Carrier 50HS024-060 Скачать руководство пользователя

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Table 1A — Physical Data — SI

UNIT 50HS

024

030

036

048

060

REFRIGERANT*

R-22

Refrigerant Control

Acutrol™ System

OPERATING WEIGHT (Kg)

128

136

147

165

168

COMPRESSOR

Type

Reciprocating

Scroll

INDOOR BLOWER

Centrifugal — Direct Drive

Speeds

R/s (High/Low Speed)

15.4/13.3

15.8/15.4

Diameter (mm)

254

Width (mm)

229

Nominal Airflow (L/s)

378

472

566

755

941

Motor (Watts)

373

559

INDOOR COIL

Rows...Fins/mm

3...0.59

4...0.59

Face Area (sq m)

0.21

0.28

0.33

0.41

OUTDOOR FAN

Propeller — Direct Drive

L/s

802

896

1133

R/s

16.7

18.3

17.9

Diameter (mm)

457

508

Motor (Watts)

186

248

OUTDOOR COIL

Rows...Fins/mm

1.6...0.67

2...0.67

Face Area (sq m)

0.54

0.64

0.78

FILTER SIZE (mm)†

Throwaway

508x508

508x610

610x610

610x762

*Operating charge listed on unit nameplate.

†Recommended field-supplied filters are 25-mm thick.

Table 1B — Physical Data — English

UNIT 50HS

024

030

036

048

060

REFRIGERANT*

R-22

Refrigerant Control

Acutrol System

OPERATING WEIGHT (lb)

281

300

324

363

370

COMPRESSOR

Type

Reciprocating

Scroll

INDOOR BLOWER

Centrifugal — Direct Drive

Speeds

Rpm (High/Low Speed)

925/800

950/925

Diameter (in.)

Width (in.)

Nominal Airflow (Cfm)

800

1000

1200

1600

1995

Motor Hp

⁄

INDOOR COIL

Rows...Fins/in.

3...15

4...15

Face Area (sq ft)

2.29

3.06

3.50

4.44

OUTDOOR FAN

Propeller — Direct Drive

Cfm

1700

1900

2400

Rpm

1000

1100

1075

Diameter (in.)

Motor Hp

⁄

OUTDOOR COIL

Rows...Fins/in.

1.6...17

2...17

Face Area (sq ft)

5.80

6.86

8.44

FILTER SIZE (in.)†

Throwaway

20x20

20x24

24x24

24x30

*Operating charge listed on unit nameplate.

†Recommended field-supplied filters are 1-in. thick.

Содержание 50HS024-060

Страница 1: ... servicing of air conditioning equipment can be hazardous due to system pressure and electrical com ponents Only trained and qualified personnel should install repair or service air conditioning equipment Untrained personnel can perform basic maintenance functions of cleaning coils and filters All other operations should be performed by trained service personnel When work ing on air conditioning e...

Страница 2: ...asketing also can result in air leaks and poor unit performance Curb should be level to within 6 mm 1 4 in This is nec essary for unit drain to function properly Refer to accessory roof curb installation instructions for additional information as required SLAB MOUNT Place the unit on a solid level concrete pad that is a minimum of 102 mm 4 in thick with 51 mm 2 in above grade The slab should exten...

Страница 3: ...04 11 9 50HS030 553 20 8 518 20 4 304 11 9 50HS036 552 21 7 531 20 9 344 13 5 REQ D CLEARANCES FOR SERVICING mm in Indoor Coil Access Side 762 30 Control Box Access Side 762 30 Unit Top 914 36 Side Opposite Ducts 762 30 REQ D CLEARANCES TO COMBUSTIBLE MAT L mm in Unit Top 0 Duct Side of Unit 0 Side Opposite Ducts 0 Bottom of Unit 0 Vertical Discharge First 305 mm 12 in of Supply Duct 25 1 LEGEND C...

Страница 4: ...Side Opposite Ducts 762 30 REQ D CLEARANCES TO COMBUSTIBLE MAT L mm in Unit Top 0 Duct Side of Unit 0 Side Opposite Ducts 0 Bottom of Unit 0 Vertical Discharge First 305 mm 12 in of Supply Duct 25 1 UNIT CENTER OF GRAVITY mm in X Y Z 50HS048 543 21 4 540 21 3 440 17 3 50HS060 493 19 4 539 21 2 440 17 3 LEGEND CG Center of Gravity MAT L Material REQ D Required NOTES 1 Clearances must be maintained ...

