Carrier COBRA 48HJ004-014 Installation And Service Download Page 25

25

Table 1H — Electrical Data (COBRA™ Energy Recovery 50HJ008-014 Units with 62AQ300)

UNIT

NOMINAL

V-PH-Hz

IFM

TYPE

CONV

OUTLET 

62AQ

FLA

HEATER

CRHEATER

---A00

 HEAT

POWER SUPPLY

SINGLE

POINT BOX

CRSINGLE

---A00

DISCONNECT SIZE*

FLA

MCA

FUSE OR

HACR BKR

MOCP

FLA

LRA

50HJ008

208/230-3-60

STD

NO

29.8

NONE

—/—

68.0/ 68.0

80/80

75/ 75

420/420

017

21.7/ 25.0

68.7/ 72.9

90/ 90

007

75/ 75

420/420

010

33.4/ 38.5

83.3/ 89.7

100/100

007

81/ 87

420/420

011

51.7/ 59.7

106.2/116.2

125/125

009

102/112

420/420

012

66.7/ 77.0

125.0/137.8

150/150

009

120/131

420/420

012+017

88.4/102.0

152.1/169.1

175/175

009

145/160

420/420

STD

YES

29.8

NONE

—/—

74.0/ 74.0

80/80

80/ 80

425/425

017

21.7/ 25.0

74.0/ 77.1

90/ 90

007

80/ 80

425/425

010

33.4/ 38.5

88.1/ 93.9

100/110

009

87/ 92

425/425

011

51.7/ 59.7

111.0/120.4

125/125

009

108/116

425/425

012

66.7/ 77.0

129.8/142.0

150/150

009

125/136

425/425

012+017

88.4/102.0

156.9/173.3

175/175

009

150/165

425/425

HIGH STATIC

NO

29.8

NONE

—/—

71.1/ 71.1

80/80

78/ 78

445/445

017

21.7/ 25.0

71.8/ 76.0

90/ 90

007

78/ 78

445/445

010

33.4/ 38.5

86.4/ 92.8

100/110

009

85/ 91

445/445

011

51.7/ 59.7

109.3/119.3

125/125

009

106/115

445/445

012

66.7/ 77.0

128.1/140.9

150/150

009

123/135

445/445

012+017

88.4/102.0

155.2/172.2

175/175

009

148/164

445/445

HIGH STATIC

YES

29.8

NONE

—/—

77.1/ 77.1

80/80

84/ 84

449/449

017

21.7/ 25.0

77.1/ 80.2

90/100

007

84/ 84

449/449

010

33.4/ 38.5

91.2/ 97.0

110/110

009

90/ 96

449/449

011

51.7/ 59.7

114.1/123.5

125/150

009

111/120

449/449

012

66.7/ 77.0

132.9/145.1

150/150

009

129/140

449/449

012+017

88.4/102.0

160.0/176.4

175/200

009

154/169

449/449

460-3-60

STD

NO 15.8

NONE

35.0

40.0

38.0

211.0

016

16.7

44.4

60.0

006

41.0

211.0

013

19.8

48.3

60.0

006

45.0

211.0

014

33.4

65.3

80.0

008

61.0

211.0

015

39.7

73.1

90.0

008

68.0

211.0

014+016

50.2

86.2

100.0

010

80.0

211.0

STD

YES

15.8

NONE

37.7

40.0

41.0

213.0

016

16.7

46.5

60.0

006

44.0

213.0

013

19.8

50.4

60.0

006

47.0

213.0

014

33.4

67.4

80.0

008

63.0

213.0

015

39.7

75.2

90.0

008

70.0

213.0

014+016

50.2

88.3

100.0

010

82.0

213.0

HIGH STATIC

NO

15.8

NONE

36.4

40.0

40.0

223.0

016

16.7

45.8

60.0

006

43.0

224.0

013

19.8

49.7

60.0

006

47.0

224.0

014

33.4

66.7

80.0

008

62.0

224.0

015

39.7

74.5

90.0

008

69.0

224.0

014+016

50.2

87.6

100.0

010

81.0

224.0

HIGH STATIC

YES

15.8

NONE

39.1

45.0

43.0

225.0

016

16.7

47.9

60.0

006

45.0

226.0

013

19.8

51.8

60.0

006

49.0

226.0

014

33.4

68.8

80.0

008

65.0

226.0

015

39.7

76.6

90.0

008

72.0

