Carrier 13 50XP User's Manual
Contents
1. ELECTRIC HEAT PRESSURE DROP TABLES FILTER SIZE 20 X 20 X 1 20 X 24 X 1 24 X 30 X 1 0 18 Small Cabinet 024 036 STATIC 1600 5 kW 0 07 7 5 kW 0 09 10 kW 011 15 kW 018 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 002 003 004 005 006 007 009 012 oo 004 005 006 oo 009 om 012 013 oo oos 004 005 006 007 009 om 04 013 o2 oos oos 007 008 009 om om om om 015 00 oos 005 006 oos oo om 012 013 045 016 14 50XP ECM DRY COIL AIRFLOW SMALL CABINET CFM ADJUST UNIT PIN SELECT SIZE EXTERNAL STATIC PRESSURE RANGE 0 0 0 39 04 069 0 7 1 0 0 0 0 39 04 069 07 10 0 0 0 39 0 4 0 69 0 7 1 0 G 800 725 885 805 730 90 COOLIN 800 75 885 805 730 990 930 855 024 COOLING DEHUMIDIFY 715 670 715 695 645 795 775 745 COOLING 1010 920 1105 1030 1255 1160 1050 030 COOLING DEHUMIDIFY 845 795 890 865 825 1010 980 925 890 036 COOLING DEHUMIDIFY 910 975 940 1125 1110 1085 50XP ECM DRY COIL AIRFLOW LARGE CABINET CFM ADJUST SIZE EXTERNAL STATIC PRESSURE RANGE 0 1 1 0 0 1 1 0 COOLING um 042 COOLING COOLING 048 COOLING DEHUMIDI2. OPTIONAL I I SUPPLY m AIR De 402 J SURREY 1 OPENING OPENING EVAP COIL D 21 67 COND COIL VIEW REAR VIEW REQUIRED CLEARANCES TO COMBUSTIBLE MATL REQUIRED CLEARANCE FOR OPERATION AND SERVICING MILLIMETERS IN TOP OF UNIT COIL ACCESS SIDE DUCT SIDE OF UNIT 8 2 0 POWER ENTRY SIDE SIDE OPPOSITE DUCTS hates au i FOR REQUIREMENTS BOTTOM OF UNIT Pipa E 1053 UNIT ELECTRIC HEAT PANEL SIDE orroa NTE DUCTS DUCT P NEC REQUIRED CLEARANCES MILLIMETERS IN MINIMUM DISTANCES IF UNIT IS PLACED LESS THAN 304 8 12 00 FROM WALL BETWEEN UNITS POWER ENTRY SIDE SYSTEM THEN SYSTEM PERFORMANCE MAYBE COMPROMISED UNIT AND UNGROUNDED SURFACES POWER ENTRY SIDE 914 0 36 00 UNIT AND BLOCK OR CONCRETE WALLS AND OTHER GROUNDED SURFACES POWER ENTRY SIDE 1066 8 42 00 798 5 31 44 FIELD ENTRY SERVICE PORTS EE FULL LOUVER FULL LOUVER SS a 22 2 0 88 DIA HOLE CONTROL ENTRY 50 42 1 0 20 SP TREE T X 9 1 75 DIA POWER ENTRY X 22 0 0 88 DEEP BLOWER ELECTRIC HEAT 326 5 amp ELECTRICAL ACCESS PANEL 12 85 831 0 1226 3 32 72 48 28 LEFT SIDE VIEW F
3. 27 7 24 5 24 0 25 7 115 SHC 21 7 18 0 18 8 14 8 22 3 19 3 20 2 15 7 23 7 20 5 21 5 3 2 3 2 3 2 3 2 27 7 24 5 24 0 25 7 125 SHC 20 7 17 3 18 8 14 8 22 3 19 3 20 2 15 7 23 7 20 5 21 5 3 2 3 2 3 2 3 2 See Legend and Notes on page 13 72 30 4 16 7 1 9 28 9 16 2 2 1 27 4 15 6 2 3 25 7 14 9 2 5 23 6 14 1 2 8 21 9 13 5 3 1 72 35 2 18 7 2 2 33 7 18 3 2 4 32 0 17 8 2 6 30 1 17 2 2 9 28 1 16 6 3 2 28 1 16 6 3 2 11 Performance data cont Standard ECM Indoor Motor COOLING CAPACITIES 50XP036 COOLING PERFORMANCE TABLE Evaporator Air CFM BF Temp F Outdoor Air 1100 0 06 1225 0 07 1400 0 08 En Evaporator Air Ewb F Z T e er s TC 36 2 36 8 39 7 43 8 36 9 37 4 40 3 44 4 37 9 38 1 41 0 75 SHC 33 2 26 7 27 8 22 3 34 7 27 9 29 0 23 1 36 9 29 6 30 9 kW 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 8 2 8 2 8 2 8 TC 34 6 35 1 37 9 41 8 35 3 35 6 38 4 42 4 36 4 36 3 39 1 85 SHC 32 4 26 0 27 1 21 6 34 0 27 1 28 3 22 4 35 6 28 9 30 2 kW 2 9 2 9 3 0 3 0 3 0 3 0 3 0 3 0 3 1 3 1 3 1 TC 33 0 33 4 36 0 39 7 33 7 33 8 36 5 40 2 34 8 34 4 37 0 gt lt 95 SHC 31 6 25 3 26 4 20 9 32 9 26 4 27 6 21 7 34 4 28 1 29 4 19 kW 3 2 3 2 3 3 3 3 3 3 3 3 3 3 3 4 3 4 3 4 3 4 TC 31 3 31 5 34 0 37 5 32 1 31 9 34 3 37 9 33 1 32 4 34 9 105 SHC 30 6 24 5 25 6 20 1 31 5 25 7 26 8 20 9 32 8 27 3 28 6 kW 3 6 3 6 3 6 3 6 3 6 3 6 3 7 3 7 3 8 3 7 3 8 TC 29 6 29 4 31 8 35 0 30 4 29 8 32
4. Provided with roofcurb Roof Curb for Large Cabinet Note A When unit mounting screw is used retainer bracket must also be used Gasket around duct Insulated Gasket around deck pan outer edge C00076 50XP 50XP Corner weights In Pounds 1 Model 50XP Corner Weight 1 Corner Weight 2 Corner Weight 3 Corner Weight 4 Total Weight Selection Procedure I Determine cooling and heating requirements at design conditions Given Required Cooling Capacity 34 500 Btuh Sensible Heat Capacity SHC 26 000 Btuh Required Heating Capacity 15 000 Btuh Condenser Entering Air Temperature 95 F Indoor Air Temperature 80 F edb 67 F ewb Evaporator Air Quantity 1200 cfm External Static Pressure 0 2 in wg Electrical Characteristics 230 1 60 II Select unit based on required cooling capacity Enter Cooling Capacities table at condenser entering temperature of 95 F The 036 unit at 1225 cfm and 67 F ewb entering wet bulb will provide a total capacity of 36 500 Btuh and a SHC of 27 600 Btuh Calculate SHC correction if required using Note 4 under Cooling Capacities tables III Select electric heat The required heating capacity is 15 000 Btuh given Determine the electric heat capacity in kW EUM 4 4 kW of heat required Enter
5. 024 060 FUI 210 MAX WIRE 50 60 AMP FOR FU 20 K W 0 E USED WITH ACCESSORY ELECT option omy HEAT 30 AMP VEL USED WITH FUS 3 2 AMP HEATER OPTIONS 60 AMP MANUAL RESET 15KW0030 060 FUG 20KW 042 060 50 AMP S B 210 MAX WIRE TRANI 24V SPLICE 24V SPLICE ICM BOARD BOX R SEC BLK TO HEATERS ws PL2 Dh BLK 97 9 81 2 BRN J TRAN HPS gk BRN ICM BOARD BRN SEC ACCESSORY ELECTRIC HEAT HRI 5 KW HR3 HRI 8 2 CIO KW HRI 28 3 15 SEE NOTE 2 HRI 2 3 8 4 20 KW COMMON BRN 1 LEGEND m N FIELD SPLICE YEL TERMINAL MARKED COMP COMPRESSOR MOTOR BLK O TERMINAL UNMARKED EQUIP EQUIPMENT WHT SPLICE FU FUSE GROUND MARKED HIGH PRESSURE SWITCH FACTORY WIRING HEATER RELAY VI FIELD CONTROL WIRING HEATER vo FIELD POWER WIRING ACCESSORY OR OPTIONAL Moon MED WIRING INDOOR FAN MOTOR 10 0 0 INDICATE COMMON TIME DELAY RELAY d POTENTIAL O
