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50PG03---07
Single Package Rooftop Units
Electric Cooling withPURONR (R---410A)
RefrigerantandCOMFORTLinkt Controls
InstallationInstructions
IMPORTANT: This installation instruction contains basic unit
installation information including installation of field control
!
WARNING
devices. For information on unit start--up, service, and operation,
refer to the unit Controls, Start-- Up, Operation, Service, and
ELECTRICAL SHOCK HAZARD
Troubleshooting Instructions also enclosed in the unit literature
F
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2 50PG03--07 C07269 Fig. 1 -- Roof Curb Details
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3 C07271 Fig. 2 -- Base Unit Dimensions 50PG03--07
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Positioning INSTALLATION Maintain clearance, per Fig. 2, around and above unit to provide Step 1 — Provide Unit Support minimum distance from combustible materials, proper airflow, and Roof Curb service access. See Fig. 4 for location of access panels. Assemble or install accessory roof curb in accordance with Do not install unit in an indoor location. Do not locate air inlets instructions shipped with this accessory. (See Fig. 1.) Install near exhaust vents or other sources of contaminated air.
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Table 1 – Physical Data BASEUNIT50PG 03 04 05 06 07 NOMINAL CAPACITY(Tons) 2 3 4 5 6 OPERATING WEIGHT(lb) Unit* 704 704 775 829 874 Economizer Vertical 40 40 40 40 40 Horizontal 50 50 50 50 50 Humidi-MiZer ™Adaptive Dehumidification 22 22 31 27 26 System RoofCurb 14-in. 122 122 122 122 122 24-in. 184 184 184 184 184 COMPRESSOR FullyHermeticScroll Quantity 1 1 1 1 1 OilType Copeland3MA NumberofRefrigerantCircuits 1 1 1 1 1 Oil(oz) 38 42 42 66 56 REFRIGERANTTYPE R-410A(Puron ® Refrigerant) Expansi
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Table 1 — Physical Data (cont) BASEUNIT50PG (cont) 03 04 05 06 07 EVAPORATORFAN Centrifugal Type,BeltDrive Quantity …Size (in.) Low 1...12x9 1...12x9 1...12x9 1...12x9 1...12x9 High 1...12x9 1...12x9 1...12x9 1...12x9 1...12x9 Type Drive Low Belt Belt Belt Belt Belt High Belt Belt Belt Belt Belt NominalCfm 800 1200 1600 2000 2400 MaximumContinuousBhp Low 0.85 0.85 0.85 0.85/2.40† 2.40 High 0.85 0.85 1.60/2.40† 1.60/2.40† 3.10 MotorNominalRpm 1620 1620 1620 1725 1725 MotorFrame Size Low 48Y 48Y 4
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duct covers to duct panel. Save panels. Install duct covers in the Step 3 — Field Fabricate Ductwork vertical duct openings in the basepan with the insulation side up. On vertical units, secure all ducts to roof curb and building Covers will drop into openings and can be secured using structure. Do not connect ductwork to unit. For horizontal field--supplied self--tapping screws. Ductwork can be attached to applications, field--supplied flanges should be attached to duct flanges provided on unit
