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SystemAir PAW-200W5APAC, Руководство по установке и обслуживанию

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8 - Technical Data

8.9  Performance correction factor due to equivalent pipes length and height of installation

U-200PZH2E8 (For 50 Hz)
PAW-200W5APAC

Cooling

Heating

Base capacity  
change rate

Base capacity  
change rate

Elevation difference (m)

Elevation difference (m)

Equivalent length (m)

Equivalent length (m)

U-250PZH2E8 (For 50 Hz)
PAW-250W5APAC

Cooling

Heating

Elevation difference (m)

Elevation difference (m)

Equivalent length (m)

Equivalent length (m)

Base capacity  
change rate

Base capacity  
change rate

Содержание PAW-200W5APAC

Страница 1: ...WATER HEAT EXCHANGER Installation and maintenance manual PAW 200W5APAC PAW 250W5APAC ISO 9001 2015 certified management system 20 25 kW 25 30 kW English Part number 374736D Supersedes 374736C ...

Страница 2: ......

Страница 3: ... 17 to 18 5 START UP 5 1 Preliminary checks 19 5 2 Start up 19 20 5 3 Test run procedure 20 21 5 4 Checking the operation 21 6 CONTROL 6 1 System Control 22 to 24 6 2 Circuit board controls and connectors 25 6 3 WHE Wiring Diagram 26 7 PRODUCT DESCRIPTION 7 1 General information 27 7 2 Accessories 27 to 29 7 3 Circuit diagram 30 8 TECHNICAL DATA 8 1 Hydraulic features 31 8 2 Envelope 31 8 3 Physic...

Страница 4: ...t n The machine must be operated only by skilled personnel from Authorised After Sales Service n Maintenance must be performed only by skilled personnel from an Authorised After Sales Center n Use only original spare parts n Carry out all the planned maintenance provided for by this manual in a timely and proper way n The installation procedure and the installation site must be as indicated in thi...

Страница 5: ...acement of original refrigerant or the introduction of hydrocarbons WARNING The used refrigerants are included in group I n The maximum working pressure values are mentioned on the unit s data plate n Suitable safety devices pressure switches and safety valves must be installed on the refrigerant line when installing the unit n Dedicated guards removable panels with tools and danger signs indicate...

Страница 6: ...e instructions before using them n be sure to have removed all tools electrical cables and any other objects before closing and starting the unit again 2 4 Precautions against residual risks Prevention of residual risks caused by the control system n be sure to have perfectly understood the operating instructions before carrying out any operation on the control panel n when you have to work on the...

Страница 7: ...disconnecting switch If possible the isolating device should be locked off n make sure that on off remote controls are inhibited n wear suitable personal protective equipment helmet safety gloves goggles and shoes etc To carry out any measurements or checks which require the activation of the machine n work with the electrical board open only for the necessary time n close the electrical board as ...

Страница 8: ...antes de abrir el aparato ATTENTION Enlever l alimentation electrique avant d ouvrir CODICE PRODOTTO NEUTRO PRODUCT CODE MODELLO MODEL 0425 MO NO MATRICOLA SERIAL NO ANNO DI COSTRUZIONE Manuf Year REFR GWP CIRCUIT 1 2 3 4 CHARGE Kg PS LATO ALTA LATO BASSA PS HIGH LOW SIDE TS ALTA BASSA TS HIGH LOW ALIM POTENZA MAIN SUPPLY CORRENTE DI SPUNTO LRA CORRENTE A PIENO CARICO FLA POTENZA ASSORBITA POWER I...

Страница 9: ... Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of persons competent in the use of flammable refrigerants n Servicing shall be performed only as recommended by the manufacturer Work n Prior to beginning work on systems containing flammable refrigerants safety checks are necessary to ensure that the risk of ignition is minimised...

Страница 10: ...overing or purging the system There is continuity of earth bonding n At all times the manufacturer s maintenance and service guidelines shall be followed n If in doubt consult the manufacturer s technical department for assistance n If a fault exists that could compromise safety then no electrical supply shall be connected to the circuit until it is satisfactorily rectified n In the event that it ...

