Johnson Controls Series 20 J 15 DJ Technical Manual
Download Technical manual of Johnson Controls J 18 DJ Air Conditioner for Free or View it Online on All-Guides.com. This version of Johnson Controls J 18 DJ Manual compatible with such list of devices, as: J 18 DJ, J 20 DJ, J 25 DJ, Series 20 J 15 DJ
Brand: Johnson Controls
Category: Air Conditioner
Type: Technical manual
Model: Johnson Controls J 18 DJ , Johnson Controls J 20 DJ , Johnson Controls J 25 DJ , Johnson Controls Series 20 J 15 DJ
Pages: 40
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