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Carrier WeatherMaker 50A020-060, Installation Instructions Manual

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Carrier WeatherMaker 50A020-060 Installation Instructions Manual Download Page 20

20

 F

ig. 

15

 — Rigging 

Info

rmat

io

n

NOTE:

Add 312 lbs (142 kg) for export crating. (027-035 units)

Add 346 lbs (157 kg) for export crating. (040-050 units)

Add 588 lbs (266 kg) for export crating. (060 units)

Add the weights shown below for round tube plate fin coils

50EJ500305 REV 2.0

Unit Size ----------

027

030-035

040

050

060

Copper T

ube/Aluminum Fin Cond Coil

105 lbs (48 kg)

160 lbs (72 kg)

192 lbs (87 kg)

317 lbs (144 kg)

26 lbs (12 kg)

Copper T

ube/Copper Fin Cond.Coil

268 lbs (122 kg)

377 lbs (171 kg)

518 lbs (235 kg)

751 lbs (341 kg)

677 lbs (307 kg)

The weight distribution and center of gravity information are representative of a standard unit and include the impact of facto

ry installed economizer

, largest IFM

motor & VFD, modulating power exhaust (both factory installed and field installed options), and electric heat (on 50A

 only).

LBS

4854

4944

5024

4932

4984

5064

4834

4924

5004

4912

4964

5044

5121

5326

5486

5314

5366

5526

5559

5764

5924

5752

5804

5964

5744

5949

6109

5937

5989

6149

831

1

8386

8626

8526

8426

8676

KGS

2202

2243

2279

2237

2261

2297

2193

2233

2270

2228

2252

2288

2323

2416

2489

241

1

2434

2507

2521

2614

2687

2609

2633

2705

2606

2699

2771

2693

2717

2789

3770

3804

3913

3868

3822

3936

INCHES

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

87.7 

161.7

161.7

161.7

161.7

161.7

161.7

MM

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

2227

4106

4106

4106

4106

4106

4106

INCHES

97.2

96.1

95.6

93.6 

92.7 

92.3 

95.2

94.0

93.6

91.6 

90.6 

90.3 

95.9 

94.8 

94.2 

92.7 

91.7 

91.3 

121.8 

120.3 

1

1

8.8 

1

1

6.5 

1

1

5.1 

1

1

3.9 

1

1

9.5 

1

1

8.1 

1

1

6.6 

1

1

4.3 

1

1

2.9 

1

1

1.7 

184.9

177.6

170.4

176.5

169.6

163.3

MM

2469

2441

2428

2379

2354

2344

2417

2389

2376

2327

2302

2293

2436

2408

2394

2354

2329

2318

3094

3056

3018

2958

2924

2893

3035

2999

2962

2904

2868

2837

4698

451

1

4329

4484

4309

4147

INCHES

44.1

43.7

43.4

48.4

48.0

47.7

44.4

44.0

43.7

48.8

48.3

48.0

41.4

41.0

40.7

45.7

45.3

44.9

41

41

41

45.4

44.9

44.6

42

41

41

45.5

45.1

44.7

43

41

39

47.1

45.2

43.2

MM

11

2

0

111

0

11

0

2

1230

1220

121

1

11

2

8

111

8

111

0

1238

1228

1219

1053

1042

1035

11

6

2

11

5

1

11

4

1

1052

1041

1033

11

5

2

11

4

2

11

3

2

1059

1048

1040

11

5

6

11

4

5

11

3

5

11

0

2

1049

996

11

9

6

11

4

9

1097

50A2/A3/A6/A7 027

48A2/A3/A6/A7D 027

48A2/A3/A6/A7E 027

50A4/A5/A8/A9 027

48A4/A5/A8/A9D 027

48A4/A5/A8/A9E 027

50A2/A3/A6/A7 030

48A2/A3/A6/A7D 030

48A2/A3/A6/A7E 030

50A4/A5/A8/A9 030

48A4/A5/A8/A9D 030

48A4/A5/A8/A9E 030

50A2/A3/A6/A7 035

48A2/A3/A6/A7D 035

48A2/A3/A6/A7E 035

50A4/A5/A8/A9 035

48A4/A5/A8/A9D 035

48A4/A5/A8/A9E 035

50A2/A3/A6/A7 040

48A2/A3/A6/A7D 040

48A2/A3/A6/A7E 040

50A4/A5/A8/A9 040

48A4/A5/A8/A9D 040

48A4/A5/A8/A9E 040

50A2/A3/A6/A7 050

48A2/A3/A6/A7D 050

48A2/A3/A6/A7E 050

50A4/A5/A8/A9 050

48A4/A5/A8/A9D 050

48A4/A5/A8/A9E 050

50A2/A3/A6/A7 060

48A2/A3/A6/A7D 060

48A2/A3/A6/A7E 060

50A4/A5/A8/A9 060

48A4/A5/A8/A9D 060

48A4/A5/A8/A9E 060

MODEL

BC

WEIGHT

A