Страница 5: ...lied as required for unit being installed 3 Dimensions in are in millimeters unless otherwise noted 4 Roof curb is made of 1 5 mm 16 gage steel 5 Attach ductwork to curb flanges of duct rest on curb 6 Service clearance 1219 mm 4 ft on each side 7 Direction of airflow 8 Insulated panels 25 mm 1 in thick fiberglass 45 kg 1 lb density Fig 4 Roof Curb Dimensions 5 ...

Страница 6: ...n connecting ductwork to units do not drill deeper than 13 mm 1 2 in in shaded area shown in Fig 7 or coil may be damaged All units should have field supplied filters or accessory fil ter rack installed in the return air side of the unit Rec ommended sizes for filters are shown in Tables 1A and 1B Avoid abrupt duct size increases and reductions Abrupt change in duct size adversely affects airflow ...

Страница 7: ...8 508x610 610x610 610x762 610x762 Operating charge listed on unit nameplate Recommended field supplied filters are 25 mm thick Table 1B Physical Data English UNIT 50HS 024 030 036 048 060 REFRIGERANT R 22 Refrigerant Control Acutrol System OPERATING WEIGHT lb 281 300 324 363 370 COMPRESSOR Type Reciprocating Reciprocating Reciprocating Scroll Scroll INDOOR BLOWER Centrifugal Direct Drive Speeds 2 ...

Страница 8: ...ed Table 2A Minimum Airflow for Uninterrupted Electric Heater Operation SI MINIMUM AIRFLOW L s Unit Size 024 030 036 048 060 330 413 567 661 826 Table 2B Minimum Airflow for Uninterrupted Electric Heater Operation English MINIMUM AIRFLOW Cfm Unit Size 024 030 036 048 060 700 875 1200 1400 1750 All panels must be in place when rigging NOTICE TO RIGGERS Hook rigging shackles through holes in lifting...

Страница 9: ... unit contactor Carefully disengage wire tie containing indoor fan motor leads from the unit control box Fig 13 7 Remove screws Fig 14 securing indoor blower hous ing to blower shelf and carefully slide out blower hous ing On unit sizes 024 036 there is a filler bracket at tached to the blower shelf remove this filler bracket and retain for later use 8 Locate lances in basepan insulation that is p...

Страница 10: ...he blower Continue sliding blower in until hole in side plate flange aligns with the hole in the basepan Secure using screws removed in Step 7 Reconnect indoor fan motor leads and insert wire tie back into unit control box Fig 13 13 Cover the horizontal duct openings Duct covers can be ordered as an accessory or be field fabricated as shown in Fig 17 14 Reinstall the indoor coil and indoor blower ...

Страница 11: ...aining holes with the no 26 147 in drill Do not drill deeper than 13 mm 1 2 in into shaded area shown in Fig 18 Damage to refrigerant coil could result 5 Fully secure the duct flanges using the remaining screws provided The finished kit installation accommodates a 375 mm x 375 mm 143 4 in x 143 4 in duct NOTES 1 An accessory duct cover is available as an alternative to field fabrication 2 Construc...

Страница 12: ...it rating plate Ensure that phases are balanced within 2 Consult local power company for correction of improper volt age and or phase imbalance 4 Insulate low voltage wires for highest voltage con tained within conduit when low voltage control wires are run in same conduit as high voltage wires 5 Do not damage internal components when drilling through any panel to mount electrical hardware con dui...

Страница 13: ...lance in supply voltage is greater than 2 Use the following formula to determine the per cent of voltage imbalance Voltage Imbalance max voltage deviation from average voltage 100 x average voltage Example Supply voltage is 400 3 50 AB 393 v BC 403 v AC 396 v 393 403 396 Average Voltage 3 1192 3 397 Determine maximum deviation from average voltage AB 397 393 4 v BC 403 397 6 v AC 397 396 1 v Maxim...

Страница 14: ...onent System contains oil and refrigerant under pressure To re move a component wear protective goggles and pro ceed as follows a Shut off electrical power to unit b Relieve all pressure from system using both high and low pressure ports Use accepted methods to recover refrigerant c Cut component connecting tubing with tubing cut ter and remove component from unit d Carefully unsweat remaining tub...