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INSERT SIDE DRAIN DRILL 5/8” DIA. (0.625 mm) HOLE PLUG FOR DOWN THRU FOR DOWN DRAIN USE. DRAIN USE. C10321 Fig. 5 -- Condensate Drain Pan OPTIONAL UNIONS TO ALLOW FOR CONDENSATE PAN REMOVAL 4" (102mm) CONDENSATE PAN ACCESS PANEL C06234 Fig. 6 -- External Trap for Condensate Drain Step 6 — Make Electrical Connections (For more details, refer to the Controls, Start--up, Operation, and Troubleshooting manual). Field Power Supply All 208/230--v units are factory wired for 230--v power supply. If the
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Set heat anticipator settings as follows: ! CAUTION Stage1 STAGE1AND2 VOLTAGE (W1)ON (W1ANDW2)ON UNIT DAMAGE HAZARD All 0.2 0.4 Failure to follow this caution may result in equipment Settings may be changed slightly to provide a greater degree of damage. comfort for a particular installation. The correct power phasing is critical to the operation of the scroll compressors. An incorrect phasing will result in an C.A1 alarm being generated and compressor operation lockout. FIELD FACTOR Should this
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Temperature Control Controls, Start--up, Operation and Troubleshooting manual for configuration. The unit can be controlled with either a Carrier--approved space Units with the Humidi--MiZert option receive a discrete input temperature sensor, a Carrier accessory Thermidistatt device, or a from a field--installed device (such as from the Carrier humidistat Carrier--approved accessory thermostat. Install the temperature or Thermidistat device). The discrete input is connected to the TB1 control d
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C07191 Fig. 13 -- Third Party Smoke Detector on Humidi--MiZert 11 50PG03--07
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Table 2 – Electrical Data -- Units Without Optional Convenience Outlet VOLTAGE DISCONNECT NOMINAL COMPRESSOR ELECTRICHEAT POWER SUPPLY OFM POWER IFM RANGE SIZE UNIT IFM POWER SUPPLY EXHAUST 50PG FLA Nominal FLA FLA TYPE Min Max RLA LRA FLA MCA MOCP† FLA LRA Volts-Ph-Hz kW* — — 21.9/21.9 25/25 22/22 74/74 10.8/12.5 2.3/ 3.0 21.9/21.9 25/25 22/22 74/74 17.3/20.0 3.8/ 5.0 27.8/31.1 30/35 26/29 74/74 Low 26.0/30.0 5.6/ 7.5 38.6/43.6 40/45 36/40 74/74 34.7/40.0 7.5/10.0 49.5/56.1 50/60 46/52 74/74 —
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Table 2 -- Electrical Data -- Units Without Optional Convenience Outlet (cont) VOLTAGE DISCONNECT NOMINAL COMPRESSOR ELECTRICHEAT POWERSUPPLY OFM POWER IFM RANGE SIZE UNIT POWERSUPPLY IFM EXHAUST 50PG FLA Nominal FLA Min Max RLA LRA FLA TYPE FLA MCA MOCP† FLA LRA Volts-Ph-Hz kW* — — 21.7/21.7 25/25 22/22 93/93 6.3/ 7.2 2.3/ 3.0 21.7/21.7 25/25 22/22 93/93 10.0/11.5 3.8/ 5.0 21.7/22.3 25/25 22/22 93/93 Low 15.0/17.3 5.6/ 7.5 26.6/29.5 30/30 24/27 93/93 20.0/23.1 7.5/10.0 32.9/36.8 35/40 30/34 93/
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Table 2 -- Electrical Data -- Units Without Optional Convenience Outlet (cont) VOLTAGE DISCONNECT NOMINAL COMPRESSOR ELECTRICHEAT POWERSUPPLY OFM POWER IFM RANGE SIZE UNIT POWERSUPPLY IFM EXHAUST 50PG FLA Nominal FLA Min Max RLA LRA FLA TYPE FLA MCA MOCP† FLA LRA Volts-Ph-Hz kW* — — 11.5 15 11 53 5.8 5.0 11.5 15 11 53 8.7 7.5 13.5 15 12 53 Low 2.1 11.5 10.0 17.0 20 16 53 17.3 15.0 24.3 25 22 53 23.1 20.0 31.5 35 29 53 — — — 12.0 15 12 62 5.8 5.0 12.0 15 12 62 8.7 7.5 14.1 15 13 62 High 2.6 11.5
