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50VZ/PZ
38VZ/PZ+40PZ

Vertical Air-Cooled
Split-System Cooling Units
and Heat Pumps

Installation, operation and maintenance instructions

Содержание 38PZ

Страница 1: ...1 50VZ PZ 38VZ PZ 40PZ Vertical Air Cooled Split System Cooling Units and Heat Pumps Installation operation and maintenance instructions ...

Страница 2: ...sate drainage 27 ELECTRICAL CONNECTIONS 28 Refrigerant line connections 38VZ PZ and 40PZ 29 Refrigerant line selection 29 Sizing 30 REFRIGERANT CHARGE 31 START UP 31 REFRIGERANT SYSTEM DESCRIPTION 31 COMPRESSOR REPLACEMENT 31 DESCRIPTION OF UNIT PROTECTION DEVICES 32 Operating limits 32 OPTIONS AND ACCESSORIES 32 Hot water heating coil 32 Electric resistance heaters 33 GENERAL MAINTENANCE 34 SERVI...

Страница 3: ...mp o C Entering air temp o C Leaving air temp o C Leaving air temp o C Pressure drop air kPa Pressure drop air kPa Discharge air pressure Pa Discharge air pressure Pa Fan motor input Ph 1 Volts Fan motor input Ph 1 Volts Ph 2 Volts Ph 2 Volts Ph 3 Volts Ph 3 Volts SAFETY DEVICE SETTING High pressure switch cut out kPa cut in kPa Low pressure switch cut out kPa cut in kPa Step controller cut out 1s...

Страница 4: ...r the complete system but excludes the connection lines Based on an outdoor air dry bulb temperature of 35 C and a dewpoint suction temperature of 7 C 50PZ 40PZ 38PZ 015 025 030 031 040 045 055 065 075 Nom cooling capacity kW 13 42 21 81 28 50 27 70 34 36 43 60 52 51 61 94 72 58 Nom heating capacity kW 15 76 25 02 30 58 30 20 39 15 50 18 57 43 66 60 83 06 Unit weight kg 50PZ 238 400 412 427 638 86...

Страница 5: ...r dry bulb temperature of 46 C and an indoor air wet bulb temperature of 21 C Based on an outdoor air dry bulb temperature of 35 C and a dewpoint suction temperature of 7 C Based on an outdoor air dry bulb temperature of 46 C and a dewpoint suction temperature of 12 C 50PZ 40PZ 38PZ 015 025 030 031 040 045 055 065 075 Nominal voltage 10 V 230 400 230 400 230 400 230 400 230 400 230 400 230 400 230...

Страница 6: ...harge 40PZ 015 Optional discharge Power connection Drain 3 4 gas Cable inlet Optional discharge Transport skid Drain Cable inlet Transport skid Transport skid When designing an installation always use up to date drawings available from your local Carrier office ...

Страница 7: ...harge 40PZ 025 Optional discharge Power connection Optional discharge Drain 3 4 gas Cable inlet Transport skid Drain Cable inlet When designing an installation always use up to date drawings available from your local Carrier office Transport skid Transport skid ...

Страница 8: ...Z 030 Optional discharge 40PZ 030 Optional discharge Power connection Drain 3 4 gas Cable inlet Transport skid Drain Cable inlet When designing an installation always use up to date drawings available from your local Carrier office Transport skid Transport skid ...

Страница 9: ...harge 40PZ 031 Optional discharge Power connection Drain 3 4 gas Cable inlet Optional discharge Transport skid Drain Cable inlet When designing an installation always use up to date drawings available from your local Carrier office Transport skid Transport skid ...

Страница 10: ...Z 040 Optional discharge 40PZ 040 Optional discharge Power connection Cable inlet Drain 3 4 gas Cable inlet Drain Transport skid When designing an installation always use up to date drawings available from your local Carrier office Transport skid Transport skid ...

Страница 11: ...045 055 Optional discharge 40PZ 045 055 Optional discharge Power connection Cable inlet Drain 3 4 gas Cable inlet Drain Transport skid When designing an installation always use up to date drawings available from your local Carrier office Transport skid Transport skid ...

Страница 12: ...065 075 Optional discharge 40PZ 065 075 Optional discharge Power connection Cable inlet Drain 3 4 gas Cable inlet Drain Transport skid When designing an installation always use up to date drawings available from your local Carrier office Transport skid Transport skid ...

Страница 13: ...e unit is installed with outdoor air ducts It is also necessary to leave space for cleaning and inspection of the outdoor heat exchanger Space for removal of the air filter and the indoor or outdoor section belt and pulley transmission is required on the right and left hand side 38VZ PZ 40PZ ...

Страница 14: ...767 781 ZG 526 434 448 444 450 525 527 521 527 Measured from point 38VZ PZ 015 025 030 031 040 045 055 065 075 XG 349 583 595 707 831 1081 1085 1289 1313 YG 382 552 518 509 498 512 509 495 489 ZG 586 479 493 485 463 542 556 566 577 Measured from point 40PZ 015 025 030 031 040 045 055 065 075 XG 499 771 776 776 982 1261 1257 1453 1510 YG 230 296 314 314 308 341 338 337 333 ZG 301 286 307 307 389 45...