6. MODEL NO 50XP Frequency Hz VE E 048 060 125 EE 99 500 718 1000 oss ee ms m 2000 710 2000 EX 3000 EE Physical data UNIT SIZE vm om om mm 060 NOMINAL CAPACITY ton a em s s 5 OPERATING WEIGHT Ib a 156 292 11 25 13 2 REFRIGERANT R 410A Quantity Ib indoor Pr w CONDENSER COIL Rows Fins in 2 21 2 21 2 21 2 21 2 21 2 21 Face Area sq ft 11 95 12 0 13 6 15 4 17 4 19 3 Nominal Cfm Diameter in 22 22 22 22 22 22 EVAPORATOR COIL Rows Fins in 3 15 3 15 4 15 3 15 4 15 4 17 Face Area sq ft 3 7 3 7 3 7 4 7 4 7 5 7 ene nee cra 800 1000 1100 1400 1400 1750 Size in 10 10 10 10 11 10 11 10 11 10 11 10 1 2 1 2 3 4 3 4 3 4 1 0 COMPRESSOR Scroll REFRIGERANT METERING DEVICE CONDENSER FAN 2350 2700 2350 2800 3300 3300 Motor Hp Rpm 1 8 825 1 8 825 1 8 825 1 8 825 1 4 1100 1 4 1100 HIGH PRESSURE SWITCH psig Cutout 610 15 Reset Auto 420 25 LOSS OF CHARGE LOW PRESSURE SWITCH Liquid Line psig 20 5 Cutout 45 gt 10 Reset Auto RETURN AIR FILTERS in Throwaway 20x20x1 20x20x1 20x24x1 24x30x1 24 x 30 x 1 24 x 30 x 1 Required filter sizes shown are based on the larger of the ARI Air Conditioning amp Refrigeration Institute rated cooling airflow or the heating airflow velocity of 300 ft min for Ge type or 450 ft min
7. 2 20 8 1 7 1 8 1 8 1 8 1 8 22 9 23 3 25 3 27 9 23 5 23 9 25 8 28 5 23 9 24 3 26 2 85 SHC 21 4 20 7 18 1 14 9 22 9 22 2 19 2 15 6 24 3 23 6 20 3 1 9 2 0 2 0 2 0 2 1 21 8 22 2 24 0 26 5 22 3 22 6 24 5 27 0 22 7 23 0 24 8 95 SHC 20 8 20 2 17 6 14 3 22 3 21 6 18 7 15 0 23 6 22 9 19 7 2 2 2 2 2 22 22 22 2 2 2 3 20 5 20 9 22 6 25 0 21 0 21 3 23 0 25 4 21 6 21 7 23 3 105 SHC 20 2 19 5 16 9 13 7 21 6 20 9 18 0 14 3 22 5 22 2 19 0 kW 2 4 2 4 2 4 2 4 2 4 2 4 2 5 2 5 2 5 2 5 2 5 19 2 19 5 21 1 23 3 19 8 19 9 21 5 23 7 20 7 20 4 21 7 115 SHC 19 4 18 8 16 3 13 0 20 6 20 2 17 3 13 7 21 5 21 2 18 3 kW 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 7 2 8 17 8 18 0 19 4 21 4 18 5 18 5 19 5 21 7 19 0 19 0 19 9 125 SHC 18 5 18 1 15 5 12 3 19 2 19 2 16 5 12 9 19 8 19 7 17 6 kW 2 9 2 9 3 0 3 0 3 0 3 0 3 0 3 0 3 0 3 0 3 1 50XP030 COOLING PERFORMANCE TABLE Evaporator Air CFM BF Temp F Outdoor Air 875 0 06 1000 0 07 1125 0 08 Entering Evaporator Air Ewb F Condenser TC 27 9 28 6 30 7 33 6 28 8 29 4 31 6 34 5 29 3 30 0 32 2 75 SHC 24 1 20 0 20 6 16 8 26 0 21 2 22 1 17 8 27 0 22 6 23 5 kWw 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 2 2 1 2 1 2 1 32 3 27 6 28 1 30 2 33 1 28 3 28 7 30 8 85 SHC 23 8 19 5 20 3 16 4 25 6 20 8 21 7 17 4 26 5 22 1 23 1 2 4 2 4 2 4 2 4 31 5 27 0 27 3 29 3 95 16 9 26 2 21 7 22 6 2 6 2 6 2 6 2 6 2 29 7 25 9 25 7 27 5 105 SHC 22 4 18 6 19 3 15 4 23 8 19 9 20 8 16 3 24 4 21 1 22 1 2 9 2 9 2 9 2 9
8. 33 4 36 2 39 4 34 6 34 1 36 9 40 5 36 1 34 8 37 5 41 2 125 SHC 32 1 26 2 27 6 21 5 33 8 28 2 29 7 22 9 35 6 30 2 31 9 24 4 kW 5 6 5 6 5 6 5 7 5 6 5 6 5 6 5 6 5 6 5 6 5 6 5 6 50XP060 COOLING PERFORMANCE TABLE Evaporator Air CFM BF Temp F Outdoor Air 1500 0 004 1750 0 007 2000 0 01 Evaporator Air Ewb F ondenser TC 57 2 58 2 62 4 68 1 58 8 59 7 64 0 69 8 60 0 60 8 64 9 70 8 75 SHC 49 4 47 9 41 6 33 8 53 6 51 8 44 5 35 4 57 6 55 4 47 1 36 8 kW 4 1 4 1 4 2 4 2 4 2 4 3 4 3 4 4 4 4 4 4 4 5 4 6 TC 54 7 55 6 59 7 65 2 56 2 57 0 61 1 66 6 57 4 58 1 61 9 67 4 85 SHC 48 2 46 7 40 4 32 6 52 4 50 5 43 2 34 2 56 3 54 2 45 8 35 6 kW 4 5 4 5 4 6 4 7 4 7 4 7 4 8 4 9 4 8 4 9 5 0 5 0 TC 52 2 53 0 56 9 62 0 53 5 54 3 58 0 63 2 55 0 55 3 58 7 64 1 95 SHC 47 0 45 4 39 2 31 4 51 1 49 2 41 9 32 9 55 0 52 9 44 5 34 4 kW 5 0 5 0 5 1 5 2 5 1 5 2 5 3 5 3 5 2 5 3 5 5 5 5 TC 49 4 50 2 53 8 58 7 50 7 51 4 54 8 59 6 52 5 52 4 55 4 60 2 105 SHC 45 7 44 1 37 9 30 1 49 8 47 9 40 6 31 6 52 5 51 6 43 2 33 0 kW 5 5 5 6 5 6 5 7 5 7 5 7 5 8 5 9 5 8 5 8 6 0 6 1 TC 46 5 47 2 50 5 55 0 48 1 48 3 51 3 56 8 49 7 49 7 51 8 57 0 115 SHC 44 3 42 7 36 4 28 7 48 1 46 6 39 2 30 6 49 7 49 7 41 8 31 7 kW 6 1 6 2 6 2 6 3 6 2 6 3 6 4 6 4 6 4 6 4 6 6 6 6 TC 43 3 43 9 46 7 52 2 45 2 45 1 47 4 52 5 46 4 46 4 47 9 52 2 125 SHC 42 8 41 2 34 9 27 8 45 2 45 1 37 6 28 9 46 4 46 4 40 2 29 7 kW 6 7 6 8 6 8 6 8 6 8 6 9 7 0 7 0 7 0 7 0 7 2 7 2 LEGEND sensible capacity Btuh BF Bypass Factor
9. PERFORMANCE MAYBE COMPROMISED UNIT AND UNGROUNDED SURFACES POWER ENTRY SIDE 914 0 36 00 UNIT AND BLOCK OR CONCRETE WALLS AND OTHER GROUNDED SURFACES POWER ENTRY SIDE 1066 8 42 00 DIMENSIONS IN ARE IN INCHES 1193 9 1090 6 47 00 42 94 FIELD ENTRY SERVICE PORTS LEE 23 0 nn gt FULL LOUVER p FULL LOUVER 44 5 1 75 DIA POWER ENTRY NN 12 84 184 6 1 21 COMPRESSOR BLOWER ELECTRIC HEAT ET TRICAI PA 22 2 0 88 DIA HOLE X 22 0 0 88 D P CUE FCR CAR ACCESS PANEL CONTROL ENTRY 1123 1 1226 3 T 44 22 48 28 LEFT SIDE VIEW FRONT VIEW RIGHT SIDE VIEW ELECTRICAL UNIT WEIGHT UNIT HEIGHT CENTER OF GRAVITY CHARACTERISTICS in mm in mm k Eet 2 50 042 208 230 1 60 208 230 3 60 42 98 1091 7 21 533 4 20 5 520 2 16 6 421 6 50 048 208 230 1 60 208 230 3 60 44 98 1142 5 19 5 495 3 17 6 447 6 18 0 457 2 50XP060 208 230 1 60 208 230 3 60 46 98 1193 3 21 533 4 201508 17 6 447 0 50XP 042 060 Dimensions Accessory dimensions 50XP024 036 CPRFCURBOO06A00 8 203 11 279 16 1 2 419 28 3 4 730 CPRFCURB007A00 14 356 11 279 16 1 2 419 28 3 4 730 CPRFCURBO008A00 8 203 16 3 16 411 17 3 8 441 40 1 4 1022 50XP042 060 CPRFCURBO
10. added safety and reliability to the compressor Low sound ratings ensure a quiet indoor and outdoor environment with sound ratings as low as 72 dB See page 3 Easy to service cabinets provide easy single panel accessibility to serviceable components during maintenance and installation The basepan with integrated drain pan provides easy ground level installation with or without a mounting pad Convenient handholds are provided to manipulate the unit on the jobsite A nesting feature ensures a positive basepan to roof curb seal when the unit is roof mounted convenient 3 4 in wide perimeter flange makes frame mounting on a rooftop easy Louvered Grille provides hail and vandalism protection for the coil Downflow operation is easily provided in the field to allow vertical ductwork connections The basepan utilizes knockout style seals on the bottom openings to ensure a positive seal in the horizontal airflow mode Cabinets are constructed of heavy duty phosphated zinc coated prepainted steel capable of withstanding 500 hours of salt spray Interior surfaces of the evaporator and electric heater compartments are insulated with cleanable semi rigid insulation board which keeps the conditioned air from being affected by the outdoor ambient temperature and provides improved indoor air quality Conforms to American Society of Heating Refrigeration and Air Conditioning Engineers No 62P The sloped drain pan minimi
