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Carrier AQUAZONE 50HQL072-120, Инструкция по установке, запуску и обслуживанию

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26

Table 8 — 50HQL120 Blower Performance Data

                                   LEGEND

NOTES:

1.

Boldface

 requires 3 hp motor.

2. Units factory shipped at ISO/ARI setting with standard static

sheave and drive at 2.5 turns open (4000 cfm at 0.5 in. wg ESP).
Other speeds require field selection.

3. For applications requiring higher static pressures, contact your local

representative.

4. Based on 2-11x10 blowers.
5. Performance data does not include drive losses and is based on

sea level conditions.

6. All airflow is rated at lowest voltage if unit is dual voltage rated, i.e.,

208V for 208-230V units.

7. For wet coil performance first calculate the face velocity of the air

coil (Face Velocity [fpm] = Airflow [cfm] / Face Area [sq ft]). Then for
velocities of 200 fpm reduce the static capability by 0.03 in. wg,
300 fpm by 0.08 in. wg, 400 fpm by 0.12 in. wg  and 500 fpm by
0.16 in. wg.

Table 9 — 50VQL080 Blower Performance Data

                                   LEGEND

NOTES:
1.

Bold

 numbers require 2 horsepower motor.

2. Due to alternate sheaves, ‘Turns Open’ may vary within ±0.5 turn from

the position shown above.

3. Units factory shipped with standard static sheave and drive at 2.5

turns open (2600 cfm at 0.4 in. wg ESP Wet Coil). Other speeds
require field selection.

4. ISO/ARI rating point with standard static sheave and drive at 2 turns

open (2600 cfm at 0.48 in. wg ESP Wet Coil). Other speeds require
field selection.

5. For applications requiring higher static pressures, contact your local

representative.

6. Performance data does not include drive losses and is based on sea

level conditions.

7. Do not operate in gray region.
8. All airflow is rated at lowest voltage if unit is dual voltage rated, i.e.,

208 v for 208-230-v units.

9. For wet coil performance first calculate the face velocity of the air coil

(Face Velocity [fpm] = Airflow [cfm]/Face Area [sq ft]). Then for veloci-
ties of 200 fpm reduce the static capability by 0.03 in. wg, 300 fpm by
0.08 in. wg, 400 fpm by 0.12 in. wg and 500 fpm by 0.16 in. wg.

