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Unical 00268661, User'S And Installer'S Manual

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Unical 00268661 User'S And Installer'S Manual Download Page 26

 

26 

 

15

 

CIRCULATOR’S CURVES 

15.1

 

MODELS HP_OWER 250N – 350N 

Configuration with integrated circulator, control via PWM1 signal 

 

Configuration with auto-adaptive circulator (with the 

possibility of choice between constant 

∆

P and variable 

∆

P) 

 

15.2

 

MODEL HP_OWER 500N 

Configuration with integrated circulator, control via 0-10 volt 

analogic signal 

 

 

Configuration with auto-adaptive circulator (with the 

possibility of choosing between constant 

P and variable 

P) 

 

 

 

Head pressure 

Input power P1 

 

Head pressure 

Input power P1 

 

Summary of Contents for 00268661

Page 1: ...User s and Installer s Manual 250 350 500 N ...

Page 2: ...t optional module terminal block CODE 00264034 13 7 START UP 14 7 1 POWER ON OF THE UNIT 14 8 INDICATIONS FOR THE USER 14 9 SHUTDOWNS FOR LONG PERIODS 14 10 MAINTENANCE AND PERIODICAL CONTROLS 15 10 1 ENVIRONMENTAL PROTECTION 16 11 DISPOSAL OF THE UNIT 16 12 TECHNICAL DATA 17 12 1 STANDARD VERSION 17 12 2 PRODUCT FICHE AND TECHNICAL PARAMETERS ACCORDING TO REGULATION EU NO 811 2013 18 PRODUCT FICH...

Page 3: ...e unit it refers to It has to be stored in a safe place away from the dust and moisture It has to be 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...

Page 4: ... 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 contry in which the appliance will be installed ...

Page 5: ...ace 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 points out that Do not tamper with or replace parts of the equipment without the specific consent of the manufacturer The manufacturer shall have no responsibility whatsoever in case of unauthorised ...

Page 6: ... TWA 1000 ml m for 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 reducing oxygen available for Eyes protection Safety glasses Protection of hands Rubber gloves Hygiene measures Do not smoke PHYSICAL AND CHEMICAL PROPERTIES Colour Colourless Odor Light...

Page 7: ...ing the unit immediately check its integrity The unit left the factory in perfect condition any eventual damage has to be questioned to the carrier and recorded on the Delivery Note before signing it The company has to be informed within 8 days of the extent of the damage The Customer should prepare a written statement of any severe damage WARNING The units are designed for outdoor installation an...

Page 8: ... rubber band between basement and unit base frame It is also possible to install anti vibration supports springs or rubbers to keep vibrations at a very low level An absolute care has to be taken to ensure adequate air volume to the condenser The re circulation of discharge air has to be avoided failure to observe this point will result in poor performance or activation of safety controls For thes...

Page 9: ...ting water for the plant please refer to UNI 8065 CAUTION The INVERTER control system is able to manage minimum water contents in the plant up to a value of 75 liters for the model HP_OWER 250 of 105 liters for the model HP_OWER 350 of 150 liters for the model HP_OWER 500 This value makes reference to the liters absolute value and not to any kW of installed power 6 4 1 Hydraulic circuit HP_OWER 25...

Page 10: ...OR 4WV CYCLE REVERSING VALVE LR LIQUID RECEIVER EEV ELECTRONIC EXPANSION VALVE FL FILTER M AXIAL FAN SE OUTDOOR AIR TEMPERATURE SENSOR P CIRCULATOR ON BOARD UNIT IN WATER INLET TEMPERATURE OUT WATER OUTLET TEMPERATURE V ON OFF VALVE WITH SOLENOID CP CAPILLARY NRV NO RETURN VALVE PV PRESSURE CHECK VALVE 1 During the operations of filling replenishment the plugs of the air vent valves must be partia...

Page 11: ... must be installed in TN S TT power supply grounding systems The electrical installation must be carried out in accordance with norms in force WARNING The supply voltage s fluctuations cannot exceed 5 of the nominal value Should this tolerance not be respected please contact our technical department WARNING The power supply have to respect the listed limits failing this warranty will terminate imm...

Page 12: ...tral conductor N 6 6 2 User s terminal block L1F1 L1F1 L2F1 L2F1 L3F1 L3F1 N 1 N 2 N 1 N 2 PE 1 PE 1 L3 1 L3 2 L3 1 L3 2 HPS HPS 12AC1 12N1 12AC1 12N1 DO1 DO3 DO5 DO4 DO6 DO7 DO2 DO7N DO6N DO5N DO4N DO3N DO2N DO1N DO7N DO6N DO5N DO4N DO3N DO2N DO1N DO1 DO3 DO5 DO4 DO6 DO7 DO2 AO1 AO2 A02 AO1 AO2 AO1 AO1 AO2 AI1 AI2 AI2 AI1 AI2 AI1 AI1 AI2 ST1 ST2 ST4 ST4 ST2 ST4 ST3 ST4 ST1 ST1 ST1 ST2 ST2 ST3 ST3...

