Page 2 - TABLE OF CONTENTS; LIST OF FIGURES; ALTITUDE/TEMPERATURE CONVERSION; LIST OF TABLES; 9 J**DJ ELECTRICAL DATA WITHOUT POWERED
349687-JTG-A-1007 2 Johnson Controls Unitary Products TABLE OF CONTENTS DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . 3 FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 FACTORY-INSTALLED OPTI...
Page 3 - PRODUCT NOMENCLATURE; D J; 5-25 Ton Series 20 Model Number Nomenclature
349687-JTG-A-1007 Johnson Controls Unitary Products 3 PRODUCT NOMENCLATURE D J J15 N24 A 2 A AA 1 0 1 2 4 A D = A/C, Single Pkg., R-22 Product Category A = Std. Drive Airflow B = Std. Drive/Single Input Econo.C = Std. Drive/Single Input Econo./Power Exhaust (Downflow Only) D = Std. Drive/Motorized D...
Page 4 - FEATURES
349687-JTG-A-1007 4 Johnson Controls Unitary Products FEATURES All Series 20 J**DJ models are available with a wide variety of factory-mounted options such as stainless steel heat exchangers, phase monitor, dirty filter switch, and coil guard to make them suitable for almost every application. All u...
Page 5 - Electric Heat Operation; FACTORY-INSTALLED OPTIONS; with fully modulating spring-return motor actuator capa-; FIGURE 1 - UNIT CUTAWAY
349687-JTG-A-1007 Johnson Controls Unitary Products 5 with aluminized steel or optional stainless steel tubes, a redundant gas valve, spark ignition, power venting, an ignition module for 100% shut-off and all of the safety controls required to meet the latest ANSI standards. The gas supply piping c...
Page 7 - CONTROL OPTIONS; FIELD-INSTALLED ACCESSORIES
349687-JTG-A-1007 Johnson Controls Unitary Products 7 • SMOKE DETECTORS - (supply air & return air) The smoke detectors stop operation of the unit by interrupting power to the control board if smoke is detected within the air compartment. • COIL GUARD - Customers can purchase a coil guard kit to...
Page 9 - TABLE 1: SOUND POWER RATING; TABLE 3: GAS HEAT RATIINGS
349687-JTG-A-1007 Johnson Controls Unitary Products 9 NOTE: All gas units are two-stage heating.First stage is 50% of total.S.S.E. = Steady State Efficiency (80%) - output divided by input. TABLE 1: SOUND POWER RATING 1 UNIT SIZE CFM ESP BLOWER SOUND POWER (db 10 -12 Watts) Octave Band Centerline Fr...
Page 10 - TABLE 4: COOLING CAPACITIES FOR J15DJ
349687-JTG-A-1007 10 Johnson Controls Unitary Products TABLE 4: COOLING CAPACITIES FOR J15DJ Air on Evaporator Coil Temperature of Air on Condenser Coil 85°F 95°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Se...
Page 11 - TABLE 5: COOLING CAPACITIES FOR J18DJ
349687-JTG-A-1007 Johnson Controls Unitary Products 11 TABLE 5: COOLING CAPACITIES FOR J18DJ Air on Evaporator Coil Temperature of Air on Condenser Coil 85°F 95°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Se...
Page 12 - TABLE 6: COOLING CAPACITIES FOR J20DJ
349687-JTG-A-1007 12 Johnson Controls Unitary Products TABLE 6: COOLING CAPACITIES FOR J20DJ Air on Evaporator Coil Temperature of Air on Condenser Coil 85°F 95°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Se...
Page 13 - TABLE 7: COOLING CAPACITIES FOR J25DJ
349687-JTG-A-1007 Johnson Controls Unitary Products 13 TABLE 7: COOLING CAPACITIES FOR J25DJ Air on Evaporator Coil Temperature of Air on Condenser Coil 85°F 95°F CFM WB (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Sensible Capacity (MBH) * Return Dry Bulb (°F) Total Cap. 1 (MBH) Total 2 Input (kW) Se...
Page 14 - Example 1; tion is given so 70°F is assumed.; TABLE 8: ALTITUDE CORRECTION FACTORS
349687-JTG-A-1007 14 Johnson Controls Unitary Products CFM, STATIC PRESSURE, AND POWER - ALTI-TUDE AND TEMPERATURE CORRECTIONS The information below should be used to assist in applicationof product when being applied at altitudes at or exceeding1000 feet above sea level. The air flow rates listed i...