RATED

CFM

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

1.1

1.2

1.3

1.4

1.5

3400

BHP

1.10

1.15

1.20

1.25

1.30

1.35

1.40

1.45

1.50

1.54

1.59

1.63

1.68

1.73

1.77

1.82

RPM

1014

1043

1072

1102

1129

1156

1183

1209

1234

1260

1285

1309

1333

1356

1380

1403

Turns Open

3.0

2.5

2.0

1.0

0.5

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

4.5

4.0

4.0

3600

BHP

1.26

1.31

1.37

1.42

1.48

1.53

1.58

1.63

1.68

1.74

1.79

1.84

1.89

1.94

1.99

2.04

RPM

1052

1081

1109

1136

1163

1190

1216

1241

1266

1291

1315

1338

1362

1385

1408

1430

Turns Open

2.5

1.5

1.0

0.5

4.0

3.5

3.0

2.5

2.5

2.0

1.5

1.0

4.5

4.0

3.5

3.5

3800

BHP

1.44

1.50

1.56

1.61

1.67

1.73

1.78

1.84

1.89

1.95

2.00

2.06

2.11

2.16

2.21

2.26

RPM

1090

1118

1145

1172

1199

1223

1248

1273

1298

1321

1345

1368

1391

1413

1435

1457

Turns Open

1.5

1.0

0.0

4.0

3.5

3.0

2.5

2.0

1.5

1.0

1.0

0.5

0.0

3.5

3.5

3.0

4000

BHP

1.63

1.70

1.76

1.82

1.88

1.94

2.00

2.06

2.11

2.17

2.22

2.28

2.34

2.39

2.45

2.50

RPM

1127

1154

1181

1207

1232

1257

1281

1306

1329

1352

1375

1398

1420

1441

1463

1485

Turns Open

0.5

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

0.0

3.5

3.0

3.0

2.5

4200

BHP

1.84

1.91

1.98

2.04

2.10

2.16

2.22

2.28

2.34

2.40

2.47

2.53

2.59

2.65

2.71

2.77

RPM

1164

1191

1217

1241

1266

1291

1314

1337

1360

1383

1406

1427

1449

1470

1492

1513

Turns Open

4.0

3.5

3.0

2.5

2.5

2.0

1.5

1.0

0.5

0.0

3.5

3.5

3.0

2.5

2.5

2.0

4400

BHP

2.07

2.13

2.20

2.27

2.33

2.40

2.46

2.53

2.60

2.66

2.73

2.79

2.86

2.93

2.99

—

RPM

1202

1227

1251

1276

1300

1323

1346

1369

1392

1414

1435

1457

1478

1500

1520

—

Turns Open

3.5

3.0

2.5

2.0

1.5

1.0

1.0

0.5

0.0

3.5

3.5

3.0

2.5

2.5

2.0

—

4600

BHP

2.30

2.37

2.44

2.51

2.59

2.66

2.73

2.80

2.87

2.95

—

—

—

—

—

—

RPM

1237

1262

1287

1310

1333

1356

1379

1402

1423

1444

—

—

—

—

—

—

Turns Open

3.0

2.5

2.0

1.5

1.0

0.5

0.0

4.0

3.5

3.0

—

—

—

—

—

—

—

—

Operation Not Recommended

ARI

—

Air Conditioning and Refrigeration Institute

BHP —

Brake Horsepower

ESP —

External Static Pressure

ISO

—

International Organization for Standardization

RPM —

Revolutions Per Minute

A

—

Units with Standard Static Sheave/Standard Motor Option

B

—

Units with Low-Static Sheave/Standard Motor Option

C

—

Units with High-Static Sheave/Standard Motor Option

D

—

Units with Standard Static Sheave/Large 3 Hp Motor Option

E

—

Units with High-Static Sheave/Large 3 Hp Motor Option

RATED

CFM

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

1.1

1.2

1.3

1.4

1.5

2000

BHP

0.36

0.39

0.43

0.47

0.51

0.55

0.59

0.63

0.67

0.71

0.76

0.80

0.84

0.89

0.93

0.98

RPM

600

641

681

720

757

794

829

864

898

931

964

996

1027

1058

1088

1117

Turns Open

3

2

1

0.5

4.5

3.5

3

2

1.5

1

0.5

3

2.5

2

1.5

1

2200

BHP

0.45

0.49

0.53

0.57

0.61

0.65

0.70

0.74

0.79

0.83

0.88

0.92

0.97

1.02

1.06

1.11

RPM

633

671

708

745

780

814

848

881

913

945

976

1006

1036

1066

1095

1123

Turns Open

2

1.5

0.5

4.5

4

3

2.5

2

1.5

0.5

0

3

2.5

2

1.5

1

2400

BHP

0.55

0.60

0.64

0.69

0.73

0.78

