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The manual of “

HPE INVERTER

” units collects all the necessary information for the better use of the appliance under the 

operator’s safety conditions which meets the requirements listed in the 2006/42/CE Equipment Directive and following 

amendments.

 

1

 

PURPOSES AND CONTENTS OF THE MANUAL 

This manual provides the basic information as for the selection, installation, operation and maintenance of i-HP units. It 

is addressed to the installer and the user of the appliance and it includes the necessary indications allowing the user to operate 

the unit efficiently, even without any previous specific knowledge of it. 

The manual describes the characteristics of the appliance at the time of its marketing; therefore, it must be considered adequate 

respecting the state of the art in terms of potentiality, ergonomics, safety and functionality. 

The company introduces also technological improvements and is not constrained to update the manuals for previous versions 

of appliances that could not be compatible. So make sure to use, for the installed unit, the supplied manual. 

It’s recommended that, the user must follow the instructions contained in this booklet, especially those concerning the safety and 

routine maintenance. 

1.1

 

CONSERVATION OF THE MANUAL 

The manual has to be always kept for future reference. It has to be stored in a safe place, away from dusts and moisture. It has to 

be also available and accessible to all users who shall consult it any time they are in doubt on how to operate the equipment. The 

company reserves the right to modify its products and related manuals without necessarily updating previous versions of the 

reference material. It declines also any responsibility for possible inaccuracies in the manual if due to printing or transcription 

errors.

 

The customer must keep any updated copy of the manual or parts of it delivered by the manufacturer as an attachment to this 

manual. 

The company is available to give any detailed information about this manual and to give information regarding the use and 

the maintenance of its own units. 

1.2

 

GRAPHIC SYMBOLS 

Indicates operations that can be dangerous for people and/or disrupts the correct operation of the equipment.

 

Indicates prohibited operations. 
Indicates important information that the operator has to follow in order to guarantee the correct operation of the 

equipment in complete safety. 

2

 

SAFETY LAWS 

The units have been designed in accordance with the following directives and harmonised standards: 

• EU Directives 2014/68/UE, 2006/42/EC, 2014/35/UE, 2014/30/EU, 2011/65/EU, 2012/19/EU

• UNI EN 378-1, 378-2, EN 12735-1

• UNI EN ISO 12100, EN 60204-1, UNI EN ISO 13857

• CEI EN 61000-6-3, IEC 61000-6-2.

3

 

PERMITTED USES 

The company excludes any contractual and extra-contractual liabilities for damages caused to persons, animals or objects, by

incorrect installation, setting and maintenance, improper use of the equipment, and the partial or superficial reading of the

information contained in this manual.

These units have been designed only for heating and/or cooling of water. Any other use  not expressly authorized by the

manufacturer is considered improper and therefore not allowed.

The location of the plant, the hydraulic and electrical circuits must be established by the planting designer and must take into

account both technical requirements as well as any applicable local laws and authorized specifications.

The execution of all works must be performed by skilled and qualified personnel, competent in the existing rules in different

countries.

The execution of all works must be performed by skilled and qualified personnel and competent in the existing rules in the

country in which the appliance will be installed.

Summary of Contents for HPE 35

Page 1: ...TECHNICAL INFORMATION HPE 25 70 HPE LT 25 50 INVERTER Air water inverter heat pumps with axial fans and steam injection versions HPE 25 70 HPE LT 25 50 INVERTER...

Page 2: ...m the application of Directive 2014 68 UE Reference to Art I paragraph 2 point f L attrezzatura a pressione rientra nella CAT I L unit quindi esente dall applicazione della normativa PED 2014 68 UE Ri...

Page 3: ...3 LOCATION AND MINIMUM TECHNICAL CLEARANCES 14 7 4 DIMENSIONS 15 7 5 HYDRAULIC CONNECTIONS 15 7 5 1 Characteristics of water of the plant circuit 16 7 5 2 Hydraulic circuit type 16 7 5 3 Handbook 17...

