Bryant Air Handling Units 524J Manuale Utente

Installation, Start-Up andService InstructionsTABLE OF CONTENTSSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . 1PRE-INSTALLATION

10Unit Positioning — The unit can be mounted on thefloor for vertical application with return air entering the face ofthe unit and supply air discharg

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

12Fig. 8 — Face-Split Coil Suction and Liquid Line Piping (Typical)Fig. 9 — Typical Evaporator Coil Connections (524J)Fig. 10 — TXV Sensing Bulb Locat

13Table 2 — Factory-Installed Nozzle and Distributor DataTable 3 — Fitting Requirements†See Fig. 7 for access hole location by number.‡Fittings are li

14Table 3 — Fitting Requirements (cont)†See Fig. 7 for access hole location by number.‡Fittings are listed in order from header or tee stub connection

15Condensate Drain — Install a trapped condensate drainline to unit connection as shown in Fig. 11. The unit drain con-nection is a PVC stub. See Fig.

16Power Supply and Wiring — Check the unit dataplate to ensure that available power supply matches electricalcharacteristics of the unit. Provide a di

17Table 4 — Electrical Data, Standard MotorsSee Legend and Notes on page 18.Table 5 — Electrical Data, Alternate MotorsSee Legend and Notes on page 18

18Legend and Notes For Tables 4 and 5Fig. 16 — Unit WiringLEGEND*Motors are designed for satisfactory operation within 10% of nominal volt-ages shown.

19Table 6 — Fan Contactor Coil DataConnecting Ductwork — Refer to the System DesignManual for the recommended design and layout of ductwork.Figure 17

2PRE-INSTALLATION1. The power supply (v, ph, and Hz) must correspond to thatspecified on unit rating plate.2. The electrical supply provided by the ut

20Fig. 18 — Duct Flange InstallationSTART-UPBefore starting unit, check the following and correct as neces-sary: • Is unit solidly supported?• Is fan

21Centering Fan Wheel — If fan and fan shaft assemblyare not properly centered, blades may scrape against the blowerside scroll plate or may create an

22Fig. 22 — Fan RotationFan Pulley Alignment — Align as follows:1. Loosen setscrews on pulleys.2. Align pulleys visually and tighten setscrews on fan

23Replacing Filters — Filters can be removed and in-stalled from either side of the unit. Install new filters in unitsthat have one fan as follows:1.

24Table 8A — Fan Motor Data, Standard Motor — EnglishTable 8B — Fan Motor Data, Alternate Motor — EnglishUNIT524J*07A524J*07H524J*08A524J*08H524J*12A5

25Table 8C — Fan Motor Data, Standard Motor — SITable 8D — Fan Motor Data, Alternate Motor — SIUNIT524J*07A524J*07H524J*08A524J*08H524J*12A524J*12H524

26Table 9A — Standard Drive Data, 60 Hz — EnglishTable 9B — Medium-Static Drive Data, 60 Hz — EnglishUNIT524J*07A524J*07H524J*08A524J*08H524J*12A524J*

27Table 9C — High-Static Drive Data, 60 Hz — EnglishTable 9D — Standard Drive Data, 60 Hz — SIUNIT524J*07A524J*07H524J*08A524J*08H524J*12A524J*12H524J

28Table 9E — Medium-Static Drive Data, 60 Hz — SITable 9F — High-Static Drive Data, 60 Hz — SIUNIT524J*07A524J*07H524J*08A524J*08H524J*12A524J*12H524J

29Table 10A — 524J Standard Fan Performance Data —0.0-2.4 in. wg External Static Pressure — EnglishSee Legend and Notes on page 33.Table 10A — 524J St

3Table 1A — 524J***A Physical Data, English — Cooling UnitsLEGENDUNIT 524J* 07A 08A 12A 14A 16ANOMINAL CAPACITY (Tons) 671/210 121/215OPERATING WEIGHT

30Table 10B — 524J Standard Fan Performance Data —0-600 kPa External Static Pressure — SISee Legend and Notes on page 33.Table 10B — 524J Standard Fan

31Table 10C — 524J High-Capacity Fan Performance Data —0.0-2.4 in. wg External Static Pressure — EnglishSee Legend and Notes on page 33.Table 10C — 52

32Table 10D — 524J High-Capacity Fan Performance Data —0-600 kPa External Static Pressure — SISee Legend and Notes on page 33.Table 10D — 524J High-Ca

33Legend and Notes for Tables 10A and 10CLEGENDNOTES:1. Maximum allowable fan speed is 1200 rpm for all sizes.2. Fan performance is based on deduction

Copyright 2009 Bryant Heating & Cooling Systems • 7310 W. Morris St. • Indianapolis, IN 46231 Printed in U.S.A. Edition Date:11/09 Catalog No

CL-1START-UP CHECKLIST(SPLIT SYSTEMS WITH 524J UNITS)I. PRELIMINARY INFORMATIONOUTDOOR: MODEL NO. _________________________SERIAL NO. ________________

Copyright 2009 Bryant Heating & Cooling Systems • 7310 W. Morris St. • Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 11/09 Catalog N

4Table 1B — 524J***A Physical Data, SI — Cooling UnitsLEGENDUNIT 524J* 07A 08A 12A 14A 16ANOMINAL CAPACITY (kW) 21 26 35 43 52OPERATING WEIGHT (kg)Bas

5Table 1C — 524J***H Physical Data, English — Heat Pump UnitsLEGENDUNIT 524J* 07H 08H 12HNOMINAL CAPACITY (Tons)671/210OPERATING WEIGHT (lb)Base Unit

6Table 1D —524J***H Physical Data, SI — Heat Pump UnitsLEGENDUNIT 524J* 07H 08H 12HNOMINAL CAPACITY (kW)21 26 35OPERATING WEIGHT (kg)Base Unit with TX

7Fig. 1A — Dimensions – Sizes 07 - 12LEGENDTXV — Thermostatic Expansion ValveNOTES:1. Dimensions in [ ] are in millimeters.2. Direction of airflo

8Fig. 1B — Dimensions – Sizes 14 and 16LEGENDTXV — Thermostatic Expansion ValveNOTES:1. Dimensions in [ ] are in millimeters.2. Direction of airf

9Fig. 2 — Model Number NomenclatureFig. 3 — Serial Number NomenclatureFig. 4 — Foam Block Location12345678910111213141516175 2 4 J E 1 4 A 0 0 0 A 2