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48MPD,MPE62L-10R
50MP62L-10R
Single Package Electric Cooling Units
and Gas Heating/Electric Cooling Units
With Product Integrated Controls
Installation, Start-Up and Service
Instructions
CONTENTS
Page Page
Gas Pressure Check ........................38
GENERAL ................................. 2
Check Supply Fan Rotation................. 38
SAFETY CONSIDERATIONS................. 2
START-UP ................................38-42
INSTALLATION ............................ 3-28
Initial Check .........
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CONTENTS (cont) Page Page Main Burners ...............................52 Lubrication ................................ 47 • MAIN BURNER REMOVAL • COMPRESSORS Protective Devices ......................... 52 • FAN SHAFT BEARINGS • COMPRESSOR PROTECTION • FAN MOTOR BEARINGS • EVAPORATOR-FAN MOTOR PROTECTION • DOOR HINGES • CONDENSER-FAN MOTOR PROTECTION Coil Cleaning .............................. 47 • HIGH-AND LOW-PRESSURE SWITCHES Refrigerant Circuit ......................... 47 Variable Frequency
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Secure all ducts to the building structure, using flexible INSTALLATION ductconnectorsbetweenroofcurbandductsasrequired.Ducts JobsiteSurvey— Complete the following checks be- passing through an unconditioned space must be insulated fore installation. andcoveredwithavaporbarrier.Outletgrillesmustnotlie directly below unit discharge. The return duct must have a 1. Consult local building codes and the NEC (National 90-degree elbow before opening into the building space if Electrical Code) (ANSI/NFPA
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Table 1 — Physical Data BASE UNIT 48/50MP 62L 70M 82N NOMINAL CAPACITY (tons) 80 90 105 OPERATING WEIGHT (lb) Base Unit (48MP/50MP) 16,810/16,550 18,060/17,800 22,660/22,400 Copper Condenser Coils 675 725 725 Exhaust Fan 1,675 1,775 2,375 COMPRESSORS Semi-Hermetic Number of Refrigerant Circuits 22 2 Circuit (No. of Cylinders) A(6) B (6) A1 (6),A2 (4) B (6) A1 (6),A2 (4) B1 (6), B2 (6) Model 06E −299 −299 −275, −250 −299 −265, −250 −265, −265 Oil Charge (pints) 19 19 19, 14 19 19, 14 19,19 Capaci
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Table1 — Physical Data (cont) BASE UNIT 48/50MP 90P 10R NOMINAL CAPACITY (tons) 115 120 OPERATING WEIGHT (lb) Base Unit (48MP/50MP) 24,660/24,750 25,110/25,100 Copper Condenser Coils 950 950 Exhaust Fan 2400 2400 COMPRESSORS Semi-Hermetic Number of Refrigerant Circuits 22 Circuit (No. of Cylinders) A1 (6),A2 (6) B1 (6), B2 (6) A1 (6),A2 (6) B1 (6), B2 (6) Model 06E −265, −275 −265, −275 −265, −299 −265, −275 Oil Charge (pints) 19, 19 19, 19 19, 19 19, 19 Capacity Steps (%) 15,23,30,38,45,58,65,7
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Table 2 — Optional Power Exhaust Specifications UNIT 48/50MP 62L 70M 82N Type 100% Mod 100% Non Mod 100% Mod 100% Non Mod 100% Mod 100% Non Mod Motor Hp 30 30 40 40 40 40 Motor Frame Size 286T 286T 324T 324T 324T 324T Efficiency at Full Load (%) Standard Efficiency 92.4 92.4 93.0 93.0 93.0 93.0 High Efficiency 93.6 93.6 94.5 94.5 94.5 94.5 Fan Pulley Pitch Diameter (in.) 18.4 18.4 18.4 18.4 25.0 20.0 Motor Pulley Pitch Diameter (in.) 5.6 6.0 6.2 6.6 6.8 5.8 Fan Rpm 552 590 608 646 491 526 Belts Q