Summary of Contents for WeatherMaker 50A020-060

Page 1: ...he unit and other safety precautions that may apply Follow all safety codes Wear safety glasses and work gloves Use quenching cloth for unbrazing operations Have fire extinguishers available for all brazing operations WARNING Before performing service or maintenance operations on unit turn off main power switch to unit Electrical shock could cause personal injury CAUTION Puron refrigerant R 410A s...

Page 2: ...inate line of sight noise to the space Face the entrance of the return duct away from other adjacent units Acoustic Insulation Provide acoustic interior lining for first 20 ft of supply and return duct or until the first elbow is encountered The elbow prevents line of sight transmission in the sup ply and return ducts Install a double layer of 2 in low density quilted fiber glass acoustical pad wi...

Page 3: ...twork Ducts passing through an unconditioned space must be in sulated and covered with a vapor barrier Outlet grilles must not lie directly below unit discharge The return duct must have a 90 degree elbow before opening into the building space if the unit is equipped with power exhaust To attach ductwork to roof curb insert duct approximately 10 to 11 in up into roof curb Connect ductwork to 14 ga...

Page 4: ...ssory CRRFCURB005A00 is shipped disassembled 3 All roof curb parts are to be 14 ga galvanized steel 4 Units with electric heat must be installed with a 90 degree elbow on the supply duct prior to any supply take offs or branches 5 Dimensions in are in millimeters All other dimensions are in inches 48A2 A3 A6 A7 035 HIGH GAS HEAT ONLY ...

Page 5: ...rt 2 Roof curb accessory CRRFCURB006A00 is shipped disassembled 3 All roof curb parts are to be 14 ga galvanized steel 4 Units with electric heat must be installed with a 90 degree elbow on the supply duct prior to any supply take offs or branches 5 Dimensions in are in millimeters All other dimensions are in inches ...

Page 6: ... 2 Roof curb accessory CRRFCURB014A00 is shipped disassembled 3 All roof curb parts are to be 14 ga galvanized steel 4 Units with electric heat must be installed with a 90 degree elbow on the supply duct prior to any supply take offs or branches 5 Dimensions in are in millimeters All other dimensions are in inches ...

Page 7: ...utside of part 2 Roof curb accessory CRRFCURB009A00 is shipped disassembled 3 All roof curb parts are to be 14 ga galvanized steel 4 Units with electric heat must be installed with a 90 degree elbow on the supply duct prior to any supply take offs or branches 5 Dimensions in are in millimeters All other dimensions are in inches ...

Page 8: ...8 Fig 6 Base Unit Dimensions 50A2 A3 A6 A7020 035 ...

Page 9: ...orator coil 4 Bottom ducts are designed to be attached to acces sory roof curb If unit is mounted on dunnage it is recommended that the ducts be supported by cross braces as done on accessory roof curb 5 Dimensions in are in millimeters All other dimen sions are in inches Operating weight includes largest indoor fan motor microchannel heat exchanger modulating power exhaust variable air volume uni...

Page 10: ...10 Fig 8 Base Unit Dimensions 50A4 A5 A8 A9020 035 ...

Page 11: ...oil 4 0 1219 Economizer side 6 0 1829 Heat side 4 0 1219 Filter access side 10 0 3048 for removal of evaporator coil 4 Dimensions in are in millimeters All other dimensions are in inches Operating weight includes largest indoor fan motor microchannel heat exchanger modulating power exhaust variable air volume units and variable frequency drive variable air volume units ...

