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4 - Installation (continued)

4.4 Water connections

WARNING

The attachments at the water inlet and outlet
shall be connected in compliance with the
instructions which can be found on the labels in
the proximity of the attachments.

Connect the water lines of the plants with the attachments of the unit

whose diameters and positions are shown by Chapter 8.

4.5 Power supply

DANGER

Before carrying out any operations on the
electrical system, make sure that the unit is
deenergised.

DANGER

It is important that the appliance is grounded.

DANGER

The company in charge of the installation shall
conform to the standards applicable to outdoor
electrical connections.

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:

A 3-phase and grounding connection for the power supply

circuit.

The electrical distribution system shall meet the power absorbed

by the appliance.

The disconnecting and magnetothermal switches must be sized to

control the starting current of the unit.

The power supply lines and the insulation devices must be

designed in such a way that every line independent.

It is recommended to install differential switches, to prevent any

damage caused by phase drops.

The compressors are supplied through contactors controlled

from the control panel.

Each motor is provided with an internal safety thermal device

and external fuses.

The power supply cables must be inserted into dedicated

openings on the front of the unit, and the will enter the electrical
board through holes drilled on the bottom of the board.

Содержание WQH 120

Страница 1: ...vaporanti Enfriadoras de Fluido con Condensación por Agua Bomba de Calor Agua Agua Modelo Condensador Remoto Installation and maintenance manual Manuel d installation et de maintenance Installations und Wartungshandbuch Manuale di installazione e di manutenzione Manual de instalación y de mantenimiento WQL WQH WQRC Part number Code Code Codice Código 354455 B Supersedes Annule et remplace Annullie...

Страница 2: ...ciate con certificato CE PED Si consiglia in occasione della verifica delle valvole di sicurezza di far controllare il corretto intervento dei pressostati di alta pressione Per informazioni circa le modalità operative la strumentazione e la scelta di personale qualificato è possibile contattare IL COSTRUTTORE IMPORTANT NOTICE Maintenance instructions Please read carefully the following instruction...

Страница 3: ...Control of WQL WQH WQRC units single double compressor 26 6 2 Keypad functions 26 6 3 Folder structure 27 6 4 Menu structure 27 6 5 Alarm list 28 7 PRODUCT DESCRIPTION 7 1 General Information 29 7 2 Body and Frame 29 7 3 Compressors 29 7 4 Refrigeration circuits 29 7 5 Evaporator 29 7 6 Condenser except for WQRC 29 7 7 Switch board 29 7 8 Accessories 32 33 8 TECHNICAL DATA 8 1 Pressure drops 34 to...

Страница 4: ... order for this warranty to be valid the following conditions shall be met Q The machine must be operated only by skilled personnel from Authorised After Sales Service Q Maintenance must be performed only by skilled personnel from one of Authorised After Sales Centers Q Use only original spare parts Q Carry out all the planned maintenance provided for by this manual in a timely and proper way Fail...

Страница 5: ...plate Q Suitable safety devices pressure switches and safety valves have been provided to prevent any anomalous overpressure inside the plant Q The vents of the safety valves are positioned and oriented in such a way as to reduce the risk of contact with the operator in the event that the valve is operated Anyway the installer will convey the discharge of the valves far from the unit Q Dedicated g...

Страница 6: ...t may be caught in moving parts Q wear suitable personal protective equipment gloves goggles etc when you have to work in the presence of free flames welding operations or with compressed air Q if the unit is placed in a closed room wear ear protection devices Q cut off connecting pipes drain them in order to balance the pressure to the atmospheric value before disconnecting them disassemble conne...

Страница 7: ... the mains with the external disconnecting switch 2 Safety continued Q place a warning sign do not turn on maintenance in progress on the external disconnecting switch Q make sure that on off remote controls are inhibited Q 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 Q wor...

Страница 8: ...t column Pump operation Outside on the right hand front column Instruction for the movimentation Outside the packaging Sequence phase control on the electrical board Gravity centre Base Instruction for the lifting TENERE SU QUESTA LINEA GANCIO DI SOLLEVAMENTO KEEP LIFT HOOK ON THIS LINE MIN 5 cm ...

