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9

Table 2 — Electrical Data

(See Legend on page 10.)

UNIT
50HJ

NOMINAL

VOLTAGE

(3 Ph,

60 Hz)

VOLTAGE

RANGE

COMPRESSOR

OFM

IFM

POWER

EXHAUST

ELECTRIC

HEAT*

POWER

SUPPLY

No. 1

No. 2

Min

Max

RLA

LRA

RLA

LRA

Qty

Hp

FLA (ea)

Hp

FLA

FLA

LRA

kW

FLA

MCA

MOCP†

015

(Standard

IFM)

208/230

187

253

20.7

156

19.3

123

3

0.5

1.7

2.9

8.8/

8.4

59/ 59

70/ 70

4.6

18.8

64/ 63

80/ 80

14/19

39/ 45

60/ 67

70/ 70

4.6

18.8

14/19

39/ 45

66/ 73

80/ 80

26/34

71/ 82

100/113

100/125

4.6

18.8

26/34

71/ 82

106/119

110/125

42/56**

117/135

157/146

175/175

4.6

18.8

42/56**

117/135

163/151

175/175

460

414

508

10

70

10

62

3

0.5

0.8

2.9

4.2

29

35

2.3

6.0

31

40

15

18

29

35

2.3

6.0

15

18

31

40

32

39

54

60

2.3

6.0

32

39

57

60

55**

66

71

80

2.3

6.0

55**

66

74

80

575

518

633

8.2

54

7.9

50

3

0.5

0.75

3.0

3.9

24

30

2.1

4.8

26

30

37**

37

51

60

2.1

4.8

37**

37

54

60

015

(Optional

IFM)

208/230

187

253

20.7

156

19.3

123

3

0.5

1.7

3.7

11.0/

10.5

61/ 61

80/ 80

4.6

18.8

65/ 66

80/ 80

14/19

39/ 45

62/ 70

80/ 80

4.6

18.8

14/19

39/ 45

68/ 76

80/ 80

26/34

71/ 82

102/116

110/125

4.6

18.8

26/34

71/ 82

108/122

110/125

42/56**

117/135

159/149

175/175

4.6

18.8

42/56**

117/135

165/155

175/175

460

414

508

10

70

10

62

3

0.5

0.8

3.7

4.8

30

35

2.3

6.0

32

40

15

18

30

35

2.3

6.0

15

18

32

40

32

39

55

60

2.3

6.0

32

39

58

60

55**

66

72

80

2.3

6.0

55**

66

75

80

017

208/230

187

253

32.1

195

20.7

156

3

0.5

1.7

5.0

15.8/

15.8

82/ 82

110/110

4.6

18.8

86/ 86

110/110

26/34

71/ 82

109/122

110/125

4.6

18.8

26/34

71/ 82

114/128

125/150

42/56

117/135

166/155

175/175

4.6

18.8

42/56

117/135

172/161

175/175

56/75**

156/180

176/200

200/225

4.6

18.8

56/75**

156/180

182/206

200/225

460

414

508

16.4

95

10

70

3

0.5

0.8

5.0

7.9

41

50

2.3

6.0

43

50

32

39

59

60

2.3

6.0

32

39

62

70

55

66

76

90

2.3

6.0

55

66

79

90

80**

96

106

125

2.3

6.0

80**

96

109

125

575

518

633

12

80

8.2

54

3

0.5

0.75

5.0

6.0

31

40

2.1

4.8

34

40

025

208/230

187

253

42

239

33.6

225

2

1

6.6

7.5

25.0/

25.0

124/124

150/150

4.6

18.8

129/129

150/150

26/34

71/ 82

124/134

150/150

4.6

18.8

26/34

71/ 82

129/140

150/150

42/56

117/135

178/166

200/175

4.6

18.8

42/56

117/135

183/172

200/175

56/75**

156/180

187/211

200/225

4.6

18.8

56/75**

156/180

193/217

200/225

460

414

508

19.2

125

17.3

114

2

1

3.3

7.5

13.0

61

80

2.3

6.0

63

80

32

39

65

80

2.3

6.0

32

39

68

80

55

66

82

90

2.3

6.0

55

66

85

90

80**

96

112

125

2.3

6.0

80**

96

115

125

575

518

633

13.8

80

13.5

80

2

1

3.4

7.5

10.0

48

60

2.1

4.8

50

60

Содержание 50HJ015-025

Страница 1: ...b or horizontal supply roof curb are shown in Fig 1 and 2 Install insulation cant strips roofing and counter flash ing as shown Ductwork can be secured to roof curb before unit is set in place Roof cu...

