Johnson Controls J15 - Manual
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Table of Contents:
- Page 2 – TABLE OF CONTENTS; LIST OF FIGURES; ALTITUDE/TEMPERATURE CONVERSION; LIST OF TABLES; 9 J**DJ ELECTRICAL DATA WITHOUT POWERED
- Page 3 – PRODUCT NOMENCLATURE; D J; 5-25 Ton Series 20 Model Number Nomenclature
- Page 4 – FEATURES
- Page 5 – Electric Heat Operation; FACTORY-INSTALLED OPTIONS; with fully modulating spring-return motor actuator capa-; FIGURE 1 - UNIT CUTAWAY
- Page 7 – CONTROL OPTIONS; FIELD-INSTALLED ACCESSORIES
- Page 9 – TABLE 1: SOUND POWER RATING; TABLE 3: GAS HEAT RATIINGS
- Page 10 – TABLE 4: COOLING CAPACITIES FOR J15DJ
- Page 11 – TABLE 5: COOLING CAPACITIES FOR J18DJ
- Page 12 – TABLE 6: COOLING CAPACITIES FOR J20DJ
- Page 13 – TABLE 7: COOLING CAPACITIES FOR J25DJ
- Page 14 – Example 1; tion is given so 70°F is assumed.; TABLE 8: ALTITUDE CORRECTION FACTORS
- Page 15 – FIGURE 2 - ALTITUDE/TEMPERATURE CONVERSION FACTOR
- Page 16 – 80 MBH - BOTTOM DUCT CONNECTIONS
- Page 17 – 10 MBH - BOTTOM DUCT CONNECTIONS
- Page 18 – 40 MBH - BOTTOM DUCT CONNECTIONS
- Page 22 – 00 MBH - BOTTOM DUCT CONNECTIONS
- Page 24 – TABLE 19: J**DJ ELECTRICAL DATA WITHOUT POWERED CONVENIENCE OUTLET
- Page 26 – TABLE 20: J**DJ ELECTRICAL DATA WITH POWERED CONVENIENCE OUTLET
- Page 28 – TABLE 22: PHYSICAL DATA; MODELS
- Page 29 – SUPPLY FAN MOTOR; TABLE 24: ELECTRIC HEAT CORRECTION; NOMINAL VOLTAGE; CONTROL WIRING
- Page 30 – HOLE
- Page 31 – FIGURE 5 - REAR VIEW DIMENSIONS; For bottom duct applications:; Connect ductwork to the flanges on those panels.
- Page 32 – Locate unit so that the vent air outlet hood is at least:; TABLE 26: MINIMUM CLEARANCES; REAR VIEW
- Page 33 – FIGURE 7 - UNIT CENTER OF GRAVITY
- Page 34 – FIGURE 9 - FOUR AND SIX POINT LOADS
- Page 35 – Ducts can be installed into the curb from the roof. All; FIGURE 10 - UNIT ROOF CURB DIMENSIONS
- Page 36 – FIGURE 13 - TYPICAL UNIT WIRING DIAGRAM; SD
- Page 37 – GUIDE SPECIFICATIONS; GENERAL; UNIT CABINET
- Page 38 – REFRIGERANT COMPONENTS; All models shall have two independent circuits.; UNIT CONTROLS
- Page 39 – UNIT OPERATING CHARACTERISTICS
349687-JTG-A-1007
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
TECHNICAL GUIDE
SERIES 20
SINGLE PACKAGE GAS/ELECTRIC UNITS
AND SINGLE PACKAGE AIR
CONDITIONERS
J15, 18, 20 & 25 DJ
15 & 25 NOMINAL TONS
12.00 EER (15 TONS), 11.70 EER (17.5 TONS),
11.3 EER (20 TONS), 10.5 EER (25 TONS)
DESCRIPTION
Johnson Controls Series 20 J**DJ units are convertible single
package high efficiency rooftops. All models have indepen-
dent dual refrigerant circuits for efficient part load operation.
Although the units are primarily designed for curb mounting
on a roof, they can also be slab-mounted at ground level or
set on steel beams above a finished roof.
All units include:
•
Powder Paint finish that meets ASTM-B-117 750 hour
salt spray standards
•
Two-stage cooling provided by dual independent
refrigeration circuits with expansion valves, filter-driers, high
and low pressure/loss of charge switches and freezestats
•
Scroll compressors
•
Two-stage heating provided by dual independent heat
exchangers with aluminized steel tubes, redundant gas
valves, spark ignition with induced draft logic
•
Permanently lubricated motors
•
Bottom or side air discharge configuration capability
(field convertible)
•
Belt Drive Blower Motor with high static drive option
•
Constant supply air volume (CV) with optional variable
air volume (VAV)
•
Manufactured under the quality standards of ISO9001
•
Zero-25% fixed air damper with hood
•
Copper tube/aluminum fin coils
•
Hinged filter access and tool free latched doors
•
Hinged tool free blower, blower motor, filters and electri-
cal panel access
•
Rigging holes in base rails for lifting
•
Single point power connection
•
Complete factory package - tested, charged and wired
•
CSA agency approvals on all units
WARRANTY
•
One-year parts warranty
•
A Five-year parts warranty on the compressors and
electric heat elements
•
Ten-year parts warranty on the gas-fired heat
exchangers
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Summary
349687-JTG-A-1007 2 Johnson Controls Unitary Products TABLE OF CONTENTS DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . 3 FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 FACTORY-INSTALLED OPTI...
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...
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...