0.82

0.87

0.92

0.97

1.02

1.07

1.11

1.16

1.22

1.27

RPM

670

705

740

774

807

840

872

903

934

964

993

1022

1051

1079

1107

1134

Turns Open

1.5

1

4.5

4

3.5

2.5

2

1.5

1

0.5

3

2.5

2

2

1.5

1

2600

BHP

0.68

0.73

0.77

0.82

0.87

0.92

0.97

1.02

1.07

1.12

1.17

1.22

1.28

1.33

1.38

1.44

RPM

708

741

773

805

837

867

898

927

957

985

1013

1041

1069

1096

1122

1149

Turns Open

0.5

4.5

4

3.5

2.5

2

1.5

1

0.5

0

3

2.5

2

1.5

1

0.5

2800

BHP

0.82

0.87

0.92

0.97

1.02

1.08

1.13

1.18

1.24

1.29

1.34

1.40

1.45

1.51

1.57

1.62

RPM

744

775

806

836

866

895

924

952

980

1007

1034

1061

1087

1113

1138

1164

Turns Open

4.5

4

3.5

3

2

1.5

1

0.5

0

3

2.5

2

1.5

1.5

1

0.5

3000

BHP

0.97

1.03

1.08

1.14

1.19

1.25

1.30

1.36

1.41

1.47

1.53

1.59

1.65

1.70

1.76

1.82

RPM

777

807

836

865

893

921

948

975

1002

1028

1054

1079

1104

1129

1154

1178

Turns Open

4

3.5

3

2

1.5

1

0.5

0

3

2.5

2

2

1.5

1

0.5

0

3200

BHP

1.14

1.19

1.25

1.31

1.36

1.42

1.48

1.54

1.60

1.66

1.72

1.78

RPM

807

835

862

890

917

943

969

995

1021

1046

1071

1095

Turns Open

3.5

3

2.5

1.5

1

0.5

3

3

2.5

2

2

1.5

A

—

Standard Static Sheave/Standard Motor

B

—

Low-Static Sheave/Standard Motor

C

—

High-Static Sheave/Standard Motor Option

E

—

High-Static Sheave/Large Motor

ARI

—

Air Conditioning and Refrigeration Institute

BHP —

Brake Horsepower

ESP —

External Static Pressure

ISO

—

International Organization for Standardization

RPM —

Revolutions Per Minute

B

A

C

E

B

A

E

D

C

Содержание AQUAZONE 50HQL072-120

Страница 1: ... and Plateframe Heat Exchanger Well Systems 34 OPERATION 35 36 Power Up Mode 35 Units with Aquazone Complete C Control 35 Units with Aquazone Deluxe D Control 35 Units with HWR Option 35 SYSTEM TEST 36 37 Test Mode 36 Retry Mode 36 Aquazone Deluxe D Control LED Indicators 36 SERVICE 37 38 Filters 37 Water Coil 37 Condensate Drain Pans 37 Refrigerant System 37 Condensate Drain Cleaning 37 Air Coil ...

Страница 2: ...aser to file all necessary claims with the shipping company 1 Verify unit is correct model for entering water tempera ture of job 2 Be sure that the location chosen for unit installation pro vides ambient temperatures maintained above freezing Well water applications are especially susceptible to freezing 3 Be sure the installation location is isolated from sleeping areas private offices and other...

Страница 3: ...20 x 20 2 20 x 25 and 1 20 x 18 FPI Fins per Inch TPI Threads per inch UNIT 50VQL 080 100 120 160 200 240 300 NOMINAL CAPACITY tons 61 2 81 2 10 13 17 20 25 COMPRESSOR S Qty Type 1 Scroll 1 Scroll 1 Scroll 2 Scroll 2 Scroll 2 Scroll 2 Scroll WEIGHTS lb Operating 600 685 735 1120 1265 1350 1465 Shipping 610 695 745 1145 1275 1375 1475 AIR COIL Aluminum Fins Copper Tubes Total Face Area sq ft 9 00 1...

Страница 4: ... 2 S 34 1 74 1 PLAN VIEW TOP FRONT FRONT OF UNIT V U Left Return Left View Air Coil Opening 24 Service Access Filter Bracket Shown 24 Service Access 4 2 NOTES 1 All dimensions in inches 2 Flanged filter bracket shipped with unit Leave one end of duct collar open for filter removal 3 All side panels are removable 4 Available in left return straight discharge only 5 Condensate is 3 4 in FPT copper 6...

