Bryant 524J - Manual

Bryant 524J

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Table of Contents:

  • Page 2 – INSTALLATION
  • Page 5 – Table 1C — 524J*25H Physical Data, English — Heat Pump Units; Throwaway — Factory Supplied
  • Page 6 – Table 1D — 524J*25H Physical Data, SI — Heat Pump Units
  • Page 8 – UNIT
  • Page 9 – A A; POSITION NUMBER
  • Page 10 – IMPORTANT; OVERHEAD SUSPENSION ACCESSORY — UNIT SIZE 25
  • Page 12 – V ERTI CA L I NS TALL ATI ON
  • Page 13 – Table 2 – Factory--Installed Nozzle and Distributor Data; Table 3 – Fitting Requirements
  • Page 14 – NOTE
  • Page 15 – ELECTRICAL SHOCK HAZARD; FIRE HAZARD; WARNING
  • Page 16 – Table 4 – Electrical Data, Standard Motors; Table 5 – Electrical Data, Alternate Motors; Legend and Notes for Tables 4 and 5
  • Page 17 – Table 6 – Fan Contactor Coil Data; UNIT OPERATION HAZARD; CAUTION
  • Page 18 – Fig. 18 -- Typical Fan Discharge Connections for Multiple Fan Units
  • Page 19 – Adjusting TXV for Superheat —; INSTALLER / INSTALLATEUR; SERVICE
  • Page 20 – Table 7 – Lubricant Data; Multifak 2
  • Page 29 – Table 10B -- 524J Standard Fan Performance Data —
  • Page 32 – Legend and Notes for Tables 10A and 10C; FACTORY-SUPPLIED PRESSURE DROP — ENGLISH; FACTORY-SUPPLIED PRESSURE DROP — SI
  • Page 35 – I. PRELIMINARY INFORMATION; ADDITIONAL ACCESSORIES; OUTDOOR UNIT
  • Page 36 – CHECK VOLTAGE IMBALANCE; COMP A1
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524J

PACKAGED AIR--HANDLING UNITS, 60 Hz

WITH PURON

R

(R--410A) REFRIGERANT

SIZES 25, 28, 30

Installation, Start--Up

and Service Instructions

TABLE OF CONTENTS

SAFETY CONSIDERATIONS

1

. . . . . . . . . . . . . . . . . . .

PRE--INSTALLATION

2

. . . . . . . . . . . . . . . . . . . . . . . . .

Moving and Storage

2

. . . . . . . . . . . . . . . . . . . . . . . . . .

Rigging

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INSTALLATION

2–18

. . . . . . . . . . . . . . . . . . . . . . . . . .

General

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Uncrating

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accessories

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit Positioning

9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit Isolation

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Refrigerant Piping Access

11

. . . . . . . . . . . . . . . . . . . .

Refrigerant Piping

11

. . . . . . . . . . . . . . . . . . . . . . . . . .

Condensate Drain

14

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Fan Motors and Drives

15

. . . . . . . . . . . . . . . . . . . . . . .

Power Supply and Wiring

15

. . . . . . . . . . . . . . . . . . . .

Connecting Ductwork

17

. . . . . . . . . . . . . . . . . . . . . . .

Return--Air Filters

17

. . . . . . . . . . . . . . . . . . . . . . . . . .

START--UP

19

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SERVICE

19–32

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Panels

19

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fan Motor Lubrication

20

. . . . . . . . . . . . . . . . . . . . . . .

Fan Shaft Bearings

20

. . . . . . . . . . . . . . . . . . . . . . . . . .

Centering Fan Wheel

20

. . . . . . . . . . . . . . . . . . . . . . . .

Fan Shaft Position Adjustment

20

. . . . . . . . . . . . . . . .

Individual Fan Wheel Adjustment

21

. . . . . . . . . . . . . .

Fan Belts

21

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fan Rotation

21

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fan Pulley Alignment

21

. . . . . . . . . . . . . . . . . . . . . . .

Pulley and Drive Adjustment

21

. . . . . . . . . . . . . . . . . .

Condensate Drains

21

. . . . . . . . . . . . . . . . . . . . . . . . . .

Return--Air Filters

21

. . . . . . . . . . . . . . . . . . . . . . . . . .

Coil Removal

22

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cleaning Cooling Coil

22

. . . . . . . . . . . . . . . . . . . . . . .

Cleaning Insulation

22

. . . . . . . . . . . . . . . . . . . . . . . . .

Replacing Filters

22

. . . . . . . . . . . . . . . . . . . . . . . . . . .

START--UP CHECKLIST

35--36

. . . . . . . . . . . . . . . . . .

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service,

maintenance, or use can cause explosion, fire, electrical

shock or other conditions which may cause personal

injury or property damage. Consult a qualified installer,

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

thoroughly and follow all warnings or cautions attached to

the unit. Consult local building codes and appropriate

national electrical codes (in USA, ANSI/NFPA70,

National Electrical Code (NEC); in Canada, CSA C22.1)

for special requirements.

It is important to recognize safety information. This is the
safety--alert symbol

. When you see this symbol on the

unit and in instructions or manuals, be alert to the

potential for personal injury.

Understand the signal words DANGER, WARNING,

CAUTION, and NOTE. These words are used with the

safety--alert symbol. DANGER identifies the most serious

hazards which

will

result in severe personal injury or

death. WARNING signifies hazards which

could

result in

personal injury or death. CAUTION is used to identify

unsafe practices, which

may

result in minor personal

injury or product and property damage. NOTE is used to

highlight suggestions which

will

result in enhanced

installation, reliability, or operation.

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Summary

Page 2 - INSTALLATION

2 ELECTRICAL SHOCK HAZARD Failure to follow this warning could cause in personal injury or death.Before performing service or maintenance operations on unit, always turn off main power switch to unit and install lockout tag. Unit may have more than one power switch. ! WARNING UNIT OPERATION AND SAFE...

Page 5 - Table 1C — 524J*25H Physical Data, English — Heat Pump Units; Throwaway — Factory Supplied

5 Table 1C — 524J*25H Physical Data, English — Heat Pump Units UNIT 524J* 25H NOMINAL CAPACITY (Tons) 20 OPERATING WEIGHT (lb) Base Unit with TXV 720 Plenum 140 FANS Qty...Diam. (in.) 2...15 Nominal Airflow (cfm) 8000 Airflow Range (cfm) 6000 --- 10000 Nominal Motor Hp (Standard Motor) 208/230 --- 3...

Page 6 - Table 1D — 524J*25H Physical Data, SI — Heat Pump Units

6 Table 1D — 524J*25H Physical Data, SI — Heat Pump Units UNIT 524J* 25H NOMINAL CAPACITY (kW) 70 OPERATING WEIGHT (kg) Base Unit with TXV 326 Plenum 44 FANS Qty...Diam. (mm) 2...381 Nominal Airflow (L/s) 3775 Airflow Range (L/s) 2831 --- 4719 Nominal Motor kW (Standard Motor) 208/230 --- 3 --- 60 a...

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