Unit Roof Curb Dimensions | Johnson Controls J15 manual

349687-JTG-A-1007

25-1/4"

FIGURE 10 - UNIT ROOF CURB DIMENSIONS

FIGURE 11 - ROOF CURB DUCT OPENINGS DIMENSION

1.The 2” space between the ducts allows for “jumping” an existing roof joist.

2.The 58-1/2” overall dimension of the ducts allows duct- work penetration between roof joists that are spaced on 72” centers.

Note: Ducts can be installed into the curb from the roof. All electrical and gas line connections can be made inside the curb.

FIGURE 12 - CUT AWAY OF ROOF CURB

Johnson Controls Unitary Products

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Johnson Controls J15 warranty Unit Roof Curb Dimensions, Roof Curb Duct Openings Dimension, Cut Away Of Roof Curb

Contents

TECHNICAL GUIDE SERIES SINGLE PACKAGE GAS/ELECTRIC UNITSAND SINGLE PACKAGE AIR CONDITIONERS DESCRIPTION LIST OF TABLES TABLE OF CONTENTSLIST OF FIGURES J15 D J N24 A 2 A AA 1 0 1 2 4 A PRODUCT NOMENCLATURE15-25Ton Series 20 Model Number Nomenclature FEATURES FIGURE 1 - UNIT CUTAWAY FACTORY-INSTALLEDOPTIONS 349687-JTG-A-1007 CONTROL OPTIONS FIELD-INSTALLEDACCESSORIES 349687-JTG-A-1007 TABLE 3 GAS HEAT RATIINGS TABLE 1 SOUND POWER RATING1TABLE 2 CAPACITY RATINGS - ARI TABLE 4 COOLING CAPACITIES FOR J15DJ TABLE 5 COOLING CAPACITIES FOR J18DJ TABLE 6 COOLING CAPACITIES FOR J20DJ TABLE 7 COOLING CAPACITIES FOR J25DJ TABLE 8 ALTITUDE CORRECTION FACTORS Johnson Controls Unitary Products FIGURE 2 - ALTITUDE/TEMPERATURE CONVERSION FACTOR VOLT AND 208 VOLT AND STANDARD DRIVE208 VOLT AND HIGH STATIC DRIVE 230/460/575 208 VOLT AND 208 VOLT ANDSTANDARD DRIVE VOLT AND 208 VOLT AND STANDARD DRIVE208 VOLT AND HIGH STATIC DRIVE 230/460/575 VOLT AND 208 VOLT AND STANDARD DRIVE208 VOLT AND HIGH STATIC DRIVE 230/460/575 208 VOLT AND 208 VOLT ANDSTANDARD DRIVE VOLT AND 208 VOLT AND STANDARD DRIVE208 VOLT AND HIGH STATIC DRIVE 230/460/575 VOLT AND 208 VOLT AND STANDARD DRIVE208 VOLT AND HIGH STATIC DRIVE 230/460/575 TABLE 17 STATIC RESISTANCES1 TABLE 18 POWER EXHAUST PERFORMANCETABLE 16 BLOWER MOTOR AND DRIVE DATA COMPRESSORS Johnson Controls Unitary Products NOTE 1 HACR Type per NEC NOTE 1 HACR Type per NEC 349687-JTG-A-1007 Johnson Controls Unitary Products NOTE 1 HACR Type per NEC J15DJ TABLE 21 J**DJ VOLTAGE LIMITATIONS1TABLE 22 PHYSICAL DATA MODELS TABLE 24 ELECTRIC HEAT CORRECTION FACTORS TABLE 23 SUPPLY FAN VFD WEIGHTS, IN LBSFIGURE 3 - TYPICAL J**DJ FIELD WIRING DIAGRAM USED FOR FIGURE 4 - FRONT VIEW DIMENSIONSTABLE 25 UTILITIES ENTRY DATA HOLE duct flange openings see FIGURE 5 - REAR VIEW DIMENSIONSDimensions listed are for side Field Accessories for Side TABLE 26 MINIMUM CLEARANCES SLAB ON GROUND INSTALLATION FIGURE 7 - UNIT CENTER OF GRAVITYFIGURE 8 - TYPICAL UNIT APPLICATIONS ROOF JACK INSTALLATION ROOF CURB INSTALLATION 4 Point Loads lbs FIGURE 9 - FOUR AND SIX POINT LOADSTABLE 27 FOUR AND SIX POINT LOADS Total FIGURE 12 - CUT AWAY OF ROOF CURB FIGURE 10 - UNIT ROOF CURB DIMENSIONSFIGURE 11 - ROOF CURB DUCT OPENINGS DIMENSION Page DESCRIPTION GUIDE SPECIFICATIONSGENERAL GAS HEATING SECTION J**DJN MODELS OUTDOOR CONDENSER FAN ASSEMBLYREFRIGERANT COMPONENTS UNIT CONTROLS STANDARD LIMITED WARRANTIES UNIT OPERATING CHARACTERISTICSELECTRIC HEATING J**DJC/E MODELS ELECTRICAL REQUIREMENTS OTHER PRE-ENGINEEREDACCESSORIES AVAILABLE