) • warning • alarm. Alarms Alarm output signals are available because some PWM output signals are dedicated to alarm information. If a supply voltage is measured below the specified supply voltage range, the output signal is set to 75 %. If the rotor is locked due to deposits in the hydraulics, the output signal is set to 90 % because this alarm has a higher priority. See fig. 18. Fig. 18 PWM feedback signal - power consumption Data

Tm06 9136 1617

PWM input signal [%] Pump status ≤ 10 Maximum speed: max. > 10 / ≤ 84 Variable speed: min. to max. > 84 / ≤ 91 Minimum speed: IN > 91/95 Hysteresis area: on/off > 95 or ≤ 100 Standby mode: off PWM input signal [%] Max. Speed PWM input signal Max. Speed

Tm07 1313 1118

Maximum rating Symbol Value PWM frequency input with high-speed optocoupler f 100-4000 Hz Guaranteed standby power consumption

< 1 W

Rated input voltage - high level UiH

4-24 V

Rated input voltage - low level UiL

< 1 V

High-level input current IiH < 10 mA Input duty cycle

Pwm

0-100 % PWM frequency output, open collector f 75 Hz ± 5 % Accuracy of output signal regarding power consumption

± 2 % (of

PWM signal) Output duty cycle

Pwm

0-100 % Collector emitter breakdown voltage on output transistor Uc

< 70 V

Collector current on output transistor Ic < 50 mA Maximum power dissipation on output resistor

Pr

125 mW Zener diode working voltage Uz

36 V

Maximum power dissipation in Zener diode Pz 300 mW 25 50 100 150 200 250 10 20 30 40 50 60 70 80 90 100 Power [W] Standby (stop) Alarm stop: fault, blocked pump Alarm stop: electrical fault Warning Saturation at 70 Watt Slope: 1 W / % PWM

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

Tm07 1541 1618

Q

H

Setting Pump curve Function

I

Constant curve or constant speed I The pump runs at a constant speed and consequently on a constant curve. At speed I, the pump is set to run on the minimum curve under all operating conditions.

Ii

Constant curve or constant speed II The pump runs at a constant speed and consequently on a constant curve. At speed II, the pump is set to run on the intermediate curve under all operating conditions.

Iii

Constant curve or constant speed III (factory setting) The pump runs at a constant speed and consequently on a constant curve. At speed III, the pump is set to run on the maximum curve under all operating conditions. Quick venting of the pump can be obtained by setting the pump to speed III for a short period. Proportional-pressure mode I,

Ii

The duty point of the pump will move up or down on a proportional-pressure curve, depending on the heat demand in the system. The head (pressure) is reduced at falling heat demand and increased at rising heat demand. Constant-pressure mode I, II The duty point of the pump will move out or in on a constant-pressure curve, depending on the heat demand in the system. The head (pressure) is kept constant, irrespective of the heat demand.

English (GB) 15

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 proportional-pressure or constant-pressure curve, press and hold the button for 3 seconds. To return to constant-curve settings, press and hold the button for 3 seconds. Control modes for constant curve Control modes for proportional-pressure and constant-pressure curve 7.1 Setting the PWM input signal To enable the external control mode (PWM profile A), you need a signal cable connected to an external system. The cable connection has three conductors: the signal input, the signal output and the signal reference. The cable is not supplied with the pump but can be ordered as an accessory. Fig. 20 Mini superseal plug Set the signal connection

Make sure that the pump is turned off.

Locate the PWM signal connection on the pump.

The three pins inside the signal connection are not energised.

Connect the signal cable with the mini superseal plug.

Switch on the power supply.

The pump automatically detects if a valid PWM signal is

available after which it enables the control mode on the pump. See fig. 8. If the pump does not detect a PWM signal or if the signal equals 0, the pump will switch to the control mode selected before connecting to a PWM signal. Fig. 21 Connecting the signal cable to UPS3 Display Control mode Constant curve 1 Constant curve 2 Constant curve 3 PWM profile A The LED flashes. Display Control mode Proportional pressure 1 The LEDs flash. Proportional pressure 2 The LEDs flash. Constant pressure 1 The LEDs flash. Constant pressure 2 The LEDs flash. The pump is factory set to constant curve III. Conductor Colour Signal input Brown Signal reference Blue Signal output Black The cable must be connected to the control box via a mini superseal plug. See fig. 20.

Tm064414

Tm07 0379 1518

1 x 230 V - 15 %/+ 10 % ∽ 50/60 Hz 1 x 230 V ∽ 50/60

English (GB) 16

Servicing the product

8.1 Dismantling the product

Switch off the power supply.

Pull out the plug. For instructions on how to dismantle the

plug, see section 8.2 Dismantling the plug.

Close the two isolating valves on both sides of the pump.

Loosen the fittings.

Remove the pump from the system.

8.2 Dismantling the plug

Loosen the cable gland and unscrew the union nut in the

centre of the terminal cover.

Detach the terminal cover.

Loosen the screws on the power supply plug and disconnect

the cable conductors.

Pull the power cable back through the cable gland and

terminal cover.

Danger

Electric shock Death or serious personal injury

All electrical connections must be carried out by a

qualified electrician in accordance with local regulations.

Danger

Electric shock Death or serious personal injury

Switch off the power supply before starting any

work on the product. Make sure that the power supply cannot be accidentally switched on.

Caution

Hot surface Minor or moderate personal injury

The pump housing may be hot due to the pumped

liquid being scalding hot. Close the isolating valves on both sides of the pump and wait for the pump housing to cool down.

Caution

Pressurised system Minor or moderate personal injury

Before dismantling the pump, drain the system or

close the isolating valves on both sides of the pump. The pumped liquid may be scalding hot and under high pressure. All service must be carried out by an instructed service technician.