Страница 15: ...or blower motors start Observe that cooling cycle shuts down when control setting is satisfied 3 Place system switch in HEAT position Set control above room temperature Observe that heating cycle shuts down when control setting is satisfied 4 When using an automatic changeover room thermostat place both SYSTEM and FAN switches in AUTO posi tion Observe that unit operates in cooling mode when tempe...

Страница 16: ...ging Chart 50HS024 Fig 25 Cooling Charging Chart 50HS030 Fig 26 Cooling Charging Chart 50HS036 Fig 27 Cooling Charging Chart 50HS048 LEGEND Fig 24 28 Outdoor Air Temperature Pressure Compressor Suction Line Temperature 16 ...

Страница 17: ...OOR FAN With the thermostat fan switch in the ON position 24 v is supplied to the indoor fan contactor IFC through G on the thermostat This voltage energizes the coil of the relay closes the normally open set of contacts and provides continuous power to the indoor fan motor IFM If the switch is moved to the AUTO position the fan will cycle with the compressor COOLING When power is supplied to the ...

Страница 18: ...le that are beyond the blower motor capacity or are not recom mended Table 7 Dry Coil Air Delivery Horizontal and Vertical Discharge English UNIT 50HS MOTOR SPEED 400 VOLT External Static Pressure in wg 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 024 Low Watts 522 492 467 429 408 373 320 316 270 Cfm 1538 1463 1390 1269 1206 1052 971 856 626 High Watts 591 562 530 492 474 427 392 349 Cfm 1583 1487 ...

Страница 19: ... 9B Accessory Electric Heater Pressure Drop in wg English HEATER kW CFM 600 800 1000 1200 1400 1600 1800 2000 2200 6 9 12 1 0 030 0 033 0 037 0 042 0 047 0 052 0 060 0 067 0 075 NOTE Direct interpolation is permissible Do not extrapolate Table 10A Filter Pressure Drop Pa SI UNIT 50HS FILTER SIZE mm L s 236 283 330 378 425 472 519 569 614 661 707 755 802 850 896 944 991 1038 1085 024 508 x 508 12 4...

Страница 20: ...hat require top removal including coil and condensate drain pan inspection and cleaning Only qualified service personnel should perform mainte nance and service procedures that require unit top removal To remove unit top 1 Remove 7 screws on unit top cover surface Save all screws 2 Remove 4 screws on unit top cover flange Save all screws 3 Lift top from unit carefully Set top on edge and make sure...

Страница 21: ... shaft 4 When replacing fan blade position blade so that leading edge is 51 mm 2 in back from outdoor inlet grille or 13 mm 1 2 in maximum from fan deck See Fig 29 5 Ensure that setscrew engages the flat area on the motor shaft when tightening Electrical Controls and Wiring Inspect and check the electrical controls and wiring annually Be sure to turn off the electrical power to the unit Remove the...

Страница 22: ...ercharge Recover refrigerant evacuate system and recharge to capacities shown on nameplate Defective compressor Replace and determine cause Insufficient line voltage Determine cause and correct Blocked outdoor coil Determine cause and correct Defective overload Determine cause and replace Defective thermostat Replace thermostat Faulty outdoor fan motor or capacitor Replace Damaged reversing valve ...

Страница 23: ...lter Replace filter Heat Outdoor coil frosted Move timer on control board to 30 minutes between defrost cycles Low refrigerant charge Check for leaks repair and recharge Metering device or low side restricted Remove source of restriction Cool Insufficient coil airflow Increase air quantity Check filter replace if necessary Cool Temperature too low in conditioned area Reset thermostat Cool Outdoor ...

Страница 24: ......

Страница 25: ......

Страница 26: ...ufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 Tab 5a 5a Catalog No 015 034 Printed in U S A Form 50HS C5SI Pg 26 5 98 Replaces 50HS C3SI ...

Страница 27: ......

Страница 28: ...IN HOUSING ORIFICE AND SETSCREW TIGHTNESS III START UP ELECTRICAL SUPPLY VOLTAGE L1 L2 L2 L3 L3 L1 INDOOR FAN AMPS COMPRESSOR AMPS L1 L2 L3 TEMPERATURES OUTDOOR AIR TEMPERATURE DB RETURN AIR TEMPERATURE DB WB HEAT PUMP SUPPLY AIR ELECTRIC HEATER SUPPLY AIR PRESSURES REFRIGERANT SUCTION Pa PSIG REFRIGERANT DISCHARGE Pa PSIG M VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS ON PAGES 16 AND 17 M VERI...

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