Страница 9: ...arning Adjacent to the master switch ATTENZIONE Prima di aprire togliere tensione CAUTION Disconnect electrical supply before opening ACHTUNG Vor offnen des gehauses hauptschalter ausschalten ATENCION Cortar la corrente antes de abrir el aparato ATTENTION Enlever l alimentation electrique avant d ouvrir Commissioning Outside on the left hand front column Final Test Certificate Inside the external ...

Страница 10: ...the unit with water inside hydraulic circuit during winter or when it is in stand by ATTENZIONE Non lasciare l unità con acqua nel circuito idraulico durante l inverno o quando non è funzionante ATTENTION Ne laissez pas l unitè avec de l eau dans le circuit hydraulique pendant l hiver ou quand elle ne travaille pas WARNUNG Lassen Sie nicht das Wasser in die Schaltung während des Winters oder wenn ...

Страница 11: ...gh concentrations may result in the risk of asphyxia due to the reduction in the oxygen percentage in the atmosphere Remove the patient to fresh air and keep warm and at rest If necessary give oxygen In case of breathing difficulties or arrest proceed with artificial respiration In case of cardiac arrest proceed with cardiac massage Then obtain medical attention Recommendations Semiotics or suppor...

Страница 12: ...es and goggles or a mask Accidental release measures It is important to wear protective clothing and a respirator Stop the source of the leak if you can do this without danger Negligible leaks can be left evaporating under the sun providing that the room is well ventilated Considerable leaks ventilate the room Reduce the leak with sand earth or other absorbing substances Make sure that the liquid ...

Страница 13: ...ctive goggles or a mask Wearing protective gloves is not mandatory but is recommended in case of prolonged exposure to refrigerant oil Accidental release measures It is important to wear protective clothing and especially goggles Stop the source of the leak Reduce the leak with absorbing substances sand sawdust or any other absorbing material available on the market Disposal The refrigerant oil an...

Страница 14: ...l responsibility for the shipment even if it has provided for its organisation 3 2 Handling WQL WQH WQRC units are designed to be lifted from above by means of cables and eyebolts A spacer shall be arranged between the cables in order to prevent them from damaging the unit see the figure aside Before handling the devices make sure the site you have chosen for the installation can withstand its wei...

Страница 15: ...e sure all openings such as for example water connections are well plugged and sealed Q Never store the units in a room where temperature is above 50 C R410A units or where the units are directly exposed to the sunlight Q Minimum storage temperature is 25 C Q Store the units in areas where minimum activity is likely to take place in order to avoid any risk of accidental damage Q Never use steam to...

Страница 16: ...d However if the unit is to be installed on the top of inhabited rooms it is advisable to rest it on spring shock absorbers optional that will minimise the transmission of any vibration to the structures To choose the place of installation of the unit bear in mind that Q the unit must not be installed in areas subject to flooding under gutters etc Q the place of installation must be have all the n...

Страница 17: ...ank if available The expansion tank shall never be insulated when the circulating fluid is not flowing through it A water pressure differential switch is mounted as a standard It will stop the unit whenever a flow rate problem occurs In addition Q Install on off valves accessory on the lines at the inlet and outlet of the manifolds of the exchangers Q Arrange a by pass complete with an on off valv...

Страница 18: ...Water outlet 4 Water inlet 5 Globe valve 6 Flexible pipes 7 By pass valve 8 Pressure point drainage SAFETY CONTROL DEVICES A Water differential pressure switch B Inlet water temperature sensor C Outlet water temperature sensor D Vent valve E Thermometer Unit side Probes 1 4 2 E E 3 5 5 6 6 7 INLET OUTLET D C B A 8 8 ...

Страница 19: ... filter 4 Water outlet 5 Water inlet 6 Globe valve 7 Flexible pipes 8 By pass valve 9 Pressure point drainage SAFETY CONTROL DEVICES A Water differential pressure switch B Inlet water temperature sensor C Outlet water temperature sensor D Vent valve E Thermometer Unit side Probes 2 OUTLET INLET 8 7 7 6 6 4 E E 3 5 1 D A B C 9 9 ...

