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Installation and Operating Instruction 

 

Heiz- und Sanitärtechnik GmbH 

Ziegeleistraße 1 

5020 Salzburg / AUSTRIA

 

EPS Series Energy-saving Pipeline Canned Motor Pump 

with speed control via PWM signal 

for heating and solar systems

 

 

Summary of Contents for EPS Series

Page 1: ...on and Operating Instruction Heiz und Sanitärtechnik GmbH Ziegeleistraße 1 5020 Salzburg AUSTRIA EPS Series Energy saving Pipeline Canned Motor Pump with speed control via PWM signal for heating and solar systems ...

Page 2: ...2 TABLE OF CONTENTS ...

Page 3: ...nel 14 6 Setting of electric pump 15 7 PWM Signal Control Mode 17 8 bypass valve system fitted between inlet pipeline and return pipeline 20 9 Startup 21 10 Settings and performance of pump 22 11 Performance curve 23 12 Characteristics 26 13 Technical data and installation dimension 27 Startwatt Power input Model Voltage Current 28 14 Fault checklist 30 ...

Page 4: ...4 DIMENSIONS TECHNICAL DATA ...

Page 5: ...1 180 90 180 66 132 132 170 1 1 HSTEPS 32 11 180 90 180 66 132 132 170 2 1 max head max Flow power consumption voltage mains frequency HSTEPS 25 4 180 4m 2 5 m3 h 5 22 Watt 230V 50 Hz 60 Hz HSTEPS 25 6 180 6m 3 2 m3 h 5 45 Watt HSTEPS 25 7 5 180 7 5m 3 4 m3 h 5 70 Watt HSTEPS 32 4 180 4m 2 8 m3 h 5 22 Watt HSTEPS 32 6 180 6m 3 6 m3 h 5 45 Watt HSTEPS 32 7 5 180 7 5m 3 8 m3 h 5 70 Watt HSTEPS 20 6 ...

Page 6: ...d water frequently to avoid an increase in the calcium in the circulating water of pipeline so as not to clog impellers 10 It is prohibited to start the pump when there is no pumping liquid 11 Some models can not be used for diet water 12 Pumping liquid may be of high temperature and pressure therefore liquid in the system should be drained off or stop valves on both sides of the pump must be swit...

Page 7: ...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 Warning Before starting installation the Installation and Operating Instructions of device must be read carefully Installation and use of the device must comply with local regulations and follow good operation specification War...

Page 8: ...matically and continuously to meet the actual needs of the system EPS series circulating pump is equipped with control panel on the front which is convenient for the operation of users 1 2 Advantages of installation of EPS series circulating pump 1 Easy installation and start up 2 EPS series circulating pump has Autoadaptation mode AUTO factory settings In most cases you can start the pump without...

Page 9: ...l IP 44 2 6 Inlet pressureto avoid damage to the pump bearing caused by cavitation noise the following minimum pressure should be maintained in the pump inlet 2 7 Pumping liquid Thin clean non corrosive and non explosive liquid does not contain any solid particles fibers or mineral oil the pump should not be used for conveying flammable liquid such as vegetable oil and gasoline absolutely If the c...

Page 10: ...p housing indicate the direction of liquid flowing through the pump body 2 When the pump is installed on the pipeline its inlet and outlet must be installed with two leather packings provided 3 During installation the pump shaft must be in the horizontal position 3 2 Position of junction box ...

Page 11: ...d match the four screw holes 4 Put the four socket head cap screws back and tighten them in the cross direction order 5 Open the valve of inlet and outlet Warning Pumping liquid may be of high temperature and pressure therefore liquid in the system should be drained off or valves on both sides of the pump must be switched off before removing socket head cap screws Change the position of junction b...

Page 12: ...ct the thermal losses of electric pump body and pipeline Conduct thermal insulation for electric pump body and pipeline so as to reduce the thermal losses of pump and pipeline Isolating or covering junction box and control panel is not allowed Caution Note ...

Page 13: ...rth wire The pump must be connected with an external power switch or heating control the minimum gap between all the electrodes is 3 mm 1 EPS series circulating pump does not need external motor protection Check whether the voltage of power supply and frequency match with the parameters marked by pump nameplate 2 Use the pump associated plug to connect power supply 3 If the indicator lamp on the c...

Page 14: ...er voltage protection restart after voltage returns to normal low voltage protection value 165 5V Gearlight 3 flickers Over current protection restart after 5s Gearlight 4 flickers Under load protection restart after 5s Gearlight 5 flickers Over Phase protection restart after 5s Gearlight1 2flickers Locked rotor protection restart after 5s Gearlight1 3flickers Start failure asymmetric motor parame...

Page 15: ...f electric pump is indicated by the light lit of 9 locations Key position Number of times of key Fixed light area Explanation 2 0 AUTO Auto adaptation 1 2 3 BL1 BL2 Proportional pressure curve 4 5 6 HD1 HD2 Constant pressure curve 7 8 10 HS1 HS2 HS3 Constant speed curve 6 SETTING OF ELECTRIC PUMP 6 1 The electric pump should be set according to system type ...