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NOTES: 1. Roof curb is shipped disassembled. 2. Roof curb: 14 gage [VA03-56] steel. 3. Dimensions in [ ] are in millimeters. 4. Topreventstandingwaterinthedrainpanofthe indoor section, roof curb and unit must be level within tolerances shown. NOTES: 1. Topreventthehazardofstagnantwaterbuild-upinthedrainpanontheindoorsection,unitcannot exceed leveling tolerances shown. 2. IfaCarrierroofcurbisnotused,curbcrossrailsmustbepostionedtoclearunitbaseraillocations shown. Fig. 1 — Roof Curb Dimensions, 48
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NOTES: 1. Roof curb is shipped disassembled. 2. Roof curb: 14 gage [VA03-56] steel. 3. Dimensions in [ ] are in millimeters. 4. Topreventstandingwaterinthedrainpanofthe indoor section, roof curb and unit must be level within tolerances shown. NOTES: 1. Topreventthehazardofstagnantwaterbuild-upinthedrainpanontheindoorsection,unitcannot exceed leveling tolerances shown. 2. IfaCarrierroofcurbisnotused,curbcrossrailsmustbepostionedtoclearunitbaseraillocations shown. Fig. 2 — Roof Curb Dimensions, 48
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WEIGHT A B C D E F UNIT SIZE 48MPD,E lb kg mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. 11 5 3 1 1 62L 16,810 7624 3505 11- 6 957 3-1 ⁄16 5909 19-4 ⁄8 1203 3-11 ⁄8 13 011 42-8 ⁄4 14 256 46-9 ⁄4 9 7 3 3 1 1 70M 18,060 8190 3647 11-11 ⁄16 1165 3-9 ⁄8 6166 20-2 ⁄4 1264 4- 1 ⁄4 13 297 43-7 ⁄2 14 542 47-8 ⁄2 NOTES: 1. Dimensions in [ ] are in millimeters. 2. Centerofgravityincludesexhaustfanandhighheatoptions.Unitweightdoesnotincludeexhaustfanorhigh heat options. 3. High heat add: 260
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WEIGHT A B C D E F UNIT SIZE 48MPD,E lb kg mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. 9 1 1 1 82N 22,660 10295 3646 11-11 ⁄16 — — 6734 22- 1 ⁄8 1753 5-9 13 957 45-9 ⁄2 15 202 49-10 ⁄2 5 1 3 1 1 1 90P 24,660 11203 1938 6- 4 ⁄16 2572 8-5 ⁄4 7283 23-10 ⁄4 1765 5-9 ⁄2 14 821 48-7 ⁄2 16 066 52- 8 ⁄2 5 1 1 1 1 1 10R 25,110 11408 1938 6- 4 ⁄16 2572 8-5 ⁄4 7268 23-10 ⁄8 1759 5-9 ⁄4 14 821 48-7 ⁄2 16 066 52- 8 ⁄2 NOTES: 4. Unit clearances: 1. Dimensions in [ ] are in millimeters. Top — D
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WEIGHT C1 C2 UNIT AB DE F (See Note 3) (See Note 2) (See Note 2) SIZE 50MP lb kg mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. 11 1 3 1 1 62L 16,550 7511 3505 118-69 957 38-1 ⁄169 5880 198-3 ⁄29 6325 208-99 1203 38-11 ⁄89 13 011 428-8 ⁄49 14 256 468-9 ⁄49 9 7 3 3 3 1 1 70M 17,800 8078 3647 118-11 ⁄169 1165 38-9 ⁄8 6166 208-2 ⁄4 6649 218-9 ⁄49 1264 48-1⁄49 13 297 438-7 ⁄29 14 542 478-8 ⁄29 NOTES: Sides — 68-09 1. Dimensions in [ ] are in millimeters. Economizer End — 68-09
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WEIGHT C1 C2 UNIT AB DE F (See Note 3) (See Note 2) (See Note 2) SIZE 50MP lb kg mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. 9 7 11 1 1 82N 22,400 10 295 3646 118-11 ⁄169 — — 6702 218-11 ⁄89 7180 238-6 ⁄169 1753 58-99 13 957 458-9 ⁄29 15 202 498-10 ⁄29 5 1 3 9 1 1 1 90P 24,750 11 375 1938 68-4⁄169 2572 88-5 ⁄4 7383 238-10 ⁄4 7787 258-6 ⁄169 1765 58-9 ⁄29 14 821 488-7 ⁄29 16 066 528-8 ⁄29 5 1 1 13 1 1 1 10R 25,100 11 536 1938 68-4⁄169 2572 88-5 ⁄4 7383 238-10 ⁄8 7793 258
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NOTICE TO RIGGERS WEIGHT A BCD E UNIT Unit 48MP Unit 50MP Exhaust Fan SIZE lb kg lb kg lb kg in. mm in. mm in. mm in. mm in. mm 62L 16,810 7 624 16,550 7 507 1675 760 71.25 1810 129.00 3277 112.44 2856 138.00 3505 N/A N/A 70M 18,060 8 190 17,800 8 074 1775 805 71.25 1810 129.00 3277 112.44 2856 143.56 3646 N/A N/A 82N 22,660 10 295 22,400 10 161 2275 1032 71.25 1810 139.56 3545 127.87 3248 143.56 3646 N/A N/A 90P 24,660 11 203 24,750 11 227 2400 1089 71.25 1810 139.56 3545 127.87 3248 177.56 451