Страница 20: ...expansion tank 5 Water outlet 6 Water inlet 7 Globe valve 8 Flexible pipes 9 By pass valve 10 Pressure point drainage SAFETY CONTROL DEVICES A Water differential pressure switch B Inlet water temperature sensor C Outlet water temperature sensor D Vent valve E Thermometer Unit side Probes C B A D 1 6 3 E E 5 7 7 8 8 9 INLET OUTLET 2 4 10 10 ...

Страница 21: ...3 E E 2 4 1 E 8 8 8 8 COMPONENTS 1C Condenser 1E Evaporator 2 Water filter 3 Water outlet 4 Water inlet 5 Globe valve 6 Flexible pipes 7 By pass valve 8 Pressure point drainage SAFETY CONTROL DEVICES A Water differential pressure switch B Inlet water temperature sensor C Outlet water temperature sensor D Vent valve E Thermometer Unit side Probes ...

Страница 22: ...ater outlet 6 Water inlet 7 Globe valve 8 Flexible pipes 9 By pass valve 10 Pressure point drainage SAFETY CONTROL DEVICES A Water differential pressure switch B Inlet water temperature sensor C Outlet water temperature sensor D Vent valve E Thermometer Unit side Probes C B A D 1 E 6 3 E E 5 7 7 8 8 9 INLET OUTLET 4 2 2 C B A D 1 C 6 3 E E 5 7 7 8 8 9 INLET OUTLET 10 10 10 10 ...

Страница 23: ...lobe valve 8 Flexible pipes 9 By pass valve 10 Non return valve 11 Pressure point drainage SAFETY CONTROL DEVICES A Water differential pressure switch B Inlet water temperature sensor C Outlet water temperature sensor D Vent valve E Thermometer F Water safety valve 6BAR Unit side Probes 2 OUTLET INLET 9 8 8 7 7 5 E E 3 6 1 C D A B C 2 2 2 4 OUTLET INLET 9 8 8 7 7 5 E E 3 6 1 E D A B C F F 10 10 10...

Страница 24: ...by failure to comply with these precautions The unit conforms to EN 60204 1 The following connections shall be provided Q A 3 phase and grounding connection for the power supply circuit Q The electrical distribution system shall meet the power absorbed by the appliance Q The disconnecting and magnetothermal switches must be sized to control the starting current of the unit Q The power supply lines...

Страница 25: ...ding to the diagram of connections User s Terminal Box provided in this manual and according to the wiring diagram which accompanies the unit WARNING Before connecting the power supply lines check that the available voltage value does not exceed the range specified in the Electric Data Chapter 8 For 3 phase systems check also that the unbalance between the phases does not exceed 2 To perform this ...

Страница 26: ...24 4 Installation continued Electrical Connections ...

Страница 27: ...erature outside the pan must be approx 40 C and that the auxiliary control circuit is energised Q Check the operation of all the external equipment and make sure that the control devices of the plant are properly calibrated Q Start the pump and check that the water flow is correct Q Set the desired fluid temperature on the control board Q Start the appliance see Chapter 6 Q Check the correct direc...

Страница 28: ...onnect the control to a BMS network remote display terminal wire remote control 6 1 Control of WQL WQH WQRC units single double compressor WQL WQH WQRC units are provided with a microprocessor card fully programmed by default for the control of a heat pump unit General information The figure shows the terminal It is provided with a 4 red digits with 7 segments with decimal point led 18 LED and 4 b...

Страница 29: ...ord define visibility levels for parameters folders 4 Alarm log display alarm log Parameter folder gives access to following sub folders CL CE Cr CF configure device I O L local E expansion r remote F serial DQDORJXH LQSXWV W SH RI SUREH UDQJH GLIIHUHQWLDO ORJLF function GLJLWDO LQSXWV ORJLF IXQFWLRQ GLJLWDO RXWSXWV ORJLF IXQFWLRQ DQDORJXH RXWSXWV UDQJH VHULDO FRQILJXUDWLRQ FRPPXQLFDWLRQ SDUDPHWHU...

Страница 30: ...erature OFF A Er41 Thermal protection source side pump in case of condensing control option OFF M OFF Er45 Clock failure A Er46 Clock to be set A Er47 LAN communication error A Er48 Legionella set point not reached A Er60 RWT probe plant side failure OFF A OFF Er61 LWT probe plant side failure OFF A OFF Er63 RWT probe plant side failure OFF A Er64 LWT probe plant side failure OFF A Er66 Sanitary h...