Страница 15: ... 87 137 164 178 205 224 69 133 138 101 149 244 258 260 285 Support 38VZ points 015 025 030 031 040 045 055 065 075 38 62 63 66 115 131 134 151 166 49 82 80 81 128 146 151 164 180 35 58 59 60 83 136 154 152 167 30 48 50 53 62 132 138 141 155 Support 38PZ points 015 025 030 031 040 045 055 065 075 40 64 65 70 120 136 141 157 172 51 84 82 85 133 151 157 170 186 37 61 62 64 88 142 160 158 173 32 51 53...

Страница 16: ...l Replace the drive belt s and ensure that the tension and alignment are correct m Replace the access panels See figures 15 and 16 Indoor air discharge 40PZ The 40PZ units leave the factory with the air discharge set to horizontal as indicated in the dimensional figures It can be changed to vertical discharge by following the steps below Change from horizontal to vertical discharge without changin...

Страница 17: ...pulley Fig 16 Repositioning unit air discharge 50VZ PZ 015 045 055 065 075 40PZ 015 045 055 065 075 Legend Side access panel Rear discharge panel Top panel Angle iron attached to the base U bracket Blanking plate Fan supply air ducts Drive belt s Fan pulley Strengthening support Front view Front view Rear view Side view vertical discharge Side view horizontal discharge Rear view Side view vertical...

Страница 18: ...ssion Indoor fan Outdoor fan Curve Pulley open Standard Superior Standard Superior r s r s r s r s 0 Closed 19 6 23 08 1 1 18 75 22 18 2 2 18 33 21 28 3 3 17 67 20 38 4 4 17 19 5 5 5 16 33 18 6 Factory 3 5 17 33 15 25 Available static pressure Pa Available static pressure Pa Available static pressure Pa Air flow l s Power input kW Air flow l s Power input kW Air flow l s Power input kW ...

Страница 19: ... 16 66 18 46 2 2 17 58 19 16 15 92 17 6 3 3 16 83 18 5 15 16 16 73 4 4 16 08 17 83 14 42 15 86 5 5 15 33 17 16 13 66 15 Factory 3 5 2 16 45 15 92 The first value is for the indoor unit pulley the second value is for the outdoor unit pulley Available static pressure Pa 50VZ PZ 025 outdoor fan 38PV PZ 025 optional larger transmission Air flow l s Power input kW Available static pressure Pa Air flow ...

Страница 20: ... 20 76 17 36 19 58 2 2 17 66 19 76 16 53 18 66 3 3 16 92 18 76 15 7 17 75 4 4 15 83 17 76 14 86 16 83 5 5 14 92 16 76 14 03 15 92 Factory 2 5 2 17 29 16 53 The first value is for the indoor unit pulley the second value is for the outdoor unit pulley 50VZ PZ 030 031 outdoor fan 38PV PZ 030 031 optional larger transmission Available static pressure Pa Air flow l s Power input kW Available static pre...

Страница 21: ...42 14 5 16 33 2 2 20 25 22 5 14 15 66 3 3 19 42 21 58 13 5 15 4 4 18 5 20 66 13 14 33 5 5 17 58 19 75 12 5 13 66 Factory 2 5 2 5 19 84 13 75 The first value is for the indoor unit pulley the second value is for the outdoor unit pulley 50VZ PZ 040 outdoor fan 38PV PZ 040 optional larger transmission Available static pressure Pa Air flow l s Power input kW Available static pressure Pa Air flow l s P...

Страница 22: ... 11 75 12 33 2 2 17 92 19 83 11 25 11 83 3 3 17 16 19 08 10 75 11 33 4 4 16 42 18 33 10 25 10 83 5 5 15 66 17 58 9 75 10 33 Factory 3 3 17 16 10 75 The first value is for the indoor unit pulley the second value is for the outdoor unit pulley 50VZ PZ 045 outdoor fan 38PV PZ 045 optional larger transmission Available static pressure Pa Air flow l s Power input kW Available static pressure Pa Air flo...

Страница 23: ... 42 22 12 5 14 5 2 2 19 66 21 16 12 14 3 3 18 92 20 42 11 5 13 5 4 4 18 16 19 58 11 13 5 5 17 42 18 83 10 5 12 5 Factory 4 2 18 16 12 The first value is for the indoor unit pulley the second value is for the outdoor unit pulley 50VZ PZ 055 outdoor fan 38PV PZ 055 optional larger transmission Available static pressure Pa Air flow l s Power input kW Available static pressure Pa Air flow l s Power in...

Страница 24: ... 12 25 13 83 2 2 19 83 21 13 11 75 13 33 3 3 19 20 36 11 25 12 73 4 4 18 16 19 6 10 83 12 33 5 5 17 33 18 83 10 42 11 83 Factory 3 5 2 18 58 11 75 The first value is for the indoor unit pulley the second value is for the outdoor unit pulley 50VZ PZ 065 outdoor fan 38PV PZ 065 optional larger transmission Available static pressure Pa Air flow l s Power input kW Available static pressure Pa Air flow...

