Inc. Air Conditioner User Manual

Subject to change without notice. Printed in U.S.A. 349687-JTG-A-1007
Copyright © 2008 by Johnson Controls, Inc. All rights reserved. Supersedes: Nothing
Johnson Controls Unitary Products
5005 York Drive
Norman, OK 73069
OTHER PRE-ENGINEERED ACCESSORIES AVAILABLE
• ROOF CURB - 14" high, full perimeter curb with wood
nailer (shipped knocked-down).
• 100% BAROMETRIC RELIEF DAMPER - Contains a
rain hood, air inlet screen, exhaust damper and mount-
ing hardware. Used to relieve internal air pressure
through the unit.
• PROPANE CONVERSION KIT - Contains new orifices
and gas valve parts to convert from natural to L.P. gas.
One per unit required.
• HIGH ALTITUDE - NATURAL GAS - Contains orifices
required for applications between 2000 and 6000 feet
altitude.
• HIGH ALTITUDE - PROPANE GAS - Contains orifices
required for applications between 2000 and 6000 feet
altitude. Must be used with propane conversion kit.
• BURGLAR BARS - Designed to work with above roof
curbs, depending on unit model. Fits duct openings of
curb supply and return air openings.
• SIDE DUCT FLANGE - Supply and return air duct
flanges for side duct applications. Do not use on units
with power exhaust.
• HIGH STATIC DRIVE - Includes blower pulley and belt
for higher CFM and/or static pressure requirements.
• WOOD SKID - Allows unit to be handled with 90" forks.
• ECONOMIZER/MOTORIZED DAMPER RAIN HOOD
(J25DJN/E/C only) - Contains all hood panels and the
hardware for assembling.
• ANTI-RECYCLE TIMER - Assures 5-minute off time
between compressor cycles.
• LOW AMBIENT KIT - Provides unit cooling operation
down to 0°F.
• COIL GUARD KIT - Guard for cooling coil.
OTHER FACTORY INSTALLED OPTIONS
• POWER EXHAUST OPTION - To work in conjunction
with economizers.
• STAINLESS STEEL HEAT EXCHANGER
• STAINLESS STEEL DRAIN PAN
• TECHNICOAT PHENOLIC COATED CONDENSER
AND EVAPORATOR COIL
• ELECTRONIC SINGLE ENTHALPY ECONOMIZER
• DIRTY FILTER SWITCH
• DOUBLE WALL
• PHASE MONITOR
• COIL GUARD
• POWERED GFI CONVENIENCE OUTLET
• NON-POWERED GFI CONVENIENCE OUTLET
• BAS READY ECONOMIZER (2-10 V.D.C. ACTUATOR
WITHOUT A CONTROLLER)
• HINGED FILTER DOOR ACCESS AND TOOL FREE
ACCESS PANELS
• HINGED TOOL FREE BLOWER, BLOWER MOTOR,
FILTER AND ELECTRICAL ACCESS PANELS
• HIGH STATIC DRIVE
• 2" PLEATED FILTERS
•4" THROW AWAY FILTERS
• DISCONNECT SWITCH
• SUPPLY AIR SMOKE DETECTOR
• RETURN AIR SMOKE DETECTOR
CONTROLS
• JOHNSON LIGHT COMMERCIAL SYSTEM (LCCS) -
Provides rooftop system integration for LCCS single
zone, change-over bypass and VAV systems.
• JOHNSON UNT 1126 ROOFTOP CONTROLLER - N2
protocol with air proving and dirty filter sensors. Hard-
ware contains generic application logic; field engineering
and/or modification may be required.