Page 4: ...D PRESSURE OF THE UNIT WITH INTEGRATED CIRCULATOR 32 16 CIRCULATOR S CURVES 33 16 1 MODELS HPE 25 35 33 16 2 MODEL HPE 50 50F 33 16 3 MODEL HPE 60 34 16 4 MOD HPE 60 HPE 70 34 16 5 CIRCULATOR CHARACTE...

Page 5: ...g or transcription errors The customer must keep any updated copy of the manual or parts of it delivered by the manufacturer as an attachment to this manual The company is available to give any detail...

Page 6: ...ce s health and safety including 89 391 CEE 89 686 CEE 89 655 CEE 2009 104 CE 86 188 CEE and 77 576 CEE directives Every employer shall implement such norms and ensure that workers to respect them It...

Page 7: ...or each of the two components Respiratory protection For rescue and maintenance operation in storage tanks use self contained respirator The vapors are heavier than air and can cause suffocation by re...

Page 8: ...diameter is 7 94 mm the thickness of the aluminium fins is 0 12 mm The pipes are mechanically expanded into the aluminium fins in order to improve the heat transfer coefficient The geometry of this he...

Page 9: ...gy provide maximum efficiency regarding the standard units with scroll compressors The EVI technology consists of injecting the refrigerant vapour at the intermediate stage of the compression process...

Page 10: ...which identify the sizes versions and factory mounted accessories no 1 fixed digits equal to 0 for now it is not used 0110516 CT1 TA IV CI KA GI FAN SIL TR 00 MC FATHER CODE SIZE VERSION 0110516 CT T...

Page 11: ...Module not present 1 GI Module present 2 Modbus communication protocol 4 3 Modbus communication protocol and GI module present 0 DC fan 0 Not silenced 1 Silenced 2 Super silenced 0 Coil without treatm...

Page 12: ...provides thermo acoustic insulators on compressors 2 The super silenced unit with SSL accessory provides thermo acoustic insulators on compressors and a special diffuser installed on the fan which re...

Page 13: ...this manual can create dangerous situations After receiving the unit immediately check its integrity The unit left the factory in perfect condition any eventual damage has to be questioned to the car...

Page 14: ...CLEARANCES All i HP models are designed for outdoor installations any cover over the unit or locating near trees even if they partially cover the unit has to be avoided in order to allow the air recir...

Page 15: ...Make sure that when designing the pipe length and diameter do not exceed the maximum head loss on the plant side please see the technical data available head pressure WARNING An air vent valve should...

Page 16: ...h lack of washing of the system or lack tampering of the Y filter the company reserves the right not to pass the replacement of the component as a guarantee 7 5 1 Characteristics of water of the plant...

Page 17: ...ter on the charging topping up pipe must be suitably pre filtered from any impurities and suspended particles Make sure that you have installed a cartridge filter removable WARNING Before beginning th...

Page 18: ...CIRCULATOR ON BOARD UNIT M AXIAL FAN PV PRESSURE CHECK VALVE CP CAPILLARY SE OUTDOOR AIR TEMPERATURE SENSOR V ON OFF VALVE WITH SOLENOID 7 6 2 Refrigerant circuit of HPE 50 model EEV ELECTRONIC EXPANS...

Page 19: ...VERTER COMPRESSOR P CIRCULATOR ON BOARD UNIT M AXIAL FAN PV PRESSURE CHECK VALVE 7 6 4 Refrigerant circuit of HPE 50F model EEV ELECTRONIC EXPANSION VALVE NRV NO RETURN VALVE ST COMPRESSOR INLET TEMPE...

Page 20: ...TEMPERATURE INJP INJECTION PRESSURE TRANSDUCER INJ INJECTION VALVE 7 7 ELECTRICAL CONNECTIONS Check if the power supply circuit meets the unit s electric nominal data tension phases frequency reporte...

Page 21: ...not ground the unit with pipes or lightning rods A poor grounding of the unit can result in electrocution Warning Electrostatic discharges can damage the electronic components before performing any w...

