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Carrier R-410A, Installation And Service Instructions Manual

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Carrier R-410A Installation And Service Instructions Manual Download Page 19

19

Fig. 17 — Unit Wiring

    LEGEND

NOTE: Use copper conductors only.

EQUIP

—

Equipment

GND

—

Ground

HC

—

Heating Contactor

HTR

—

Electric Heater

IFC

—

Indoor-Fan Contactor

IFM

—

Indoor-Fan Motor

TB

—

Terminal Block

T’STAT

—

Thermostat

Factory Wiring

Field Control Wiring

Summary of Contents for R-410A

Page 1: ...branch for information or assistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Refer to the individual instructions package Follow all safety codes Wear safety glasses and work gloves Use quenching cloths for brazing operations and have a fire extinguisher available Read these instructions thoroughly and follow all warnings or cau...

Page 2: ...removing shipping skid Remove metal banding top skid and plastic wrap Examine unit for shipping damage If shipping damage is evident file claim with transportation agency Remove base skid just prior to actual installation Check nameplate information against available power supply and model number description in Fig 3 NOTE Be sure to remove the styrofoam shipping pad from the thermostatic expansion...

Page 3: ...n of airflow 3 Recommended clearance Rear 3 in 76 mm Front 2 ft 6 in 762 mm Right Side 2 ft 6 in 762 mm Left Side 2 ft 6 in 762 mm Local codes or jurisdiction may prevail 4 Liquid piping not supplied by Carrier 5 Duct flange is factory supplied and field installed UNIT UNIT WEIGHT lb kg 40RUA 25 730 331 40RUS 25 683 310 ...

Page 4: ...nsions in are in millimeters 2 Direction of airflow 3 Recommended clearance Rear 3 in 76 mm Front 2 ft 6 in 762 mm Right Side 2 ft 6 in 762 mm Left Side 2 ft 6 in 762 mm Local codes or jurisdiction may prevail 4 Liquid piping not supplied by Carrier 5 Duct flange is factory supplied and field installed 6 40RUS may require alternate or additional field favricated poping access holes ...

Page 5: ... No of Splits 2 2 2 No of Circuits per Split 18 20 24 Split Type Percentage Face 50 50 Fins in 17 15 15 PIPING CONNECTIONS Quantity Size in DX Coil Suction ODF 2 11 8 2 13 8 2 13 8 DX Coil Liquid Refrigerant ODF 2 5 8 Steam Coil In MPT 1 21 2 Steam Coil Out MPT 1 1 2 Hot Water Coil In MPT 1 2 Hot Water Coil Out MPT 1 2 Condensate PVC 1 11 4 ODM 1 IDF FILTERS Throwaway Factory Supplied Quantity Siz...

Page 6: ... 2 2 2 No of Circuits per Split 18 20 24 Split Type Percentage Face 50 50 Fins m 670 591 591 PIPING CONNECTIONS Quantity Size in DX Coil Suction ODF 2 11 8 2 13 8 2 13 8 DX Coil Liquid Refrigerant ODF 2 5 8 Steam Coil In MPT 1 21 2 Steam Coil Out MPT 1 1 2 Hot Water Coil In MPT 1 2 Hot Water Coil Out MPT 1 2 Condensate PVC 1 11 4 ODM 1 IDF FILTERS Throwaway Factory Supplied Quantity Size mm 4 406 ...

Page 7: ...q ft Upper 11 0 12 4 15 5 Face Area sq ft Lower 8 3 12 4 12 4 Rows Fins in 3 15 PIPING CONNECTIONS Quantity Size in Chilled Water In 2 13 8 ODM 2 21 8 ODM 2 21 8 ODM Chilled Water Out 2 13 8 ODM 2 21 8 ODM 2 21 8 ODM Steam Coil In MPT 1 21 2 Steam Coil Out MPT 1 11 2 Hot Water Coil In MPT 1 2 Hot Water Coil Out MPT 1 2 Condensate PVC 1 11 4 ODM 1 IDF FILTERS Throwaway Factory Supplied Quantity Siz...

Page 8: ...15 1 44 Face Area sq m Lower 0 77 1 15 1 15 Rows Fins m 3 591 3 591 3 591 PIPING CONNECTIONS Quantity Size in Chilled Water In 2 13 8 ODM 2 21 8 ODM 2 21 8 ODM Chilled Water Out 2 13 8 ODM 2 21 8 ODM 2 21 8 ODM Steam Coil In MPT 1 21 2 Steam Coil Out MPT 1 11 2 Hot Water Coil In MPT 1 2 Hot Water Coil Out MPT 1 2 Condensate PVC 1 11 4 ODM 1 IDF FILTERS Throwaway Factory Supplied Quantity Size mm 4...

