background image

Table 8 — Fan Performance (Forward Curved) — 48/50MP62L*

AIRFLOW

(Cfm)

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

0.50

0.75

1.00

1.25

1.50

1.75

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

16,000

346

3.4

382

4.1

415

5.0

448

6.0

478

7.2

508

8.6

18,000

371

4.7

404

5.5

436

6.4

466

7.4

494

8.6

522

10.0

20,000

398

6.3

428

7.2

458

8.2

486

9.3

513

10.5

539

11.9

22,000

426

8.4

454

9.4

481

10.5

508

11.6

533

12.9

558

14.3

24,000

455

11.0

481

12.1

506

13.3

531

14.5

555

15.8

578

17.3

26,000

484

14.2

508

15.4

532

16.6

555

18.0

578

19.4

600

20.9

28,000

514

18.0

537

19.3

559

20.7

581

22.1

602

23.6

623

25.2

30,000

544

22.5

566

23.9

587

25.4

608

26.9

628

28.5

648

30.2

32,000

575

27.9

595

29.4

615

30.9

635

32.6

654

34.3

673

36.1

AIRFLOW

(Cfm)

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

2.00

2.25

2.50

2.75

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

16,000

536

10.1

563

11.9

590

13.9

615

16.0

18,000

549

11.5

575

13.2

600

15.1

624

17.1

20,000

564

13.4

589

15.1

613

16.9

636

18.9

22,000

582

15.8

605

17.5

628

19.3

650

21.3

24,000

601

18.9

623

20.6

645

22.4

666

24.3

26,000

622

22.5

643

24.3

664

26.1

684

28.1

28,000

644

26.9

664

28.7

684

30.6

703

32.6

30,000

667

32.0

686

33.9

705

35.8

724

37.9

32,000

692

38.0

710

39.9

728

42.0

746

44.1

LEGEND

Bhp — Brake Horsepower

*Refer to Fan Performance, 48MP Units section, for correct procedure on 48MP units.

NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
2. Conversion — Bhp to kW:

Bhp × .746

kW =

Motor efficiency

See Table 1 for motor efficiency.

Table 9 — Fan Performance (Forward Curved) — 48/50MP70M*

AIRFLOW

(Cfm)

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

0.50

0.75

1.00

1.25

1.50

1.75

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

18,000

365

6.4

398

7.4

432

8.5

465

9.8

499

11.1

532

12.6

20,000

391

8.2

421

9.3

451

10.4

482

11.7

512

13.1

542

14.5

22,000

418

10.4

446

11.5

473

12.7

501

14.0

528

15.4

556

16.9

24,000

447

12.9

472

14.1

497

15.4

523

16.8

548

18.2

573

19.7

26,000

476

15.9

499

17.2

523

18.6

546

20.0

569

21.5

592

23.0

28,000

506

19.4

527

20.8

549

22.2

571

23.6

592

25.2

614

26.8

30,000

536

23.4

556

24.8

576

26.3

596

27.8

617

29.4

637

31.0

32,000

566

27.9

585

29.4

604

30.9

623

32.5

642

34.2

661

35.9

34,000

597

32.9

615

34.5

633

36.1

651

37.8

668

39.5

686

41.3

36,000

628

38.6

645

40.2

662

41.9

679

43.7

695

45.4

712

47.3

AIRFLOW

(Cfm)

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

2.00

2.25

2.50

2.75

300

325

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

18,000

565

14.2

598

16.0

631

17.8

664

19.9

696

22.1

729

24.4

20,000

572

16.1

602

17.8

631

19.6

661

21.5

691

23.6

720

25.8

22,000

583

18.5

610

20.2

638

21.9

665

23.8

692

25.8

719

27.9

24,000

598

21.3

623

23.0

648

24.7

673

26.6

698

28.5

723

30.6

26,000

616

24.6

639

26.3

662

28.1

685

29.9

708

31.9

731

33.9

28,000

635

28.4

657

30.1

679

31.9

700

33.8

722

35.7

743

37.7

30,000

657

32.7

677

34.5

697

36.3

717

38.2

737

40.2

758

42.2

32,000

680

37.6

699

39.4

718

41.3

737

43.2

756

45.2

774

47.2

34,000

704

43.1

722

44.9

740

46.8

757

48.8

775

50.8

793

52.9

36,000

729

49.1

746

51.0

763

53.0

780

55.0

796

57.1

813

59.2

LEGEND

Bhp — Brake Horsepower

*Refer to Fan Performance, 48MP Units section, for correct procedure on 48MP units.

NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
2. Conversion — Bhp to kW:

Bhp × .746

kW =

Motor efficiency

See Table 1 for motor efficiency.

30

Summary of Contents for 48MPD

Page 1: ...NCTIONS QUICK TEST FUNCTION Page Gas Pressure Check 38 Check Supply Fan Rotation 38 START UP 38 42 Initial Check 38 General 39 Operating Sequences 39 SUPPLY FAN ECONOMIZER COOLING All Units OCCUPIED C...

Page 2: ...into STANDYBY mode such as when servic ing a unit it must be done with the HSIO SAFETY CONSIDERATIONS Installation and servicing of air conditioning equipment can be hazardous due to system pressure a...

Page 3: ...insert duct approxi mately 10 to 11 in up into roof curb Connect ductwork to 14 gage roof curb material with sheet metal screws driven from inside of the duct Secure all ducts to the building structur...

Page 4: ...1337 1337 1442 966 1050 Belts Quantity Model No 3 B111 3 B120 3 B120 3 5VX1120 3 5VX1060 3 5VX1060 Center Distance Range in 39 7 43 7 40 4 45 2 40 4 45 2 40 4 45 2 35 4 39 4 35 4 39 4 Maximum Rpm 159...

Page 5: ...h Diameter in 7 5 8 7 8 1 8 7 Fan Rpm 1050 1111 1035 1111 Belts Quantity Model No 3 5VX1030 3 5VX1060 3 5VX1060 3 5VX1060 Center Distance Range in 35 4 39 4 34 4 39 1 35 4 39 4 34 4 39 1 Maximum Rpm 1...

Page 6: ...NIT 48 50MP 90P 10R Type 100 Mod 100 Non Mod 100 Mod 100 Non Mod Motor Hp 50 50 60 60 Motor Frame Size 326T 326T 364T 364T Efficiency at Full Load Standard Efficiency 93 0 93 0 94 5 94 5 High Efficien...

Page 7: ...r section roof curb and unit must be level within tolerances shown NOTES 1 To prevent the hazard of stagnant water build up in the drain pan on the indoor section unit cannot exceed leveling tolerance...

Page 8: ...oor section roof curb and unit must be level within tolerances shown NOTES 1 To prevent the hazard of stagnant water build up in the drain pan on the indoor section unit cannot exceed leveling toleran...

Page 9: ...st fan or high heat options 3 High heat add 260 lb 118 kg Exhaust fan add 1675 lb 761 kg on 62L 1775 lb 807 kg on 70M 4 Unit clearances Top Do not restrict condenser fans control box end 68 09 Sides 6...

Page 10: ...tions Unit weight does not include exhaust fan or high heat options 3 High heat add 260 lb 118 kg Exhaust fan add 2275 lb 1034 kg on 82N 2400 lb 1090 kg on 90P and 10R 4 Unit clearances Top Do not res...

Page 11: ...nits with or without exhaust fan option 3 Unit weight does not include exhaust fan option Exhaust fan add 1675 lb 761 kg on 62L 1775 lb 807 kg on 70M 4 Unit clearances Top Do not restrict condenser fa...

Page 12: ...llimeters 2 Center of gravity Use appropriate column for units with or without ex haust fan option 3 Unit weight does not include exhaust fan option Exhaust fan add 2275 lb 1034 kg on 82N 2300 lb 1090...

Page 13: ...hen rigging with eight or ten cables and spread with four or five 95 in 2413 mm and two B C D long suitable spreader bars Unit weight does not include exhaust fan option 1 All panels must be in place...