11. for high capacity type Air filter pressure drop for non standard filters must not exceed 0 08 in wg Options and accessories Factory installed options Coil options include Tin Plated indoor hairpins copper copper and vinyl coated construction forrefrigerant coils Units are shipped standard with copper tube aluminum fin construction See model number nomenclature for coil options Tin Plated indoor coils are built with special hairpins that are designed to resist both general pitting corrosion and excessive indoor corrosion Formicary Corrosion Field installed accessories Economizer with Solid State Controls and Barometric Relief Dampers Manual Air Damper 25 open Electric Heaters Filter Rack Flat Roof Curbs 8 in and 14 in Square to Round Duct Transition Kit Thermidistat Thermostats Crankcase Heater Rigging Kit Low Ambient Kit Motormaster II Control Solid State Time Guard Device Lifting Kit Compressor Hard Start Kit Economizer with solid state controls and barometric relief dampers includes filter racks and provide outdoor air during cooling and reduce compressor operation Manual outside air damper includes hood and filter rack with adjustable damper blade for up to 25 outdoor air Electric heaters provide heat in the unit when required Each package has a heater module that slides into the controls compartment Heater sizes range from 5 to 20 kW The electric heater design allows
12. provides improved indoor air quality and more even temperatures from room to room and reduced indoor noise due to lower air velocity In addition you ll realize improved installation flexibility with 3 different airflow choices for best overall comfort Easy Installation Factory assembled package is a compact fully self contained electric 50XP cooling unit that is pre wired pre piped and pre charged for minimum installation expense 50XP units are available in a variety of standard cooling sizes with voltage options to meet residential and light commercial requirements Units are light weight and install easily on a rooftop or at ground level The hightech composite base pan eliminates rust problems associated with ground level applications Durable dependable components Scroll Compressors are designed for high efficiency Each compressor is hermetically sealed against contamination to help promote longer life and dependable operation Vibration isolation provides quiet operation Compressors have internal high pressure and overcurrent protection Convertible duct configuration Unit is designed for easy use in either downflow or horizontal applications Each unit is easily converted from horizontal to downflow Direct drive variable speed blower motor is standard on all 50XP models Direct drive PSC condenser fan motors are designed to help reduce energy consumption and provide for cooling operation down t
13. tab Vade Ewb Entering Wet Bulb 1 10 x cfm kW Total Unit Power Input tiwb Wet bulb temperature corresponding to enthalpy of air leaving SHC Sensible Heat Capacity 1000 Btuh evaporator coil hip TC Cooling Capacity 1000 Btuh total capacity Btuh ECM Electronic Computated Motor hb Wee i Bai wb ew 4 5 x cfm TVA Conditions 75 F Entering Dry Bulb Where hewb Enthalpy of air entering evaporator coil NOTES 1 Ratings are net they do account for the effects of the evaporator fan motor power and heat 2 Direct interpolation is permissible Do not extrapolate 3 The following formulas may be used 4 The SHC is based on 80 F Edb Entering dry bulb air temperature through Evaporator coil Below 80 F Edb subtract Correction Factor x CFM from SHC Above 80 F Edb add Correction Factor x CFM to SHC Correction Factor 1 10 x 1 BF x Edb 8 13 50XP Performance data cont ECONOMIZER 1 in FILTER PRESSURE DROP in wg UNIT50XP PRESSURE DROP 024 036 0 20 042 060 0 25 MULTIPLICATION FACTORS HEATER kW VOLTAGE MULTIPLICATION RATING DISTRIBUTION FACTOR 200 69 240 208 75 230 92 240 1 00 Example 15 0 kW at 240v heater on 208 v 15 0 75 mult factor 11 25 capacity at 208 v FILTER PRESSURE DROP In wg CFM oor oo for
14. 09A00 14 356 16 3 16 411 17 3 8 441 40 1 4 1022 NOTES 1 Roof curb must be set up for unit being installed Dimensions in are in millimeters Roof curb is made of 16 gage steel Attach ductwork to curb flanges of duct rest on curb Insulated panels 1 in thick fiberglass 1 Ib density Dimensions are in inches Gasketing inner flange outer flange Wood nailer y EA Flashing field supplied Roofcurb Insulation field Roofing material supplied field supplied FI Duct work Cant strip field supplied field supplied Provided with roofcurb Roof Curb for Small Cabinet Note A When unit mounting screw is used retainer bracket must also be used Supply opening Support Insulated deck pan Support Return opening strip must applied as required to unit being installed Table lists only the dimensions per part number that have changed When unit mounting screw is used see Note A a retainer bracket must be used as well This bracket must also be used when required by code for hurricane or seismic conditions This bracket is available through Micrometl Gasketing inner flange Screw 9 NOTE Gasketing outer flange Wood nailer Flashing field supplied Roofcurb Insulation field supplied Roofing material field supplied Duct work Cant strip field supplied field supplied