Page 15 - FIGURE 2 - ALTITUDE/TEMPERATURE CONVERSION FACTOR
349687-JTG-A-1007 Johnson Controls Unitary Products 15 FIGURE 2 - ALTITUDE/TEMPERATURE CONVERSION FACTOR
Page 16 - 80 MBH - BOTTOM DUCT CONNECTIONS
349687-JTG-A-1007 16 Johnson Controls Unitary Products NOTES: 1.Blower performance includes fixed outdoor air, 2” T/A filters, a dry evaporator coil and no electric heat. 2.Refer to Table 13 for additional static resistances. ESP = External Static Pressure available for the supply and return air duc...
Page 17 - 10 MBH - BOTTOM DUCT CONNECTIONS
349687-JTG-A-1007 Johnson Controls Unitary Products 17 NOTES: 1.Blower performance includes fixed outdoor air, 2” T/A filters, a dry evaporator coil and no electric heat. 2.Refer to Table 13 for additional static resistances. ESP = External Static Pressure available for the supply and return air duc...
Page 18 - 40 MBH - BOTTOM DUCT CONNECTIONS
349687-JTG-A-1007 18 Johnson Controls Unitary Products NOTES: 1.Blower performance includes fixed outdoor air, 2” T/A filters, a dry evaporator coil and no electric heat. 2.Refer to Table 13 for additional static resistances. ESP = External Static Pressure available for the supply and return air duc...
Page 22 - 00 MBH - BOTTOM DUCT CONNECTIONS
349687-JTG-A-1007 22 Johnson Controls Unitary Products NOTES: 1.Blower performance includes a gas-fired heat exchanger, fixed outdoor air, two-inch T/A filters and a dry evaporator coil. 2.Refer to the additional Static Resistances table. ESP = External Static Pressure available for the supply and r...
Page 24 - TABLE 19: J**DJ ELECTRICAL DATA WITHOUT POWERED CONVENIENCE OUTLET
349687-JTG-A-1007 24 Johnson Controls Unitary Products NOTE 1: HACR Type per NEC. TABLE 19: J**DJ ELECTRICAL DATA WITHOUT POWERED CONVENIENCE OUTLET MODEL (TON- NAGE) VOLTAGE COMPRESSORS OD FAN MOTORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEATER OPTION MIN. CIRCUIT AMPACITY (AMPS) MAX. FUSE/...
Page 26 - TABLE 20: J**DJ ELECTRICAL DATA WITH POWERED CONVENIENCE OUTLET
349687-JTG-A-1007 26 Johnson Controls Unitary Products NOTE 1: HACR Type per NEC. TABLE 20: J**DJ ELECTRICAL DATA WITH POWERED CONVENIENCE OUTLET MODEL (TON- NAGE) VOLTAGE COMPRESSORS OD FAN MOTORS FLA EACH ID BLOWER MOTOR FLA CONV OUTLET AMPS HEATER OPTION MIN. CIRCUIT AMPACITY (AMPS) MAX. FUSE/ BR...
Page 28 - TABLE 22: PHYSICAL DATA; MODELS
349687-JTG-A-1007 28 Johnson Controls Unitary Products TABLE 21: J**DJ VOLTAGE LIMITATIONS 1 1. Utilization Range “A” in accordance with ARI Standard 110. VOLTAGE LIMITATIONS POWER SUPPLY VOLTAGE MIN. MAX. VOLTAGE LIMITATIONS 208/230-3-60 187 253 460-3-60 414 506 575-3-60 518 630 TABLE 22: PHYSICAL ...
Page 29 - SUPPLY FAN MOTOR; TABLE 24: ELECTRIC HEAT CORRECTION; NOMINAL VOLTAGE; CONTROL WIRING
349687-JTG-A-1007 Johnson Controls Unitary Products 29 TABLE 23: SUPPLY FAN VFD WEIGHTS, IN LBS. SUPPLY FAN MOTOR 230V 460V 575V W/O MANUAL BYPASS 5.0 hp 25 25 30 7.5 hp 30 30 30 10.0 hp 30 30 35 15.0 hp 30 30 40 W/MANUAL BYPASS 5.0 hp 30 30 35 7.5 hp 35 35 35 10.0 hp 35 35 40 15.0 hp 40 35 45 TABLE...