Page 14: ...protection against such interference when operated in a commer cial environment POWER WIRING Units are factory wired for 460 v as shown on the unit nameplate The main terminal block is suitable for us...

Page 15: ...tage imbalance Voltage Imbalance max voltage deviation from average voltage 100 x average voltage EXAMPLE Supply voltage is 460 3 60 AB 452 v BC 464 v AC 455 v 452 464 455 Average Voltage 3 1371 3 457...

Page 16: ...350 52 40 314 9 350 82N 460 414 508 43 6 223 34 6 173 43 6 223 43 6 223 6 3 3 1 52 40 250 2 300 11 7 5 261 2 300 52 40 302 2 350 65 50 266 5 300 11 7 5 277 5 300 52 40 318 5 350 77 60 281 5 350 11 7...

Page 17: ...The RJ11 connector is used to tap into the CCN at the sensor See RJ11 Plug Wiring section on page 24 to connect the RJ11 con nector to the CCN Jumper MUST be in place between pins E2 and E3 or inaccur...

Page 18: ...LEGEND COM Common SW Switch T Terminal TB Terminal Block TH Thermostat Heating Accessory Field Wiring Constant volume applications only Fig 13 Space Temperature Sensor Wiring 18...

Page 19: ...APPLICATION 1 2 RED BLK TB3 TO PROCESSOR MODULE NO 1 RED BLK RED BLK RED BLK SENSOR 1 SENSOR 2 SENSOR 3 RED BLK SENSOR 6 SENSOR 5 RED BLK SENSOR 4 RED BLK RED BLK RED BLK SENSOR 8 SENSOR 7 SENSOR 9 S...

Page 20: ...AIR RELATIVE HUMIDITY SPACE RETURN RELATIVE HUMIDITY 2 1 2 1 1 2 1 2 J2 J1 J2 J1 24V FIELD SUPPLIED 24 V ISOLATED POWER SUPPLY 24V FIELD SUPPLIED 24 V ISOLATED POWER SUPPLY LEGEND TB Terminal Block F...

Page 21: ...IFIER ACTUATOR HUMIDIFIER RELAY LEGEND TB Terminal Block Field Wiring Component Terminal Fig 23 Humidifier 37 38 HYD VLV HYDRONIC VALVE ACTUATOR PSIO NO 2 J6 LEGEND TB Terminal Block Field Wiring Comp...

Page 22: ...WATT 5 10K OHM 1 2 WATT 5 16 17 PSIO NO 1 TRANSDUCER ACCESSORY J7 SUCTION GAS TEMPERATURE THERMISTOR SUCTION GAS TEMPERATURE THERMISTOR 1 2 6 7 2 3 5 6 J7 PSIO NO 2 CHANNEL 31 CHANNEL 32 LEGEND DPT D...

Page 23: ...on vinyl Teflon or poly ethylene An aluminum polyester 100 foil shield and an outer jacket of PVC PVC nylon chrome vinyl or Teflon with a minimum operating temperature range of 220 C to 60 C is requir...

Page 24: ...d To wire the RJ11 connector into the CCN Fig 30 IMPORTANT The cable selected for the RJ11 con nector wiring MUST be identical to the CCN com munication bus wire used for the entire network Re fer to...

Page 25: ...LDING PRESSURE TRANSDUCER HIDDEN Fig 32 Auxiliary Control Box FACTORY INSTALLED TUBING DPC BPC LO HI LO HI TO BUILDING PRESSURE TO SUPPLY DUCT FIELD INSTALLED TUBING TO OUTDOOR REFERENCE PRESSURE PORT...

Page 26: ...hipping block offs and shipping tape from the flue openings in the access panel and the corner post The inlet hood is shipped unassembled and must be as sembled before mounting to the access panel See...

Page 27: ...by 4 rail bolts during shipment After unit is installed loosen each of these bolts until the snubber washer can be moved with finger pressure See Fig 40 and 41 UNITS 48 50MP70M 10R Compressors are mou...

Page 28: ...See Fig 44 An acceptable oil level in the compressor is from 3 8 to 1 8 of sight glass 06E 299 compressors are 1 8 of sight glass Adjust the oil level as required No oil should be removed unless the...