Страница 11: ...circuit with inert gas evacuate purge again with inert gas open the circuit by cutting or brazing n The refrigerant charge shall be recovered into the correct recovery cylinders n The system shall be flushed with OFN to render the unit safe n This process may need to be repeated several times n Compressed air or oxygen shall not be used for this task n Flushing shall be achieved by breaking the va...

Страница 12: ...labels on the equipment stating the equipment contains flammable refrigerant Recovery n When removing refrigerant from a system either for servicing or decommissioning it is recommended good practice that all refrigerants are removed safely n When transferring refrigerant into cylinders ensure that only appropriate refrigerant recovery cylinders are employed n Ensure that the correct number of cyl...

Страница 13: ...essary 3 3 Storage If the unit is to be stored for some time prior to installation take at least the following precautions to prevent damage corrosion and or deterioration n Make sure all openings such as for example water connections are well plugged and sealed n Maximum storage temperature is 40 C n Minimum storage temperature is 0 C n Store the units in areas where minimum activity is likely to...

Страница 14: ...o ISO 817 R32 refrigerant is classified as A2L which is mildly flammable since the flame propagation rate is low and non toxic R32 refrigerant can burn slowly when all the following conditions are present n The concentration is between the lower and upper flammability limit LFL UFL n T Wind velocity propagation of flame velocity n Energy of the ignition source Minimum ignition energy Safety class ...

Страница 15: ...imary water circuit shall never be lower than 10 lt kW in terms of refrigerating capacity In the event of insufficient water volume a buffer tank should be installed This tank is intended to avoid any repetitive start of the compressor n A membrane expansion tank complete with a safety valve and a drain which shall be visible n Follow the 3 possible configurations in the figures on the next page N...

Страница 16: ... the diagram below UNIT 1 UNIT 2 Legend S On Off valves VG Balancing valves WARNING Always install the flow switch kit and the water filter kit supplied loose with the unit see accessory chapter for more information The lack of these components will void the warranty Instruction for external pump Single phase motor pump 0 37 kW Threephase motor pump Single phase motor pump 0 37 kW ...

Страница 17: ...ilter supplied with WHE 12 Flexible pipes 13 Expansion vessel 14 Automatic water charging valve 15 Globe valve 16 Water buffer tank 17 3 way valve SAFETY CONTROL DEVICES B Inlet water temperature sensor C Outlet water temperature sensor D Flow switch supplied with WHE E Inlet water pressure probe F Outlet water pressure probe H Water safet valve Unit side o Probes Pressure pipe connection with shr...

Страница 18: ...stop the unit in the event of interrupted water flow thus protecting the evaporator from freezing The flow switch is supplied with a clean contact that must be electrically connected to the terminals shown in the wiring diagram The flow switch must be set up to intervene when the water flow of the evaporator is lower than the minimum flow declared for the unit in question NOTE The external flow sw...

Страница 19: ...tions The manufacturer may not be held liable for any damage and or injury caused by failure to comply with these precautions The unit conforms to EN 60204 1 The following connections shall be provided n A single phase with neutral and grounding connection for the power supply circuit n The electrical distribution system shall meet the power absorbed by the appliance n The power supply lines and t...

Страница 20: ...18 WHE Electrical Connections 4 Installation A2 COIL A1 11 NC NO COM 14 12 A2 COIL A1 11 NC NO COM 14 12 A2 COIL A1 11 NC NO COM 14 12 A2 COIL A1 11 NC NO COM 14 12 ...

Страница 21: ...that fluids have been circulating for at least 12 hours n Adjust the liquid distribution network in such a way that the flow rate inside the Water heat exchanger is within the specified range n Check that the water quality is to the required specifications 5 2 Start up Start up sequence n Turn on the Main switch n Check the operation of all the external equipment and make sure that the control dev...

Страница 22: ...f indoor and outdoor units Is system single type 1 indoor unit is connected to 1 outdoor unit and remote controller Is group control with multiple outdoor units used Turn ON the indoor and outdoor power Indicate mark the combination number Automatic address Set the remote controller to test run Can operation be started Return the remote controller to normal control Turn ON the indoor and outdoor p...

Страница 23: ...d off in 60 minutes To prevent continuous test operation Outdoor units do not operate for approx 3 minutes after the power is turned on or operation is stopped Attention Do not use this mode for purposes other than the test operation To prevent overload of the units Read the installation instructions supplied with the units 5 4 Checking the operation Check the following n The temperature of the wa...