Страница 31: ...mounted on rubber shock absorbers so as to minimise the sound level and the vibration transmission 7 4 Refrigeration circuits The refrigeration circuit is provided with a thermostatic expansion valve dehydrating cartridge filter sight glass with a colour change humidity indicator HP and LP pressure switches WQH units feature also a 4 ways valve and check valves in order to always run expansion val...

Страница 32: ...ssure transducer optional BT Low pressure transducer ST Suction temperature probe S 5 16 Shrader connection service only D Water differential pressure switch G Inlet water temperature sensor H Outlet water temperature sensor Pipe connection with Schrader valve SAFETY CONTROL DEVICES A High pressure switch 42 Bar B Low pressure switch 2 Bar AT High pressure transducer optional BT Low pressure trans...

Страница 33: ... BT Low pressure transducer ST Suction temperature probe S 5 16 Shrader connection service only D Water differential pressure switch G Inlet water temperature sensor H Outlet water temperature sensor I PED pressure valve 45 Bar Pipe connection with Schrader valve SAFETY CONTROL DEVICES A High pressure switch 40 5 Bar B Low pressure switch 2 Bar BT Low pressure transducer AT High pressure transduce...

Страница 34: ... for units without refrigerant and with nitrogen precharge No refrigerant charge is shipped loose with the unit The customer has to fill the unit through the apposite connection On Off Remote Kit It enables the operator to power on the unit when it is in standby mode to display alarms and to switch over cooling heat pump The kit will include a 3 metre long cable for installation on the wall i Sequ...

Страница 35: ...cation interface makes it possible to control and manage the unit from a local station with RS485 connection It is possible to obtain the remote control and the management by inserting the control into the management plant of the building Pressostatic Valve Kit 20 45 units This item is available only for cooling only units The pressostatic valve controlled by condensing pressure regulates the wate...

Страница 36: ... 51 6 92 7 95 8 89 Maximum flow rate l s 4 00 4 71 6 08 7 09 9 18 11 5 13 2 14 8 Minimum pressure drop kPa 9 43 7 34 8 10 7 70 7 83 8 52 9 07 9 08 Nominal pressure drop kPa 24 1 18 8 20 7 19 7 20 0 21 8 23 2 23 3 Maximum pressure drop kPa 67 0 52 2 57 6 54 8 55 7 60 6 64 5 64 6 PRESSURE DROP IN THE CONDENSER 50 to 190 50 60 75 90 120 150 170 190 K kPa l s 2 4 20 2 35 1 56 1 09 0 66 0 46 0 37 0 29 ...

Страница 37: ...ure drop kPa 17 7 26 2 35 6 43 9 40 5 39 7 WATER CONNECTIONS Type Victaulic Inlet diameter inch 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 Outlet diameter inch 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 CONDENSER Number 1 1 1 1 1 1 Type Plate Water flow rate l s 1 23 1 52 1 80 2 02 2 28 2 70 Water pressure drop kPa 14 5 21 4 57 4 35 8 44 8 26 5 WATER CONNECTIONS Type Victaulic Inlet diameter inch 1 1 2 1 1 2 1 ...

Страница 38: ...rop kPa 19 2 27 4 73 2 46 7 57 1 34 7 WATER CONNECTIONS Type Victaulic Inlet diameter inch 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 Outlet diameter inch 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 EXTERNAL HEAT EXCHANGER Number 1 1 1 1 1 1 Type Plate SUMMER OPERATION Water flow rate l s 1 21 1 51 1 76 1 98 2 23 2 66 Water pressure drop kPa 13 7 20 4 54 8 33 8 42 1 25 4 WINTER OPERATION Water flow rate l s 1 44...

Страница 39: ...low rate l s 1 00 1 24 1 50 1 66 1 88 2 21 Water pressure drop kPa 17 1 25 4 35 6 43 7 34 3 38 9 WATER CONNECTIONS Type Victaulic Inlet diameter inch 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 Outlet diameter inch 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 REMOTE CONDENSER REFRIGERANT CONNECTIONS Type To be brazed Inlet diameter inch 5 8 5 8 5 8 5 8 5 8 5 8 Outlet diameter inch 5 8 7 8 7 8 7 8 7 8 7 8 WEIGHT Sh...