Page 29: ...f different wheel speeds are required for an application Carrier recommends that the installer contact the nearest Brown ing dealer The Browning dealer can develop the required information for the fan...

Page 30: ...AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 50 0 75 1 00 1 25 1 50 1 75 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 18 000 365 6 4 398 7 4 432 8 5 465 9 8 499 11 1 532 12 6 20 000 391 8 2 421 9 3...

Page 31: ...AL STATIC PRESSURE in wg 0 50 0 75 1 00 1 25 1 50 1 75 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 22 000 297 6 9 329 7 9 360 8 9 375 9 8 402 11 4 430 13 0 24 000 313 8 5 343 9 6 371 10 7 395 11 7...

Page 32: ...fficiency See Table 1 for motor efficiency Table 13 Fan Performance Air Foil 48 50MP62L AIRFLOW Cfm AVAILABLE EXTERNAL STATIC PRESSURE in wg 0 25 0 50 0 75 1 00 1 25 1 50 1 75 2 00 2 25 2 50 Rpm Bhp R...

Page 33: ...Units section for correct procedure on 48MP units NOTES 1 Fan performance is based on wet coils and clean 2 in filters 2 Conversion Bhp to kW Bhp 746 kW Motor efficiency See Table 1 for motor efficie...

Page 34: ...Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 26 000 525 6 55 555 7 69 585 8 88 613 10 1 641 11 3 667 12 6 692 13 9 715 15 3 739 16 7 765 18 2 28 000 554 7 69 582 8...

Page 35: ...control box The switch senses the differential pressure and provides the micro processor module with a signal for filter status Two lengths of plenum tubing connect the switch to probes located both...

Page 36: ...k test feature IMPORTANT If remote start function is used place LOCAL REMOTE switch in Local OFF position when ever unit is placed in STBY YES SET UNIT TYPE The correct unit type must be set The defau...

Page 37: ...y time If changing default values via the CCN the 48 50MP unit must first be in run mode STBY NO NOTE After changing any of the values in the configuration group enable the Data Reset function QUICK T...

Page 38: ...late for correct rise range limits Air quan tities may need to be adjusted to bring the actual rise within allowable limits IMPORTANT After the Quick Test has been perfor mend for stage 2 remove the j...

Page 39: ...if the system is not in Heating mode if outdoor air enthalpy via switch or humid ity differential is acceptable and if outside air temperature is less than space temperature If economizer operation i...

Page 40: ...heduled unoccupied time during which expanded heating and cooling set points can be used Adaptive optimal stop utilizes space temperature an expanded occupied set point and a K factor to calcu late st...

Page 41: ...ing Verify that the actuator responds cor rectly If the actuator drives in the wrong direction go to the submaster gain SMG for the control loop and reverse the sign of the gain For example If the sub...

Page 42: ...ues Leave completed checklist with unit for future reference NOTE If the REMOTE START function is used in this ap plication set the LOCAL REMOTE switch to REMOTE On at the end of start up CONTROL SYST...

Page 43: ...nging values via Service Tool or CCN Build ing Supervisor the unit must be in RUN mode STBY NO which is done through HSIO input or a Remote Start input After changing the values in subfunction the Dat...

Page 44: ...ints Period 4 Unit Units of Measure Configure Holiday Test Heat 6 System Temperatures Period 5 Unit User Configuration Exit Test 7 System Pressures Period 6 Unit Heating Coil 8 Inputs Period 7 Unit Co...

Page 45: ...closed with 3 latches The latches are secured to the unit with a single 1 4 in 220 x 1 2 in long bolt See Fig 50 To open loosen the latch bolt using a 7 16 in wrench Pivot the latch so it is not in c...

Page 46: ...ion On 48MP62L and 70M units additional access to the gas components is through the access panels in the unit corner post at the gas section See Fig 51 UNITCONTROLBOX Access to this component is throu...

Page 47: ...pressor Oil section on page 29 and Table 3 FAN SHAFT BEARINGS Lubricate fan shaft bearings at least once a year with suitable bearing grease Extended grease lines are provided on pulley side of blower...