Страница 5: ... should be removed for return duct connection CONNECTIONS Water Outlet 11 4 FPT Water Inlet 11 4 FPT Condensate Drain 3 4 FPT High Voltage Access 7 8 K O Low Voltage Access 7 8 DIA LEGEND BSP Blower Service Panel CAP Control Access Panel CSP Compressor Service Panel 1 2 3 4 5 UNIT 50HQL OVERALL CABINET in DISCHARGE CONNECTIONS in Duct Flange 0 10 in WATER CONNECTIONS in ELECTRICAL KNOCKOUTS in RET...

Страница 6: ...l Valve Ball Valve with integral P T plug Stainless steel braid hose with integral J swivel Building Loop Fig 2 Typical Horizontal Installation 50HQL Units T Optional Discharge Supply Air Optional Discharge Access Panel Access Panel Access Panel Access Panel Vibration Pad Control Box Supply Air Supply Water Return Water Balancing Valve Valves Trap Condensate 24 V Remote Mtd Stat Power Supply Disco...

Страница 7: ...ions UNIT 50VQL OVERALL CABINET DISCHARGE CONNECTIONS Duct Flange 0 10 in WATER CONNECTIONS ELECTRICAL KNOCKOUTS RETURN AIR CONNECTIONS Using Duct Flange A Width B Depth C Height D Supply Width E Supply Depth F K 1 Water Inlet L 2 Water Outlet M 3 Cond ensate N O P Q R S Return Depth T Return Height U V W 080 100 in 29 0 41 0 71 5 14 7 15 8 11 2 4 0 7 4 14 5 20 5 2 1 20 6 1 0 3 1 34 8 23 4 25 4 3 ...

Страница 8: ...HWR Hot Water Reheat NRP Non Removable Panel UNIT 50VQL OVERALL CABINET DISCHARGE CONNECTIONS Duct Flange 0 10 in WATER CONNECTIONS ELECTRICAL KNOCKOUTS RETURN AIR CONNECTIONS Using Duct Flange A Width B Depth C Height D Supply Width E Supply Depth F G K 1 Water Inlet L 2 Water Outlet M 3 Cond ensate N O P Q R S Return Depth T Return Height U V W 160 in 29 0 82 0 71 5 14 7 15 8 19 4 13 8 4 0 7 4 1...

Страница 9: ...r Reheat NRP Non Removable Panel Fig 4C 50VQL300 Unit Dimensions UNIT 50VQL OVERALL CABINET DISCHARGE CONNECTIONS Duct Flange 0 10 in WATER CONNECTIONS ELECTRICAL KNOCKOUTS RETURN AIR CONNECTIONS Using Duct Flange A Width B Depth C Height D Supply Width E Supply Depth F G K 1 Water Inlet L 2 Water Outlet M 3 Cond ensate N O P Q R S Return Depth T Return Height U V W 300 in 29 0 82 0 71 5 18 8 16 1...

Страница 10: ...or safety See Fig 2 Rod attachments must be able to support the weight of the unit See Table 1 for unit operating weights VERTICAL UNITS 50VQL Vertical units are available in rear or front return air configurations Sound minimization is achieved by enclosing the unit with in a small mechanical room or a closet Additional measures for sound control include the following 1 Mount the unit so that the...

Страница 11: ...n there are 3types of WSHP piping systems to choose from water loop ground water and ground loop Refer to the Carrier System Design Manual for additional information All WSHP units utilize low temperature soldered female pipe thread fittings for water connections to prevent annealing and out of round leak problems which are typically associated with high temperature brazed connections Refer to Tab...

Страница 12: ...ectrical Data shown in Tables 4 and 5 Make all final electrical connections with a length of flexi ble conduit to minimize vibration and sound transmission to the building POWER CONNECTION Line voltage connection is made by connecting the incoming line voltage wires to the L side of the CC terminal See Tables 4 and 5 for correct wire and maximum overcurrent protection sizing SUPPLY VOLTAGE Operati...