Page 12: ...7 444 42 31 1075 18 25 464 31 25 795 OPENING 45 44 1154 OPENING HOOD REMOVED DAMPER OPENING WITH HOOD WITH PANEL PANEL REMOVED VIEW A A NO POWER EXHAUST OR BAROMETRIC RELIEF INDOOR BLOWER ACCESS PANEL HEAT SECTION ACCESS PANEL MCHX COILS V F D OVERALL LIFTING SHIPPING DIM LIFTING POSITION BASE FRAME TYP 4 PLACES ECONOMIZER HOODS HOODS FIELD INSTALLED INCLUDED WITH UNIT 3 REQ D INDOOR MOTOR ACCESS ...

Page 13: ...13 88 353 0 75 NPT LOW VOLTAGE 19 3 50 NPT FIELD POWER 89 6 97 177 0 13 20 335 3 5 12 130 0 12 93 328 3 150 47 3822 0 12 63 320 8 VIEW A A INDOOR BLOWER ACCESS PANEL HEAT SECTION ACCESS PANEL MCHX COILS V F D OVERALL LIFTING SHIPPING DIM LIFTING POSITION BASE FRAME TYP 4 PLACES ECONOMIZER HOODS HOODS FIELD INSTALLED INCLUDED WITH UNIT 3 REQ D INDOOR MOTOR ACCESS DOOR HINGED FILTER AUX CONTROL BOX ...

Page 14: ...ANEL INDOOR BLOWER ACCESS PANEL CONDENSER COIL BOTH SIDES MAIN CONTROL BOX V F D V F D A A 3 50 89 NPT FIELD POWER 75 19 NPT LOW VOLTAGE LOW SOUND OUTDOOR FAN OPTION ONLY ALL FAN POSITIONS STANDARD OUTDOOR FAN HOOD REMOVED DAMPER OPENING WITH HOOD WITH PANEL PANEL REMOVED VIEW A A NO POWER EXHAUST OR BAROMETRIC RELIEF OVERALL LIFTING SHIPPING DIM LIFTING POSITION BASE FRAME TYP 4 PLACES ECONOMIZER...

Page 15: ...ASE FRAME LIFTING POSITION OVERALL LIFTING SHIPPING DIM MAIN CONTROL BOX INSIDE BASE RAILS 1 375 35 DIA HOLE IN LIFTING LUG V F D V F D VIEW A A A A 3 50 89 NPT FIELD POWER SUPPLY AIR 75 19 NPT LOW VOLTAGE 73 12 1857 42 56 1081 20 18 513 2 10 53 82 02 2083 2 99 76 8 05 204 24 40 620 29 40 747 85 09 2161 311 28 7906 6 22 72 577 94 00 2388 91 50 2324 88 00 2235 49 53 1258 133 69 3396 88 24 TOP COVER...

Page 16: ...nclude outdoor air hoods and filters indoor fan motor is not included Add indoor fan motor FIOPs and accesso ries for total operating weight 6 VAV motor weights include indoor motor VFD VFD transducer and associated wiring 7 Dimensions in are in millimeters All other dimensions are in inches 8 For side supply return applications a single return and supply ductwork connection is recommended for cov...

Page 17: ...4 4 14 4 14 4 EVAPORATOR FAN Centrifugal Type Quantity Size in 2 20 X 15 2 20 X 15 2 20 X 15 2 20 X 15 Type Drive Belt Belt Belt Belt Nominal Cfm 8 000 10 000 11 000 12 000 Motor Hp 5 10 15 5 10 15 10 15 20 10 15 20 Motor Frame Size 184T 215T 254T 184T 215T 254T 215T 254T 256T 215T 254T 256T Motor Bearing Type Ball Ball Ball Ball Maximum Allowable Rpm 1200 1200 1200 1200 Motor Pulley Pitch Diamete...