Page 9: ...r Fan Coil Puronr R 410A Refrigerant 0 Standard Type of Coil Not Used A Standard DX Coil A Place Holder S Chilled Water Coil Refrigerant Options Service Options C Hot Water Coil A None B Steam Coil 0 Non Painted Cabinet 1 Painted Cabinet Nominal Tonnage 25 20 Tons 28 25 Tons Not Used 30 30 Tons A Place Holder Not Used 0 Place Holder Not Used A Place Holder Design Rev Catalog Model Number Indoor Fa...

Page 10: ...10 Fig 6 Preferred Suspension Technique OVERHEAD SUSPENSION ACCESSORY UNIT SIZE 25 UNIT SIZES 28 30 NOTE Dimensions in are millimeters ...

Page 11: ...or part numbers Knockouts are provided in the unit corner posts for 40RU refrigerant piping See Fig 7 which also lists recommended knockouts and access holes to use for each 40RU unit size Recommended fittings are listed in Table 3 The sensor bulb capillary tubes must be routed from the TXVs inside the unit through one of the piping access holes Clamp the TXV sensor bulb on a vertical portion of t...

Page 12: ...sing bulbs The TXVs and equilizer lines are factory installed UPPER SPLIT AIRFLOW LOWER SPLIT AIRFLOW 15 DIAMS MIN 10 DIAMS 8 DIAMS MIN TXV SENSING BULB EQUALIZER LINE SIGHT GLASS TXV SOLENOID VALVE FILTER DRIER TXV SENSING BULB TXV 8DIAMS MIN 15 DIAMS MIN 10 DIAMS INDOOR COIL EQUALIZER LINE Not required when mated to units 38AP_025 060 FIRST ON LAST OFF B VERTICAL INSTALLATION FIRST ON LAST OFF A...

Page 13: ...ECTION TYPE CIRCUIT FITTINGS REQUIRED in 40RUA25 1 Suction Lower 11 8 Street Elbow 11 8 Nipple 75 8 L 11 8 Long Radius Elbow 2 Liquid Lower 5 8 Street Elbow 5 8 Nipple 61 2 L 5 8 Long Radius Elbow 3 Liquid Upper 5 8 Street Elbow 5 8 Nipple 91 2 L 5 8 Long Radius Elbow 4 Suction Upper 11 8 Nipple 55 8 L 11 8 Long Radius Elbow 11 8 Nipple 11 L 11 8 Long Radius Elbow 40RUS25 4 Supply Lower 13 8 Long ...

Page 14: ... Long Radius Elbow 13 8 Nipple 231 4 L 13 8 Long Radius Elbow 40RUS 28 30 5 Supply Lower 21 8 Long Radius Elbow 21 8 Nipple 31 2 L 21 8 Long Radius Elbow 6 Return Lower 21 8 Long Radius Elbow 21 8 Nipple 3 L 21 8 Long Radius Elbow 7 Return Upper 21 8 Long Radius Elbow 21 8 Nipple 67 8 L 21 8 Long Radius Elbow 8 Supply Upper 21 8 Long Radius Elbow 21 8 Nipple 117 8 L 21 8 Long Radius Elbow 40RUA 30...

Page 15: ...ng See Fig 7 which lists recommended knockouts and access holes to use for each 40RUS unit size To size design and install chilled water piping consult the Carrier System Design manual See Fig 11 for an example of a typical installation Recommended fittings are listed in Table 3 To access 40RUS coil vents and drains remove the unit side panel over the coil header Vent and drain plugs are on the to...

Page 16: ...de service clearance around drain line to permit removal of unit panels Observe all local sanitary codes Fig 13 Drain Pan Slope Adjustment As shipped the unit s condensate drain pan is NOT sloped to wards the drain connection The pan slope must be changed to pitch towards the side of the unit with the drain connection See Fig 13 Loosen the 2 screws next to the drain outlet at both ends of the unit...

Page 17: ...ical ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Do not use gas piping as an electrical ground Unit cabinet must have 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 lug in control compartment or condu...

Page 18: ...13 4 16 8 30 575 3 60 518 632 10 0 7 46 10 3 12 9 20 LEGEND Motors are designed for satisfactory operation within 10 of nominal voltages shown Voltages should not exceed the limits shown in the Voltage Limits column NOTES 1 Minimum circuit amps MCA and MOCP values are calculated in accor dance with NEC National Electrical Code Article 440 2 Motor FLA values are established in accordance with UL Un...

