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Hitecsa EWFAIB, Installation, Operation And Maintenance Instructions, Page: 15 / 49

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Hitecsa EWFAIB Installation, Operation And Maintenance Instructions Download Page 15

14

External water circuit

4 - Installation

SAFETY/CONTROL DEVICES

A

Inlet water temperature sensor

B

Outlet water temperature sensor

C

Water differential pressure switch (105 mbar)

D

Vent valve

E

Water safety valve (3 bar)

F

Manometer

FS

Flow switch

G

Thermometer

I

Hydrometer
Unit side

Y

Water drain

10

10

9

9

13

12

12

11

11

4

5

3

8

6

3

Y

HYDROKIT

INLET

OUTLET

Y

Y

2

3

1

7

FS

F

E

E

D

D

C

A

B

I

G

G

COMPONENTS

1

Plate heat exchanger

2

Pump

3

Draining valve

4

Water buffer tank

5

Water filter

6

Automatic water charging valve

7

Pressure expansion tank

8

Water charging line

9

Water outlet

10

Water inlet

11

Globe valve

12

Flexible pipes

13

By-pass valve

Summary of Contents for EWFAIB

Page 1: ...INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS AIR COOLED WATER CHILLERS AND HEAT PUMPS EWFAIB 20 1 25 1 30 1 12 13 Ref 207384 rev 100 7 05 kW 34 1kW...

Page 2: ...0 5 3 Checking the operation 20 5 4 Delivery to the customer 20 21 6 EWFAIB CONTROL 6 1 Control of EWFAIB units single compressor variable speed 21 6 2 Keypad functions 21 22 6 3 Alarms 22 6 4 Menus 2...

Page 3: ...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...

Page 4: ...d 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...

Page 5: ...y or any other accessory tat 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 w...

Page 6: ...rning 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...

Page 7: ...nstruction for the movimentation Outside the packaging Electrical warning Adjacent to the master switch Pump drain Outside on the right hand front column USARE SOLO R 410A E RECUPERARE FLUIDO NON DISP...

Page 8: ...the electrical board Final Test Certificate Inside the external door ATTENZIONE QUESTO COMPRESSORE RICHIEDE UN CORRETTO SENSO DI ROTAZIONE RISPETTARE LA CORRETTA SEQUENZA DELLE FASI THIS COMPRESSOR RE...

Page 9: ...rations 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...

Page 10: ...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 le...

Page 11: ...les 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...

Page 12: ...shipment even if it has provided for its organisation 3 2 Handling EWFAIB units are designed to be lifted from above by means of cables and eyebolts A spacer shall be arranged between the cables in o...

Page 13: ...o prevent damage corrosion and or deterioration Q Make 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...

Page 14: ...Q The installation site shall be characterised by the presence of the space required for air circulation and for the performance of maintenance operations see chapter 9 for further details 4 2 Extern...

Page 15: ...meter FS Flow switch G Thermometer I Hydrometer Unit side Y Water drain 10 10 9 9 13 12 12 11 11 4 5 3 8 6 3 Y HYDROKIT INLET OUTLET Y Y 2 3 1 7 FS F E E D D C A B I G G COMPONENTS 1 Plate heat exchan...

Page 16: ...er tank The accumulation tank which has been designed to be mounted on units is complete with all the hydraulic and electrical components required for the correct operation of the system These systems...

Page 17: ...Q The fans and compressors are supplied through contactors controlled from the control panel Q Each motor is provided with an internal safety thermal device and external fuses Q The power supply cabl...

Page 18: ...Dimensional Data 4 Installation 1352 4 holes 9 1477 92 213 195 62 5 62 5 33 33 434 390 186 200 106 43 500 A C B Front view Side view Top view A Water inlet on the plant side 1 gas male B Water outlet...

Page 19: ...ed in the Electric Data Chapter 9 For 3 phase systems check also that the unbalance between the phases does not exceed 2 To perform this check measure the differences between the voltage of each phase...

Page 20: ...19 English Electrical Connections 4 Installation...

Page 21: ...temperature the minimum temperature 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...

Page 22: ...it possible to carry out the following operations Q The initial configuration of the machine Q The change of all the main operating parameters Q The display of the detected alarms Q The display of al...

Page 23: ...ed alarm indicator light is on and the beep sounds if one or several alarms is are active Press the alarm button to stop the audible warning and reset the alarm Check the presence of other alarms in t...

Page 24: ...23 English 6 EWFAIB Control 6 4 2 Set menu 6 4 3 tP menu...