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Table 2 -- Electrical Data -- Units Without Optional Convenience Outlet (cont) VOLTAGE DISCONNECT NOMINAL COMPRESSOR ELECTRICHEAT POWERSUPPLY OFM IFM POWER RANGE SIZE UNIT POWERSUPPLY IFM EXHAUST 50PG FLA Nominal FLA FLA TYPE Min Max RLA LRA FLA MCA MOCP† FLA LRA Volts-Ph-Hz kW* — — 28.7/28.7 30/30 28/28 156/156 10.0/11.5 3.8/ 5.0 28.7/28.7 30/30 28/28 156/156 15.0/17.3 5.6/ 7.5 28.7/28.7 30/30 28/28 156/156 Low 20.0/23.1 7.5/10.0 31.5/35.4 35/40 29/33 156/156 30.0/34.6 11.3/15.0 44.0/49.8 45/50
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Table 2 -- Electrical Data -- Units Without Optional Convenience Outlet (cont) VOLTAGE DISCONNECT NOMINAL COMPRESSOR ELECTRICHEAT POWERSUPPLY OFM IFM POWER RANGE SIZE UNIT POWERSUPPLY IFM EXHAUST 50PG FLA Nominal FLA FLA TYPE Min Max RLA LRA FLA MCA MOCP† FLA LRA Volts-Ph-Hz kW* — — 33.7/33.7 35/35 33/33 184/184 10.0/11.5 3.8/ 5.0 33.7/33.7 35/35 33/33 184/184 15.0/17.3 5.6/ 7.5 33.7/33.7 35/35 33/33 184/184 Low 5.2 20.0/23.1 7.5/10.0 33.7/37.1 35/40 33/34 184/184 30.0/34.6 11.3/15.0 45.8/51.5 5
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Table 3 – Electrical Data -- Units With Optional Powered Convenience Outlet VOLTAGE DISCONNECT NOMINAL COMPRESSOR ELECTRICHEAT POWERSUPPLY OFM IFM POWER RANGE SIZE UNIT POWERSUPPLY IFM EXHAUST 50PG FLA Nominal FLA TYPE FLA Min Max RLA LRA FLA MCA MOCP† FLA LRA Volts-Ph-Hz kW* — — 26.7/26.7 30/30 27/27 79/79 10.8/12.5 2.3/ 3.0 26.7/27.8 30/30 27/27 79/79 17.3/20.0 3.8/ 5.0 33.8/37.1 35/40 31/34 79/79 Low 26.0/30.0 5.6/ 7.5 44.6/49.6 45/50 41/46 79/79 34.7/40.0 7.5/10.0 55.5/62.1 60/70 51/57 79/79
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Table 3 -- Electrical Data -- Units With Optional Powered Convenience Outlet (cont) VOLTAGE DISCONNECT NOMINAL COMPRESSOR ELECTRICHEAT POWERSUPPLY OFM IFM POWER RANGE SIZE UNIT POWERSUPPLY IFM EXHAUST 50PG FLA Nominal FLA TYPE FLA Min Max RLA LRA FLA MCA MOCP† FLA LRA Volts-Ph-Hz kW* — — 26.5/26.5 30/30 27/27 98/98 6.3/ 7.2 2.3/ 3.0 26.5/26.5 30/30 27/27 98/98 10.0/11.5 3.8/ 5.0 26.5/28.3 30/30 27/27 98/98 Low 15.0/17.3 5.6/ 7.5 32.6/35.5 35/40 30/33 98/98 20.0/23.1 7.5/10.0 38.9/42.8 40/45 36/3
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Table 3 -- Electrical Data -- Units With Optional Powered Convenience Outlet (cont) VOLTAGE DISCONNECT NOMINAL COMPRESSOR ELECTRICHEAT POWER SUPPLY OFM POWER IFM RANGE SIZE UNIT POWER SUPPLY IFM EXHAUST 50PG FLA Nominal FLA FLA TYPE Min Max RLA LRA FLA MCA MOCP† FLA LRA Volts-Ph-Hz kW* — — 13.7 15 14 55 5.8 5.0 13.7 15 14 55 8.7 7.5 16.3 20 15 55 Low 2.1 11.5 10.0 19.8 20 18 55 17.3 15.0 27.0 30 25 55 23.1 20.0 34.3 35 32 55 — — — 14.2 15 14 64 5.8 5.0 14.2 15 14 64 8.7 7.5 16.9 20 16 64 High 2.
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Table 3 -- Electrical Data -- Units With Optional Powered Convenience Outlet (cont) VOLTAGE DISCONNECT NOMINAL COMPRESSOR ELECTRICHEAT POWERSUPPLY OFM POWER IFM RANGE SIZE POWERSUPPLY UNIT IFM EXHAUST 50PG FLA Nominal FLA FLA TYPE Min Max RLA LRA FLA MCA MOCP† FLA LRA Volts-Ph-Hz kW* — — 33.5/33.5 35/35 33/33 161/161 10.0/11.5 3.8/ 5.0 33.5/33.5 35/35 33/33 161/161 15.0/17.3 5.6/ 7.5 33.5/34.1 35/35 33/33 161/161 Low 20.0/23.1 7.5/10.0 37.5/41.4 40/45 35/38 161/161 30.0/34.6 11.3/15.0 50.0/55.8