Страница 13: ... Saturation Index All N A 0 5 to 0 5 If 0 5 minimize steel pipe use Based upon 150 F HWG and direct well 85 F indirect well HX Iron Fouling Iron Fe2 Ferrous Bacterial Iron Potential All N A 0 2 ppm Ferrous If Fe2 ferrous 0 2 ppm with pH 6 8 O2 5 ppm check for iron bacteria Iron Fouling All N A 0 5 ppm of Oxygen Above this level deposition will occur Corrosion Prevention pH All 6 8 5 Monitor treat ...

Страница 14: ...conditions need to be considered The valve takes approximately 60 sec onds to open very little water will flow before 45 seconds and it activates the compressor only after the valve is completely opened by closing its end switch When wired as shown the valve will have the following operating characteristics 1 Remain open during a lockout 2 Draw approximately 25 to 35 VA through the Y signal of the...

Страница 15: ...ing shown Refer to thermostat installation instructions for wir ing to the unit Thermostat wiring must be Class 1 and voltage rating equal to or greater than unit supply voltage 6 24 v Alarm Signal shown For Dry Alarm Contact cut JW1 jumper and dry contact will be avail able between AL1 and AL2 7 Transformer secondary ground via board standoffs and screws to Control Box Ground avail able from top ...

Страница 16: ...late open end of VIO lead 4 FP1 thermistor provides freeze protection for WATER When using ANTIFREEZE solution cut JW3 jumper 5 Typical heat pump thermostat wiring shown Refer to thermostat installation instructions for wir ing to the unit Thermostat wiring must be Class 1 and voltage rating equal to or greater than unit supply voltage 6 24 v Alarm Signal shown For Dry Alarm Contact cut AL2 DRY JW...

Страница 17: ...ith insulating tape 4 FP1 jumper provides freeze protection for WATER When using ANTIFREEZE solutions cut FP1 jumper 5 Typical thermostat wiring shown Refer to thermostat installation instructions for wiring to the unit Thermostat wiring must be Class 1 and voltage rating equal to or greater than unit supply voltage 6 24 v Alarm Signal shown For Dry Alarm Contact cut JW1 jumper and Dry Contact wil...

Страница 18: ... thermistor provides freeze protection for WATER When using ANTIFREEZE solutions cut JW3 jumper 5 Typical heat pump thermostat wiring shown Refer to thermostat installation instructions for wir ing to the unit Thermostat wiring must be Class 1 and voltage rating equal to or greater than unit supply voltage 6 24 v Alarm Signal shown For Dry Alarm Contact cut AL2 DRY JW4 jumper and dry contact will ...

Страница 19: ...freeze protection for WATER When using ANTIFREEZE solution cut FP1 jumper 5 Typical thermostat wiring shown Refer to thermostat installation instructions for wiring to the unit Thermostat wiring must be Class 1 and voltage rating equal to or greater than unit supply voltage 6 24 v Alarm Signal shown For Dry Alarm Contact cut JW1 jumper and Dry Contact will be avail able between AL1 and AL2 7 Trans...

Страница 20: ... When using ANTIFREEZE solutions cut JW3 jumper 5 Typical heat pump thermostat wiring shown Refer to thermostat installation instructions for wir ing to the unit Thermostat wiring must be Class 1 and voltage rating equal to or greater than unit supply voltage 6 24 v Alarm Signal shown For Dry Alarm Contact cut AL2 DRY JW4 Jumper and Dry Contact will be available between AL1 and AL2 7 Transformer s...

Страница 21: ...lead 4 FP1 thermister provides freeze protection for water When using antifreeze solutions cut JW3 jumper 5 Typical thermostat wiring shown Refer to thermostat installation instructions for wiring to the unit Thermostat wiring must be Class 1 and voltage rating equal to or greater than unit supply voltage 6 Factory cut JW1 jumper Dry contact will be available between AL1 and AL2 7 Transformer seco...