Страница 40: ... 2 2 1 2 2 1 2 Outlet diameter inch 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 CONDENSER Number 1 1 1 1 1 1 1 1 Type Plate Water flow rate l s 2 98 3 55 4 50 5 33 6 90 8 57 9 89 11 21 Water pressure drop kPa 35 0 27 0 29 0 28 0 29 0 32 0 34 0 35 0 WATER CONNECTIONS Type Victaulic Inlet diameter inch 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 Outlet diameter inch 2 1 2 2 1 2 2 1 2 2 1 2 2...

Страница 41: ...1 WATER CONNECTIONS Type Victaulic Inlet diameter inch 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 Outlet diameter inch 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 EXTERNAL HEAT EXCHANGER Number 1 1 1 1 1 1 1 1 Type Plate SUMMER OPERATION Water flow rate l s 2 94 3 46 4 45 5 22 6 75 8 45 9 70 10 89 Water pressure drop kPa 37 3 28 7 31 2 29 2 29 5 32 1 34 8 34 1 WINTER OPERATION Water flow ...

Страница 42: ...s 2 45 2 95 3 72 4 37 5 67 7 05 8 09 9 23 Water pressure drop kPa 25 2 20 5 21 5 20 7 21 2 22 6 24 1 24 9 WATER CONNECTIONS Type Victaulic Inlet diameter inch 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 Outlet diameter inch 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 REMOTE CONDENSER REFRIGERANT CONNECTIONS Type To be brazed Inlet diameter inch 5 8 5 8 7 8 7 8 7 8 7 8 1 1 8 1 1 8 Outlet di...

Страница 43: ...25 25 35 35 70 70 95 95 WQL WQH WQRC 20 25 30 35 40 45 Rated voltage V ph Hz 400 10 3 50 Max absorbed power kW 8 3 10 2 12 0 13 5 14 8 17 1 Rated current A 9 3 11 8 12 9 13 9 16 0 20 7 Max current FLA A 15 0 21 0 22 0 25 0 31 0 34 0 Max start up current LRA A 101 0 111 0 118 0 118 0 140 0 174 0 External fuses A 25 25 32 32 40 40 Max cable section mm2 6 6 10 10 10 10 The dimensioning of the unit s ...

Страница 44: ... 4 0 4 0 Absorbed rated current FLA A 4 2 4 2 5 9 5 9 6 3 6 3 7 7 7 7 WQL WQH 2P HP condenser 50 60 75 90 120 150 170 190 Rated voltage V ph Hz 400 10 3 50 Rated power kW 2 2 2 2 3 3 3 3 3 0 4 0 5 5 5 5 Absorbed rated current FLA A 4 2 4 2 5 9 5 9 6 3 7 7 10 4 10 4 WQL WQH WQRC 20 25 30 35 40 45 Number 1 1 1 1 1 1 Nominal power input kW 4 6 5 7 6 5 7 4 8 3 10 1 Max absorbed power kW 8 3 10 2 12 0 ...

Страница 45: ... 20 45 available static pressure external heat exchanger 1P C Water flow rate l s Water flow rate l s H kPa H kPa 20 25 30 35 45 40 0 0 25 0 5 0 75 1 1 25 1 5 1 75 2 2 25 2 5 2 75 3 50 100 75 125 150 175 200 225 250 275 300 20 25 45 35 40 30 0 0 25 0 5 0 75 1 1 25 1 5 1 75 2 2 25 2 5 2 75 3 50 25 0 100 75 125 150 175 200 225 250 275 300 ...

Страница 46: ...r flow rate l s H kPa H kPa 0 25 50 75 100 125 150 175 200 225 250 0 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 7 5 8 8 5 9 9 5 10 10 5 11 12 11 5 50 60 75 90 150 170 190 120 0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 0 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 7 5 8 8 5 9 9 5 10 10 5 11 12 12 5 13 13 5 14 11 5 50 75 60 90 120 150 190 170 8 Technical Data continued ...

