Bryant 524J Series Installation, Start-Up And Service Instructions Manual Download Page 32

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Legend and Notes for Tables 10A and 10C

LEGEND

Bhp

--- Brake Horsepower Input to Fan

ESP

--- External Static Pressure

NOTES:
1. Maximum allowable fan speed for size 25 units is 1200 rpm . Maximum

allowable fan speed for size 28 and 30 units is 1100 rpm.

2. Fan performance is based on deductions for wet coil, clean 2-in. filters,

and unit casing. See table at right for factory-supplied filter pressure drop.

3. Refer to fan motor and drive tables for additional data.

FACTORY-SUPPLIED PRESSURE DROP — ENGLISH

UNIT

AIRFLOW

(Cfm)

PRESSURE DROP

(in. wg)

524J*25A

524J*25H

6,000

0.12

8,000

0.19

10,000

0.26

524J*28A

7,500

0.15

10,000

0.22

12,500

0.30

524J*30A

9,000

0.19

12,000

0.29

15,000

0.40

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-supplied filter

pressure drop.

3. Refer to fan motor and drive tables for additional data.

FACTORY-SUPPLIED PRESSURE DROP — SI

UNIT

AIRFLOW

(L/s)

PRESSURE DROP

(Pa)

524J*25A

524J*25H

2900

3800

4700

524J*28A

3500

4700

5900

524J*30A

4250

5650

7050

524J

Summary of Contents for 524J Series

Page 1: ...er service agency or your distributor or 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 ...

Page 2: ...allation must conform with local building codes and with the NEC National Electrical Code or ANSI American National Standards Institute NFPA National Fire Protection Association latest revision Refer to provincial and local plumbing or wastewater codes and other applicable local codes Moving and Storage To transfer unit from truck to storage site use a fork truck Do not stack units more than 2 hig...

Page 3: ...2 2 No of Circuits per Split 18 20 24 Split Type Percentage Face 50 50 Rows Fins in 4 15 4 15 4 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 Size in ...

Page 4: ...Circuits per Split 18 20 24 Split Type Percentage Face 50 50 Rows Fins m 4 591 4 591 4 591 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 x ...

Page 5: ...its per Split 2 Split Type Percentage Face 50 50 Rows Fins in 4 15 PIPING CONNECTIONS Quantity Size in DX Coil Suction ODF 2 11 8 DX Coil Liquid Refrigerant ODF 2 5 8 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 in 4 16 x 20 x 2 4 16 x 24 x 2 Access Location R...

Page 6: ...uits per Split 2 Split Type Percentage Face 50 50 Fins m 591 PIPING CONNECTIONS Quantity Size in DX Coil Suction ODF 2 11 8 DX Coil Liquid Refrigerant ODF 2 5 8 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 4 406 x 610 x 51 4 406 x 508 x 51 Access Location R...

Page 7: ...ion of airflow 3 Recommended clearance Rear 3 in 914 mm 2 ft 6 in 762 mm with electric heat accessory 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 C10834 Fig 1 Dimensions Size 25 524J ...

Page 8: ... in are in millimeters 2 Direction of airflow 3 Recommended clearance Rear 3 in 914 mm 2 ft 6 in 762 mm with electric heat accessory 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 C10835 Fig 2 Dimensions Sizes 28 and 30 524J ...

Page 9: ...c o l g n i r u t c a f u n a M 5 r e b m u n l a i t n e u q e S 6 10 1 2 3 4 5 6 7 8 9 10 2 6 1 0 G 1 2 3 4 5 POSITION NUMBER TYPICAL Year of manufacture 10 2010 3 4 C 0725 Fig 4 Serial Number Nomenclature TXV COIL REMOVE FOAM BLOCK LEGEND TXV Thermostatic Expansion Valve C10683 Fig 5 Foam Block Location Unit Positioning The unit can be mounted on the floor for vertical application with return a...

Page 10: ...to overhead suspension accessory drawing Fig 7 for preferred suspension technique The unit needs support underneath to prevent sagging IMPORTANT Do NOT attempt to install unit with return air entering top panel of unit Condensate will not drain from unit NOTE Dimensions in are millimeters OVERHEAD SUSPENSION ACCESSORY UNIT SIZE 25 OVERHEAD SUSPENSION ACCESSORY UNIT SIZES 28 30 C10728 Fig 7 Preferr...