Page 16: ...5 For the relationship between pump settings and performance curve please see Section 9 1 6 2 The control on electric pump During the operation of pump control it according to proportional pressure control BL principle or constant pressure control HD principle In these two control modes the performance of pump and corresponding power consumption should be adjusted according to the heat demand of s...

Page 17: ...signal PWM OUT is the feedback signal of the pump and the PWM frequency is fixed at 75Hz 5 3 Duty Cycle d d t T For example T 2 ms 500Hz t 0 6 ms d 100 0 6 2 30 U 7 15V ich U 1V iL I 10mA Code Descriptions T Cycle D Duty Cycle UiH Input High Voltage UiL Input Low Voltage IiH Input Current 7 2 Interface The pump is controlled by external electrical elements and components through interfaces The int...

Page 18: ...gnal is 0 or 100 the pump will switch to non PWM mode normal mode and the default system will have no PWM signal input PWM Input Signal Pump Status 0 The pump switches to non PWM mode normal mode and the default system will have no PWM signal input 10 The pump runs at the highest velocity 10 84 The pump curve will drop from the highest to the lowest 85 91 The pump runs at the lowest velocity 91 95...

Page 19: ...top The pump stops 90 Alarm stops malfunctions pump blocked The pump does not work and will restarts only after trouble is addressed 85 Alarm stops electrical malfunction trouble The pump does not work and will restarts only after trouble is addressed 75 Warning The pump runs trouble has been detected under this situation but it is not critical and the pump can still work 0 70 0 70W slope 1 W PWM ...

Page 20: ...The minimum flow must be ensured when all valves are closed Water pump settings depend on the type of bypass valve it equipped with i e manually operated bypass valve or temperature controlled bypass valve 8 2 Manually operated bypass valve Follow the following steps 1 When adjusting the bypass valve the water pump should be in setting HS1 constant speed gear I mode The minimum flow of system Q mi...

Page 21: ...s filled with liquid gas has been vented and the electric pump inlet pressure must achieve the minimum inlet pressure as required see Chapter 3 9 2 Gas exhausting of electric pump EPS series pump has automatic gas exhausting function There is no need for gas exhausting before startup Gas in the electric pump may cause noise The noise will disappear after putting it into operation for a few minutes...

Page 22: ...to the load change of a period of time In the Autoadaptation mode the water pump is set to proportional pressure control mode BL1 BL2 Proportional pressure curve The pump working point will move up and down on the proportional pressure curve according to the flow needs of system when the flow demand reduces the water pump pressure supply will drop while when the flow demand increases it will rise ...

Page 23: ... Q H curve 11 2 Curve conditions The following description applies to the performance curves in EPS series manual Testing liquid gas free water Applicable density of curve ρ 983 2 kg cubic meter and the liquid temperature is 60 All the values expressed by curves are averages they can not be taken as the guaranteed curves If a particular performance is required measurement must be conducted separat...

Page 24: ...24 EPS XX 5 series EPS XX 6 series Performance curve Performance curve ...

Page 25: ...25 EPS XX 7 Serie EPS XX 7 5 Serie ...

Page 26: ...imum mode minimum current 2 current Maximum mode maximum current Minimum mode minimum current 3 Maximum pressure bearing of system MPa 4 Product No 5 Motor steering 6 Voltage V 7 Insulation class 8 Protection Level 9 Certification mark 10 Frequency Hz 11 Temperature grade 12 Energy efficiency label 13 Model ...

Page 27: ...ergy efficiency index EEI 0 20 Motor protection Pump does not need external protection Protection Level IP44 Insulation class H Relative Humidity RH Max95 System Load Bearing 1 0 MPa MPa Suction inlet pressure Liquid temperature Minimum inlet pressure 75 0 005 MPa 90 0 028 MPa 110 0 100 Moa EMC standards EN61000 6 1 and EN61000 6 3 Sound pressure level The sound pressure level of pump is below 42d...

Page 28: ...imum Maximum 0 2 110 10 10 110 20 20 110 30 30 110 35 35 90 40 40 70 In domestic hot water it is recommended to keep the temperature of water below 65 so as to reduce scaling Startwatt Power input Model Voltage Current Startwatt W at start Power input W Model Voltage Current V A 14 7 22 EPS15 4 220 240V 50 60Hz 0 19 EPS20 4 EPS25 4 EPS32 4 21 3 32 EPS15 5 220 240V 50 60Hz 0 27 EPS20 5 EPS25 5 EPS3...

Page 29: ...29 FAULTCHECKLIST ...

Page 30: ...Over currentprotection Returntofactorymaintenance Gearlight4flickers NowaterinPump Openthevalveandsupplywatertothepump Gearlight5flickers Enterthemotorlinedisconnected Returntofactorymaintenance Gearlight1 2flickers Rotorstuck Removethepumphouseandtakeoutthe rotorcleaning Gearlight1 3flickers Motorresistanceparametersdonot match Returntofactorymaintenance Gearlight1 4flickers Over heatprotection R...

Page 31: ...31 ...

Page 32: ...nded by HST misuse of the product that does not conform to HST Installation and Use Manual improper maintenance and handling of product disassemble products and replace parts by oneself Any product provided rather than manufactured by HST Heiz und Sanitärtechnik GmbH should comply with the quality assurance provisions of the manufacturer Within warranty period the product repair is guaranteed by p...

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