Страница 47: ... kPa H kPa 0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 0 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 7 5 8 8 5 9 9 5 10 10 5 11 12 12 5 13 13 5 14 11 5 50 60 75 90 120 150 190 170 10 35 60 85 110 135 160 185 210 235 260 285 310 335 360 385 410 0 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 7 5 8 8 5 9 9 5 10 10 5 11 12 12 5 13 13 5 14 11 5 50 60 90 120 150 170 190 75 8 Technical Data continu...

Страница 48: ...150 0 5 0 75 1 1 25 1 5 1 75 2 2 25 2 5 2 75 3 3 25 3 5 3 75 4 20 25 30 35 40 45 0 15 30 45 60 75 90 105 120 135 150 165 180 0 5 0 75 1 1 25 1 5 1 75 4 25 4 5 4 75 2 2 25 2 5 2 75 3 3 25 3 5 3 75 4 20 25 35 40 30 45 Water flow rate l s DP kPa WQL H RC 50 190 internal heat exchanger pressure drop 0 20 10 30 40 50 60 70 80 1 0 2 0 3 0 4 0 5 0 6 0 16 0 7 0 8 0 9 0 10 0 11 0 12 0 13 0 14 0 15 0 50 60 ...

Страница 49: ...100 110 120 130 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 12 0 13 0 14 0 15 0 16 0 17 0 18 0 19 0 50 60 75 90 120 150 170 190 Water flow rate l s WQL H RC 50 190 desuperheater pressure drop DP kPa 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 0 0 0 2 0 4 0 6 0 8 1 0 1 4 1 2 1 8 1 6 2 2 2 0 2 6 2 4 3 0 2 8 3 4 3 2 50 60 75 90 120 150 170 190 ...

Страница 50: ...3 51 190 184 400 785 218 376 30 STD 42 42 50 51 184 179 400 785 222 373 25 STD 44 42 51 50 187 181 400 785 218 378 20 STD 40 40 43 42 165 159 400 785 221 399 45 1P C 61 52 67 58 236 225 400 785 206 391 40 1P C 52 50 56 55 213 207 400 785 219 395 35 1P C 50 50 54 54 207 201 400 785 221 397 30 1P C 47 49 51 53 201 197 400 785 225 395 25 1P C 49 49 53 53 204 198 400 785 221 398 20 1P C 46 47 44 45 18...

Страница 51: ... 745 713 796 600 421 741 50 117 124 56 63 360 353 796 600 438 702 60 130 132 58 60 379 369 796 600 427 714 75 143 139 62 59 403 391 796 600 416 720 90 155 146 65 56 422 408 796 600 407 728 120 217 226 79 88 610 591 796 600 434 736 150 247 251 91 95 683 659 796 600 428 737 170 262 262 97 97 718 691 796 600 423 738 190 282 274 107 99 762 730 796 600 415 738 50 94 111 55 72 332 329 796 600 462 670 60...

Страница 52: ...796 380 438 386 1P SP E 43 45 36 37 161 134 796 380 430 391 1PSP E 1PSP C 45 49 40 44 178 144 796 380 438 384 1PSP C 38 39 30 32 139 131 796 380 431 393 2P SP E 46 50 41 45 182 154 796 380 438 384 2PSP E 2PSP C 52 59 51 59 221 183 796 380 449 373 2P SP C 41 44 36 39 161 151 796 380 440 385 1P HP E 44 46 37 39 166 139 796 380 433 389 1PHP E 1PHP C 46 51 43 47 188 153 796 380 442 380 1PHP C 38 40 32...

Страница 53: ...796 380 459 366 1P SP E 47 51 43 47 188 160 796 380 441 381 1PSP E 1PSP C 53 62 55 64 233 195 796 380 454 369 1PSP C 41 46 38 42 167 157 796 380 443 382 2P SP E 55 64 57 66 243 210 796 380 452 370 2PSP E 2PSP C 70 88 84 102 344 295 796 380 465 357 2P SP C 50 59 52 61 222 207 796 380 455 369 1P HP E 48 53 45 50 195 167 796 380 444 379 1PHP E 1PHP C 56 68 63 75 262 224 796 380 461 363 1PHP C 44 51 4...