Page 11: ...with R 410A See Table 2 for part numbers Knockouts are provided in the unit corner posts for 524J refrigerant piping See Fig 8 which also lists recommended knockouts and access holes to use for each 524J 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 o...

Page 12: ...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 C10726 Fig 9 Face Split Coil Suction and Liquid Line Piping Typical FIRST ON LAST OFF B VERTICAL INSTALLATION FIRST ON LAST OFF A HORIZONTAL INSTALLATION C10688 Fig 10 Typical Evaporator Coil Connections 524J LEGEND TXV Thermostatic Expans...

Page 13: ...per 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 524J 25H 3 Suction Lower 11 8 Nipple 3 L 11 8 Long Radius Elbow 5 Suction Lower 5 8 Nipple 27 8 L 5 8 45_ Elbow 5 8 Nipple 15 8 L 5 8 Long Radius Elbow 6 Liquid Upper 5 8 Nipple 27 8 L 5 8 45_ Elbow 5 8 Nipple 41 4 L 5 8 Long Radius Elbow 7 ...

Page 14: ...2 Condensate Drains NOTE A trap must be installed in the condensate drain line to ensure that the static pressure of fans is balanced with the water column in the drain line and that condensate can drain completely from pan Without a trap air can be drawn up drain line until water level in condensate pan becomes equal to static pressure created by fans preventing complete drainage Conditions will ...

Page 15: ...and local electrical codes WARNING FIRE HAZARD Failure to follow this warning could result in intermittent operation or performance satisfaction Do not connect aluminum wire between disconnect switch and fan coil unit Use only copper wire See Fig 14 WARNING COPPER WIRE ONLY ELECTRIC DISCONNECT SWITCH ALUMINUM WIRE A93033 Fig 14 Disconnect Switch and Unit Install disconnect switch and power wiring ...

Page 16: ...hin 10 of normal voltage shown Voltages should not exceed the limits shown in the Voltage Limits column NOTES 1 Minimum circuit amps MCA and MOCP values are calcu lated in accordance with The NEC Article 440 2 Motor FLA values are established in accordance with Under writers Laboratories UL Standard 1995 3 Unbalanced 3 Phase Supply Voltage Never operate a motor where a phase imbalance in supply vo...

Page 17: ...st be bent in the middle to conform to the discharge opening See Fig 19 After flanges are installed connect them to the supply duct using a canvas connection to prevent vibration It is important that this connection be properly fabricated to prevent high air friction losses and air noise RETURN CONNECTIONS When using return air ductwork route return air duct to the unit s return air inlet near the...

Page 18: ...18 C10696 Fig 18 Typical Fan Discharge Connections for Multiple Fan Units C10697 Fig 19 Duct Flange Installation 524J ...

Page 19: ...GEUR INTÉRIEUR C10827 Fig 20 Label TXV Bulb Location Adjusting TXV for Superheat The unit mounted thermostatic expansion valve s is are factory set to provided superheat at the bulb location in 10_F to 15_F 5 5_C to 8 3_C range Actual system load conditions may require adjustment of the factory setting To adjust the TXV superheat setting 1 Remove the seal cap from the bottom of the TXV body 2 To i...

Page 20: ...f fan and fan shaft assembly are not properly centered blades may scrape against the blower side scroll plate or may create an objectionable whistling noise It may be necessary to adjust individual fan wheels or move entire fan shaft See the following two sections Fan Shaft Position Adjustment Loosen setscrew or locking collar of each fan shaft bearing Slide shaft into correct position and replace...

Page 21: ...eys visually and tighten setscrews on fan pulley to lock it in place 3 Use the methods shown in Fig 26 to check proper pulley alignment 4 If pulleys are not in correct alignment loosen the mo tor holddown bolts and slide the motor axially until the pulleys are aligned 5 Tighten motor holddown bolts C10702 Fig 26 Fan Pulley Adjustments Pulley and Drive Adjustment To obtain desired fan speed refer t...