Page 30 - HOLE
349687-JTG-A-1007 30 Johnson Controls Unitary Products FIGURE 4 - FRONT VIEW DIMENSIONS TABLE 25: UTILITIES ENTRY DATA HOLE OPENING SIZE (DIA.) USED FOR A 1-1/8” KO Control Wiring Side 3/4” NPS (Fem.) Bottom B 3-5/8” KO Power Wiring Side 3” NPS (Fem.) Bottom C 2-3/8” KO Gas Piping (Front) 1 1. One-i...
Page 31 - FIGURE 5 - REAR VIEW DIMENSIONS; For bottom duct applications:; Connect ductwork to the flanges on those panels.
349687-JTG-A-1007 Johnson Controls Unitary Products 31 FIGURE 5 - REAR VIEW DIMENSIONS NOTE: Units are shipped with the bottom duct openings covered. An accessory flange kit is available for connecting side ducts. For bottom duct applications: 1. Remove the side panels from the supply and return air...
Page 32 - Locate unit so that the vent air outlet hood is at least:; TABLE 26: MINIMUM CLEARANCES; REAR VIEW
349687-JTG-A-1007 32 Johnson Controls Unitary Products NOTE: ELEC / ELEC Models: Units and ductwork are approved for zero clearance to combustible material when equipped with electric heaters. GAS / ELEC Models: A 1” clearance must be provided between any combustible material and the supply air duct...
Page 33 - FIGURE 7 - UNIT CENTER OF GRAVITY
349687-JTG-A-1007 Johnson Controls Unitary Products 33 FIGURE 7 - UNIT CENTER OF GRAVITY FIGURE 8 - TYPICAL UNIT APPLICATIONS ROOF JACK INSTALLATION ROOF CURB INSTALLATION SLAB ON GROUND INSTALLATION
Page 34 - FIGURE 9 - FOUR AND SIX POINT LOADS
349687-JTG-A-1007 34 Johnson Controls Unitary Products Note: These weights are with economizer and high option heat (gas or electric). FIGURE 9 - FOUR AND SIX POINT LOADS A D C E B F A D B C TABLE 27: FOUR AND SIX POINT LOADS Unit Size Total Shipping Weight 4 Point Loads (lbs) A B C D J15DJ Gas 2660...
Page 35 - Ducts can be installed into the curb from the roof. All; FIGURE 10 - UNIT ROOF CURB DIMENSIONS
349687-JTG-A-1007 Johnson Controls Unitary Products 35 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 c...
Page 36 - FIGURE 13 - TYPICAL UNIT WIRING DIAGRAM; SD
349687-JTG-A-1007 36 Johnson Controls Unitary Products FIGURE 13 - TYPICAL UNIT WIRING DIAGRAM W1 W2 Y1 G OCC P P1 Y2 X R SD C C SD SD R OCC C RC G Y2 Y1 W2 W1 Jumper Smoke Detector 24 VAC Class 2 X R THERMOSTAT TERMINALS CONTROL TERMINAL BLOCK TERMINALS ON A LIMITED NUMBER OF THERMOSTATS 3 1 2 4 3 ...
Page 37 - GUIDE SPECIFICATIONS; GENERAL; UNIT CABINET
349687-JTG-A-1007 Johnson Controls Unitary Products 37 GUIDE SPECIFICATIONS GENERAL Units shall be manufactured by Johnson Controls in an ISO 9001 certified facility. Series 20 J**DJ units are convertible single package units. All models have dual independent refrigerant circuits for efficient part ...
Page 38 - REFRIGERANT COMPONENTS; All models shall have two independent circuits.; UNIT CONTROLS
349687-JTG-A-1007 38 Johnson Controls Unitary Products Units equipped with VFD’s shall have factory-installed man-ual bypass as an option. OUTDOOR (CONDENSER) FAN ASSEMBLY The outdoor fans shall be of the direct-driven propeller type, discharge air vertically, have aluminum blades riveted to cor-ros...
Page 39 - UNIT OPERATING CHARACTERISTICS
349687-JTG-A-1007 Johnson Controls Unitary Products 39 a. Primary and auxiliary high-temperature limit switches. b. Induced draft motor speed sensor. c. Flame roll out switch (automatic reset). d. Flame proving controls. Unit shall have two inde-pendent stages of capacity. ELECTRIC HEATING (J**DJC/E...