Bryant 524J Manuel d'utilisateur

524JPACKAGED AIR--HANDLING UNITS, 60 HzWITH PURONR(R--410A) REFRIGERANTSIZES 25, 28, 30Installation, Start--Upand Service InstructionsTABLE OF CONTENT

10Typical positioning and alternate return air locations areshown in Fig. 6. Alternate return air locations can be usedby moving the unit panel from t

11Unit Isolation -- Where extremely quiet operation isessential, install isolators between floor and base of unit,or between ceiling and top section o

12LEGEND:TXV – Thermostatic Expansion ValveNOTE: Component location arrangemetshown for field installation ofsight glasses, solenoid valves, filter dr

13Table 2 – Factory--Installed Nozzle and Distributor DataUNITCOIL TYPESTDTXVQty ...Part No.DISTRIBUTORQty ...Part No.FEEDER TUBESPER DISTRIBUTOR]Qty

14Table 3 — Fitting Requirement (cont)UNIT ACCESS HOLE NO.]CONNECTION TYPE CIRCUIT FITTINGS REQUIRED†(in.)524J*30A1 Suction Lower13/8Street Elbow13/8N

15Fan Motors and Drives -- Motor and drive packages arefactory installed in all units. The motor and drivepackages consist of the following items:1 —

16Table 4 – Electrical Data, Standard MotorsUNIT V --- P H --- H z{VOLTAGELIMITSFAN MOTOR POWER SUPPLYHp (kW) FLAMinimumCircuit AmpsMOCP524J*25A524J*2

17C10695Fig. 17 -- Unit WiringTable 6 – Fan Contactor Coil DataUNIT524J*VOLTAGE(vac)MAXIMUMHOLDING VA25A, 25H, 28A, 30A 24 10Connecting Ductwork -- Re

18C10696Fig. 18 -- Typical Fan Discharge Connections for Multiple Fan UnitsC10697Fig. 19 -- Duct Flange Installation524J

19START--UPBefore starting unit, check the following and correct asnecessary:S Is unit solidly supported?S Is fan adjusted for speed and pulley alignm

2ELECTRICAL SHOCK HAZARDFailure to follow this warning could cause in personalinjury or death.Before performing service or maintenance operationson un

20Fan Motor Lubrication -- Fan motor supplied with unit ispermanently lubricated and requires no furtherlubrication.Fan Shaft Bearings -- Size 25--30

21Individual Fan Wheel Adjustment -- Loosen the 2locking bolts holding fan wheel hub to shaft. See Fig. 22.Position fan wheel in center of the fan hou

22Coil Removal -- Remove unit panels and corner posts asrequired. Disconnect coil connections and remove fasteningscrews. Remove coil through end or s

23Table 8A -- Fan Motor Data, Standard Motor — EnglishUNIT524J*25A524J*25H524J*28A 524J*30A208/230---3---60 and 460---3---60Speed (rpm) 1745 1745 1745

24Table 8C -- Fan Motor Data, Standard Motor — SIUNIT524J*25A524J*25H524J*28A 524J*30A208/230---3---60 and 460---3---60Speed (r/s) 29.08 29.08 29.08Sh

25Table 9A -- Standard Drive Data, 60 Hz — EnglishUNIT524J*25A524J*25H524J*28A 524J*30AMOTOR DRIVEMotor Pulley Pitch Diameter (in.) 3.7--- 4.7 4.3---5

26Table 9C -- High--Static Drive Data, 60 Hz — EnglishUNIT524J*25A524J*25H524J*28A 524J*30AMOTOR DRIVEMotor Pulley Pitch Diameter (in.) 4.3--- 5.3 4.3

27Table 9E -- Medium--Static Drive Data, 60 Hz — SIUNIT524J*25A524J*25H524J*28A 524J*30AMOTOR DRIVEMotor Pulley Pitch Diameter (mm) 109.2--- 134.6 109

28Table 10A -- 524J Standard Fan Performance Data —0.0--2.4 in. wg External Static Pressure — EnglishUNITAIRFLOW(Cfm)EXTERNAL STATIC PRESSURE (in. wg)

29Table 10B -- 524J Standard Fan Performance Data —0--600 kPa External Static Pressure — SIUNITAIRFLOW(L/s)EXTERNAL STATIC PRESSURE (kPa)0 50 100 150

3Table 1A — 524J***A Physical Data, English — Cooling UnitsUNIT 524J* 25A 28A 30ANOMINAL CAPACITY (Tons) 20 25 30OPERATING WEIGHT (lb)Base Unit with T

30Table 10C -- 524J High--Capacity Fan Performance Data —0.0--2.4 in. wg External Static Pressure — EnglishUNITAIRFLOW(Cfm)EXTERNAL STATIC PRESSURE (i

31Table 10D -- 524J High--Capacity Fan Performance Data —0--600 kPa External Static Pressure — SIUNITAIRFLOW(L/s)EXTERNAL STATIC PRESSURE (kPa)0 50 10

32Legend and Notes for Tables 10A and 10CLEGENDBhp --- Brake Horsepower Input to FanESP --- External Static PressureNOTES:1. Maximum al lowable fa n s

33524J

342011 Bryant Heating and Cooling Systems. D 7310 W. Morris St. D Indianapolis, IN 46231 Printed i n U.S.A. Edition Date: 01/11Manufacturer reserves

35START--UP CHECKLIST(SPLIT SYSTEMS WITH 524J UNITS)I. PRELIMINARY INFORMATIONOUTDOOR: MODEL NO. INDOOR: MODEL NO.SERIAL NO. SERIAL NO.ADDITIONAL ACCE

36CHECK VOLTAGE IMBALANCELINE-TO-LINE VOLTS: AB V AC V BC V(AB + AC + BC)/3 = AVERAGE VOLTAGE = VMAXIMUM DEVIATION FROM AVERAGE VOLTAGE = VVOLTAGE IMB

4Table 1B —524J***A Physical Data, SI — Cooling UnitsUNIT 524J* 25A 28A 30ANOMINAL CAPACITY (kW) 70 87 105OPERATING WEIGHT (kg)Base Unit with TXV 331

5Table 1C — 524J*25H Physical Data, English — Heat Pump UnitsUNIT 524J* 25HNOMINAL CAPACITY (Tons)20OPERATING WEIGHT (lb)Base Unit with TXV 720Plenum

6Table 1D — 524J*25H Physical Data, SI — Heat Pump UnitsUNIT 524J* 25HNOMINAL CAPACITY (kW)70OPERATING WEIGHT (kg)Base Unit with TXV 326Plenum 44FANSQ

7UNITUNIT WEIGHTlb (kg)524J*25A 730 (331)524J*25H 720 (326)LEGENDTXV — Thermostatic Expansion ValveNOTES:1. Dimensions in [ ] are in millimeters.2

86. 40RUS may require alternate or additional field favricated poping access holesUNIT524J*28A524J*30Alb (kg)1050 (477)1062 (482)LEGENDTXV — Thermos

91 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 175 2 4 J E 2 5 A 0 0 0 A 2 0 A A A_____________Model TypePackaging524J = Bryant Fan CoilPuronr R---410A Refri