15. 1 35 4 31 3 30 3 32 6 115 SHC 29 3 23 7 24 8 19 3 30 0 24 8 26 0 20 0 31 0 26 4 27 7 kW 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 1 4 1 4 1 TC 27 8 27 2 29 4 32 4 28 4 27 5 29 7 32 7 29 3 28 0 30 1 125 SHC 27 5 22 8 23 9 18 4 28 2 23 8 25 0 19 1 29 0 25 4 26 7 kW 4 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 5 4 5 4 5 50XP042 COOLING PERFORMANCE TABLE Evaporator Air CFM BF Temp F Outdoor Air 1100 0 06 1225 0 07 1400 0 08 Evaporator Air Ewb 72 ex e 72 62 6 67 TC 39 6 40 4 43 4 47 6 40 5 41 2 44 2 48 4 41 5 42 1 45 1 75 SHC 33 5 27 6 28 6 23 4 35 4 29 0 30 0 24 3 37 9 30 8 31 9 kW 3 0 3 0 3 0 3 1 3 0 3 0 3 0 3 1 3 0 3 0 3 0 TC 37 9 38 7 41 5 45 5 38 7 39 4 42 3 46 3 39 7 40 2 43 2 85 SHC 32 8 26 9 27 8 22 7 34 6 28 2 29 2 23 6 37 0 30 0 31 1 kW 3 3 3 3 3 4 3 4 3 3 3 3 3 4 3 4 3 3 3 3 3 4 TC 36 2 36 8 39 6 43 4 36 9 37 5 40 3 44 1 37 8 38 2 41 0 95 SHC 32 0 26 1 27 0 21 9 33 8 27 4 28 4 22 8 35 9 29 1 30 3 kW 3 7 3 7 3 7 3 8 3 7 3 7 3 7 3 8 3 7 3 7 3 7 TC 34 2 34 8 37 4 41 0 34 9 35 4 38 0 41 6 36 0 36 0 38 7 105 SHC 31 0 25 2 26 2 21 1 32 7 26 5 27 6 22 0 34 3 28 3 29 4 kW 4 1 4 1 4 1 4 1 4 1 4 1 4 1 4 1 4 1 4 1 4 1 TC 32 1 32 6 35 0 38 4 32 8 33 1 35 5 38 9 34 0 33 7 36 1 115 SHC 30 0 24 3 25 2 20 2 31 4 25 6 26 6 21 0 32 8 27 3 28 5 kW 4 5 4 5 4 5 4 5 4 5 4 5 4 5 4 6 4 5 4 5 4 5 TC 29 8 30 1 32 3 35 3 30 6 30 5 32 7 35 7 31 7 31 0 33 2 125 SHC 28 6 23 2 24 2 19 1 29 6 24 5 25 5 20 0 30 6 26 1 27 3 kW 4 9 4 9 4
16. 2 2 83 3 98 8 112 7 100 125 26 8 26 8 3 8 5 10 412 26 8 26 8 7 5 10 20 8 24 1 34 6 38 6 11 3 15 31 3 36 1 47 6 53 6 15 19 94 41 6 48 60 5 68 5 70 70 44 5 44 5 3 8 5 18 1 20 8 44 5 44 5 5 4 7 2 26 30 44 5 48 9 7 5 10 36 1 41 7 56 5 63 5 60 70 208 230 3 60 14 7 D 11 3 15 54 2 62 5 79 1 89 5 80 90 LA 1 6 1 6 208 230 1 60 0 145 0 1 6 060 15 20 72 2 83 3 100 125 7 7 34 3 8 5 10 412 34 7 34 7 208 230 3 60 2 137 0 1 6 7 5110 20 8 24 1 37 4 41 4 11 3 15 31 3 36 1 50 5 56 5 15 19 94 41 6 48 63 3 71 3 70 80 See Legend and Notes on p 19 208 230 3 60 15 4 208 230 1 60 E 109 0 048 LA 4 3 4 3 9 1 9 1 18 LEGEND FLA Full Load Amps C UL US LRA Locked Rotor Amps MCA Minimum Circuit Amps MOCP Maximum Overcurrent Protection RLA Rated Load Amps Heater capacity KW based on heater voltage of 208v 240v amp 480v If power distribution voltage to unit varies from rated heater voltage heater KW will vary accordingly NOTES 1 In compliance with National Electrical Code requirements for multimotor and combination load equipment refer to NEC Articles 430 and 440 the overcurrent protective device for the unit shall be Power Supply fuse The CGA Canadian Gas Association units may be fuse or circuit breaker Minimum wire size is based on 60 C copper wire If other than 60 C wire is used o
17. 9 5 0 4 9 4 9 4 9 5 0 4 9 4 9 4 9 See Legend and Notes on page 13 12 45 1 24 2 2 9 43 1 23 6 3 2 40 8 22 8 3 5 38 4 22 0 3 8 35 8 21 1 4 2 33 0 20 2 4 5 49 4 25 6 3 1 47 2 24 8 3 4 44 9 24 0 3 8 42 3 23 2 4 1 39 5 22 2 4 6 36 2 21 1 5 0 Performance data cont Standard ECM Indoor Motor 50XP048 COOLING PERFORMANCE TABLE COOLING CAPACITIES Evaporator Air CFM BF Temp F gene 1260 0 06 1400 0 06 1600 0 08 Entering Evaporator Air Ewb F Condenser 67 72 67 72 67 72 TC 45 0 45 8 49 6 54 7 46 7 47 3 51 2 56 3 48 1 48 7 52 5 57 8 75 SHC 39 3 32 0 33 4 27 2 42 6 34 3 35 8 28 9 45 8 36 8 38 4 30 6 kW 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 5 3 4 3 4 3 4 3 5 TC 42 8 43 6 47 2 52 1 44 3 44 9 48 6 53 5 45 6 46 1 49 9 54 8 85 SHC 38 2 30 9 32 3 26 2 41 3 33 2 34 7 27 7 44 3 35 5 37 3 29 4 kW 3 7 3 7 3 8 3 8 3 7 3 7 3 8 3 8 3 8 3 8 3 8 3 8 TC 40 6 41 3 44 7 49 4 41 8 42 4 46 0 50 7 44 2 43 7 47 0 51 8 95 SHC 36 9 29 8 31 2 25 2 39 9 32 0 33 6 26 7 43 0 34 6 36 1 28 3 kW 4 1 4 1 4 2 4 2 4 1 4 1 4 2 4 2 4 2 4 1 4 2 4 2 TC 38 2 38 9 42 1 46 4 39 6 39 8 43 1 47 6 41 5 40 8 44 0 48 5 105 SHC 35 7 28 7 30 1 24 0 38 3 30 7 32 3 25 5 40 0 33 2 34 8 27 0 kW 4 6 4 6 4 6 4 6 4 6 4 6 4 6 4 7 4 6 4 6 4 6 4 7 TC 35 7 36 3 39 3 43 3 38 2 37 1 40 1 44 2 38 7 37 9 40 8 45 0 115 SHC 34 4 27 5 28 9 22 9 35 7 29 5 31 0 24 3 38 2 31 8 33 5 25 8 kW 5 0 5 0 5 1 5 1 5 1 5 0 5 1 5 1 5 1 5 1 5 1 5 1 TC 33 4
18. FY 1120 1290 060 COOLING DEHUMIDIFY 1400 1610 50XP ECM WET COIL PRESSURE DROP UNIT STANDARD CFM 15 Typical piping and wiring ROOF MOUNTING CURB 50XP RETURN AIR FLEXIBLE DUCT SUPPLY AIR FLEXIBLE DUCT CEILING DIFFUSER BOX FIELD SUPPLIED C00023 __ INDOOR THERMOSTAT ROM POWER SOURCE DISCONNECT PER NEC NATIONAL ELECTRICAL CODE C00063 Application data Condensate trap A 2 in condensate trap must be field supplied 1 MIN Y TRAP OUTLET 2 MIN Ductwork Secure downflow discharge ductwork to roof curb For horizontal discharge applications attach ductwork to unit with flanges To convert a unit to downflow discharge Units are equipped with factory installed inserts in the downflow openings Remove the inserts similar to removing an electrical knock out Leave on duct covers to seal the horizontal discharge openings in the unit Units installed in horizontal discharge orientation do not require duct covers Maximum cooling airflow To minimize the possibility of condensate blow off from the evaporator airflow through the units should not exceed 450 cfm ton Minimum cooling airflow The minimum airflow is 350 cfm ton for standard cooling modes Airflow can be lower in certain modes when humidity removal is an issue Minimum cooling operating outdoor air temperature All standar