Page 13: ...n the unit s front panel For the configuration of the functionalities please check the control manual supplied with the unit DO1E DO3E DO5E DO4E ST5E ST6E DO2E DO1EN DO1EN DO1E DO3E DO5E DO4E ST5E ST6E DO2E ST7E STE ST7E ST7E ID3E ID3E ID3E ID3E DO2EN DO3EN DO4EN DO5EN ST5E ST6E DO2EN DO3EN DO4EN DO5EN ST5E ST6E ID2E ID2E ID2E ID2E ST8E ST8E ST78E ST8E AO2E AO2E AO2E AO2E AO1E AO1E AO1E AO1E TERMI...

Page 14: ...changes of this seasonal operating mode have to be avoided in order to prevent severe damages to compressors WARNING When you first install and start up the unit make sure that the unit is working properly in both cooling and heating modes 7 1 POWER ON OF THE UNIT For powering on the appliance rotate the outer handle of the disconnector to the ON position indicated with I The display on the machin...

Page 15: ... entering the inner components of the unit be sure that the power supply is disconnected The compressor s heads and discharge pipes are usually at high temperature levels Be very careful when operating in their surroundings Aluminium coil fins are very sharp and can cause serious wounds Be very careful when operating in near them After maintenance operations re install the cover panels and fix the...

Page 16: ...trolled substances and for this reason it has to be subjected to the mentioned norms A particular care is recommended during service operations in order to reduce as much as possible any refrigerant loss 11 DISPOSAL OF THE UNIT Once the unit is arrived at the end of its life cycle and needs to be removed or replaced the following operations are recommended the refrigerant has to be recovered by tr...

Page 17: ... 0 27 04 29 1 36 21 38 4 36 36 38 3 Power input 2 kW 6 48 6 35 9 1 8 96 12 49 12 45 EER 2 W W 3 24 3 33 2 96 3 02 2 90 2 92 SEER 5 W W 3 98 4 00 4 03 Heating Heating capacity 3 kW 24 72 27 2 24 57 27 2 32 50 35 1 32 65 35 3 48 46 51 4 48 25 51 6 Power input 3 kW 5 62 5 47 7 98 7 89 11 63 11 42 COP 3 W W 4 40 4 49 4 07 4 14 4 17 4 22 Heating capacity 4 kW 22 18 24 4 22 05 24 4 32 20 34 9 32 33 35 1...

Page 18: ...A 70 dB A 74 dB A 77 dB A Precautions for installation and maintenance Read precautions for installation and maintenance at specific chapters on user s and installation s manual PRODUCT FICHE HP_OWER for medium temperature application Tout 55 C Supplier s name UNICAL A G spa Model HP_OWER 250 HP_OWER 350 HP_OWER 500 Seasonal space heating energy efficiency class A A A Rated heat output under avera...

Page 19: ...d 5 94 Tj bivalent temperature Pdh 16 4 kW Tj bivalent temperature COPd 2 36 Tj operation limit temperature Pdh 13 8 kW Tj operation limit temperature COPd 1 76 For air to water heat pumps Tj 15 C if TOL 20 C Pdh kW For air to water heat pumps Tj 15 C if TOL 20 C COPd Bivalent temperature Tbiv 7 C For air to water heat pumps Operation limit temperature TOL 15 C Cycling interval capacity for heatin...

Page 20: ... 5 89 Tj bivalent temperature Pdh 20 5 kW Tj bivalent temperature COPd 2 12 Tj operation limit temperature Pdh 17 7 kW Tj operation limit temperature COPd 1 83 For air to water heat pumps Tj 15 C if TOL 20 C Pdh kW For air to water heat pumps Tj 15 C if TOL 20 C COPd Bivalent temperature Tbiv 7 C For air to water heat pumps Operation limit temperature TOL 15 C Cycling interval capacity for heating...

Page 21: ...d 5 76 Tj bivalent temperature Pdh 31 4 kW Tj bivalent temperature COPd 2 23 Tj operation limit temperature Pdh 26 6 kW Tj operation limit temperature COPd 1 73 For air to water heat pumps Tj 15 C if TOL 20 C Pdh kW For air to water heat pumps Tj 15 C if TOL 20 C COPd Bivalent temperature Tbiv 7 C For air to water heat pumps Operation limit temperature TOL 15 C Cycling interval capacity for heatin...

Page 22: ...kW Tj 12 C COPd 3 68 Tj bivalent temperature Pdh 11 6 kW Tj bivalent temperature COPd 1 78 Tj operation limit temperature Pdh 9 8 kW Tj operation limit temperature COPd 1 56 For air to water heat pumps Tj 15 C if TOL 20 C Pdh kW For air to water heat pumps Tj 15 C if TOL 20 C COPd Bivalent temperature Tbiv 7 C For air to water heat pumps Operation limit temperature TOL 15 C Cycling interval capaci...

Page 23: ...kW Tj 12 C COPd 3 88 Tj bivalent temperature Pdh 20 7 kW Tj bivalent temperature COPd 1 59 Tj operation limit temperature Pdh 17 6 kW Tj operation limit temperature COPd 1 33 For air to water heat pumps Tj 15 C if TOL 20 C Pdh kW For air to water heat pumps Tj 15 C if TOL 20 C COPd Bivalent temperature Tbiv 7 C For air to water heat pumps Operation limit temperature TOL 15 C Cycling interval capac...

Page 24: ...kW Tj 12 C COPd 3 51 Tj bivalent temperature Pdh 23 0 kW Tj bivalent temperature COPd 1 78 Tj operation limit temperature Pdh 19 6 kW Tj operation limit temperature COPd 1 56 For air to water heat pumps Tj 15 C if TOL 20 C Pdh kW For air to water heat pumps Tj 15 C if TOL 20 C COPd Bivalent temperature Tbiv 7 C For air to water heat pumps Operation limit temperature TOL 15 C Cycling interval capac...

Page 25: ...e with the UNI EN ISO 9614 2 13 ELECTRIC DATA OF THE UNIT AND AUXILIARIES Power supply of the unit V Hz 400 3 50 Remote control circuit V Hz 12 1 50 Control board circuit V Hz 12 1 50 Fans power supply V Hz 230 1 50 Note Electric data may change for updating It is therefore necessary to refer always to the technical data label sticked on right side panel of the unit 14 AVAILABLE HEAD PRESSURE OF T...

Page 26: ...ive circulator with the possibility of choice between constant P and variable P 15 2 MODEL HP_OWER 500N Configuration with integrated circulator control via 0 10 volt analogic signal Configuration with auto adaptive circulator with the possibility of choosing between constant P and variable P Head pressure Input power P1 Head pressure Input power P1 ...

Page 27: ...OSS CURVES OF THE HYDRONIC CIRCUIT We obtain the pressure head of the circulating pump from the addition of the head losses of the hydronic circuit and the available head pressure For example for the model HP_OWER 250N with nominal water flow 1 01 L s we obtain 30 kPa head loss 88 kPa available head pressure 118 kPa circulator head pressure It s advisable to use the adjustment scale on the right o...

Page 28: ...ermal insulation which reduces at very low outside temperatures the heat losses of 2 compared to a standard insulation 18 2 SSL Cod 00264038 The super silenced unit with SLN accessory is provided not only with the thermo acoustic shells on compressors but also with a special diffuser installed on the fan The diffuser structure improves the air flow efficiency and allows a fan speed reduction lower...

Page 29: ...ility study and evaluation of changes to be made according to your requests The maximum temperature that can be maintained at the outlet of the evaporator is 25 C Higher temperatures up to a maximum of 40 C can anyway be tolerated during transitions and start up phases of the system 19 3 HOT WATER TEMPERATURE WINTER OPERATION Once the system is working at the right temperature the inlet hot water ...

Page 30: ...essure drops correction factor The water flow rate and pressure drop correction factors are to be applied directly to the values given for operation without glycol The water flow rate correction factor is calculated in order to get the same temperature s difference that would be obtained without glycol The pressure drops correction factor takes into account the different water flow rate obtained f...

Page 31: ...m Max Packing height mm Max Packing height with AXITOP Versions SSL mm HP_OWER 250N 350N 1673 1906 1785 2030 HP_OWER 500N 1745 1910 1890 2055 Some units could be shipped with another type of packaging only in case of no accessory AXITOP The maximum height should be increased by 95mm ...

Page 32: ...the units is indicative and useful to present the main components and can therefore vary from the purchased one The front panel is closed The front panel is open at 180 Disconnecting switch with door lock for electric box Master controller protection cover Handle for front panel opening Heat sinks of driver boards ...

Page 33: ...on models there are also other components installed in an additional plate at the bottom left side of the electric box On board terminal block and user s terminal block Support boards Transformer Driver board one for each inverter compressor Disconnecting switch with door lock Cables conduits Inductance Fuses support Contactors Support board Transformer Terminal block EMI filters User display ...

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Page 36: ...rs It also reserves the right to modify its products as deemed necessary or useful without jeopardising their essential features 46033 casteldario mantova italia tel 39 0376 57001 fax 39 0376 660556 info unical ag com export unical ag com www unical eu AG S p A 00338706 1 st edition 09 19 www unical eu ...

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