Page 19: ...LEGEND NOTE Use copper conductors only EQUIP Equipment GND Ground HC Heating Contactor HTR Electric Heater IFC Indoor Fan Contactor IFM Indoor Fan Motor TB Terminal Block T STAT Thermostat Factory Wiring Field Control Wiring ...

Page 20: ...he unit s return air inlet near the filter rack using a canvas connection to prevent transmission of unit vibration If the duct blocks off the unit s access panel provide a slip joint in the ductwork to permit removal for servicing OUTDOOR AIR INLET CONNECTION Connect outdoor air inlet to field installed accessory economizer Refer to Economizer Installation Instructions Return Air Filters Type and...

Page 21: ...ng of all electrical connections Most unit service can be performed by removing one or both of the unit s side panels Coil cleaning or removal or insulation cleaning may require removal of a rear top or bottom panel depending on the unit s orientation When service is completed replace unit panels Panels Panels are fastened to unit frame with sheet metal screws Fan and coil compartment must be seal...

Page 22: ... of the fan housing and tighten locking bolts Clearance between wheel and housing should be the same on both sides Fan Belts Motor mounting plate and motor support angles are slotted to permit both vertical and horizontal adjustment Adjust belt s for correct deflection by loosening motor plate mounting bolts moving motor plate assembly forward or back and retightening bolts Press down on belt with...

Page 23: ...eeze protection methods follow Circulate hot water within the water coil s supply main or supplementary space heating Close off supply lines to unit and open a union or field supplied drain valve in the return line After draining as much water as possible from coils add sufficient antifreeze to prevent residual water in the coil from freezing Add a sufficient quantity of non corrosive antifreeze t...

Page 24: ...ng and tilting them out of the filter track See Fig 15 and 26 Use the factory supplied filter hook to slide filters within reach for removal The filter hook is shipped inside the unit in the filter track 4 Reverse the procedure to install new filters Fig 25 Remove Filter Retainer Clip Fig 26 Filter Removal Replacement UNIT OPERATION HAZARD Failure to follow this caution could cause equipment damag...

Page 25: ...rpm 1745 1755 1755 Hp 5 0 7 5 10 0 Frame NEMA 184T S213T D215T Shaft Dia in 11 8 13 8 13 8 LEGEND NEMA National Electrical Manufacturers Association UNIT 40RUA 25 40RUS 25 40RUA 28 40RUS 28 40RUA 30 40RUS 30 208 230 3 60 and 460 3 60 Speed rpm 1745 1745 1745 Hp 7 5 10 0 10 0 Frame NEMA S213T S215T S215T Shaft Dia in 13 8 13 8 13 8 575 3 60 Speed rpm 1755 1750 1750 Hp 7 5 10 0 10 0 Frame NEMA S213T...

Page 26: ... 29 25 Shaft kW 3 73 5 60 7 46 Frame NEMA 184T S213T S215T Shaft Dia mm 28 6 34 9 34 9 LEGEND NEMA National Electrical Manufacturers Association UNIT 40RUA 25 40RUS 25 40RUA 28 40RUS 28 40RUA 30 40RUS 30 208 230 3 60 and 460 3 60 Speed r s 29 08 29 17 29 17 Shaft kW 5 60 7 46 7 46 Frame NEMA S213T S215T S215T Shaft Dia mm 34 9 34 9 34 9 575 3 60 Speed r s 29 25 29 17 29 17 Shaft kW 5 60 7 46 7 46 ...

Page 27: ...HAFTS CENTER DISTANCE in 9 12 10 99 6 67 9 43 6 67 9 43 Four belts shipped with unit Use correct set of 2 belts sized according to the pully setting UNIT 40RUA 25 40RUS 25 40RUA 28 40RUS 28 40RUA 30 40RUS 30 MOTOR DRIVE Motor Pulley Pitch Diameter in 4 3 5 3 4 3 5 3 4 3 5 3 Pulley Factory Setting Full Turns Open 3 0 3 0 3 0 FAN DRIVE Pulley Pitch Dia in 9 4 9 4 9 4 Pulley Bore in 17 16 115 16 115 ...

Page 28: ...NCE in 8 16 10 02 6 67 9 43 6 67 9 43 It is possible to adjust drive so that fan speed exceeds maximum allowable DO NOT exceed 1200 rpm UNIT 40RUA 25 40RUS 25 40RUA 28 40RUS 28 40RUA 30 40RUS 30 MOTOR DRIVE Motor Pulley Pitch Diameter mm 94 0 119 4 109 2 134 6 109 2 134 6 Pulley Factory Setting Full Turns Open 3 0 3 0 3 0 FAN DRIVE Pulley Pitch Dia mm 239 279 279 Pulley Bore mm 36 5 49 2 49 2 Belt...