19. NLY LOW PRESSURE SWITCH GRA NOT TO REPRESENT WIRING OUTDOOR FAN MOTOR um oi T SWITCH Sad SLOW BLOW FUSE c CONTACTOR THERMOSTAT COOLING CAP CAPACITOR BLU SIZE BLU TH THERMOSTAT HEATING CB CIRCUIT BREAKER Ls GST vg BLK ADJ BLK WHT DELAP WHT UNIT COMPONENT ARRANGEMENT IF ANY OF THE ORIGINAL WIRES FURNISHED ARE REPLACED OUTDOOR FAN IT MUST BE REPLACED WITH TYPE 30 DEGREE C WIRE OR SECTION OFN IT S EQUIVALENT SEE PRICE PAGES FOR THERMOSTAT AND SUBBASES USE 75 DEGREE COPPER CONDUCTORS FOR FIELD INSTALLATION REPLACE LOW VOLTAGE FUSE WITH NO GREATER THAN 5 AMP FUSE CONTROL BOX AREA TO BE WIRED IN ACCORDANCE WITH NEC AND LOCAL CODES m WW REMOVE JI WHEN USING THERMIDISTAT HUMDISTAT AND COMPRESSOR INDOOR FAN DEHUMIDIFICATION MODES SECTION SECTION REMOVE J2 WHEN USING MORE THAN ONE STAGE OF ELECTRIC HEAT SINGLE PT CONNECTION F OR er JELECT HEAT MOUNTING PANEL ABOVE INDOOR BLOWER SCHEMATIC FOR WIRING DISCONNECT PER NEC 24V SPLICE BOX 24V POWER ENTRY 506L500043 3 0 20 01037 Typical wiring schematic 208 230 3 60 SCHEMAT IC mun SUPPLY P
20. OWER SITE 2 ANG Four ew FOR 042 060 UNITS ONLY YEL HEG 3 2 AMP EE MANUAL RESET GRN YEL TRANI BRN O 0RN BRN 24v SPLICE BOX al e BRN TRAN LPS BRN ICM BOARD ACCESSORY ELECTRIC MEAT SEC HRI 5 KW HRI 8 2 10 HR1 28 3 15 W SEE NOTEI2 WR1 2 3 8 4 20 KW COMMON LEGEND SPLICE TERMINAL MARKED COMPRESSOR MOTOR SPLICE GROUND one oe See rn ELD em wi Bio Di INTEGRATED CONTROL INDOOR FAN MOTOR 10 coms TIME DELAY RELAT Bh LOW PRESSURE SWITCH NOT 10 REPRESENT WIRING ou10002 FAN MOTOR T HEAT PST B SLOW BLOW FUSE CONTACTOR THERMOSTAT COOLING CAPACITOR THERMOSTAT HEATING CIRCUIT BREAKER TRANSFORMER i 3 sl IF ANY OF THE ORIGINAL WIRES FURNISHED ARE REPLACED E MU LED WITH TYPE 90 DEGREE wiRC OR SEE PRICE PAGES FOR THERMOSTAT AND SUBBASES m T DEGREE COPPER CONDUCTORS FOR FIELD INSTALLATION COMPRESSOR SECTION 2 3 5 D 1 SINGLE PT OR ELECT HEAT MOUNTING PANEL ABOVE INDOOR BLOWER Sthewat ic DISCONNECT PER NEC 50 500001 03026 21 50XP Controls Operating sequence Cooling When the system thermostat calls for cooling 24 V is supplied to the Y and G terminals of the thermostat This completes the circuit to th
21. PERFORMANCE 13 50XP SINGLE PACKAGED ELECTRIC COOLING UNITS WITH PURON R 410A REFRIGERANT 2 to 5 Nominal Tons Product Data Puron the environmentally sound refrigerant ENERGY STAR lt lt UNIT 50XP Performance SERIES Turn to the Experts Single Packaged Products with Energy Saving Features and Puron refrigerant Low Sound Levels 13 SEER Variable Speed Blower Standard Factory Installed TXV Features Benefits One piece cooling unit with optional electric heater low installation cost dependable performance and easy maintenance Efficient operation High efficiency design with a SEER Seasonal Energy Efficiency Ratio of 13 0 Puron Environmentally Sound Refrigerant is Carrier s unique refrigerant designed to help protect the environment Puron is an HFC refrigerant which does not contain chlorine that can harm the ozone layer The most important advantage of Puron refrigerant is that it has not been banned in future air conditioning systems as the traditional refrigerant R 22 has been Puron refrigerant is in service in thousands of systems proving highly reliable environmentally sound performance IdealHumidity Technology featuring Thermidistat control and Variable Speed Blower motor that provides greater comfort humidity control and energy efficiency You can expect up to 30 times better dehumidification economical constant fan for less than 50 a year which
22. RONT VIEW RIGHT SIDE VIEW UNIT HEIGHT CENTER OF GRAVITY in mm in mm UNIT WEIGHT ELECTRICAL UNIT CHARACTERISTICS k X Y Z 50XP024 208 230 1 60 39 02 991 1 20 508 19 3 489 17 6 447 50XP030 208 230 1 60 39 02 991 1 20 508 19 3 489 17 6 447 50XP036 208 230 1 60 208 230 3 60 41 02 1041 9 20 508 14 355 6 13 330 2 50XP 024 036 Dimensions 50XP Base unit dimensions 50XP042 060 3 13 491 A RETURN I 5 xx FULL LOUVER d NE 10 M OPTIONAL OPTIONAL 4 2 11 406 6 m RETURN SUPPLY M ATR AIR 16 011 ING I SUPPLY RETURN DUCT DUCT OPENING OPENING lt Q e E ZZ COIL 347 3 Tye 2 13 61 TOP VIEW REAR VIEW REQUIRED CLEARANCES TO COMBUSTIBLE MATL REQUIRED CLEARANCE FOR OPERATION AND SERVICING MILLIMETERS CIN MILLIMETERS IN TOP OF UNIT 355 6 14 EVAP COIL ACCESS SIDE 914 0 36 00 DUCT SIDE OF UNIT 522290 POWER ENTRY SIDE 0 36 00 SIDE OPPOSITE DUCTS 355 EXCEPT FOR NEC REQUIREMENTS BOTTOM OF UNIT DEED ER UNIT m ELECTRIC HEAT PANEL ine DUCT PANEL 0014 NEC REQUIRED CLEARANCES MILLIMETERS IN MINIMUM DISTANCES IF UNIT IS PLACED LESS THAN 304 8 12 00 FROM WALL BETWEEN UNITS POWER ENTRY SIDE SYSTEM THEN SYSTEM
23. bled single piece cooling unit Con tained within the enclosure shall be all factory wiring piping controls refrigerant charge R 410A and spe cial features required prior to field start up B Unit Cabinet 1 Unit cabinet shall be constructed of phosphated zinc coated pre painted steel capable of withstand ing 500 hours of salt spray 2 Normal service shall be through a single removable cabinet panel 3 The unit shall be constructed on a rust proof base pan that has an externally trapped integrated sloped drain pan 4 Evaporator fan compartment top surface shall be in sulated with a minimum 1 2 in thick flexible fiber glass insulation coated on the air side and retained by adhesive and mechanical means The evaporator wall sections will be insulated with a minimum semi rigid foil faced board capable of being wiped clean Aluminum foil faced fiberglass insulation shall be used in the entire indoor air cavity section N 5 Unit shall have a field supplied condensate trap C Fans 1 The evaporator fan shall be direct drive variable speed motor and control as shown on equipment drawings 2 Fan wheel shall be made from steel and shall be double inlet type with forward curved blades with corrosion resistant finish Fan wheel shall be dy namically balanced 3 Condenser fan shall be direct drive propeller type with aluminum blades riveted to corrosion resistant steel spiders be dynamically balanced and