Страница 22: ...lead 4 FP1 thermister provides freeze protection for water When using antifreeze solutions cut JW3 jumper 5 Typical thermostat wiring shown Refer to thermostat installation instructions for wiring to the unit Thermostat wiring must be Class 1 and voltage rating equal to or greater than unit supply voltage 6 Factory cut JW4 jumper Dry contact will be available between AL1 and AL2 7 Transformer seco...

Страница 23: ... 32 1 195 1 1 5 5 8 2 0 39 1 47 1 70 37 9 45 9 70 Large 1 32 1 195 1 2 0 6 2 2 0 40 3 48 3 80 38 3 46 3 70 460 414 506 Standard 1 16 4 95 1 1 5 2 4 1 0 19 8 23 9 40 18 8 22 9 35 Large 1 16 4 95 1 2 0 3 1 1 0 20 5 24 6 40 19 5 23 6 40 575 518 633 Standard 1 12 0 80 1 1 5 1 9 0 8 14 7 17 7 25 13 9 16 9 25 Large 1 12 0 80 1 2 0 2 3 0 8 15 1 18 1 30 14 3 17 3 25 120 208 230 197 253 Standard 1 33 6 225...

Страница 24: ... capability higher rpm To adjust sheave position follow the procedure outlined below 1 Loosen belt tension and remove belt 2 Loosen set screw on fan motor 3 Open sheave to desired position 4 Retighten set screw and replace belt NOTE Set belt tension as outlined below BELT TENSION ADJUSTMENT An overly loose belt will upon starting motor produce a slippage squeal and cause premature belt failure and...

Страница 25: ...4 1 30 1 37 1 44 1 51 1 57 RPM 667 705 742 779 814 849 884 917 950 983 1015 1046 1078 1108 1138 1168 Turns Open 1 5 1 0 4 5 4 0 3 0 2 5 2 0 1 0 0 5 0 0 3 5 3 0 2 5 2 5 2 0 1 5 2800 BHP 0 81 0 87 0 93 1 00 1 06 1 12 1 19 1 25 1 32 1 39 1 46 1 52 1 60 1 67 1 74 1 81 RPM 729 764 799 833 866 899 931 962 993 1024 1054 1084 1114 1143 1171 1199 Turns Open 5 0 4 0 3 5 3 0 2 0 1 5 1 0 0 5 0 0 3 5 3 0 2 5 2...

Страница 26: ...5 3 0 2 5 2 0 1 5 1 0 0 5 0 0 0 0 3 5 3 0 3 0 2 5 4200 BHP 1 84 1 91 1 98 2 04 2 10 2 16 2 22 2 28 2 34 2 40 2 47 2 53 2 59 2 65 2 71 2 77 RPM 1164 1191 1217 1241 1266 1291 1314 1337 1360 1383 1406 1427 1449 1470 1492 1513 Turns Open 4 0 3 5 3 0 2 5 2 5 2 0 1 5 1 0 0 5 0 0 3 5 3 5 3 0 2 5 2 5 2 0 4400 BHP 2 07 2 13 2 20 2 27 2 33 2 40 2 46 2 53 2 60 2 66 2 73 2 79 2 86 2 93 2 99 RPM 1202 1227 1251...

Страница 27: ...en 4 5 3 5 3 2 1 4 5 4 3 5 2 5 2 1 5 3 2 5 2 2 3700 BHP 0 78 0 85 0 92 0 99 1 07 1 15 1 23 1 31 1 40 1 48 1 55 1 63 1 70 1 78 RPM 566 600 633 665 696 726 755 783 811 838 864 889 914 939 Turns Open 4 3 5 2 5 1 5 1 4 3 5 3 2 5 4 3 5 3 2 5 2 3900 BHP 0 82 0 89 0 96 1 03 1 10 1 18 1 26 1 35 1 43 1 52 1 62 1 71 1 81 RPM 550 584 616 648 679 709 738 766 794 821 847 873 898 Turns Open 4 5 3 5 3 2 1 5 4 5 ...

