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