24. d units have a minimum outdoor operating temperature of 55 F With accessory low ambient temperature kit units can operate at temperatures down to 0 F Maximum cooling operating outdoor air temperature Maximum outdoor operating air temperature is 125 F 17 50XP Electrical data VOLTAGE UNIT RANGE SIZE V PH Hz 50XP OUTDOOR INDOOR MAX FUSE Eat 22 0 22 0 30 30 RLA F F 18 1 20 8 27 9 31 4 26 30 37 9 42 9 36 1 41 7 50 5 57 5 25 0 25 0 18 1 20 8 27 9 31 4 26 30 37 9 42 9 36 1 41 7 50 5 57 5 28 7 28 7 3 8 5 18 1 20 8 31 1 34 5 5 4 7 2 26 30 41 0 46 0 7 5110 36 1 41 7 53 6 60 6 60 70 11 3 15 54 2 62 5 76 2 86 6 80 90 LRA 024 208 230 1 60 13 5 61 0 030 208 230 1 60 73 0 83 0 22 9 22 9 770 10 4 12 22 9 23 5 88 0 91 0 208 230 3 60 31 3 36 1 47 6 53 6 208 230 1 60 036 356 356 3 8 5 18 1 20 8 35 6 35 6 5 4 7 2 26 30 41 0 46 0 208 230 1 60 105 0 7 5110 36 1 41 7 53 6 60 6 60 70 11345 542 625 76 2 86 6 80 90 042 15 20 72 2 83 3 98 8 112 7 100 125 26 9 26 9 3 8 5 10 4 12 26 9 26 9 7 5110 20 8 24 1 34 6 38 6 11 3 15 31 3 36 1 47 6 53 6 Es 15 19 94 41 6 48 60 5 68 5 70 70 35 0 35 0 3 8 5 18 1 20 8 35 0 35 0 5 4 7 2 26 30 41 0 46 0 7 5 10 36 1 41 7 53 6 60 6 60 70 11 3 15 54 2 62 5 76 2 86 6 80 90 15 20 7
25. dis charge air vertically D Compressor 1 Fully hermetic compressors with factory installed vibration isolation 2 Scroll compressors shall be standard on all units E Coils Evaporator and condenser coils shall have aluminum plate fins mechanically bonded to seamless copper tubes with all joints brazed Copper copper and vinyl coated construction available as option Tube sheet openings shall be belled to prevent tube wear F Refrigerant Metering Device Refrigerant metering device shall be of the TXV type G Filters Filter section shall consist of field installed throw away l in thick fiberglass filters of commercially available sizes H Controls and Safeties 1 Unit controls shall be complete with a self con tained low voltage control circuit 2 Units shall incorporate an internal compressor pro tector that provides reset capability 3 Unit shall provide High and Low Loss of Charge Pressure Safety Protection I Operating Characteristics 1 Unit shall be capable of starting and running at 125 F ambient outdoor temperature exceeding maximum load criteria of ARI Standard 210 2 Compressor with standard controls shall be capable of operation down to 55 F ambient outdoor temperature 3 Indoor Fan on off delay profile is selected for cool ing on the Easy Select Board J Electrical Requirements All unit power wiring shall enter the unit cabinet at a single location K Motors 1 Compr
26. e contactor coil C and indoor evaporator fan time delay relay TDR The normally open contacts of C close and complete the circuit to compressor motor COMP and to outdoor condenser fan motor OFM Both motors start instantly The IFM starts according to the selection pin set up on the Easy Select Board On the loss of the thermostat call for cooling 24 v is removed from both the Y and G terminals provided the fan switch is in the AUTO position deenergizing the compressor contactor and opening the contacts supplying power to compressor OFM After preselected delay the IFM shuts off If the thermostat fan selector switch is in the ON position the IFM will run continuously at speed selected on Easy Select Board 22 Heating If accessory electric heaters are installed on a call for heat circuit R W is made through the thermostat contacts Circuit R G is made which energizes the IFM If the heaters are staged then the thermostat closes a second set of contacts W2 when second stage is required When thermostat is satisfied contacts open deenergizing the heater relay After a preselected delay the IFM shuts off If the thermostat fan selector switch is in the ON position the IFM will run continuously at speed selected on Easy Select Board NOTE On units with a Time Guard II device once the compressor has started and then stopped it cannot be restarted again until 5 minutes have ela
27. e down to 0 F outdoor ambient temperature Copyright 2005 Carrier Corp 7310 W Morris St Indianapolis IN 46231 Manufacturer reserves the right to change at any time specifications or designs without notice and obligations 10 11 12 Printed in U S A Filter Rack Kit Shall provide filter mounting for downflow or hori zontal applications Square To Round Duct Transitions 024 048 Shall have the ability to convert the supply and re turn openings from rectangular to round 024 048 only Compressor Protection Time Guard II Kit Solid state control shall protect compressor by pre venting short cycling Crankcase Heater Shall provide anti floodback protection for low load cooling applications Electric heaters a Electric heater shall be available as a field installed option b Heater elements shall be open wire type ade quately supported and insulated with ceramic bushings c Electric heater packages must provide single point power connection capability Compressor Hard start kit Shall be available to give a boost to the compressor motor at each start up Single Phase only edition date 10 05 Catalog No 50XP 4PD Replaces 50XP 3PD
28. essor motors shall be of the refrigerant cooled type with line break thermal and current overload protection 2 All fan motors shall have permanently lubricated bearings and inherent automatic reset thermal overload protection 3 Condenser fan motor shall be totally enclosed 23 Guide specifications cont L Grille 1 Louvered Grille Louvered grille shall be standard on all units M Special Features Available 1 Coil Options Shall include factory installed optional tin plated indoor copper copper and vinyl coated refriger ant coils Economizer a Economizer controls capable of providing free cooling using outside air b Equipped with low leakage dampers not to ex ceed 3 leakage at 1 0 in wg pressure differen tial c Spring return motor shuts off outdoor damper on power failure Flat Roof Curb Curbs shall have seal strip and a wood nailer for flashing and shall be installed per manufacturer s instructions Manual Outdoor Air Damper Package shall consist of damper birdscreen and rainhood which can be preset to admit outdoor air for year round ventilation Thermostat To provide for one stage heating and cooling in ad dition manual or automatic changeover and indoor fan control Low Ambient Package Shall consist of a solid state control and condenser coil temperature sensor for controlling condenser fan motor operation which shall allow unit to oper at
29. ns Packaged Electric TP Base unit with tin plated indoor coil Cooling hairpins TV TP with vinyl coating on outdoor coil TC TP with AL indoor coil amp CU CU out Nominal Cooling Capacity door coil 024 2 ton 030 2 5 ton 036 3 ton 042 3 5 ton 048 4 ton 060 5 ton Only used if ordering an option V Ph Hz 3 208 230 1 60 5 208 230 3 60 AL Aluminum CU Copper ARI capacities COOLING CAPACITIES AND EFFICIENCIES NET COOLING SOUND UNIT NOMINAL STANDARD CAPACITIES SEERt RATINGS 50XP TONS CFM can SC 024 72 030 72 036 72 042 72 048 78 060 78 LEGEND 3 Tested in accordance with ARI Standard 270 95 not listed in ARI dB Sound Levels decibels NOTES db Dry Bulb 1 Ratings are net values reflecting the effects of circulating fan heat SEER Seasonal Energy Efficiency Ratio Ratings are based on wb Wet Bulb Cooling Standard 80 F db 67 F wb indoor entering air tempera Air Conditioning amp Refrigeration Institute ture and 95 F db outdoor entering air temperature A Conditions 80 F indoor db 67 F indoor amp 95 F outdoor db 2 Before purchasing this appliance read important energy cost and T Rated in accordance with U S Government DOE Department of efficiency information available from your retailer Energy test procedures and or ARI Standard 210 240 94 OUTDOOR SOUND OCTAVE BAND DATA DECIBELS Lw A
30. o 55 F outdoor temperature Motormaster II low ambient kit is available as a field installed accessory Corporate thermostats include the Time Guard anti short cycle protection circuitry If a non Corporate thermostat without anti short cycle Table of contents protection is used the Time Guard II field installed anti short cycle kit is recommended Refrigerant system is designed to provide dependability Liquid refrigerant filter driers are used to promote clean unrestricted operation Each unit leaves the factory with a full Puron refrigerant charge Refrigerant service connections are standard on the suction and discharge lines for checking operating pressures Thermostatic Expansion Valve A hard shutoff balance port TXV maintains a constant superheat at the evaporator exit cooling cycle resulting in higher overall system efficiency Evaporator and condenser coils are computer designed for optimum heat transfer and cooling efficiency The evaporator coil is fabricated from copper tube and aluminum fins and is located inside the unit for protection against damage The condenser coil is internally mounted on the top tier of the unit Copper fin coils and pre coated fin coils are available from the factory by special order These coils are recommended in applications where aluminum fins are likely to be damaged due to corrosion They are ideal for seacoast applications High and Low Pressure Switches give
31. or start up by providing additional starting torque on single phase units and prolongs compressor motor life ELECTRIC HEATERS ODS CATALOG NOMINAL CAPACITY USED WITH SIZES ORPERINENG 060 ELECTRIC HEATERS 208 230 SINGLE PHASE 60 Hz CPHEATER052A00 x CPHEATER069A00 X CPHEATER065A00 X CPHEATERO051A00 X CPHEATER053A00 X CPHEATER055A00 X CPHEATER056A00 X CPHEATER057A00 x CPHEATER059A00 X LEGEND ODS Order Distribution System NOTE Electric heaters are rated at 240 v Refer to Multiplication Factors table for other voltages MINIMUM AIRFLOW FOR RELIABLE ELECTRIC HEATER OPERATION UNIT 04 506 02 08 O 060 AIRFLOW 1800 ECONOMIZER FILTER ECONOMIZER CAULK BOTTOM CORNER OF ECONOMIZER ON EACH SIDE HINGED FILTER ACCESS DOOR FILTER FLANGE ON BASE FILTER RACK BEND FLANGE AT 90 SCREW TO DIVIDER WITH 1 IN SCREW MANUAL AIR HOO DAMPER BLADE FILTER ACCESS DOOR HORIZONTAL APPLICATION ONLY DO NOT REMOVE FROM DOWNFLOW DISCHARGE REPLACEMENT PANEL HOLE FOR ECONOMIZER WIRING HARNESS INSTALL FILTER ACCESS DOOR STICKER ALUMINUM FILTER MANUAL OUTSIDE AIR DAMPER REPLACEMENT PANEL A OUTSIDE d D Base unit dimensions 50XP024 036 54 1 254 1 10 00 10 00 we FULL LOUVER A RETURN E
32. psed The indoor blower operation with a call for fan operation G in cooling mode will perform by the on off delay profile selected at start up on the Easy Select Board Guide specifications Packaged Electric Cooling Units Constant Volume Application HVAC Guide Specifications Size Range 2 to 5 Tons Nominal Cooling Carrier Model Number 50XP Part 1 General SYSTEM DESCRIPTION Outdoor rooftop or ground mounted electric cooling unit utilizing a hermetic compressor for cooling duty and optional electric heating Unit shall discharge sup ply air vertically or horizontally as shown on contract drawings Condenser fan coil section shall have a draw thru design with vertical discharge for minimum sound levels QUALITY ASSURANCE A Unit shall be rated in accordance with ARI Standards 10 240 94 and 270 95 B Unit shall be designed in accordance with UL Standard 1995 C Unit shall be manufactured in a facility registered to ISO 9001 manufacturing quality standard D Unit shall be UL listed and c UL certified as a total package for safety requirements E Roof curb shall be designed to conform to NRCA Stan dards F Insulation and adhesives shall meet NFPA 90A re quirements for flame spread and smoke generation G Cabinet insulation shall meet ASHRAE Standard 62P DELIVERY STORAGE AND HANDLING Unit shall be stored and handled per manufacturer s recommendations Part 2 Products EQUIPMENT A General Factory assem
33. r if length exceeds wire length in table determine size from NEC Unbalanced 3 Phase Supply Voltage Never operate a motor where a phase imbalance in supply volt age is greater than 2 Use the following formula to determine the percentage of voltage imbalance Voltage imbalance max voltage deviation from average voltage 100 x average voltage EXAMPLE Supply voltage is 460 3 60 AB 452 v 464 v 455 v Average Voltage ae 1371 3 457 Determine maximum deviation from average voltage 457 452 464 457 7v 457 455 2 Maximum deviation is 7 v Determine percent of voltage imbalance 7 Voltage Imbalance 100 x 457 1 53 This amount of phase imbalance is satisfactory as it is below the maximum allowable 2 IMPORTANT If the supply voltage phase imbalance is more than 2 contact your local electric utility company immediately 19 50XP Typical wiring schematic 208 230 1 60 SCHEMATIC S 208 230 1 60 MAXIMUM WIRE BLK SIZE 2 AWG LN YEL e VEL OFM USED WITH ACCESSORY EQUIP GND De BEN ELECT HEAT EEN S FOR 042 060 UNITS ONLY HEATER OPTION 5 KW 024 042 2 AWG MAX WIRE 30 AMP FOR 5 KW FUL 8 FUA USED WITH ELECT ACCESSORY ELECT HEAT HEAT OPTION ONLY USED WITH HEATER OPTIONS 60 AMP S 5KW 048 060 10KW
34. the Electric Heater Packages table for 208 240 single phase 036 unit The 5 kW heater at 240v most 10 IV Large Base 060 99 77 119 198 492 closely satisfies the heating required To calculate kW at 208v multiply the heater KW by multiplication factor 0 75 found in the Wattage Multiplication Factors table 5 kW x 0 75 3 75 kW 3 75 kW x 3414 Btuh kW 12 802 50 Btuh Determine fan speed and power requirements at design conditions Before entering the air delivery tables calculate the total static pressure required From the given Filter Pressure Drop table and the Accessory Electric Heat Pressure Drop table find Wet coil pressure drop 0 032 in wg External static pressure 0 200 in wg Filter 0 130 in wg Total static pressure 0 362 in wg Enter the table for Dry Coil Air Delivery At 0 362 in wg external static pressure and NOM speed pin selection the motor delivers 1235 cfm Select unit that corresponds to power source available The Electrical Data table shows that the unit is designed to operate at 208 230 1 60 Performance data standard ECM Indoor Motor COOLING CAPACITIES 50XP024 COOLING PERFORMANCE TABLE Evaporator Air CFM BF Temp F Outdoor Air 800 0 026 900 0 032 1000 0 04 Ening Evaporator Air Ewb F 63 72 62 ex ez 72 62 6 67 24 0 24 5 26 5 29 1 24 6 25 1 27 1 29 8 25 1 25 5 27 4 SHC 21 9 21 3 18 7 15 4 23 5 22 8 19 8 16 1 25 0 24
35. the use of a single point power supply for the entire unit resulting in lower installed costs Flat roof curbs in both 8 in and 14 in sizes are available for roof mounted applications Square to round duct transition kit enables 024 048 size units to be fitted to 14 in round ductwork Thermidistat Control coupled with the system s variable speed indoor blower delivers Carrier s patented IdealHumidity Technology that allows for even greater humidity control Along with more precisely controlling temperature and humidity the Thermidistat offers full seven day programmability allowing you to further customize your comfort and energy savings Thermostats provide control for the system heating and cooling functions Thermostat models are available in both programmable and non programmable versions Lifting kit including 4 metal brackets that are available to assist in lifting this product onto a roof application Crankcase heater provides anti floodback protection for low load cooling applications Low ambient kit Motormaster II control allows the use of mechanical cooling down to outdoor temperatures as low as 0 Solid state Time Guard II device provides short cycling protection for the compressor Not required with corporate electronic thermostats Filter rack features easy installation serviceability and high filtering performance for vertical or horizontal applications Compressor Hard start kit assists compress
36. zes standing water in the drain which is provided with an external drain Standard metal duct covers with insulation come with the unit and cover the horizontal duct openings These can be left in place if the unit is converted to downflow Page Peatures Benelfits eae hs AE D EA arc NC duk brede use MN 1 2 Model Number Nomenclature 1 umi re tiene RAR eS ET ENEE bad hate E 3 Capaciues 3 Physical aa 4 Opti ns and Acc ssones arna AA e S DD ha a ete ET NA INA ae 5 6 Base Unit Dimensions P PSP OM Ede egeat pius aiite us aa 7 8 Accessory DIMENSIONS os ET e resque toes Das tenes TERCER T etr pee EN 9 Selection Procedure snu gras aS STM SA SENASTE ee ae 10 Performance y u UE UEM EU RP rU E E ERN RO amis Ee D RA RARO ET 11 15 Typical Pipins and Wing ROPA o ERRARE LU EHE Ella ua FEAR CS ees 16 Application CUR e am ee 17 Blectrical Data russeren sete Surses DA 18 19 Typical Witing Schematics s ee eL e PTS ee Ete cea es ME BSE ROAR EG 20 21 COMMONS LEE 22 GUESS EE ale oa 23 24 2 Model number nomenclature 50XP 024 3 Options BT AL evap vinyl condens Model Number CC ALevap CU condens 50XP Single CU CU evap amp conde
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