Page 22: ...event the growth of bacteria and fungi Clean the inner surface of the insulation according to the separate maintenance instructions shipped with the unit Replacing Filters Filters can be removed and installed from either side of the unit Install new filters in units that have one fan as follows 1 Remove the side access panel retain screws 2 Remove the filter retainer clip see Fig 27 3 Remove old f...

Page 23: ...S213T D215T Shaft Dia in 11 8 13 8 13 8 LEGEND NEMA National Electrical Manufacturers Association Table 8B Fan Motor Data Alternate Motor English UNIT 524J 25A 524J 25H 524J 28A 524J 30A 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 D215T D215T Shaft Di...

Page 24: ... S213T S215T Shaft Dia mm 28 6 34 9 34 9 LEGEND NEMA National Electrical Manufacturers Association Table 8D Fan Motor Data Alternate Motor SI UNIT 524J 25A 524J 25H 524J 28A 524J 30A 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 Frame NEMA S213T D215...

Page 25: ...9 43 Four belts shipped with unit Use correct set of 2 belts sized according to the pulley setting Table 9B Medium Static Drive Data 60 Hz English UNIT 524J 25A 524J 25H 524J 28A 524J 30A 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 16 Belt No Section 1...

Page 26: ...is possible to adjust drive so that fan speed exceeds maximum allowable DO NOT exceed 1200 rpm Table 9D Standard Drive Data 60 Hz SI UNIT 524J 25A 524J 25H 524J 28A 524J 30A 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 No Section 2 B 2 B 2...

Page 27: ...169 240 169 240 Four belts shipped with unit Use correct set of 2 belts sized according to the pulley setting Table 9F High Static Drive Data 60 Hz SI UNIT 524J 25A 524J 25H 524J 28A 524J 30A 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 36 5 49 2 49 2 Belt N...

Page 28: ...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 11 99 1024 12 73 See Legend and Notes on page 36 Table 10A 524J Standard Fan Performance Data 0 0 2 4 in wg External Static Pressure English cont UNIT AIRFLOW Cfm...

Page 29: ... 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 7 88 15 97 8 40 16 52 8 94 17 06 9 49 See Legend and Notes on page 36 Table 10B 524J Standard Fan Performance Data 0 600 kPa External Static Pressure SI co...

Page 30: ... 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 9 81 921 10 52 956 11 24 991 11 98 1025 12 75 1059 13 54 See Legend and Notes on page 36 Table 10C 524J High Capacity Fan Performance Data 0 0 2 4 in wg External Static...

Page 31: ...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 6 90 15 97 7 44 16 61 7 98 7080 14 42 7 05 14 74 7 31 15 36 7 84 15 94 8 38 16 51 8 93 17 08 9 51 17 65 10 10 See Legend and Notes on page 36 Table 10D 524J Hi...

Page 32: ...4J 25A 524J 25H 6 000 0 12 8 000 0 19 10 000 0 26 524J 28A 7 500 0 15 10 000 0 22 12 500 0 30 524J 30A 9 000 0 19 12 000 0 29 15 000 0 40 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 cle...

Page 33: ...33 524J ...

Page 34: ... D 7310 W Morris St D Indianapolis IN 46231 Printed in U S A Edition Date 01 11 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No II524J 07 Replaces II524J 05 524J ...

Page 35: ...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 PIPING HAS FOAM SHIPPING BLOCK BEEN REMOVED FROM THE TXV Thermostatic Expansion Valve Y N...

Page 36: ...CHARGE PRESSURE DISCHARGE LINE TEMP ENTERING OUTDOOR UNIT AIR TEMP LEAVING OUTDOOR UNIT AIR TEMP INDOOR UNIT ENTERING AIR DB TEMP INDOOR UNIT ENTERING AIR WB TEMP INDOOR UNIT LEAVING AIR DB TEMP INDOOR UNIT LEAVING AIR WB TEMP COMPRESSOR AMPS L1 L2 L3 ____ ____ ____ ____ ____ ____ CHECK THE COMPRESSOR OIL LEVEL SIGHT GLASSES ARE THE SIGHT GLASSES SHOWING OIL LEVEL AT 1 8 to 1 3 FULL Y N NOTES 2011...

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