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MAXA HWA1 0140, Руководство пользователя и инсталлятора

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A I R   C O N D I T I O N I N G

A55

USER'S-INSTALLER'S MANUAL

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WATER 

CHILLERS AND HEAT PUMPS

 WITH AXIAL FANS

MUI01110G7720-0

2

 

0

9

 – 201

7

R22

R407c

R410a

R134a

R407C

Содержание HWA1 0140

Страница 1: ...rie Series Serie S rie Emissione Edition Au sgabeIssue HWA1 A H 10 2017 0140 0285 Catalogo Catalogue Katalog Brochure Sostituisce Superseedes Ersetzt Remplace AIR WATER CHILLERS AND HEAT PUMPS WITH AX...

Страница 2: ...3 LOCATION AND MINIMUM TECHNICAL CLEARANCES 11 7 4 HYDRAULIC CONNECTIONS 12 7 5 HYDRAULIC CIRCUIT 13 7 5 1 Drainage system 13 7 5 2 Plant circuit loading 14 7 5 3 Plant drainage system 14 7 6 REFRIGER...

Страница 3: ...AND POWER INPUT CURVES IN COOLING MODE FOR HEAT PUMP VERSIONS 27 13 8 DECLARED TOTAL OUTPUT CAPACITIES AND POWER INPUT CURVES IN HEATING MODE TAKING INTO ACCOUNT OF THE DEFROSTING CYCLES ACCORDING TO...

Страница 4: ...reference material It declines also any responsibility for possible inaccuracies in the manual if due to printing or transcription errors The customer shall store any updated copy of the manual or par...

Страница 5: ...e health and safety laws including 89 391 CEE 89 686 CEE 2009 104 CE 86 188 CEE 89 655 CEE and 77 576 CEE should be respected by every employer who must oblige the employees to respect them It points...

Страница 6: ...AEL 8 h e 12 h TWA 1000 ml m for each of the two components Respiratory protection For rescue and maintenance operation in storage tanks use self contained respirator apparatus The vapors are heavier...

Страница 7: ...ible through the front panel of the unit which allows also the monitoring of the inner components 5 4 AIR SIDE HEAT EXCHANGER The air side heat exchanger for chiller units is made entirely of aluminiu...

Страница 8: ...quired protection also for the operation with low evaporation pressures especially when the thermal protection on the power supply circuit is not sure High pressure transducer for condensation control...

Страница 9: ...tput capacity Water piping configuration Hydronic configuration Integrated tank kit Antifreeze Kit Plant system management module Fan motor type Silencing Coil treatment 00 Cooling only 01 40 kW 09 Re...

Страница 10: ...only versions they are standard on heat pump models 3 Crankcase heaters for cooling only versions are standard in heat pump versions GI 0 Unit without plant management module 1 The additional module...

Страница 11: ...at high temperatures Be sure to let the unit to become cool before beginning any maintenance work Be careful when working near condensing coils The aluminum fins are very sharp and can cause serious...

Страница 12: ...the next water flow Loading group and discharge valve where it s required WARNING Make sure that when determining the pipe sizes you should exceed the maximum head loss on the plant side please refer...

Страница 13: ...rage Models HWA1 A HWA1 H with 1 or 2 pumps for storage tank and free cooling A Plate heat exchanger B Flow switch C Service valve D Manometer for inlet pressure E Air vent valve F Safety valve G AC c...

Страница 14: ...nit in order to make easy the operation it is recommended to install externally two draining valves on the water inlet and on the water outlet between the unit and the manual gate valves 7 6 REFRIGERA...

Страница 15: ...ature ST Compressor inlet temperature SV Solenoide valve 7 6 3 Total heat recovery HWA1 A unit Refrigerant circuit C Compressor DT Compressor outlet temperature EV Electronic expansion valve FD Unidir...

Страница 16: ...let temperature CL Tandem collector SV N C Solenoid valve FM Mechanical filter NR Non return valve SD Desuperheated gas sensor SS DHW inlet temp sensor 7 6 5 Refrigerant circuit of HWA1 H 0140 0147 un...

Страница 17: ...lector SV N C Solenoid valve FM Mechanical filter NR Non return valve 4WV 4 way valve 7 6 7 Total heat recovery HWA1 H unit refrigerant circuit in cooling only C Compressor DT Compressor outlet temper...