Страница 25: ...75 13 83 14 5 2 2 21 13 21 92 13 33 14 3 3 20 36 21 08 12 83 13 5 4 4 19 6 20 25 12 33 13 5 5 18 83 19 42 11 83 12 5 Factory 3 2 5 20 36 13 08 The first value is for the indoor unit pulley the second value is for the outdoor unit pulley 50VZ PZ 075 outdoor fan 38PV PZ 075 optional larger transmission Available static pressure Pa Air flow l s Power input kW Available static pressure Pa Air flow l s...

Страница 26: ...ained or qualified personnel should access areas protected by access panels This unit should not be installed in an explosive atmosphere The unit can operate in normal radioelectric atmospheres in residential commercial and light industrial installations For other applications please consult Carrier INSTALLATION 1 Inspect shipment Inspect the unit If it is damaged or if the shipment is incomplete ...

Страница 27: ...near the unit outlet should be avoided as much as possible If unavoidable they should be as slight as possible and internal deflectors should be used when the duct has large dimensions NOTE All duct sizing and design work should be carried out by qualified technicians Condensate drainage 50VZ PZ and 38VZ PZ units The indoor unit evacuates condensate water via the condensate pan of the outdoor heat...

Страница 28: ...argest deviation from average voltage Average voltage Fig 21 Horizontal drain 40PZ Field supplied Drain pipe OD 25 mm Drain pan Unit base Example Nominal supply 400 3 50 AB 404 V BC 399 V AC 394 V Average voltage 404 399 394 399 400 V 3 Determine maximum deviation from average voltage AB 404 400 4 BC 400 399 1 AC 400 394 6 Largest deviation is 6 volts Percentage voltage imbalance is therefore 6 x ...

Страница 29: ...uits Select the diameter of the copper tubing according the the units installed and according to the distance between the indoor and outdoor units Use silver alloy rod for soldering purposes and ensure that this work is done in a nitrogen atmosphere To avoid oxidation insulate the refrigerant lines adequately Pull a vacuum in the refrigerant circuit until a pressure of 6 9 Pa is maintained for at ...

Страница 30: ...ing the corresponding drawing see Figs 24 and 25 Fig 24 Suction line Fig 25 Discharge line Legend 38VZ PZ 015 40PZ 015 38VZ PZ 031 40PZ 031 38VZ PZ 040 40PZ 040 38VZ PZ 025 40PZ 025 38VZ PZ 045 40PZ 045 38VZ PZ 030 40PZ 030 38VZ PZ 055 40PZ 055 38VZ PZ 065 40PZ 065 38VZ PZ 075 40PZ 075 Legend 38VZ PZ 015 40PZ 015 38VZ PZ 031 40PZ 031 38VZ PZ 040 40PZ 040 38VZ PZ 025 40PZ 025 38VZ PZ 045 40PZ 045 3...

Страница 31: ... must be charged WARNING If any brazing is to be done the refrigerant circuit must be filled with nitrogen Combustion of refrigerant produces toxic phosgene gas VERY IMPORTANT Never use the compressor as a vacuum pump If more refrigerant is needed add gas very slowly via the suction line Liquid refrigerant must never be introduced into the suction line Do not overcharge with refrigerant START UP A...

Страница 32: ...the compressor Unbraze or unscrew the suction and discharge lines taking care not to damage the rest of the components Remove the fastenings from the compressor Replace the compressor ensuring that it contains sufficient oil Braze or screw in the lines Connect the compressor according to the wiring diagram Evacuate the compressor Fill in the refrigerant charge indicated on the nameplate plus the r...

Страница 33: ...r connections of the manifolds Table 11 Model Unit 015 025 030 031 040 045 055 065 075 6 kW Cooling only x Heat pump x 12 kW Cooling only x x x Heat pump x x x x x 15 kW Cooling only x x Heat pump x x x x 18 kW Cooling only Heat pump x x x x 18 9 9 kW Cooling only x x Heat pump 24 12 12 kW Cooling only x x x x Heat pump 2 stage heating Fig 26 Electric resistance heaters This option accessory consi...

Страница 34: ...ormance from the unit special attention should be paid to the following points Electrical connections The supply voltage should be 10 of the nominal voltage limits Ensure that no faulty contacts exist in the terminal blocks contactor boards etc Make sure that all the electrical connections are properly tightened and that all the electrical components contactors relays etc are firmly secured to the...

Страница 35: ...n create a light vacuum to prevent possible accidents From the indoor unit at the conduit drill hole remove the neoprene insulation from the suction line s until you find the welded joint of both line sections approximately 70 mm from the base of the indoor unit Similarly locate the welded joint of the liquid line sections Separate both lines suction and liquid lines by unsoldering them After comp...

Страница 36: ...s frequently Defective compressor contactor Replace contactor Defective compressor Replace compressor Refrigerant losses Reclaim the charge pull a vacuum recharge the system with the quantity indicated on the name plate Unit continuously cuts out at Defective low pressurestat Replace pressurestat low pressure Refrigerant losses Check and add the necessary quantity Indoor fan does not operate Check...

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