Page 25: ...24 6 EWFAIB Control 6 4 4 I O menu...

Page 26: ...25 English 6 4 5 Err menu 6 EWFAIB Control 6 4 6 LOG menu 6 4 7 PAr menu...

Page 27: ...26 6 EWFAIB Control 6 4 8 PSS menu...

Page 28: ...n 6 5 1 Simplified start up procedure 6 5 1 1 Checks On the display of the unit check the coherence of the temperature probes on the tP menu It is preferable to adjust the settings of the water compen...

Page 29: ...28 6 EWFAIB Control 6 5 1 3 Operating condition...

Page 30: ...erature on LWT R 15 K 6 5 1 5 Water pump circulation adjustment The P01 setting is used to adjust the operation of the water circulation pump Q 0 continuous operation even when the unit is in stopped...

Page 31: ...rge pressure bar 0 15 R I O DO 1 Lower fan part load 0 opened C closed R 3 4WV status 0 opened C closed R 4 Pump status 0 opened C closed R 5 Heat exchanger antifreeze heater status 0 opened C closed...

Page 32: ...H30 DI9 meaning 0 1 0 R W H31 LWT max cooling heating floor C 30 55 45 R W H32 EWT LWT antifreeze thresold C 10 20 5 R W H33 Antifreeze hysteresis K 0 9 9 2 R W H34 EWT LWT antifreeze alarm thresold C...

Page 33: ...on gas temperature probe failure E52 Suction gas pressure probe failiure E53 Compressor start up failure E60 Driver auto tune fault COMPRESSOR DRIVER E61 Driver over voltage E62 Driver under voltage E...

Page 34: ...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 p...

Page 35: ...it Flow switch kit Flow switch kit is available as an accessory It is supplied loose and as to be mounted by the customer Connect terminals 1 2 of the flow switch with terminals 1 2 of the Aqu Logic e...

Page 36: ...ll polyethylene in a silver colour Antifreeze resistances or a heating booster kit are installed in the tank upon request On Off Remote Kit It enables the operator to power on the unit when it is in s...

Page 37: ...safety valve E Outlet water temperature sensor S 5 16 Shrader valve charging point F Inlet water temperature sensor SH 5 16 high pressure Shrader valve FS Flow switch SL 5 16 low pressure Shrader val...

Page 38: ...0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 25 30 25 30 20 20 1 2 4 3 1 and 2 unit external static pressure curves 3 and 4 plate heat exchanger water pressure drop curves 700...

Page 39: ...2 3 2 Power input kW 0 6 0 6 0 6 COIL Type Finned tubes Number 1 Frontal surface mm 1 350 x 1 500 Rows 2 3 3 PUMP Type Centrifugal Number 1 Speed rpm 2 800 Water flow rate l s Refer to hydraulic circu...

Page 40: ...he type of insulation and the cable laying the maximum lenght of the power supply line 8 3 Electrical data 8 3 1 Compressor electrical data EWFAIB 20 25 30 Power supply V ph Hz 400 10 3 50 Number 1 Ma...

Page 41: ...00 30 30 I L E H A D C B F G 30 35 1441 457 703 713 766 813 27 538 1625 510 18 1477 A Water inlet 1 gas male B Water outlet 1 gas male C Auxiliary lines D Electrical power supply E Sight glass inspect...

Page 42: ...41 English 8 5 Space Requirements 8 Technical Data 800 mm 400 mm 200 mm 200 mm 200 mm...

Page 43: ...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 concernin...

Page 44: ...ontact one of authorised Service Centers WARNING Compressors use polyester oil During maintenance operations on the compressor or if you have to open the refrigerant circuit in any point remember that...

Page 45: ...ide From the pressure gauge s temperature scale measure the saturated suction temperature Tsa which corresponds to the pressure value Using a contact pressure gauge affixed to the outlet fitting of th...

Page 46: ...ch Reset the pressure switch and the control panel and restart the appliance Identify and remove the cause that enabled the pressure switch The fuse of the control circuit is broken Check for ground d...

Page 47: ...ll be forwarded to manufacturer s Service Centre Component Number Fan 1 High pressure switch 2 Differential water pressure switch 1 High pressure transducer 2 Low pressure transducer 2 Expansion valve...

Page 48: ...he 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 hydrau...

Page 49: ...ed the right to make changes without previous notice HIPLUS AIRE ACONDICIONADO S L C Masia Torrents 2 Tel 938 934 912 Fax 938 939 615 08800 VILANOVA I LA GELTR BARCELONA ESPA A Internet http www hitec...

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