226.0

014+016

50.2

89.7

100.0

010

84.0

226.0

50HJ009

208/230-3-60

STD

NO

29.8

NONE

—/—

70.0/ 70.0

80/80

77/ 77

454/454

017

21.7/ 25.0

70.0/ 72.9

90/ 90

012

77/ 77

454/454

010

33.4/ 38.5

83.3/ 89.7

100/100

012

81/ 87

454/454

011

51.7/ 59.7

106.2/116.2

125/125

015

102/112

454/454

012

66.7/ 77.0

125.0/137.8

150/150

015

120/131

454/454

012+017

88.4/102.0

152.1/169.1

175/175

015

145/160

454/454

STD

YES

29.8

NONE

—/—

76.0/ 76.0

80/80

82/ 82

459/459

017

21.7/ 25.0

76.0/ 77.1

90/ 90

012

82/ 82

459/459

010

33.4/ 38.5

88.1/ 93.9

100/110

015

87/ 92

459/459

011

51.7/ 59.7

111.0/120.4

125/125

015

108/116

459/459

012

66.7/ 77.0

129.8/142.0

150/150

015

125/136

459/459

012+017

88.4/102.0

156.9/173.3

175/175

015

150/165

459/459

HIGH STATIC

NO

29.8

NONE

—/—

73.1/ 73.1

80/80

80/ 80

479/479

017

21.7/ 25.0

73.1/ 76.0

90/ 90

012

80/ 80

479/479

010

33.4/ 38.5

86.4/ 92.8

100/110

015

85/ 91

479/479

011

51.7/ 59.7

109.3/119.3

125/125

015

106/115

479/479

012

66.7/ 77.0

128.1/140.9

150/150

015

123/135

479/479

012+017

88.4/102.0

155.2/172.2

175/175

015

148/164

479/479

HIGH STATIC

YES

29.8

NONE

—/—

79.1/ 79.1

80/80

86/ 86

483/483

017

21.7/ 25.0

79.1/ 80.2

90/100

012

86/ 86

483/483

010

33.4/ 38.5

91.2/ 97.0

110/110

015

90/ 96

483/483

011

51.7/ 59.7

114.1/123.5

125/150

015

111/120

483/483

012

66.7/ 77.0

132.9/145.1

150/150

015

129/140

483/483

012+017

88.4/102.0

160.0/176.4

175/200

015

154/169

483/483

460-3-60

STD

NO

15.8

NONE

37.3

40.0

41.0

233.0

016

16.7

44.4

60.0

011

41.0

233.0

013

19.8

48.3

60.0

011

45.0

233.0

014

33.4

65.3

80.0

014

61.0

233.0

015

39.7

73.1

90.0

014

68.0

233.0

014+016

50.2

86.2

100.0

016

80.0

233.0

STD

YES

15.8

NONE

40.0

45.0

43.0

235.0

016

16.7

46.5

60.0

011

44.0

235.0

013

19.8

50.4

60.0

011

47.0

235.0

014

33.4

67.4

80.0

014

63.0

235.0

015

39.7

75.2

90.0

014

70.0

235.0

014+016

50.2

88.3

100.0

016

82.0

235.0

HIGH STATIC

NO

15.8

NONE

38.7

45.0

42.0

245.0

016

16.7

45.8

60.0

011

43.0

246.0

013

19.8

49.7

60.0

011

47.0

246.0

014

33.4

66.7

80.0

014

62.0

246.0

015

39.7

74.5

90.0

014

69.0

246.0

014+016

50.2

87.6

100.0

016

81.0

246.0

HIGH STATIC

YES

15.8

NONE

41.4

45.0

45.0

247.0

016

16.7

47.9

60.0

011

45.0

248.0

013

19.8

51.8

60.0

011

49.0

248.0

014

33.4

68.8

80.0

014

65.0

248.0

015

39.7

76.6

90.0

014

72.0

248.0

014+016

50.2

89.7

100.0

016

84.0

248.0

Summary of Contents for COBRA 48HJ004-014

Page 1: ...in the literature tags and labels attached to the unit and other safety precautions that apply Verify that the power source supplied to the unit matches the voltages and amperages listed on the unit...

Page 2: ...ry section Assemble and install accessory roof curb in accordance with instructions shipped with curb See Fig 2A 4 Install insu lation cant strips roofing felt and counter flashing as shown Ductwork m...

Page 3: ...nnect duct work to unit Insulate and weatherproof all external ductwork joints and roof openings with counter flashing and mastic in accordance with applicable codes See Fig 5A and 5B for duct dimensi...

Page 4: ...de 7 Direction of airflow 8 Connector packages CRBTMPWR001A00 and 002A00 are for thru the curb type gas Packages CRBTMPWR003A00 and 004A00 are for thru the bottom type gas connections CONNECTOR PKG AC...

Page 5: ...ductwork to curb flanges of duct rest on curb 6 Service clearance 4 ft on each side 7 Direction of airflow 8 Connector packages CRBTMPWR001A00 and 2A00 are for thru the curb gas type Packages CRBTMPWR...

Page 6: ...f and overhangs Flue vent discharge must have a minimum horizontal clear ance of 4 ft from electric and gas meters gas regulators and gas relief equipment Minimum distance between unit and other elect...

Page 7: ...7 RIGHT SIDE REAR RIGHT SIDE FRONT LEFT SIDE FRONT LEFT SIDE Fig 5A Base Unit Dimensions COBRA Energy Recovery Unit 48 50HJ004 007 with 62AQ060 100...

Page 8: ...8 Fig 5A Base Unit Dimensions COBRA Energy Recovery Unit 48 50HJ004 007 with 62AQ060 100 cont...

Page 9: ...9 Fig 5B Base Unit Dimensions COBRA Energy Recovery Unit 48 50HJ008 014 with 62AQ200 300...

Page 10: ...10 Fig 5B Base Unit Dimensions COBRA Energy Recovery Unit 48 50HJ008 014 with 62AQ200 300 cont...

Page 11: ...jury if an electrical fault should occur This ground may consist of electrical wire connected to unit ground lug in control com partment or conduit approved for electrical ground when installed in acc...

Page 12: ...se average temperature in accordance with thermidistat installation instruc tions on page 30 Connect thermidistat wires to terminal board Route thermidistat cable or equivalent single leads of col ore...

Page 13: ...FUSE OR HACR BKR FLA LRA 48HJ004 208 230 1 60 STD NO 9 2 34 8 34 8 40 40 35 35 135 135 STD YES 9 2 40 8 40 8 45 45 41 41 140 140 208 230 3 60 STD NO 9 2 27 7 27 7 35 35 29 29 124 124 STD YES 9 2 33 7...

Page 14: ...7 20 14 63 007 10 6 20 9 25 15 63 008 13 8 25 0 25 24 63 009 16 8 28 7 30 27 63 STD YES 9 2 NONE 16 3 20 20 67 006 7 2 18 8 25 20 68 007 10 6 23 0 25 20 68 008 13 8 27 1 30 29 68 009 16 8 30 8 35 32...

Page 15: ...1 4 36 3 64 3 69 7 70 70 005 62 67 255 255 002 002 46 9 54 2 83 7 92 1 90 100 005 80 88 255 255 003 003 62 8 72 5 103 5 115 0 110 125 005 98 109 255 255 004 004 75 8 87 5 119 8 133 8 125 150 005 113 1...

Page 16: ...NONE 48 0 48 0 60 60 48 48 239 239 002 13 6 15 6 48 0 48 0 60 60 48 48 239 239 004 21 9 25 3 48 9 52 5 60 60 48 51 239 239 005 33 4 38 5 63 2 69 1 70 70 003 61 66 239 239 004 004 43 8 50 5 76 3 84 1...

Page 17: ...6 25 24 95 48HJ005 208 230 1 60 STD NO 15 1 50 3 50 3 60 60 51 51 199 199 STD YES 15 1 56 3 56 3 70 70 57 57 204 204 208 230 3 60 STD NO 15 1 37 6 37 6 45 45 39 39 166 166 STD YES 15 1 43 6 43 6 50 5...

Page 18: ...77 008 13 8 28 4 35 0 025 27 80 009 16 8 32 1 35 0 025 31 83 STD YES 15 1 NONE 19 2 20 0 23 80 006 7 2 22 2 30 0 23 81 007 10 6 26 4 30 0 23 81 008 13 8 30 5 35 0 025 32 82 009 16 8 34 2 40 0 025 35 8...

Page 19: ...67 4 67 4 80 80 68 68 281 281 002 23 5 27 1 67 4 67 4 80 80 004 68 68 281 281 003 31 4 36 3 70 6 76 0 80 80 005 69 74 281 281 002 002 46 9 54 2 90 0 98 4 90 100 005 87 95 281 281 003 003 62 8 72 5 10...

Page 20: ...0 260 004 005 55 2 63 8 92 6 103 2 100 110 003 88 97 260 260 STD YES 15 1 NONE 53 9 53 9 60 60 55 55 265 265 002 13 6 15 6 53 9 53 9 60 60 55 55 265 265 004 21 9 25 3 55 7 59 3 70 70 002 55 58 265 265...

Page 21: ...21 9 63 2 70 69 391 HIGH STATIC YES 21 9 69 2 80 75 395 460 3 60 STD NO 10 2 29 4 35 32 184 STD YES 10 2 32 1 35 34 186 HIGH STATIC NO 10 2 30 8 35 34 197 HIGH STATIC YES 10 2 33 5 35 36 199 48HJ009...

Page 22: ...197 0 HIGH STATIC YES 10 2 NONE 33 5 35 0 36 0 198 0 016 16 7 39 6 45 0 006 39 0 199 0 013 19 8 43 5 45 0 006 42 0 199 0 014 33 4 60 5 70 0 008 58 0 199 0 015 39 7 68 3 70 0 008 65 0 199 0 014 016 50...

Page 23: ...5 150 165 493 493 010 012 104 2 120 3 175 7 165 1 200 200 168 186 493 493 460 3 60 STD NO 10 2 NONE 35 1 40 0 38 0 233 0 016 16 7 37 5 40 0 011 38 0 234 0 013 19 8 41 4 45 0 011 40 0 234 0 015 39 7 66...

Page 24: ...8 71 1 80 78 445 HIGH STATIC YES 29 8 77 1 80 84 449 460 3 60 STD NO 15 8 35 0 40 38 211 STD YES 15 8 37 7 40 41 213 HIGH STATIC NO 15 8 36 4 40 40 224 HIGH STATIC YES 15 8 39 1 45 43 226 48HJ009 208...

Page 25: ...24 0 HIGH STATIC YES 15 8 NONE 39 1 45 0 43 0 225 0 016 16 7 47 9 60 0 006 45 0 226 0 013 19 8 51 8 60 0 006 49 0 226 0 014 33 4 68 8 80 0 008 65 0 226 0 015 39 7 76 6 90 0 008 72 0 226 0 014 016 50 2...

Page 26: ...200 159 174 547 547 010 012 104 2 120 3 184 2 173 6 200 200 177 195 547 547 460 3 60 STD NO 15 8 NONE 40 7 45 0 44 0 260 0 016 16 7 45 8 60 0 011 44 0 261 0 013 19 8 49 7 60 0 011 47 0 261 0 014 33 4...

Page 27: ...mpressor IFC Indoor Fan Contactor NEC National Electrical Code TB Terminal Block 208 230 1 60 208 230 3 60 460 3 60 SIZE 007 ONLY 575 3 60 SIZE 007 ONLY 208 230 3 60 575 3 60 460 3 60 SIZES 004 006 20...

Page 28: ...ews along the top as shown in Fig 11 Step 10 Mount the Barometric Relief Damper The hood kit supplied with the energy recovery section is needed to complete this installation The exhaust air hood that...

Page 29: ...thermostat set at 55 F which locks out mechanical cooling on the RTU rooftop unit and the energy recovery section compressor If this feature is not desirable the rooftop unit s compressor can be allow...

Page 30: ...unted Close to a window on an outside wall or next to a door leading to the outside Exposed to direct light and heat from a lamp sun fire place or other temperature radiating object that may cause a f...

Page 31: ...t Option 21 Keyboard lock TO ENTER CONFIGURATION MODE Press and hold FAN button for approximately 10 seconds until COOL set point display indicates a flashing 01 The Light Commercial Thermidistat is n...

Page 32: ...Heat Set Point This selection deter mines the heating set point 40 to 90 minus deadband F when the HOLIDAY function is active TO SELECT 1 Enter Configuration mode Use up and down buttons to make smal...

Page 33: ...eypad will return to lock once the keypad is idle for a 2 minute period or immedi ately if after exiting the Configuration mode 4 Press SET TIME TEMP button again to flash upper small display for sele...

Page 34: ...e and humidity pro tection for the building in all seasons but not comfort Holiday Set Points The settings for HEAT COOL and DEHUM should have been done in the Configuration mode Options 9 10 and 11 O...

Page 35: ...nections for proper locations Ensure connections are tight Cooling Set Light Commercial Thermidistat mode selec tion to Cooling and fan mode to Auto Ensure thermostat has been adjusted to a setting b...

Page 36: ...R MIXED AIR CONDENSER COMPRESSOR E V A P O R A T O R EVAPORATOR ROOFTOP UNIT ROOF LINE OUTSIDE AIR EXHAUST AIR ENERGY RECOVERY SECTION Fig 17 Unit Operation Flow Diagram Fig 18 Fuse Box 48HJ012 014 20...

Page 37: ...0 Indoor Temperature Below 2nd Stage Set Point Off Off Off On cyc On 100 OCCUPIED COOLING ER Comp ER Fans RT Comp 1 RT Comp 2 RT Fan RT Heat Indoor Temperature Above 2nd Stage Set Point Humidity Low O...

Page 38: ...OCR Occupied Relay OF Outdoor Fan OFM Outdoor Fan Motor OLR Overload Relay PL Plug Assembly QT Quadruple Terminal RS Rollout Switch RVS Reversing Valve Solenoid SEN Sensor TB Terminal Block TRAN Trans...

Page 39: ...39 Fig 19 Typical Wiring Schematic Standard Controls cont...

Page 40: ...8 9 10 11 12 NK PNK VIO VIO GRA ORN PNK PNK ACCUSENSOR TR TR1 3 2 GRA GRA GRA GRA GRA SAT ORN BLK RED Space Temp Set Point Adjustment Indoor Air Quality Sensor OAT PNK VIO YEL YEL BLU BLU EconomiSer2...

Page 41: ...r Replace and determine cause Insufficient line voltage Determine cause and correct Blocked outdoor coil or dirty air filter Determine cause and correct Defective run start capacitor overload or start...

Page 42: ...at any time specifications or designs without notice and without incurring obligations PC 111 Catalog No 534 80122 Printed in U S A Form 48 50HJ 62AQ 2SIS Pg 42 9 02 Replaces 48 50HJ 62AQ 1SIS Copyrig...

Page 43: ...RUCTIONS 62AQ300 BELT DRIVE EXHAUST FAN AND SUPPLY FAN III START UP COMBINED ELECTRICAL COBRA ENERGY RECOVERY UNIT TEMPERATURES PRESSURES IN COOLING MODE ROOFTOP UNIT VERIFY REFRIGERANT CHARGE USING C...

Page 44: ...Book 1 1 4 4 Tab 1a 1b 6a 6b III START UP cont AIRFLOWS 62AQ SUPPLY AIR CFM MOTOR SPEED Circle One LOW MEDIUM HIGH DAMPER SETTING Circle One 30 45 60 90 EXHAUST AIR CFM MOTOR SPEED Circle One LOW MEDI...

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