Страница 18: ...t with a dedicated line if you use a residual current circuit breaker choose a four pole one with a trigger threshold of 300 mA and delayed triggering super resistant characteristic K The machine must...

Страница 19: ...3 N for neutral line PE earth conductor Available for HWA1 A cooling only versions 7 8 PM MODULE PHASES PROTECTION The PM module detects the correct sequence of the 3 phases L1 L2 and L3 power supply...

Страница 20: ...matically powered when the main switch is switched off The crankcase heaters are working properly if after some minutes the temperature of crankcase s compressor is about 10 C 15 C higher than ambient...

Страница 21: ...nd ensure that the fan is stopped before opening the front panel The temperatures of heads and exhaust piping of the compressor are usually high Pay attention to the surfaces of the driver boards heat...

Страница 22: ...Compressor Brand Bitzer Type D6 Scroll Number 1 2 Oil type quantity dm BVC32 2 7 BVC32 5 4 AC fan motor or Y for the model 0281 only for EC fan motor is available for EC data see the H version Type A...

Страница 23: ...pressure high low MPa 4 2 2 7 Hydraulic circuit Water flow rate 2 L s 1 88 2 21 2 85 3 47 4 05 Available head pressure 2 kPa 75 7 73 4 64 5 73 4 64 7 Internal head loss 2 kPa 55 8 56 6 61 5 63 7 66 6...

Страница 24: ...30 Y 87 8 25 7 3 42 104 3 27 2 3 83 35 84 7 29 2 2 90 100 6 29 4 3 42 40 79 8 30 7 2 60 95 5 32 2 2 97 45 75 1 34 4 2 18 89 4 35 0 2 56 13 4 COOLING PERFORMANCE DATA TABLES FOR HEAT PUMP UNITS AT DIFF...

Страница 25: ...3 2 19 7 32 4 12 1 2 66 32 7 14 8 2 22 31 5 16 55 1 90 10 30 3 12 0 2 53 31 1 14 6 2 14 nd nd nd HWA1 0260 H 22 88 1 16 5 5 34 85 4 19 1 4 47 77 1 22 02 3 50 12 71 6 15 8 4 54 68 9 18 9 3 65 62 9 22 2...

Страница 26: ...HWA1 A HWA1 H Air Water chillers and heat pumps with axial fans 26...

Страница 27: ...apacity k W air temperature C HWA1 H 0140 HWA1 H 0147 HWA1 H 0260 HWA1 H 0272 HWA1 H 0285 10 0 12 0 14 0 16 0 18 0 20 0 22 0 24 0 26 0 28 0 30 0 32 0 34 0 36 0 20 25 30 35 40 45 input kW air temperatu...

Страница 28: ...31 33 35 37 20 25 30 35 40 45 input kW air temperature C HWA1 H 0140 HWA1 H 0147 HWA1 H 0260 HWA1 H 0272 HWA1 H 0285 13 8 DECLARED TOTAL OUTPUT CAPACITIES AND POWER INPUT CURVES IN HEATING MODE TAKING...

Страница 29: ...HWA1 A HWA1 H Chillers and Air Water heat pumps with axial fans 29...

Страница 30: ...the hydronic circuit and the available head pressure of the plant gives us the minimum head of the circulator pump which should be installed 16 HEAT PUMPS AVAILABLE HEAD PRESSURE WITH INTEGRATED PUMP...

Страница 31: ...w rate is referred to a T 5 C between the evaporator s inlet and outlet temperatures with nominal capacity at 7 C of the produced water The allowed maximum flow rate is corresponding to T 4 C Higher v...

Страница 32: ...ure should not be lower than 25 C the lowest values which are not related to transitional or start up stages may cause system s failure with possible damages to compressor The maximum outlet water tem...

Страница 33: ...at pump mode Operation s boundaries for chiller mode 0 5 10 15 20 25 30 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 Water temperature C Air ambient temperature C EC fan motor with pressure modulation AC...

Страница 34: ...r 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 differen...

Страница 35: ...rs and Air Water heat pumps with axial fans 35 22 DIMENSIONS Height H mm Max height of the packing mm 0140 0147 1985 2035 0260 0272 0285 2110 2170 Hydraulic connections Plant side 2 F Heat recoveries...

Страница 36: ...a nufacturer reserves the right to modify the data whenever it is considered necessary Via S Giuseppe Lavoratore 24 37040 Arcole Verona Italy Tel 39 045 76 36 585 r a Fax 39 045 76 36 551 r a www maxa...

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