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Field Electrical Connections IMPORTANT: The 48/50MPunits generate, use, and UNIT PITCH DRAIN LINE BASE canradiateradiofrequencyenergy.Ifunitsarenotin- SEALANT TO OFFSET LINE RAIL stalledandusedinaccordancewiththeseinstructions, FRICTION theymaycauseradiointerference.Theyhavebeentested SLAB and found to comply with limits of a Class A com- puting device as defined by FCC (Federal Communi- 2" MIN. cationsCommission)regulations,SubpartJofPart15, which are designed to provide reasonable protection 7"
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Disconnectmustbelocatedwithinsightoftheunitandread- Thisamountofphaseimbalanceissatisfactoryasitisbe- ily accessible from the unit in compliance with NEC low the maximum allowable 2%. Article 440-14. AllfieldwiringmustcomplywithNECandalllocalcodes. IMPORTANT: If the supply voltage phase imbalance Size wire based on MCA (Minimum Circuit Amps) value is more than 2%, contact local utility immediately. shown on the unit informative plate. See Fig. 12 for power wiringconnectionstotheunitpowerterminalb
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Table 5 — Electrical Data CONDENSER POWER VOLTAGE COMP COMP COMP COMP EVAPORATOR UNIT FAN EXHAUST VOLTAGE RANGE NO. A1 NO. A2 NO. B1 NO. B2 FAN MOTOR 48MP/ MCA MOCP MOTORS FAN MOTOR 3 Ph, 60 Hz 50MP Min Max RLA LRA RLA LRA RLA LRA RLA LRA Qty FLA Hp FLA Hp FLA Hp — — 207.0 250 40 30 11 7.5 218.0 250 40 30 247.0 300 — — 219.0 250 62L 460 414 508 65.4 345 — — 65.4 345 — — 6 3.3 1 52 40 11 7.5 230.0 250 40 30 259.0 300 — — 232.0 250 65 50 11 7.5 243.0 300 40 30 272.0 300 — — 235.0 300 52 40 11 7.5
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pins E2 and E3, and an RJ11 female connector. The RJ11 Control Wiring — See Fig. 13 for sensor wiring con- connectorisusedtotapintotheCCNatthesensor.SeeRJ11 nections to main and auxiliary control boxes. The recom- Plug Wiring section on page 24 to connect the RJ11 con- mended types of control wiring for 48/50MP unit devices nector to the CCN. are shown in Table 6. Table 6 — Recommended Sensor and Jumper MUST be in place between pins E2 and E3 or Device Non-Shielded Cable inaccurate readings coul
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LEGEND COM — Common SW — Switch T— Terminal TB — Terminal Block TH — Thermostat Heating Accessory Field Wiring *Constantvolumeapplicationsonly. Fig. 13 — Space Temperature Sensor Wiring 18
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RED RED BLK BLK TB3 RED RED RED 1 BLK BLK BLK 2 TO PROCESSOR MODULE NO. 1 SENSOR 1 SENSOR 2 SENSOR 3 SENSOR 4 SPACE TEMPERATUREAVERAGING — 4 SENSORAPPLICATION TB3 RED RED RED 1 BLK BLK BLK 2 TO PROCESSOR MODULE NO. 1 SENSOR 1 SENSOR 2 SENSOR 3 RED RED BLK BLK SENSOR 4 SENSOR 5 SENSOR 6 RED RED BLK BLK LEGEND TB — Terminal Block Factory Wiring Field Wiring SENSOR 7 SENSOR 8 SENSOR 9 SPACE TEMPERATUREAVERAGING — 9 SENSORAPPLICATION Fig. 14 — Space Temperature Sensor Averaging 19 BLK BLK RED RED
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FIELD-SUPPLIED ACCESSORY DSIO2 24-V ISOLATED J5 POWER SUPPLY OUTSIDE AIR RELATIVE HUMIDITY FIELD TB3 TB3 CONTROL WIRING 12 RED 8 7 2 1 24V J1 J2 1 12 2 11 BLU 9 FIELD-SUPPLIED 24-V ISOLATED POWER SUPPLY 13 ORN 10 10 2 1 CHANNEL 15 J1 J2 60 1 2 24V LEGEND SPACE/RETURN TB — Terminal Block RELATIVE HUMIDITY Field Wiring Component Terminal LEGEND h Terminal Block Terminal TB — Terminal Block Field Wiring Fig. 15 — Heat Interlock Relay Component Terminal h Terminal Block Terminal