Страница 54: ...ction D Gauge kit E F G Internal heat exchanger connections Ø1 1 2 VIC H I L External heat connections Ø1 1 2 VIC 821 862 922 A B ø 30 C D 135 189 775 103 168 176 829 605 1245 1350 455 18 785 401 25 18 25 43 E G H L F I UNIT WITH PUMP BASIC UNIT F G IN INT H E WQRC 25 45 WQRC 20 E E OUT I L IN H Ø 5 8 H Ø 5 8 IN REFRIGERANT CONNECTIONS WATER CONNECTIONS EXT H E H H OUT L Ø 7 8 L Ø 5 8 OUT ...

Страница 55: ... Side view Side view Rear view Lost view 8 6 Dimensional drawings WQL WQH WQRC 50 190 without hydrokit A Control display B Main switch C Auxiliary lines electrical connection D Gauge kit G H Internal heat exchanger connections Ø2 1 2 VIC Ø76 1 MM E F External heat connections Ø2 1 2 VIC Ø76 1 MM G IN INT H E WATER CONNECTIONS H OUT E IN EXT H E F OUT ...

Страница 56: ...connections Ø2 1 2 VIC Ø76 1 MM WQRC 150 WQRC 120 WQRC 90 75 WQRC 60 50 WQRC 190 170 F Ø 7 8 F Ø 7 8 F Ø 7 8 F Ø 5 8 F Ø 1 1 8 E Ø 1 5 8 E Ø 1 3 8 E Ø 1 1 8 E Ø 7 8 E Ø 1 5 8 L I E F G H 1363 844 678 159 186 659 321 523 307 990 750 1200 1960 50 190 190 ø 45 ø 45 B A 45 846 1496 600 796 300 300 380 183 183 25 25 P1 P3 P2 P4 P7 P5 P6 P8 C D Low view Only for WQRC for transport UNIT WITH PUMP BASIC U...

Страница 57: ...55 English 8 Technical Data continued 8 7 Unit clearances in mm WQL WQH WQRC 20 45 WQL WQH WQRC 50 190 ...

Страница 58: ...und the costs incurred to repair the appliance in its original state The provisions of this section apply only to standard units according to the order requirements other documentation may be added concerning any modifications or supplementary accessories 9 2 Planned maintenance Maintenance inspections must be carried out according to the program below by a qualified person As a general rule units...

Страница 59: ...t exposed to the weather for prolonged periods as this would require the replacement of the oil 9 5 Condenser Check at regular intervals that the water side of the heat exchanger is perfectly clean To do this measure the pressure drop water side see Section 8 or measure the temperature of the liquid leaving and entering the heat exchanger and compare it to the condensing temperature To obtain an e...

Страница 60: ...necessary repeat the regulation If the expansion valve cannot be regulated it is probably broken and shall be replaced The replacement must be carried out by a Service Centre 9 Maintenance continued 9 9 Evaporator Check at regular intervals that the water side of the heat exchanger is perfectly clean To do this measure the pressure drop water side see Section 8 or measure the temperature of the li...

Страница 61: ...ve the cause that enabled the pressure switch The fuse of the control circuit is broken Check for ground dispersions and short circuits Replace fuses Loosened terminals Check and tighten Halt caused by thermal overload of the electric circuit Check the operation of check and safety devices Identify and remove the cause Wrong wiring Check wiring of check and safety devices The line voltage is too l...

Страница 62: ...inside the doors of the electrical panels of the unit Any request for wiring diagrams shall be forwarded to manufacturer s Service Centre Component Number Pump 1 Differential pressure switch 1 High pressure transducer 1 Low pressure transducer 1 Expansion valve 1 Gas filter 1 4 way valve 1 Electronic main board 1 Auxiliary circuit trasformer 1 Compressor contactor 2 Pump contactor 1 Water sensor 4...

Страница 63: ...the heat exchange sections of the plant DANGER If no shutoff valves have been provided it may be necessary to drain the whole plant If a glycoled solution or a similar fluid has been used in the hydraulic circuits or if chemical additives have been added to the circulating water the circulating fluid MUST be drained in a proper way For NO reason shall a circuit containing glycoled water or a simil...

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