Страница 2: ...oof curb accessory is shipped disassembled 2 Insulated panels 1 thick neoprene coated 1 1 2 lb density 3 Dimensions in are in millimeters 4 Direction of airflow 5 Roof curb 16 ga VA03 56 stl 6 A 90 de...

Страница 3: ...orner post from packaging to protect coil from damage Use bumper boards for spreader bars 5 Weights do not include optional EconoMi er Add 80 lb 36 kg for EconoMi er weight 6 Weights given are for alu...

Страница 4: ...moval This dimension can be reduced to 4 0 1219 if conditions permit coil removal from the top Left side 4 0 1219 for proper condenser coil airflow Front 4 0 1219 for control box access Right side 4 0...

Страница 5: ...19 if conditions permit coil removal from the top Left side 4 0 1219 for proper condenser coil airflow Front 4 0 1219 for control box access Right side 4 0 1219 for proper operation of damper and powe...

Страница 6: ...FAN Centrifugal Type Quantity Size in 2 10 x 10 2 12 x 12 2 12 x 12 Type Drive Belt Belt Belt Nominal Cfm 5200 6000 8000 Std Motor Hp 2 9 3 0 5 7 5 Opt Motor Hp 3 7 N A Motor Nominal Rpm 1725 1745 17...

Страница 7: ...inside unit evaporator section for conden sate drain connection An 81 2 in x 3 4 in diameter nipple and a 2 in x 3 4 in diameter pipe nipple are coupled to standard 3 4 in diameter elbows to provide a...

Страница 8: ...ure Route thermostat cable or equivalent single leads of colored wire from subbase terminals through conduit in unit to low voltage connections as shown on unit label wiring diagram and in Fig 12 NOTE...

Страница 9: ...8 8 42 56 117 135 165 155 175 175 460 414 508 10 70 10 62 3 0 5 0 8 3 7 4 8 30 35 2 3 6 0 32 40 15 18 30 35 2 3 6 0 15 18 32 40 32 39 55 60 2 3 6 0 32 39 58 60 55 66 72 80 2 3 6 0 55 66 75 80 017 208...

Страница 10: ...FLA Table 3 Electric Resistance Heater Data Maximum number of stages using accessory low ambient kit or head pressure control device and low ambient kit NOTE Heaters are rated at 240 480 and 575 v FLA...

Страница 11: ...FF position and close the door The handle should fit over the end of the shaft when the door is closed 8 The handle must be in the OFF position to open the con trol box door OPTIONAL CONVENIENCE OUTLE...

Страница 12: ...SENSOR INSTALLA TION Perform the following procedure to install the out door air enthalpy sensor part no CROUTENT001A00 1 Remove the outdoor air temperature sensor cover See Fig 21 Save cover and scr...

Страница 13: ...section of the unit The DAT is factory wired to the EconoMi er Control Module CO2 CONTROL SETUP If a CO2 sensor is not being used proceed to the next section If a CO2 sensor is being used perform the...

Страница 14: ...conoMi er Switchover Control Strategy Must be selected manually Table 6 Changeover Set Points Field installed accessory Table 7 Default Potentiometer Settings ECONOMI ER SWITCHOVER STRATEGY SENSORS RE...

Страница 15: ...nd Baffles Wind baffles must be field fabricated for all units to ensure proper cooling cycle operation at low ambient temperatures See Fig 25 for baffle details Use 20 gage galvanized sheet metal or...

Страница 16: ...tdoor fan motor no 1 with motor included in accessory kit Existing motor is not Motormaster III compatible Install Motormaster III Controls Only one Motormaster III control is required per unit Sensor...

Страница 17: ...V Unit Shown LEGEND CB Circuit Breaker LLSV Liquid Line Solenoid Valve LPS Low Pressure Switch TB Terminal Block TRAN Transformer NOTES 1 All sensors are located on the eighth hairpin up from the bott...

Страница 18: ...creens must be in place before operating unit Accessory EconoMi er Adjustment Remove filter access panel Check that outdoor air damper blades are closed and return air damper blades are open EconoMi e...

Страница 19: ...coming off the evaporator coils and the liquid is further cooled to a temperature approach ing the evaporator coil leaving air temperature The state of the refrigerant leaving the subcooler coils is...

Страница 20: ...20 Fig 29 MoistureMiser Operation Diagram...