Страница 28: ...84 1 93 2 03 2 13 2 23 2 33 2 43 2 53 RPM 670 705 740 774 807 840 872 903 934 964 993 1022 1051 1079 1107 1134 Turns Open 1 5 1 4 5 4 3 5 2 5 2 1 5 1 0 5 3 2 5 2 2 1 5 1 5200 BHP 1 36 1 45 1 55 1 64 1 74 1 84 1 94 2 04 2 14 2 24 2 34 2 45 2 55 2 66 2 77 2 87 RPM 708 741 773 805 837 867 898 927 957 985 1013 1041 1069 1096 1122 1149 Turns Open 0 5 4 5 4 3 5 2 5 2 1 5 1 0 5 0 3 2 5 2 1 5 1 0 5 5600 B...

Страница 29: ...4 1 53 1 63 1 69 1 74 1 80 RPM 557 592 625 658 689 720 750 778 806 833 860 886 911 935 959 Turns Open 4 5 3 5 2 5 2 1 4 5 4 3 2 5 2 1 5 1 0 5 0 2 7600 BHP 0 83 0 90 0 97 1 05 1 12 1 20 1 29 1 37 1 46 1 55 1 65 1 75 1 85 1 95 2 06 RPM 575 608 640 672 702 732 760 788 816 842 868 894 918 943 966 Turns Open 4 3 2 5 1 5 4 5 4 3 5 3 2 5 2 1 5 1 0 5 2 1 5 8000 BHP 0 87 0 94 1 01 1 09 1 16 1 24 1 33 1 41 ...

Страница 30: ...elay terminal AL2 to 24 vac R or to remain as a dry contact no connection To connect AL2 to R do not clip the jumper To set as dry contact clip the jumper LOW PRESSURE SETTING The Deluxe D Control can be configured for Low Pressure Setting LP Select jumper 1 JW1 LP Norm Open for choosing between low pressure in put normally opened or closed To configure for normally closed operation do not clip th...

Страница 31: ...IP Switch Block S2 Accessory 2 Relay Options LEGEND NOTE All other switch combinations are invalid Units with Modulating Hot Water Reheat HWR Option A heat pump equipped with Hot Water Reheat HWR can operate in three modes cooling cooling with reheat and heating The cooling heating modes are like any other Aquazone water source heat pump The reversing valve O signal is energized in cooling along w...

Страница 32: ...this configura tion the relay will be ON if the NSB input is connected to ground C NOTE If there are no relays configured for digital NSB then the NSB and override OVR inputs are automatically config ured for mechanical operation MECHANICAL NIGHT SET BACK When NSB input is connected to ground C all thermostat inputs are ignored A thermostat set back heating call will then be connected to the OVR i...

Страница 33: ...internal overload protection will open thus activating the unit lockout This requires a manual reset To reset turn the thermostat on and then off NOTE There is a 5 minute time delay before the compressor will start Unit Start Up Cooling Mode 1 Adjust the unit thermostat to the warmest position Slowly reduce the thermostat position until the compres sor activates 2 Check for cool air delivery at un...

Страница 34: ...d to ensure the motor housing has been flood ed Be sure the loop flow center provides adequate flow through the unit by checking pressure drop across the heat exchanger Antifreeze In areas where entering loop temperatures drop below 40 F or where piping will be routed through ar eas subject to freezing antifreeze is needed Alcohols and glycols are commonly used as antifreeze agents Freeze protecti...

Страница 35: ...g Heat Stage 3 demand EH2 will turn on after 10 minutes EH1 and EH2 are turned off immediately when the Heating Stage 3 demand is removed The control reverts to Heating Stage 2 mode Output EH2 will be off if FP1 is greater than 45 F AND FP2 when shorted is greater than 110 F during Heating Stage 3 mode This condition will have a 30 second recognition time Also during Heating Stage 3 mode EH1 EH2 F...