Page 18: ...y Size in 2 20 X 15 2 20 X 15 2 20 X 15 3 20 X 15 Type Drive Belt Belt Belt Belt Nominal Cfm 14 000 16 000 18 000 24 000 Motor Hp 15 20 25 15 20 25 20 25 30 25 30 40 Motor Frame Size 254T 256T 284T 254T 256T 284T 256T 284T 286T 284T 286T 324T Motor Bearing Type Ball Ball Ball Ball Maximum Allowable Rpm 1300 1300 1300 1200 Motor Pulley Pitch Diameter in 5 1 5 7 6 2 5 3 5 7 7 5 5 7 6 2 6 7 5 3 5 9 6...

Page 19: ...d Coil 100 100 100 150 150 187 317 26 Cu Tube Cu Fin Cond Coil 263 263 263 370 370 512 751 677 OA Hood Crate Packaging Less Hoods Weight 45 45 45 45 45 45 45 45 Packaging Only Outdoor Air Hoods Filters included with unit 170 170 170 170 170 170 170 255 Hail Guards 73 73 73 73 73 146 146 219 Roof Curb 14 in 365 365 365 365 365 410 410 540 Double Wall 275 275 275 275 275 275 275 375 Humidi MiZer Coi...

Page 20: ...227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 2227 4106 4106 4106 4106 4106 4106 INCHES 97 2 96 1 95 6 93 6 92 7 92 3 95 2 94 0 93 6 91 6 90 6 90 3 95 9 94 8 94 2 92 7 91 7 91 3 121 8 120 3 118 8 116 5 115 1 113 9 119 5 118 1 116 6 114 3 112 9 111 7 184 9 177 6 170 4 176 5 169 6 163 3 MM 2469 2441 2428 2379 2354 2344 2417 238...

Page 21: ... DIAMETER in BUSHING DIAMETER in BELT QUANTITY P N BELT TENSION lb at 25 in 020 5 1 125 717 BK55 4 8 NONE 1 125 1B5V124 12 4 B 1 9375 BX56 8 10 1 375 924 2BK50 4 4 NONE 1 375 2B5V86 8 6 B 1 9375 2 BX50 8 15 1 625 1096 2B5V56 5 7 B 1 625 2B5V90 9 1 B 1 9375 2 5VX530 9 025 5 1 125 773 BK55 5 2 NONE 1 125 1B5V124 12 4 B 1 9375 BX56 8 10 1 375 962 1B5V60 6 1 H 1 375 1B5V110 11 1 B 1 9375 5VX570 11 15 ...

Page 22: ...Wiring section on page 21 Low voltage wiring must be run in watertight conduit from the basepan to control box and through 7 8 in diameter hole provided in bottom of unit control box Field supplied strain re lief must be used going into the box After wiring is in control box make connections to proper terminals on terminal blocks see Field Control Wiring section on page 23 Routing Through Side of ...

Page 23: ... also include time of day scheduling or use the scheduling routines built into the ComfortLink controls Install thermostat according to the installation instructions in cluded with accessory thermostat Locate thermostat assembly on a solid interior wall in the conditioned space to sense average tem perature Route thermostat cable or equivalent single leads of colored wire from subbase terminals th...

Page 24: ...lected a similar color code should be adopted for the entire network At each system element the shields of the communication bus cables must be tied together If the communication bus is entirely within one building the resulting continuous shield must be connected to a ground at one point only If the communication bus cable exits from one building and enters another the shields must be connected t...

Page 25: ...orts a switch input for remote occupancy signals This wiring can be connected to terminal TB6 terminal 1 and 3 Smoke Sensor Interface The ComfortLink controls include an optional factory installed return air smoke detector Remote alarm circuits can be wired to TB5 terminal 8 and 9 Fire Shutdown and Smoke Control The control supports interface to fire and smoke control systems and allows for the fo...

Page 26: ...nges of hood sides being sure to cover mounting holes See Fig 28 6 Apply black seal strip provided to back of hood top mounting flange Seal strip of hood top mounting flange must press tightly against seal strip of hood side mount ing flanges See Fig 28 7 Attach gray foam strip provided to block off baffle on outer face of flange See Fig 29 8 Remove the screws on each end and along top of the out ...