Страница 21: ...field supplied motor may affect wiring size Contact your Carrier representative for details 50HJ015 12 TONS Cfm Available External Static Pressure in wg 0 2 0 4 0 6 0 8 1 0 Rpm Watts Bhp Rpm Watts Bh...

Страница 22: ...3 835 1248 1 44 932 1448 1 67 1024 1657 1 91 1111 1872 2 15 4500 761 1191 1 37 861 1389 1 60 954 1593 1 83 1043 1804 2 07 1127 2022 2 33 4750 792 1339 1 54 887 1541 1 77 977 1749 2 01 1063 1963 2 26 1...

Страница 23: ...790 2088 2 45 860 2360 2 77 926 2638 3 09 988 2920 3 43 1048 3208 3 76 6600 821 2340 2 74 888 2621 3 07 952 2906 3 41 1013 3196 3 75 1070 3491 4 10 6900 852 2611 3 06 917 2900 3 40 979 3194 3 75 1038...

Страница 24: ...36 1111 4747 5 63 1162 4978 5 91 8 500 999 4583 5 44 1053 4803 5 70 1105 5027 5 96 1155 5255 6 23 1204 5485 6 51 9 000 1052 5125 6 08 1103 5345 6 34 1152 5569 6 61 1200 5796 6 88 1247 6025 7 15 9 500...

Страница 25: ...16 42 56 0 20 56 75 0 09 7 500 0 12 14 19 26 34 0 17 42 56 0 21 56 75 0 10 480 3 60 3 750 0 05 15 32 0 06 55 0 07 80 0 03 4 000 0 05 15 32 0 06 55 0 07 80 0 04 5 000 0 07 15 32 0 08 55 0 10 80 0 05 6...

Страница 26: ...178 1156 1134 1112 1091 1069 1047 1025 025 1151 1132 1114 1095 1077 1058 1040 1021 1002 025 1369 1347 1325 1303 1281 1259 1237 1215 1193 UNIT 50HJ NOMINAL HP VOLTAGE MAX WATTS EFF MAX BHP MAX BkW MAX...

Страница 27: ...nt Fig 30 32 Fan motor pulleys are factory set for speed shown in Table 1 To change fan speeds 1 Shut off unit power supply 2 a Size 015 Only Loosen belt by loosening fan motor mounting plate nuts b S...

Страница 28: ...st belt tension 1 Loosen fan motor bolts 2 Adjust belt tension a Size 015 Units Move motor mounting plate up or down for proper belt tension 1 2 in deflection with one finger a Size 017 025 Units Turn...

Страница 29: ...ancels the automatic test procedure If the EconoMi er controller recognized a non critical sensor fault and flashed a code i e FLASH 6 outdoor air humidity sensor fault the FLASH CODE will be cleared...

Страница 30: ...d on the unit to measure liquid pressure entering the subcooler leaving the condenser Filter Drier Replace whenever refrigerant system is ex posed to atmosphere Protective Devices COMPRESSOR PROTECTIO...

Страница 31: ...ckout COMP Compressor Motor CR Control Relay DAT Discharge Air Thermistor DM Damper Motor DU Dummy Terminal EC Enthalpy Control EQUIP Equipment FL Fuse Link FPT Freeze Protection Thermostat FU Fuse GN...

Страница 32: ...32 Fig 36 Typical Wiring Schematic 50HJ017 460v Shown...

Страница 33: ...33 Fig 36 Typical Wiring Schematic 50HJ017 460v Shown cont Fig 37 Typical Component Arrangement 50HJ017 Shown...

Страница 34: ...place Restriction in refrigerant system Locate restriction and remove Compressor operates continuously Dirty air filter Replace filter Unit undersized for load Decrease load or increase unit size Ther...

Страница 35: ...MIN POS to 100 to verify operation and then set to correct setting EconoMi er Changeover Set Point Set Too High or Too Low Set at correct value See Table 6 Discharge Air Thermistor Faulty If STATUS li...

Страница 36: ......

Страница 37: ......

Страница 38: ...ue or change at any time specifications or designs without notice and without incurring obligations PC 111 Catalog No 535 00025 Printed in U S A Form 50HJ 19SI Pg 38 3 01 Replaces 50HJ 16SI Book 1 4 T...

Страница 39: ......

Страница 40: ...HECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND VERIFY SET SCREW IS TIGHT VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED VERIFY THAT SCROLL COMPRESSORS ARE ROTAT...

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