Страница 36: ...t mode The Test LED light is yellow FAULT LED Fault LED light is red The fault LED will always flash a code representing the last fault in memory If there is no fault in memory the fault LED will flash code 1 on the and appear as 1 fast flash alternating with a 10 second pause See Table 26 Table 24 Complete C Control Current LED Status and Alarm Relay Operations LEGEND NOTES 1 Slow flash is 1 flas...

Страница 37: ... from this unit must be recovered without exception Technicians must fol low industry accepted guidelines and all local state and fed eral statutes for the recovery and disposal of refrigerants IMPORTANT To avoid the release of refrigerant into the atmosphere the refrigerant circuit of this unit must only be serviced by technicians which meet local state and federal proficiency requirements IMPORT...

Страница 38: ...pressure gage to discharge line near compressor 3 After unit conditions have stabilized read head pressure on discharge line gage NOTE Operate unit a minimum of 15 minutes before checking charge 4 From standard field supplied Pressure Temperature chart for R 22 find equivalent saturated condensing temperature 5 Read liquid line temperature on thermometer then subtract from saturated condensing tem...

Страница 39: ... protection Be sure FP1 is located in the discharge fluid and FP2 is located in the air discharge See Fig 19 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 0 0 20 0 40 0 60 0 80 0 100 0 120 0 140 0 Temperature degF Resistance kOhm Fig 18 Thermistor Nominal Resistance a50 8163 SUCTION COMPRESSOR DISCHARGE COAX EXPANSION VALVE FP2 FP1 LIQUID LINE WATER IN WATER OUT CONDENSATE OVERFLOW CO AIR COIL ...

Страница 40: ... high external static Check Tables 6 16 X Air temperature out of range Too much cold vent air Bring entering air temperature within design parameters X Improper freeze protect set ting 30 F vs 10 F Normal airside applications will require 30 F only X X Bad thermistor Check temperature and impedance correlation Condensate Fault Code 6 X X Blocked drain Check for blockage and clean drain X X Imprope...

Страница 41: ...ump capacity X X Scaling in water heat exchanger Perform Scaling check and clean if necessary X X Inlet water too hot or cold Check load loop sizing loop backfill ground moisture High Head Pressure X Reduced or no airflow in heating Check for dirty air filter and clean or replace Check fan motor operation and airflow restrictions Too high external static Check blower Tables 6 16 X Reduced or no wa...

Страница 42: ...inue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53500034 01 Printed in U S A Form 50H V 10SI Pg 42 7 07 Replaces 50H V 9SI Book 1 4 Tab 5a 5a Copyright 2007 Carrier Corporation ...

Страница 43: ...NS BEEN MADE AND IS FLUID AVAILABLE AT HEAT EXCHANGER Y N HAS PUMP BEEN TURNED ON AND ARE ISOLATION VALVES OPEN Y N HAS CONDENSATE CONNECTION BEEN MADE AND IS A TRAP INSTALLED Y N IS AN AIR FILTER INSTALLED Y N II START UP IS FAN OPERATING WHEN COMPRESSOR OPERATES Y N IF 3 PHASE SCROLL COMPRESSOR IS PRESENT VERIFY PROPER ROTATION PER INSTRUCTIONS Y N UNIT VOLTAGE COOLING OPERATION PHASE AB VOLTS P...

Страница 44: ...NALYSIS COOLING CYCLE ANALYSIS HEAT OF EXTRACTION ABSORPTION OR HEAT OF REJECTION FLOW RATE GPM x TEMP DIFF DEG F x FLUID FACTOR Btu hr SUPERHEAT SUCTION TEMPERATURE SUCTION SATURATION TEMPERATURE DEG F SUBCOOLING DISCHARGE SATURATION TEMPERATURE LIQUID LINE TEMPERATURE DEG F Use 500 for water 485 for antifreeze SUCTION COMPRESSOR DISCHARGE COAX EXPANSION VALVE F F AIR COIL F PSI WATER OUT WATER I...

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