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48

Table 11 -- Unit Wire/Fuse or HACR Breaker Sizing Data (cont)

UN

IT

NOM.

V---Ph---Hz

IFM

TYPE

COMBUSTION

FAN MOTOR

POWER

EXHAUST

w/ PWRD C.O.

NO P.E.

w/ P.E. (pwrd fr/ unit)

FLA

FLA

MCA

FUSE or

HACR

BRKR

DISC. SIZE

MCA

FUSE or

HACR

BRKR

DISC. SIZE

FLA

LRA

FLA

LRA

48H

C

*D

17

208/230---3---60

STD

0.52

5.9

73.1

90.0

77

398

84.9

100.0

90

418

MED

75.8

100.0

80

415

87.6

100.0

93

435

HIGH

80.6

100.0

85

424

92.4

100.0

99

444

460---3---60

STD

0.3

3.1

37.1

45.0

39

236

43.3

50.0

46

248

MED

38.5

50.0

41

245

44.7

50.0

48

257

HIGH

41.1

50.0

44

249

47.3

60.0

51

261

575---3---60

STD

0.24

2.4

27.9

35.0

29

186

32.7

40.0

35

194

MED

27.9

35.0

29

186

32.7

40.0

35

194

HIGH

30.7

40.0

33

200

35.5

45.0

38

208

48H

C

*D

20

208/230---3---60

STD

0.52

5.9

80.5

100

85

445

92.3

100

98

465

MED

85.3

100

90

454

97.1

110

104

474

HIGH

90.7

100

96

464

102.5

125

110

484

460---3---60

STD

0.3

3.1

38.8

50

41

247

45

50

48

259

MED

41.4

50

44

251

47.6

60

51

263

HIGH

44.2

50

47

256

50.4

60

54

268

575---3---60

STD

0.24

2.4

27.9

35

29

188

32.7

40

35

196

MED

30.7

40

33

202

35.5

45

38

210

HIGH

34.1

40

36

200

38.9

45

42

208

48H

C

*D

24

208/230---3---60

STD

0.52

5.9

93.5

110.0

99

549

105.3

125.0

112

569

MED

98.9

125

105

559

110.7

125

119

579

HIGH

112.4

125

120

633

124.2

150

133

653

460---3---60

STD

0.3

3.1

50.8

60.0

54

279

57.0

70.0

61

291

MED

53.6

60

57

284

59.8

70

64

296

HIGH

59.6

70

64

321

65.8

80

71

333

575---3---60

STD

0.24

2.4

37.2

45.0

39

206

42.0

50.0

45

214

MED

40.6

50

43

204

45.4

50

49

212

HIGH

41.1

50

44

231

45.9

50

49

239

48H

C

*D

28

208/230---3---60

STD

0.52

5.9

122.2

150.0

127

589

134.0

175.0

140

609

MED

127.6

175

133

599

139.4

175

147

619

HIGH

140.3

175

148

673

152.1

200

161

693

460---3---60

STD

0.3

3.1

56.2

70.0

59

305

62.4

80.0

66

317

MED

59

70

62

310

65.2

80

70

322

HIGH

65

80

69

347

71.2

80

76

359

575---3---60

STD

0.24

2.4

42.1

50.0

44

230

46.9

60.0

50

238

MED

45.5

60

48

228

50.3

60

54

236

HIGH

46

60

49

255

50.8

60

54

263

NOTE

: See page 49 for table legend and notes.

48H

C

Содержание 48TC*D

Страница 1: ...ensate Trap and Line 19 Step 12 Make Electrical Connections 19 Field Power Supply 19 Units without Factory Installed Disconnect 20 Units with Factory Installed Disconnect 20 All Units 20 Convenience O...

Страница 2: ...ersonal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and p...

Страница 3: ...3 C10896 Fig 1 Unit Dimensional Drawing 17 Size Unit 48HC...

Страница 4: ...4 C10897 Fig 1 Unit Dimensional Drawing 17 Size Unit cont 48HC...

Страница 5: ...5 C10892 Fig 2 Unit Dimensional Drawing 20 and 24 Size Units 48HC...

Страница 6: ...6 C10893 Fig 2 Unit Dimensional Drawing 20 and 24 Size Units cont 48HC...

Страница 7: ...7 C10900 Fig 3 Unit Dimensional Drawing 28 Size Unit 48HC...

Страница 8: ...8 C10901 Fig 3 Unit Dimensional Drawing 28 Size Unit cont 48HC...

Страница 9: ...entilation of the National Fuel Gas Code ANSI Z223 1 American National Standards Institute and NFPA National Fire Protection Association 54 TIA 54 84 1 In Canada installation must be in accordance wit...

Страница 10: ...ions shipped with the curb NOTE The gasketing of the unit to the roof curb is critical for a watertight seal Install gasket supplied with the roof curb as shown in Figs 6 7 and 8 Improperly applied ga...

Страница 11: ...11 C10954 Fig 6 Roof Curb Details 17 Size Unit 48HC...

Страница 12: ...12 C10955 Fig 7 Roof Curb Details 20 and 24 Size Units 48HC...

Страница 13: ...13 C10956 Fig 8 Roof Curb Details 28 Size Unit 48HC...

Страница 14: ...etal edges Be careful when placing any sheet metal parts on such roof CAUTION Step 6 Rig and Place Unit Keep unit upright and do not drop Spreader bars are not required if top crating is left on unit...

Страница 15: ...an economizer on left end under the economizer hood The supply air duct connection is on the back side See Fig 11 for top view depicting typical horizontal duct arrangements Return Air Duct with Econ...

Страница 16: ...ached to the back of the burner access panel Remove the two screws securing the hood to the back of the burner access panel Using the two screws re attach the hood to the front of the burner access pa...

Страница 17: ...to equipment When connecting the gas line to the unit gas valve the installer MUST use a backup wrench to prevent damage to the valve CAUTION Install a gas supply line that runs to the unit heating s...

Страница 18: ...or pipe sizes larger than 1 2 in follow recommendations of national codes 3 Apply joint compound pipe dope sparingly and only to male threads of joint when making pipe connections Use only pipe dope t...

Страница 19: ...ave an uninterrupted unbroken electrical ground to minimize the possibility of personal injury if an electrical fault should occur This ground may consist of electrical wire connected to unit ground l...

Страница 20: ...d fault and short circuit over current protection device fuse or breaker per NEC Article 440 or local codes Refer to unit informative data plate for MOCP Maximum Over current Protection device size Vo...

Страница 21: ...two slot fillers in the bottom of the cover to permit service tool cords to exit the cover Check for full closing and latching RECEPTACLE NOT SHOWN COVER WHILE IN USE WEATHERPROOF BASE PLATE FOR GFCI...

Страница 22: ...ection information Units without Thru Base Connections 1 Install liquid tight conduit between disconnect and control box 2 Pull correctly rated high voltage wires through the conduit 3 Install power l...

Страница 23: ...E If utilizing the through the base connections route the low voltage wire through the wire ties to the central terminal board Rubber Grommet Corner Post Wire Ties Thru the Base Connection C10734 Fig...

Страница 24: ...side of the control box The raceway provides the UL required clearance between high voltage and low voltage wiring 3 Use wire nuts to connect humidistat cable to two PINK leads in the low voltage wir...

Страница 25: ...ing Rc Rh W1 G Y2 C O W2 B Y1 OAT RRS SRTN HUM D1 D2 V Vg X C G W2 W1 Y2 Y1 R EDGE Pro THERMIDISTAT Unit CTB THERMOSTAT Connection not required Humidi MiZer FIOP C09298 Fig 35 Typical Rooftop Unit wit...

Страница 26: ...rnesses connected to the CTB thermostat Field connections are made at a 16 pole terminal block TB3 located at the top of the unit control box in front of the PremierLink controller The factory install...

Страница 27: ...27 C11140 Fig 38 PremierLink Wiring Schematic 48HC...

Страница 28: ...28 C11141 Fig 39 PremierLink Wiring Schematic with Humidi MiZerR 48HC...

Страница 29: ...with field installation of these accessory control devices Enthalpy control outdoor air or differential sensors Space CO2 sensor Outdoor air CO2 sensor Refer to Table 4 for accessory part numbers Fiel...

Страница 30: ...Filter Switch FSD Fire Shutdown IAQ Indoor Air Quality CO2 OAQ Outdoor Air Quality CO2 RH Relative Humidity SFS Supply Fan Status Table 6 Thermostat Mode TB3 TERMINAL FIELD CONNECTION INPUT SIGNAL 1...

Страница 31: ...on the CTB s THERMOSTAT connection strip for these Connect the thermostat s Y1 Y2 W1 W2 and G terminals to PremierLink TB3 as shown in Fig 45 If the 48HC unit is equipped with factory installed smoke...

Страница 32: ...it is drawn into the return airstream Wiring the Indoor Air Quality Sensor For each sensor use two 2 conductor 18 AWG American Wire Gage twisted pair cables unshielded to connect the separate isolate...

Страница 33: ...idity Sensor Installation The sensor must be mounted vertically on the wall The Carrier logo should be orientated correctly when the sensor is properly mounted Avoid corner locations Allow at least 4...

Страница 34: ...tch The PremierLink control can monitor supply fan operation through a field supplied installed differential pressure switch This sequence will prevent or interrupt operation of unit cooling heating a...

Страница 35: ...Individual conductors must be insulated with PVC PVC nylon vinyl Teflon or polyethylene An aluminum polyester 100 foil shield and an outer jacket of PVC PVC nylon chrome vinyl or Teflon with a minimum...

Страница 36: ...i er2 package The RTU Open controller is an integrated component of the Carrier rooftop unit Its internal application programming provides optimum performance and energy efficiency RTU Open enables th...

Страница 37: ...37 C11142 Fig 58 RTU Open System Control Wiring Diagram 48HC...

Страница 38: ...38 C11143 Fig 59 RTU Open System Control Wiring Diagram with Humidi MiZerR 48HC...

Страница 39: ...llation The RTU Open controller requires the use of a Carrier space sensor A standard thermostat cannot be used with the RTU Open system Supply Air Temperature SAT Sensor On FIOP equipped 48HC unit th...

Страница 40: ...sor Connections Connect T 59 The T 59 space sensor requires a separate isolated power supply of 24 VAC See Fig 62 for internal connections at the T 59 Connect the SEN terminal BLU to RTU Open J20 1 Co...

Страница 41: ...erR Control Wiring In units equipped with the Humidi MiZer option there are two pink PNK wires loose in the control box used to control the dehumidification function of the unit These pink wires are m...

Страница 42: ...ory the unit must be configured for filter status by setting MENU Config Inputs input 3 5 8 or 9 to Filter Status and normally open N O or normally closed N C Input 8 or 9 is recommended for easy of i...

Страница 43: ...See Fig 67 and 68 for protocol switch settings and address switches The 3rd party connection to the RTU Open is through plug J19 See Fig 69 for wiring NOTE Power must be cycled after changing the SW1...

Страница 44: ...See Form 48 50HCTQ 01T Appendix A for navigation and screen content Virtual BACview Virtual BACview is a freeware computer program that functions as the BACview6 Handheld The USB Link interface USB L...

Страница 45: ...o 48 50HCTQ 01T for complete configuration of RTU Open operating sequences and troubleshooting information Refer to RTU Open Controller Integration Guide Catalog No 11 808 428 01 for details on config...

Страница 46: ...combination of Supply Air and Return Air Return Air smoke detectors are arranged for vertical return configurations only The unit is factory configured for immediate smoke detector shutdown operation...

Страница 47: ...D 0 3 3 1 34 9 45 0 36 234 41 1 50 0 44 246 MED 36 3 45 0 38 243 42 5 50 0 45 255 HIGH 38 9 50 0 41 247 45 1 50 0 48 259 575 3 60 STD 0 24 2 4 26 2 30 0 27 184 31 0 40 0 33 192 MED 26 2 30 0 27 184 31...

Страница 48: ...48 259 MED 41 4 50 44 251 47 6 60 51 263 HIGH 44 2 50 47 256 50 4 60 54 268 575 3 60 STD 0 24 2 4 27 9 35 29 188 32 7 40 35 196 MED 30 7 40 33 202 35 5 45 38 210 HIGH 34 1 40 36 200 38 9 45 42 208 48H...

Страница 49: ...operate a motor where a phase imbalance in supply voltage is greater than 2 Use the following formula to de termine the percentage of voltage imbalance Voltage Imbalance 100 x max voltage deviation f...

Страница 50: ...e connection kit must be installed before unit is set on curb LP conversion kit Manual outside air damper High Altitude Gas kits Low Ambient Controls Thermostat Sensors Two Position motorized outside...

Страница 51: ...51 48HC...

Страница 52: ...W Morris St D Indianapolis IN 46231 Printed in U S A Edition Date 04 11 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog...

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