Page 27: ...affle to the Unit Fig 32 Correctly Assembled Bottom Filter Assembly Sizes 020 035 Only FILTER ASSEMBLY MOUNTING ANGLE FASTENED TO BOTTOM OF FILTER ASSEMBLY FLANGE POINTING DOWN FILTER ASSEMBLY MOUNTING ANGLE FASTENED TO BOTTOM OF FILTER ASSEMBLY FLANGE POINTING DOWN Fig 33 Correctly Assembled Bottom Filter Assembly Sizes 040 060 Only Fig 34 Flange and Mounting Angle Pointing Down FILTER TRACK MOUN...

Page 28: ...inverter pressure transducer is locat ed behind the filter access door on the lower inner panel See Fig 41 A section of field supplied 1 4 in plastic tubing must be run from the high pressure tap on the differential pressure switch and connected to a field supplied tap in the supply air duct The tap is usually located 2 3 of the way out on the main supply duct Remove plug button in panel to route ...

Page 29: ... 2 23 28 SIDE 1 42 62 J BOX R A S A NOTE Sizes 020 050 shown 2 power exhaust fans Size 060 has 3 power exhaust fans All unit sizes have the same size power exhaust NOTES 1 Unless otherwise specified all dimensions are to outside of part 2 Dimensions are in inches 3 On 50A4 A5 A8 A9 units accessory barometric relief or power exhaust must be mounted in the field supplied return ductwork Fig 40 Barom...

Page 30: ...pically needed on system with Carrier Comfort Network CCN devices Plugged filter sensor Motormaster V low ambient head pressure control FIELD FABRICATED WIND BAFFLES In areas with prevailing winds of more than 5 mph and where temperatures drop below 32 F wind baffles must be field fabricated to ensure proper cooling cycle operation at low ambient temperatures with Motormaster V controls Baf fles a...

Page 31: ...ot require baffles LEGEND UNIT SIZE 50A QUANTITY DIMENSION A IN MM 020 035 1 78 125 0 125 1984 3 036 050 2 78 125 0 125 1984 3 060 2 118 0 125 2997 3 MCHX Microchannel Heat Exchanger RTPF Round Tube Plate Fin Heat Exchanger SIZES 020 035 SIZES 036 050 AND 060 RTPF ...

Page 32: ...municates using BACnet on an MS TP network segment communications at 9600 bps 19 2 kbps 38 4 kbps or 76 8 kbps Wire the controllers on an MS TP network segment in a daisy chain configuration Wire specifications for the cable are 22 AWG American Wire Gage or 24 AWG low capaci tance twisted stranded shielded copper wire The maximum length is 2000 ft Install a BT485 terminator on the first and last c...

Page 33: ...ation Guide for specifications W221P 22227 25160PV CLP0520LC 24 AWG single twisted shielded pair low capacitance CL2P TC foam FEP plenum rated See MS TP Installation Guide for specifications W241P 2000F 82841 25120 OR RNET 4 conductor unshielded CMP 18 AWG plenum rated W184C 2099BLB 6302UE 21450 CLP0442 Fig 43 Side Return Duct Dimensions a48 8245 31 25 INSIDE RA 97 78 020 050 150 47 051 AND 060 IN...

Page 34: ...3 6576 mm O D DC RESISTANCE 15 2 Ohms 1000 feet 50 Ohms km nominal CAPACITANCE 12 5 pF ft 41 pF meter nominal conductor to conductor CHARACTERISTIC IMPEDANCE 100 Ohms nominal WEIGHT 12 lb 1000 feet 17 9 kg km UL TEMPERATURE RATING SmokeGard 167 F 75 C Halar 40 to 302 F 40 to 150 C VOLTAGE 300 Vac power limited LISTING UL NEC CL2P or better AWG American Wire Gage CL2P Class 2 Plenum Cable DC Direct...

Page 35: ...35 Fig 45 Open System Network Wiring Fig 46 BT485 Terminator Installation BACnet SHIELD n c NET NET PORT S1 BACnet MS TP EIA 485 485 2WIRE BT 485 n c ...

Page 36: ...right to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53500233 01 Printed in U S A Form 50A 17SI Pg 36 3 19 Replaces 50A 16SI Carrier Corporation 2019 ...

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