Page 29: ...ION 6 6 6 SHAFTS CENTER DISTANCE mm 232 279 169 240 169 240 Four belts shipped with unit Use correct set of 2 belts sized according to the pully setting UNIT 40RUA 25 40RUS 25 40RUA 28 40RUS 28 40RUA 30 40RUS 30 MOTOR DRIVE Motor Pulley Pitch Diameter mm 109 2 134 6 109 2 134 6 109 2 134 6 Pulley Factory Setting Full Turns Open 3 0 3 0 3 0 FAN DRIVE Pulley Pitch Dia mm 188 203 203 Pulley Bore mm 3...

Page 30: ... 88 924 10 57 958 11 27 991 11 99 1024 12 73 40RUA 30 40RUS 30 9 000 521 1 99 550 2 25 616 2 77 676 3 23 731 3 72 782 4 20 829 4 70 10 500 596 3 16 623 3 40 672 3 89 720 4 40 767 4 94 814 5 50 859 6 05 12 000 673 4 63 698 4 90 743 5 45 785 6 02 826 6 62 867 7 23 908 7 87 13 500 751 6 51 773 6 82 815 7 44 853 8 06 890 8 71 927 9 38 963 10 07 15 000 829 8 84 850 9 19 888 9 88 924 10 57 958 11 27 991...

Page 31: ...1 15 74 6 61 40RUA 30 40RUS 30 4250 8 68 1 48 9 17 1 68 10 27 2 07 11 27 2 41 12 19 2 77 13 03 3 13 13 81 3 50 4960 9 93 2 35 10 38 2 53 11 21 2 90 11 99 3 28 12 78 3 68 13 56 4 10 14 32 4 51 5660 11 21 3 45 11 63 3 66 12 38 4 07 13 08 4 49 13 76 4 93 14 45 5 39 15 14 5 87 6370 12 51 4 85 12 89 5 08 13 58 5 54 14 22 6 01 14 83 6 49 15 44 6 99 16 05 7 51 7080 13 82 6 59 14 17 6 85 14 81 7 36 15 40 ...

Page 32: ... 02 935 7 64 12 500 756 5 92 778 6 22 819 6 83 860 7 47 901 8 14 942 8 83 983 9 52 40RUA 30 40RUS 30 9 000 539 2 18 569 2 39 626 2 85 683 3 34 739 3 83 791 4 32 837 4 82 10 500 620 3 37 646 3 62 695 4 13 744 4 68 793 5 25 842 5 83 888 6 41 12 000 701 4 94 724 5 22 769 5 80 811 6 40 854 7 04 897 7 69 940 8 36 13 500 783 6 95 804 7 27 844 7 91 883 8 57 920 9 26 958 9 97 996 10 71 15 000 865 9 45 884...

Page 33: ... 5900 12 60 4 42 12 96 4 64 13 65 5 09 14 33 5 57 15 01 6 07 15 40 6 58 16 38 7 10 40RUA 30 40RUS 30 4250 8 99 1 62 9 49 1 78 10 44 2 12 11 39 2 49 12 32 2 86 13 18 3 22 13 95 3 59 4960 10 33 2 51 10 77 2 70 11 59 3 08 12 40 3 49 13 22 3 92 14 03 4 35 14 79 4 78 5660 11 68 3 68 12 07 3 90 12 81 4 33 13 52 4 77 14 23 5 25 14 95 5 74 15 66 6 23 6370 13 04 5 18 13 40 5 42 14 07 5 90 14 71 6 39 15 34 ...

Page 34: ...OP ENGLISH Legend and Notes for Tables 10B and 10D LEGEND ESP External Static Pressure NOTES 1 Maximum allowable fan speed for size 25 units is 20 r s Maximum allowable fan speed for size 28 and 30 units is 18 3 r s 2 Fan performance is based on deductions for wet coil clean 51 mm filters and unit casing See table at right for factory sup plied filter pressure drop 3 Refer to fan motor and drive t...

Page 35: ...ECKED Y N _____ ARE ALL WIRING TERMINALS including main power supply TIGHT Y N _____ HAVE OUTDOOR UNIT CRANKCASE HEATERS BEEN ENERGIZED FOR 24 HOURS Y N ______ INDOOR UNIT HAS WATER BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE Y N _____ ARE PROPER AIR FILTERS IN PLACE Y N _____ HAVE FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMENT Y N ______ DO THE FAN BELTS HAVE PROPER TENSION Y N _...

Page 36: ..._____________________________________________________________________________ ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ _____________...

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