Page 48: ...Fig 55 Charging Chart Unit 48 50MP62L Fig 56 Charging Chart Unit 48 50MP70M Fig 57 Chrging Chart Unit 48 50MP82N 48...

Page 49: ...es be tween compressors distribute the oil to each compressor REMOVE OIL Pump down compressor to 2 psig 14 kPag Loosen the 1 4 in 6 4 mm pipe plug at the com pressor base and allow the oil to seep out...

Page 50: ...mately 27 psig 186 kPag Slowly open the valve The compressor restarts under Time Guard control when the pressure builds to approximately 67 psig 462 kPag Pressure Relief High side pressure relief is p...

Page 51: ...GLASS LOW PRESSURE SWITCH OIL EQUALIZER LINE CRANKCASE HEATER RAIL SIGHT GLASS PRESSURE RELIEF VALVE NOTE Units 48 50MP62L compressors are pan mounted Units 48 50MP70M and 82N compressors are mounted...

Page 52: ...ations main burners are factory set and should require no adjustment MAIN BURNER REMOVAL 1 Shut off field supplied manual main gas valve 2 Shut off power to unit 3 Remove gas section access door door...

Page 53: ...ts DISPLAYING FAULT SEQUENCE Whenever the fault relay trips and shuts down the VFD the display code of the fault that caused the trip will be displayed until RESET is pressed The fault code will also...

Page 54: ...ch item is now configured as needed for this particular installation Verify the fac tory default settings for both a specified unit and generic control unit 16 Press to check the remainder of the user...

Page 55: ...outside of unit frame support and or lower to ground c Unbolt compressor from mounting pan and remove 9 Units 48 50MP70M 82N 90P 10R a Remove 4 large screws securing compressor to the com pressor rai...

Page 56: ...terminal COMPRESSOR STOPS ON HIGH PRESSURE SWITCH Outdoor Fan On 1 High pressure switch faulty 1 Replace switch 2 Airflow restricted 2 Remove obstruction 3 Air recirculating 3 Clear airflow area 4 Non...

Page 57: ...2 Replace valve 3 Miswired capacity control liquid line solenoid 3 Rewire correctly COMPRESSOR WILL NOT LOAD 1 Miswired capacity control liquid line solenoid 1 Rewire correctly 2 Defective capacity co...

Page 58: ...Refer to Fig 65 for IGC troubleshooting information Fig 65 IGC Control Heating 48MP Units Only LEGEND IGC Integrated Gas Unit Controller PIC Product Integrated Control 58...

Page 59: ......

Page 60: ...Service Training which includes hands on experience with the products in our labs can mean increased confidence that really pays dividends in faster troubleshooting and fewer callbacks Course descrip...

Page 61: ...IMBALANCE LINE TO LINE VOLTS AB V AC V BC V AB AC BC 3 AVERAGE VOLTAGE V MAXIMUM DEVIATION FROM AVERAGE VOLTAGE V VOLTAGE IMBALANCE 100 X MAX DEVIATION AVERAGE VOLTAGE IF OVER 2 VOLTAGE IMBALANCE DO N...

Page 62: ...L1 COMPRESSOR AMPS L2 COMPRESSOR AMPS L3 ELECTRICAL SUPPLY FAN AMPS EXHAUST FAN AMPS ELECTRIC HEAT AMPS L1 L2 L3 TEMPERATURES OUTDOOR AIR TEMPERATURE F DB Dry Bulb RETURN AIR TEMPERATURE F DB F WB We...

Page 63: ...bleshooting Guide through SETPOINT Set system set points per job requirements OHSP X Set occupied heat set point Range 55 80 F 68 CV only OCSP X Set occupied cool set point Range 55 80 F 78 CV only UH...

Page 64: ...re Economizer SMG x x Submaster Gain ENTER SMG 8 0 Set SMG to 8 0 7 5 NOTES Copyright 1998 Carrier Corporation Manufacturer reserves the right to discontinue or change at any time specifications or de...

Reviews: