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41

Table 32 — Thermistor Temperature (C) vs Resistance/Voltage Drop Values for 

OAT, SAT, and SCT Thermistors (5K at 25 C Resistors)

TEMP

(C)

VOLTAGE

DROP

(V)

RESISTANCE

(Ohms)

–32

3.705

100,260

–31

3.687

94,165

–30

3.668

88,480

–29

3.649

83,170

–28

3.629

78,125

–27

3.608

73,580

–26

3.586

69,250

–25

3.563

65,205

–24

3.539

61,420

–23

3.514

57,875

–22

3.489

54,555

–21

3.462

51,450

–20

3.434

48,536

–19

3.406

45,807

–18

3.376

43,247

–17

3.345

40,845

–16

3.313

38,592

–15

3.281

38,476

–14

3.247

34,489

–13

3.212

32,621

–12

3.177

30,866

–11

3.140

29,216

–10

3.103

27,633

–9

3.065

26,202

–8

3.025

24,827

–7

2.985

23,532

–6

2.945

22,313

–5

2.903

21,163

–4

2.860

20,079

–3

2.817

19,058

–2

2.774

18,094

–1

2.730

17,184

0

2.685

16,325

1

2.639

15,515

2

2.593

14,749

3

2.547

14,026

4

2.500

13,342

5

2.454

12,696

6

2.407

12,085

7

2.360

11,506

8

2.312

10,959

9

2.265

10,441

10

2.217

9,949

11

2.170

9,485

12

2.123

9,044

13

2.076

8,627

14

2.029

8,231

TEMP

(C)

VOLTAGE

DROP

(V)

RESISTANCE

(Ohms)

15

1.982

7,855

16

1.935

7,499

17

1.889

7,161

18

1.844

6,840

19

1.799

6,536

20

1.754

6,246

21

1.710

5,971

22

1.666

5,710

23

1.623

5,461

24

1.580

5,225

25

1.538

5,000

26

1.497

4,786

27

1.457

4,583

28

1.417

4,389

29

1.378

4,204

30

1.340

4,028

31

1.302

3,861

32

1.265

3,701

33

1.229

3,549

34

1.194

3,404

35

1.160

3,266

36

1.126

3,134

37

1.093

3,008

38

1.061

2,888

39

1.030

2,773

40

0.999

2,663

41

0.969

2,559

42

0.940

2,459

43

0.912

2,363

44

0.885

2,272

45

0.858

2,184

46

0.832

2,101

47

0.807

2,021

48

0.782

1,944

49

0.758

1,871

50

0.735

1,801

51

0.713

1,734

52

0.691

1,670

53

0.669

1,609

54

0.649

1,550

55

0.629

1,493

56

0.610

1,439

57

0.591

1,387

58

0.573

1,337

59

0.555

1,290

60

0.538

1,244

61

0.522

1,200

TEMP

(C)

VOLTAGE

DROP

(V)

RESISTANCE

(Ohms)

62

0.506

1,158

63

0.490

1,118

64

0.475

1,079

65

0.461

1,041

66

0.447

1,006

67

0.433

971

68

0.420

938

69

0.407

906

70

0.395

876

71

0.383

836

72

0.371

805

73

0.360

775

74

0.349

747

75

0.339

719

76

0.329

693

77

0.319

669

78

0.309

645

79

0.300

623

80

0.291

602

81

0.283

583

82

0.274

564

83

0.266

547

84

0.258

531

85

0.251

516

86

0.244

502

87

0.237

489

88

0.230

477

89

0.223

466

90

0.217

456

91

0.211

446

92

0.204

436

93

0.199

427

94

0.193

419

95

0.188

410

96

0.182

402

97

0.177

393

98

0.172

385

99

0.168

376

100

0.163

367

101

0.158

357

102

0.154

346

103

0.150

335

104

0.146

324

105

0.142

312

106

0.138

299

107

0.134

285

Содержание 48HG016

Страница 1: ...ONS Installation and servicing of air conditioning equipment can be hazardous due to system pressure and electrical compo nents Only trained and qualified service personnel should install repair or se...

Страница 2: ...with drain wire and is field supplied and installed See Table 6 for wiring infor mation The system elements are connected to the communica tion bus in a daisy chain arrangement The positive pin of eac...

Страница 3: ...3 Fig 1 Low Voltage Control Schematic 48HG Units...

Страница 4: ...4 Fig 2 Low Voltage Control Schematic 50HG Units...

Страница 5: ...5 Fig 3 Typical Power Schematic...

Страница 6: ...m Temp Device with Set Point Adjustment Terminal Block Terminal Unmarked Terminal Marked Splice Factory Wiring Field Wiring To indicate common potential only not to represent wiring To indicate FIOP o...

Страница 7: ...11 12 MBB Saturated Condensing Temperature for Cir B SCT_B Circuit B condenser hairpin SCT_C T5 J8 13 14 MBB Saturated Condensing Temperature for Cir C SCT_C Circuit C condenser hairpin Transducers SS...

Страница 8: ...J8 15 16 MBB TB3 11 12 Part No HK06WC028 Y1 J7 10 MBB TB4 2 Thermostat Y1 1st Stage Cooling Y2 J7 8 MBB TB4 3 Thermostat Y2 2nd Stage Cooling W1 J7 6 MBB TB4 4 Thermostat W1 1st Stage Heating W2 J7 4...

Страница 9: ...Fan Motor 48HG only Fan Power J10 3 MBB Allows indoor fan to operate OFC1 J10 19 MBB Controls outdoor fan motor 1 OFC2 J10 16 MBB Controls outdoor fan motor 3 and 6 also 2 and 5 on size 028 units OFC3...

Страница 10: ...Mounting 2 3 4 5 6 1 SW1 SEN BLK GND RED SPT RED WHT GND BLK CCN COM SENSOR WIRING 2 3 4 5 6 1 SW1 SEN SET Cool Warm WHT T56 BLK GND RED SPT RED WHT GND BLK CCN COM SENSOR WIRING JUMPER TERMINALS AS...

Страница 11: ...eferred configuration CONTROLS AND FUNCTIONS Marquee Display Usage See Fig 7 and Tables 7 21 The display module provides the user interface to the ComfortLink control system The display has up and dow...

Страница 12: ...ode can used to test the system outputs that are independent and can operate in all modes fan only cooling and heating These outputs are ECON E PWR PE 1 PE 2 and ALM When an economizer output ECON oth...

Страница 13: ...un Hours HTR 2 XXXX Heat Stage 2 Run Hours PE 1 XXXX Power Exhaust1 Run Hours PE 2 XXXX Power Exhaust2 Run Hours E PWR XXXX Economizer Pwr Run Hours ALM XXXX Alarm Output Run Hours CYCS Component Cycl...

Страница 14: ...ON OFF Compressor B1 Test C1 ON OFF Compressor C1 Test HEAT Test Heating HTR 1 ON OFF Heat Stage 1 Test HTR 2 ON OFF Heat Stage 2 Test SUBMODE KEYPAD ENTRY ITEM DISPLAY ITEM EXPANSION COMMENT UNIT Uni...

Страница 15: ...ng Set points OCSP XX Occupied Cool Set point Default 78 UCSP XX Unoccupied Cool Set point Default 85 HEAT Heating Set points OHSP XX Occupied Heat Set point Default 68 UHSP XX Unoccupied Heat Set poi...

Страница 16: ...lity CS IN Current Sensor Inputs CS A1 ON OFF A1 Current Sensor CS B1 ON OFF B1 Current Sensor CS C1 ON OFF C1 Current Sensor SUBMODE KEYPAD ENTRY ITEM DISPLAY ITEM EXPANSION FANS Fan Outputs IDF ON O...

Страница 17: ...h 1 Normal Open 2 Normal Close ECB YES NO ECB Installed Default YES SAT T XXX SAT Settling Time Secs Default 240 sec COOL Cooling Configuration N CMP X Number of Compressors Default 3 016 024 2 014 02...

Страница 18: ...Default Yes EN SW X Enthalpy Switch Input Default 0 0 No Switch 1 Normal Open 2 Normal Close PE EN YES NO Power Exhaust Control Default NO PE1 P XXX PE Stage1 Econo Position Default 25 PE2 P XXX PE St...

Страница 19: ...t YES A SSP YES NO SSP Transducer Failure Default YES A SCT YES NO SCT Thermistor Failure Default YES A FAN YES NO Indoor Fan Failure Default YES A FIL YES NO Plugged Filter Default YES A TST YES NO T...

Страница 20: ...cal Schedule 65 99 Global Schedule OVR E OVR E YES NO SPT Override Enabled Default YES OTL OTL X Override Time Limit Default 4 SCH L Local Occupancy Schedule PER 1 Occupancy Period 1 OCC 1 XX XX Perio...

Страница 21: ...Saturday In Period Default No SUN 3 YES NO Sunday In Period Default No HOL 3 YES NO Holiday In Period Default No PER 4 Occupancy Period 4 OCC 4 XX XX Period Occupied Time Range 00 00 to 23 59 Default...

Страница 22: ...Range 00 00 to 23 59 Default 00 00 UNC 7 XX XX Period Unoccupied Time Range 00 00 to 23 59 Default 00 00 MON 7 YES NO Monday In Period Default No TUE 7 YES NO Tuesday In Period Default No WED 7 YES NO...

Страница 23: ...4 X Holiday Start Day Default 0 LEN 4 XX Holiday Duration Days Default 0 HOL 5 Holiday 5 MTH 5 XX Holiday Start Month Default 0 DAY 5 X Holiday Start Day Default 0 LEN 5 XX Holiday Duration Days Defa...

Страница 24: ...O Scrolling stops YES Select YES YES Changed accepted MON 1 YES Monday In Period Item Value Units scrolls again TUE 1 NO Tuesday In Period NO Scrolling stops YES Select YES YES Changed accepted TUE 1...

Страница 25: ...If a compressor shuts down because of a safety the software will set the compressor request A1 B1 or C1 to OFF forcing the user to reselect the compressor to restart the compressor in Service mode Al...

Страница 26: ...Centurion unit can only store one local schedule and therefore changing this number only changes the title of the schedule table c SCH N 65 99 Follow the global programmed schedule If the Centurion u...

Страница 27: ...ues are 50 25 and 0 for circuits A B and C respectively The maximum value will remain in effect until the compressor in trouble turns off The effective maximum economizer position must always be highe...

Страница 28: ...opposite order In all cases the minimum on time of 3 minutes MRT C and the minimum off time of 5 minutes MOT C must be honored Therefore if the staging order is BtoT and Circuit A was shut down two m...

Страница 29: ...r description of IGC operation NOTE The jumper wire in the installer s packer must be con nected between R and W1 when using a T55 T56 or T58 device See Fig 1 and 2 During Space Sensor control two met...

Страница 30: ...the last stage of compressor might cycle rapidly slowed only by its minimum on and off time requirements For size 016 to 024 units the algorithm must decide how to map a two stage thermostat to three...

Страница 31: ...it to shut down for 15 min utes This feature reduces the likelihood of false alarms causing a properly working system to be shutdown incorrectly If three strikes occur before the circuit has an opport...

Страница 32: ...causes are 1 Welded contactor 2 Frozen compressor relay on MBB To check out alerts 51 55 and 59 1 Place the unit in Service Test Mode All compressors should be Off 2 Verify that there is not 24V at t...

Страница 33: ...e with Economizer Actuator This alert occurs when the MBB cannot communicate with the Belimo Actuator This is usually caused by a wiring problem Investigate using the Low Voltage Schematic Alarm Code...

Страница 34: ...W1 is turned On Alert Code 413 Y and W Simultaneously This alert occurs in Thermostat Mode when Y1 or Y2 is energized simul taneously with W1 or W2 Verify thermostat and thermostat wiring The software...

Страница 35: ...ards loose or broken fan belt plugged filter drier faulty transducer exces sively cold return air or stuck open economizer when the ambient temperature is low T140 Circuit C Loss of Charge Shutdown Ci...

Страница 36: ...er coil dirty or restricted Clean coil or remove restriction Excessive head pressures Loose condenser thermistors Tighten thermistors Dirty condenser coil Clean coil Refrigerant overcharge Recover exc...

Страница 37: ...r Check economizer position and configuration Adjust mini mum position using ComfortLink Scrolling Marquee Limit switch cycles main burners Check rotation of blower thermostat heat anticipator set tin...

Страница 38: ...38 Fig 13 IGC Control Heating and Cooling LEGEND NOTE Thermostat Fan Switch in the AUTO position IDM Induced Draft Motor IGC Integrated Gas Unit Controller...

Страница 39: ...ng the resistance with unit shut down and thermistor dis connected from J8 Compare the values determined with the value read by the control in the Temperatures mode using the Scrolling Marquee display...

Страница 40: ...96 86 1 340 4 000 87 1 319 3 906 88 1 298 3 814 89 1 278 3 726 90 1 257 3 640 91 1 237 3 556 92 1 217 3 474 93 1 198 3 395 94 1 179 3 318 95 1 160 3 243 96 1 141 3 170 97 1 122 3 099 98 1 104 3 031 99...

Страница 41: ...710 23 1 623 5 461 24 1 580 5 225 25 1 538 5 000 26 1 497 4 786 27 1 457 4 583 28 1 417 4 389 29 1 378 4 204 30 1 340 4 028 31 1 302 3 861 32 1 265 3 701 33 1 229 3 549 34 1 194 3 404 35 1 160 3 266...

Страница 42: ...2 231 8 056 87 2 202 7 869 88 2 173 7 685 89 2 144 7 507 90 2 115 7 333 91 2 087 7 165 92 2 059 6 999 93 2 030 6 838 94 2 003 6 683 95 1 975 6 530 96 1 948 6 383 97 1 921 6 238 98 1 894 6 098 99 1 86...

Страница 43: ...580 109 075 21 4 557 102 868 20 4 533 97 060 19 4 508 91 588 18 4 482 86 463 17 4 455 81 662 16 4 426 77 162 15 4 397 72 940 14 4 367 68 957 13 4 335 65 219 12 4 303 61 711 11 4 269 58 415 10 4 235 55...

Страница 44: ...Delay Gas Heat 45 600 45 sec GAS_FOD SAT Cool Demand Level 0 5 10 0 1 0 F SAT_POS SAT Cool Demand Level 10 0 0 5 1 0 F SAT_NEG SAT Settling Time 10 900 240 sec SAT_SET Minimum SAT Upper Level 35 0 65...

Страница 45: ...tch 0 Not Installed 1 Normally Open 2 Normally Closed 0 No FIOP 1 FIOP FILSTCFG Fire Shutdown Switch 0 Not Installed 1 Normally Open 2 Normally Closed 0 No FIOP 2 FIOP SHTDNCFG Remote Occupancy Switch...

Страница 46: ...XB Middle Stage Max Econmzr 0 100 25 ECONMAXM Top Stage Max Econmzr 0 100 0 ECONMAXT Economizer PID Deadband 0 25 3 ECONBAND Economizer PID kP 0 0 99 9 2 5 ECONO_P Economizer PID kI 0 0 99 9 12 ECONO_...

Страница 47: ...nnn TIMGD_H2 N CIRCUIT A Saturated Suct Temp A snnn n dF SST_A N Saturated Suct Press A nnn n PSIG SSP_A N Saturated Cond Temp A snnn n dF SCT_A N Saturated Cond Press A 0 0 PSIG SCP_A N Compressor A1...

Страница 48: ...Input On Off G Y DESCRIPTION STATUS UNITS POINT FORCIBLE Economizer Power On Off ECON_PWR N Economizer Commanded Pos nn ECONOCMD N Economizer Position nn ECONOPOS N Minimum Position in Effect Nnn MIN_...

Страница 49: ...Lag Factor n n COOL_LAG Y SPT Cool Demand Level n n F DEM_POS Y SPT Cool Demand Level sn n F DEM_NEG Y SAT Cool Demand Level n n F SAT_POS Y SAT Cool Demand Level sn n F SAT_NEG Y MET2Add SAT Trend Le...

Страница 50: ...1 Compressor B1 Cycles nnnnnn CY_B1 Compressor C1 Cycles nnnnnn CY_C1 Indoor Fan Run Hours nnnnn nn hours HR_IDF Indoor Fan Cycles nnnnnn CY_IDF OD Fan Cont 1 Run Hours nnnnn nn hours HR_OFC_1 OD Fan...

Страница 51: ...rent Mode 1 Occup 0 1 MODE Current Occup Period 0 8 PER NO Timed Override in Effect Yes No OVERLAST Time Override Duration 0 4 hours OVR_HRS Current Occupied Time hh mm STRTTIME Current Unoccupied Tim...

Страница 52: ...Txxx ALARM03C Active Alarm 4 Axxx or Txxx ALARM04C Active Alarm 5 Axxx or Txxx ALARM05C Active Alarm 6 Axxx or Txxx ALARM06C Active Alarm 7 Axxx or Txxx ALARM07C Active Alarm 8 Axxx or Txxx ALARM08C A...

Страница 53: ......

Страница 54: ...ange at any time specifications or designs without notice and without incurring obligations PC 111 Catalog No 534 80090 Printed in U S A Form 48 50HG 2T Pg 54 202 10 01 Replaces 48 50HG 1T Book 1 1 4...

Страница 55: ...Stage Y1 OC FN ________ Y N S DLY ________ 30 IDF F ________ N Y FN SW ________ No Switch Normal Open Normal Close FL SW ________ No Switch Normal Open Normal Close FS SW ________ No Switch Normal Op...

Страница 56: ...100 PPM AQD H ________ 700 PPM I 4M ________ 0 PPM I 20M ________ 2000 PPM O 4M ________ 0 PPM O 20M ________ 2000 PPM OAQ L ________ 600 PPM CCN CCN A ________ 1 CCN B ________ 0 BAUD ________ 3 9600...

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