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