TABLE OF CONTENTS
SAFETY CONSIDERATIONS
Installation, Start-Up and Service Instructions
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PRE-INSTALLATION
INSTALLATION
UNIT OPERATION AND SAFETY HAZARD
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UNIT 524J
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UNIT 524J
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UNIT 524J
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UNIT 524J
Fig. 1 - Dimensions - Size
UNIT WEIGHT
524J
UNIT
Fig. 2 - Dimensions - Sizes 28 and
524J
UNIT
lb kg
Fig. 3 - Model Number Nomenclature
Fig. 4 - Serial Number Nomenclature
Fig. 5 - Foam Block Location
Fig. 6 - Typical Unit Positioning
Fig. 7 - Preferred Suspension Technique
OVERHEAD SUSPENSION ACCESSORY - UNIT SIZE
OVERHEAD SUSPENSION ACCESSORY - UNIT SIZES
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Fig. 8 - Refrigerant Piping Access Holes
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Fig. 11 - TXV Sensing Bulb Location
VERTICAL INSTALLATION
HORIZONTAL INSTALLATION
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Table 3 - Fitting Requirements
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Fig. 13 - Drain Pan Slope Adjustment
Table 3 - Fitting Requirement cont
Fig. 12 - Condensate Drains
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Fig. 15 - Wiring and Service Access
Fig. 14 - Disconnect Switch and Unit
FIRE HAZARD
Side Panel Removed
Table 4 - Electrical Data, Standard Motors
Table 5 - Electrical Data, Alternate Motors
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Legend and Notes for Tables 4 and
Fig. 17 - Unit Wiring
Table 6 - Fan Contactor Coil Data
524J
UNIT OPERATION HAZARD
Fig. 19 - Duct Flange Installation
524J
C10696
C10697
SERVICE
Adjusting TXV for Superheat
Fig. 21 - Label, TXV Adjustment
START-UP
Table 7 - Lubricant Data
Fig. 23 - Fan Shaft Bearing
Fig. 24 - Fan Motor Mounting
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Fig. 26 - Fan Pulley Adjustments
Fig. 25 - Fan Rotation
Fan Pulley Alignment - Align as follows
UNIT OPERATION HAZARD
Fig. 28 - Filter Removal/Replacement
Fig. 27 - Remove Filter Retainer Clip
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UNIT OPERATION HAZARD
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UNIT
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Table 8C - Fan Motor Data, Standard Motor - SI
Table 8D - Fan Motor Data, Alternate Motor - SI
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Table 9A - Standard Drive Data, 60 Hz - English
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Table 9C - High-StaticDrive Data, 60 Hz - English
Table 9D- Standard Drive Data, 60 Hz - SI
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Table 9E - Medium-StaticDrive Data, 60 Hz - SI
Table 9F - High-StaticDrive Data, 60 Hz - SI
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EXTERNAL STATIC PRESSURE in. wg
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Table 10B - 524J Standard Fan Performance Data
0-600kPa External Static Pressure - SI
Table 10B - 524J Standard Fan Performance Data
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0.0-2.4in. wg External Static Pressure - English
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0-600kPa External Static Pressure - SI
0-600kPa External Static Pressure - SI cont
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Legend and Notes for Tables 10A and 10C
FACTORY-SUPPLIEDPRESSURE DROP - ENGLISH
Legend and Notes for Tables 10B and 10D
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Catalog No II524J---07
Edition Date 01/11
Replaces II524J---05
I. PRELIMINARY INFORMATION
II. PRE-START-UP OUTDOOR UNIT
CONTROLS
INDOOR UNIT
CHECK VOLTAGE IMBALANCE
III. START-UP
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