Страница 24: ...or units and indoor units with different refrigerant systems in the same way Inter unit control wiring Connect the remote controller communication wiring to the indoor units R1 R2 for each refrigerant system Remote controller wiring 3 Connect the remote controller communication wiring 2 wires from the remote controller wiring terminal plate R1 R2 on the indoor unit unit where the remote controller...

Страница 25: ...r cases correct settings referring to the following table and perform auto address setting again n Contents of LEDs 1 and 2 on outdoor unit control P C board LED 1 LED 2 Contents of display After turned ON power not during auto address setting it is entirely impossible to communicate with the indoor unit in the system After turned ON power not during auto address setting although the indoor units ...

Страница 26: ... the or button Main sub remote controller control Control using 2 remote controller switches Main sub remote controller control refers to the use of 2 remote controllers to control 1 or multiple indoor units A maximum of 2 remote controllers can be connected n Connecting 2 remote controllers to control 1 Indoor unit n Remote controller setting mode CZ RTC5B 1 Press and hold the and buttons simulta...

Страница 27: ...ntrol system 2 Cicrcuit board controls and connettors GND GND TERMINAL PLATE TERMINAL PLATE CONTROL PCB POWER RELAY MOV PCB FUSE HEAT COLD 3Z SWITCH 2Z 1Z POWER RELAY 3 Electrical box layout PCB TRASF MOC TRASF 6 2 Circuit Board Controls and Connectors ...

Страница 28: ...26 6 Control 6 3 WHE Wiring Diagram ...

Страница 29: ...s Evaporators are made of stainless steel plates They are thermally insulated by means of a thick flexible insulating mattress with closed cells The maximum operating pressures correspond to 10 bar for the water side and to 45 bar for the refrigerant side Antifreeze protection for the water in the exchangers is ensured by differential pressure switch and an antifreeze temperature sensor The water ...

Страница 30: ...bient temperature 55 C Electrical Data Max Voltage 250 Vac Current 15 A Electrical connection 1 2 NPT threaded Protection class IP54 Leading Dimensions L 200 mm H 165 mm R1 EN10226 Rp 1 1 4 R2 EN10226 Rp 1 Pressure drops see graph for pressure drops at nominal flow rate Kv 21 NOTE Install the flow switch horizontally as indicated in the figure WARNING Use the 1 1 4 paddle and completely screw the ...

Страница 31: ...e It is delivered uncalibrated The advised calibration flow rate is shown in the table below Adjustments should be carried out as follows turn the calibration screw A in a clockwise direction for the contacts to close at higher flow rate values or in a counterclockwise direction for lower flow rate values When the adjustment has been made lock the screw A with the locking ring nut B Avoid all cont...

Страница 32: ...VICES A Water differential pressure switch B Inlet water temperature sensor C Outlet water temperature sensor D Refrigerant probe E Refrigerant probe F Antifreeze probe Unit side o Probes Pressure pipe connection with Schrader valve Refrigerant strainers can work in both flow directions 7 3 Circuit diagram ...

Страница 33: ... the sum of the evaporator pressure drop filter pressure drop and flow switch pressure drop refer to accessory chapter for information WARNING The minimum evaporating temperature allowed in cooling mode on the refrigerant side is 2 C Lower evaporating temperature could cause freezing in the plate heat exchanger 8 2 Envelope WHE Total Water Pressure Drop PAW 5WAPAC operating limit condition Indoor ...

Страница 34: ... 15 4 85 Minimum flow rate m3 h 2 00 2 50 Maximum flow rate m3 h 6 80 8 00 Pressure drop kPa Refer to Hydraulic features HYDRAULIC CONNECTIONS EVAPORATOR Type Threaded male Inlet diameter inch 1 1 4 1 1 4 Outlet diameter inch 1 1 4 1 1 4 WEIGHT Shipping weight kg 35 including flow switch kit and filter kit Operating weight kg 27 DIMENSIONS Length mm 455 Width mm 205 Height mm 550 PAW 250 500 Rated...

Страница 35: ...ata 8 5 Dimensional Drawings WHE 550 60 CONTROLLER KEYPAD DISPLAY 5217 9 70 279 57 WATER INLET 1 1 4 Gas M WATER OUTLET 1 1 4 Gas M 7 9 455 10 205 62 44 51 450 LIQUID PIPE 1 2 BRAZED GAS PIPE 3 4 BRAZED 723 9 5 7 9 J37278 Rev ...

Страница 36: ...34 8 Technical Data 8 6 Space Requirements mm min 40 min 1000 min 300 min 100 ...

Страница 37: ... EER CC kW PI kW EER CC kW PI kW EER U 200PZH2E8 PAW 200W5APAC 7 21 5 6 74 3 18 20 0 6 61 3 03 17 9 6 14 2 91 17 0 5 82 2 92 10 22 5 6 68 3 36 21 0 6 54 3 21 18 9 6 07 3 11 18 0 5 75 3 13 U 250PZH2E8 PAW 250W5APAC 7 27 9 9 18 3 04 26 0 9 00 2 89 23 2 8 35 2 78 22 1 7 92 2 79 10 29 2 9 09 3 21 27 3 8 91 3 06 24 5 8 26 2 97 23 4 7 83 2 99 Heating Mode Leaving Water Temperature Outdoor Air Intake Tem...

Страница 38: ...Tj 12 Pdh 4 95 kW Tj 12 COP 8 59 or Tj bivalent temperature Pdh 17 20 kW Tj bivalent temperature COP 2 10 or Tj operation limit temperature Pdh 13 43 kW Tj operation limit temperature COP 1 70 or Tj 15 if TOL is 20 Pdh kW Tj 15 if TOL is 20 COP or Bivalent temperature Tbiv 10 Operation Limit temperature TOL 20 Degradation co efficient Cdh 0 9 Power consumption in modes other than active mode Off m...

Страница 39: ... or Tj 12 Pdh 6 19 kW Tj 12 COP 8 96 or Tj bivalent temperature Pdh 20 50 kW Tj bivalent temperature COP 2 08 or Tj operation limit temperature Pdh 15 20 kW Tj operation limit temperature COP 1 72 or Tj 15 if TOL is 20 Pdh kW Tj 15 if TOL is 20 COP or Bivalent temperature Tbiv 10 Operation Limit temperature TOL 20 Degradation co efficient Cdh 0 90 Power consumption in modes other than active mode ...

Страница 40: ...AC Cooling Heating Base capacity change rate Base capacity change rate Elevation difference m Elevation difference m Equivalent length m Equivalent length m U 250PZH2E8 For 50 Hz PAW 250W5APAC Cooling Heating Elevation difference m Elevation difference m Equivalent length m Equivalent length m Base capacity change rate Base capacity change rate ...

Страница 41: ...in doubt please contact an authorised Service Centre Operations Daily Weekly Monthly Beginning of season End of season Check the temperature of the leaving fluid Check the pressure drops in the heat exchanger Check the insulation of the heat exchanger Check that terminals are tightened Check that the terminals screws are tightened Clean the exterior of the unit with water and soap Check the operat...

Страница 42: ...t Thermistor BT IN RF 374792 Refrigerant Thermistor BT OUT RF 374794 Water Thermistor BT AF 374793 Water Thermistor BT IN 374796 Water Thermistor BT OUT 374795 Plate Heat Exchanger 374403 Differential Pressure Switch 372761 PAW200 342626 PAW250 Drain Pipette 374551 Power Transformer Main TR1 371916 Fuse 1A 342744 Power Relay KP KA3 KA4 373178 Power Relay KA1 374803 Electronic main board 371914 Hig...

Страница 43: ... mixture or a similar solution be discharged directly into the drains or surface waters Note that this unit is not specified to work with a glycol solution After draining operations the piping of the hydraulic networks can be disconnected and disassembled Once they have been disconnected as specified the packaged units can be disassembled in a single piece First of all disassemble the anchoring sc...

Страница 44: ...vorherige Ankündigung geändert werden Fotos nicht vertraglich bindend A causa della politica di continua miglioria posta in atto dal costruttore questi prodotti sono soggetti a modifiche senza alcun obbligo di preavviso Le foto pubblicate non danno luogo ad alcun vincolo contrattuale Con objeto de mejorar constantemente nuestros productos pueden ser modificados sin previo aviso Fotos no contractua...

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