Page 22: ...lectric box is opened i HP 0125 i HP 0135 i HP 0250F i HP 0250 On board terminal block and user s terminal block Support boards Transformer Driver board one for each inverter compressor Disconnecting...

Page 23: ...Ph N PE 400V 50Hz The power cables should be brought inside the electrical panel of the unit and connected to the disconnecting switch inside the electric panel itself in the bottom at the left as sho...

Page 24: ...tput 230Vac 50Hz 5A resistive 1A inductive 1 2 Secondary circulator GNDR Serial communication Modbus ground reference connection terminal for remote supervision R Serial communication Modbus signal co...

Page 25: ...l indications on unit labels are respected Check if all power cables are properly connected and all terminals are tightly fixed Check if the electrical connections are performed according to the norms...

Page 26: ...regarding the limits set out in Paragraph 20 4 Before you turn the unit on after a long off period make sure that the temperature of the mixture of water and glycol is higher than or at least equal t...

Page 27: ...to direct the water jet perpendicular to the surface of the condenser for not to bend the aluminum fins Avoid hitting the condenser with the water hose It is recommended not to place your thumb on th...

Page 28: ...ion 12 1 Residual risks In this paragraph we point out the most common situations that could give rise to risks that cannot be eliminated by the manufacturer during the design phase of the project Ris...

Page 29: ...98 1 97 Load losses user s side heat exchanger 4 kPa 33 46 28 Energetic class Water temp 35 C 55 C Classe A A A A A A Compressor Type Scroll DC Inverter Scroll DC Inverter Scroll DC Inverter Rfrigeran...

Page 30: ...ger 4 kPa 27 74 25 Energetic class Water temp 35 C 55 C Class A A A A A A Compressor Type Scroll DC Inverter Scroll ON OFF Scroll DC Inverter Scroll DC Inverter Rfrigerant oil type FVC68D FVC68D FVC68...

Page 31: ...W W 3 98 4 17 3 90 Water flow rate 1 L s 1 00 1 01 1 36 1 37 1 73 1 74 Load losses user s side heat exchanger 1 kPa 32 37 20 Heating Heating capacity 3 kW 24 15 24 02 32 50 32 36 47 78 47 58 Power inp...

Page 32: ...in apex 1 2 3 and 4 refer to the instantaneous power according to EN 14511 The declared data stated in the apex 6 is determined according to the UNI EN 14825 WARNING The minimum temperature allowed fo...

Page 33: ...circulator with the possibility of choice between constant P and variable P 16 2 MODEL HPE 50 50F Configuration with integrated circulator control via 0 10 volt analogic signal Configuration with auto...

Page 34: ...0 23 Because of the circulators have got similar prevalence curves to those integrated please refer to Paragraph 15 for plant designing 17 HEAD LOSS CURVES OF THE HYDRONIC CIRCUIT We obtain the press...

Page 35: ...1L s we obtaine 1 4kPa valve head loss 30kPa hydronic circuit head loss 34 9 kPa total internal head loss 19 ACCESSORIES TO REDUCE THE NOISE LEVEL 19 1 SL The silenced unit with SL accessory is provid...

Page 36: ...on systems the proper flow rate for getting the best performance from your unit can be found at maximum speed of the circulator using the pressure gauges for controlling the pressure difference betwee...

Page 37: ...30 C Water outlet temperature standard injection version Min 25 C Max 58 C 59 C Heat pump mode for sanitary hot water Ambient temperature standard injection version Min 15 25 C Max 50 38 C Ambient te...

Page 38: ...ater flow rate correction factor PDCF Pressure drops correction factor The water flow rate and pressure drop correction factors are to be applied directly to the values given for operation without gly...

Page 39: ...A2B ACCORRONI E G VIA ANCONA 37 60027 OSIMO AN www accorroni it a2b accorroni it...

Page 40: ...tolo puramente indicativo la A2B Accorroni E G S r l si riserva di apportare eventuali modi che senza alcun preavviso web site www accorroni it e mail a2b accorroni it A2B Accorroni E G s r l Via d An...

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