English (GB) 17

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 status and the first LED switches from red to green. Fig. 22 Fault finding table 9.1 Deblocking the shaft If the pump is blocked it is necessary to deblock the shaft. The pump deblocking device is accessible from the front of the pump without having to demount the control box. The force of the device is high enough to deblock pumps, which are seized by lime, for example if the pump has been turned off during summer. Course of action:

Switch off the power supply.

Close the valves.

Locate the deblocking screw in the centre of the control box.

Use a star screwdriver with a size 2 Phillips tip to push the deblocking screw inwards.

When the screw can be turned counterclockwise, the shaft

has been deblocked. Repeat step 3, if necessary.

Switch on the power supply.

Fig. 23 Deblocking the shaft If multiple alarms are active at the same time, the LEDs only show the error with the highest priority. The priority is defined by the sequence of the table.

Danger

Electric shock Death or serious personal injury

Switch off the power supply before starting any

work on the product. Make sure that the power supply cannot be accidentally switched on.

Caution

Hot surface Minor or moderate personal injury

The pump housing may be hot due to the pumped

liquid being scalding hot. Close the isolating valves on both sides of the pump and wait for the pump housing to cool down.

Caution

Pressurised system Minor or moderate personal injury

Before dismantling the pump, drain the system or

close the isolating valves on both sides of the pump. The pumped liquid may be scalding hot and under high pressure. Display Status Solution Alarm The pump stops. The pump is blocked. Deblock the shaft. See section 9.1 Deblocking the shaft. Warning The pump keeps running. The supply voltage is low. Make sure that there is sufficient voltage supply to the pump. Alarm The pump stops. Electrical error. Replace the pump and return the pump your supplier. 2 3 0/Off 1/On 1 No.2 5 mm 2 3 4 0/Off 1/On 1

Tm07 0387 1518

Before, during and after the deblocking, the device is tight and must not release any water. 2 3 0/Off 1/On 1 No.2 5 mm

English (GB) 18

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 sent via the PWM signal. If the voltage falls below 150 VAC, the pump stops and shows an alarm. 10.1 Dimensions, UPS3 15-50/65 Fig. 24 UPS3 15-50/65 Operating conditions Sound pressure level The sound pressure level of the pump is lower than 32 dB(A). Relative humidity Maximum 95 %, non-condensing environment System pressure PN 10: Maximum 1.0 MPa (10 bar) Inlet pressure Liquid temperature Minimum inlet pressure

75 °C

0.005 MPa, 0.05 bar, 0.5 m head

95 °C

0.05 MPa, 0.5 bar, 5 m head Maximum inlet pressure 1 MPa (10 bar) Ambient temperature

0-55 °C

Liquid temperature

2-95 °C

Liquid Maximum water/propylene glycol mixture is 50 % Viscosity Maximum 10 mm2/s Maximum altitude of installation 2000 m above sea level Electrical data Supply voltage 1 x 230 V - 15 %/+ 10 %, 50/60 Hz, PE Insulation class

F

Standby power consumption

< 1 W

Inrush current

< 4 A

Minimum switching time power on/off No specific requirements Miscellaneous data Motor protection The pump requires no external motor protection. Enclosure class

Ipx4D

Temperature class (TF)

Tf95

Specific EEI values

Ups3 15-50/65: Eei ≤ 0.20

Tm07 0792 1518

H2

H1

H4

H3

B4

L3

B2

B1

B3

G

L4

L

Ups3

Pump type Dimensions [mm]

L

L3

L4

B1

B2

B3

B4

H1

H2

H3

H4

G

Ups3 15-50/65

130 89 45 54 54 64 47 25 102 47 149

G 1 1/2

English (GB) 19

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 following pages: • Test liquid: airless water. • The curves apply to a density of ρ = 983.2 kg/m3 and a liquid temperature of 60 °C. • All curves show average values and must not be used as guarantee curves. If a specific minimum performance is required, individual measurements must be made. • The curves for speeds I, II and III are marked. • The curves apply to a kinematic viscosity of  = 0.474 mm2/s (0.474 cSt). • The EEI values obtained according to EN 16297 part 3. 11.2 Performance curve, UPS3 15-50/65

Tm07 0800 1318

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 Q [m³/h] 0 1 2 3 4 5 6 [m]

H

0 10 20 30 40 50 60 [kPa] p 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Q [l/s] 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 Q [m³/h] 0 10 20 30 40 50 60

[W]

P1

Setting

P1

[W]

I1

[A]

Min. 4 0.05 Max. 60 0.52

English (GB) 20

Disposing of the product

This product or parts of it must be disposed of in an environmentally sound way:

Use the public or private waste collection service.

If this is not possible, contact your supplier.

The crossed-out wheelie bin symbol on a product means that it must be disposed of separately from household waste. When a product marked with this symbol reaches its end of life, take it to a collection point designated by the local waste disposal authorities. The separate collection and recycling of such products will help protect the environment and human health. See also end-of-life information at www.grundfos.com/product-recycling.

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1302 Ca Almere

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A2,

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821 09 Bratislava

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yol 200. Sokak No. 204

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GRUNDFOS Pumps Corporation 9300 Loiret Blvd. Lenexa, Kansas 66219 Phone: +1-913-227-3400 Telefax: +1-913-227-3500 Uzbekistan Grundfos Tashkent, Uzbekistan The Repre- sentative Office of Grundfos Kazakhstan in Uzbekistan 38a, Oybek street, Tashkent Телефон: (+998) 71 150 3290 / 71 150 3291 Факс: (+998) 71 150 3292 Addresses Revised 09.09.2020

99423997 12.2020

Ecm: 1303119

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