Instruction/ maintenance manual of the product DSH Energy Tech Laboratories
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Model DSH Ceiling Mounted Ducted R-410A Air Conditioning Units New Release Form 145.32-IOM1 (908) CEILING MOUNTED DUCTED R-410A AIR CONDITIONING UNITS INST ALLA TION INSTRUCTIONS.
JOHNSON CONTROLS 2 FORM 145.32-IOM1 (908) This equipment is a relatively complicated apparatus. During installation, operation, maintenance or service, individuals may be exposed to certain components or conditions including, but not limited to: refrigerants, oils, materials under pressure, rotating components, and both high and low voltage.
FORM 145.32-IOM1 (908) 3 JOHNSON CONTROLS CHANGEABILITY OF THIS DOCUMENT T ABLE OF CONTENTS In complying with Joh nson C ontro ls policy for continu- ous product improvement, the information contained in this document is subject to change without notice.
JOHNSON CONTROLS 4 FORM 145.32-IOM1 (908) GENERAL INFORMA TION Our units are designed to meet the ever-changing (un ique) instal latio n requi remen ts of today ’s mark et. The horizontal conguration is unitized for single package or split installation.
FORM 145.32-IOM1 (908) 5 JOHNSON CONTROLS TYPICAL INST ALLA TION DRA WING.
JOHNSON CONTROLS 6 FORM 145.32-IOM1 (908) PRE-INST ALLA TION INSPECTION OF EQUIPMENT All units are factory tested to ensure safe operation and quality assembly . Units are packaged and sealed on shipping skids and shipped in rst class condition. T orn and broken packaging, scratched or dented panels should be reported to carrier immediately .
FORM 145.32-IOM1 (908) 7 JOHNSON CONTROLS UNIT MOUNTING The 2 through 5 ton unit consist of an evaporator and condenser module. These two modules are rigidly at- tac hed by a join ing str ip acro ss the top of the two cab inet , an d two long sid e cro ss- memb er angl es whi ch brid ge the mou nting chann els on the botto m of the unit.
JOHNSON CONTROLS 8 FORM 145.32-IOM1 (908) SEP ARA TION OF UNITS The 2 through 5 ton units are provided with refrigerant shut-off valves to allow the evaporator and condenser sections to be eld split - without the necessity of re - claiming the entire unit refrigerant charge.
FORM 145.32-IOM1 (908) 9 JOHNSON CONTROLS DIMENSIONAL DA T A.
JOHNSON CONTROLS 10 FORM 145.32-IOM1 (908) DIMENSIONAL DA T A (Cont.).
FORM 145.32-IOM1 (908) 11 JOHNSON CONTROLS DUCTWORK When installing ductwork, adhere to local Codes and sensible practice. Minimize duct runs and avoid abrupt cha nge s in dire ctio n whe re poss ible . Allow amp le acces s space for servicing of the coils and changing of lters.
JOHNSON CONTROLS 12 FORM 145.32-IOM1 (908) ELECTRICAL WIRING Follow local electrical codes when making electrical co nn ect ion s. Uni ts are co mpl ete ly fac to ry wi red fo r no rma l supply voltages (ie.208-230, 460, 575/3phase/60Hz) Conrm unit specications by checking unit data plate.
FORM 145.32-IOM1 (908) 13 JOHNSON CONTROLS STANDA RD MOT ORS MO DEL VOLTA GE COMPRESSOR E VAP OR ATOR FAN CONDENSER F A N MIN. CCT. "MOP" # QTY RLA LRA HP FLA HP FLA AMP ACIT Y Max Overcurrent Prot. AC024H12 208-230/1/60 1 @ 13.5 58.3 0.25 2.
JOHNSON CONTROLS 14 FORM 145.32-IOM1 (908) MOTOR AND PULLEY DA T A EVAPORA TOR - STANDARD BLOW ER M OTOR AND DRIVE DATA Belts HP Frame Eff.(%) Pitch Dia.(in) Browning # Pitch Dia.(in) Br owning# Ratin g / Size Qty 2 TON 845-1170 1/4 56 66.0 2.6-3.6 1VP40 X 5/8 5.
FORM 145.32-IOM1 (908) 15 JOHNSON CONTROLS ST ART -UP AND OPERA TION Prior to starting unit for the rst time, tur n t he th erm os tat sy st em swi tc h t o OFF - or raise the cooling setpoint to the highest temperature, to prevent the unit from starting.
JOHNSON CONTROLS 16 FORM 145.32-IOM1 (908) TYPICAL SCHEMA TIC.
FORM 145.32-IOM1 (908) 17 JOHNSON CONTROLS MAINTENANCE / SERVICE Disconnect And Lock Out Power When Servicing Unit. Failure T o Do So May Result In Personal Injury Or Death Due T o Electrical Shock. Exercise care when working around the sharp metal edges of door panels or door frames, etc.
JOHNSON CONTROLS 18 FORM 145.32-IOM1 (908) COMFORT ALERT™ DIAGNOSTICS The Comfort Alert diagnostics module is a brea kthrough innovation for troubleshooting and protecting three phase Copeland Scroll® compressors. The module installs easily in the electrical box of the condensing unit near the compressor contactor .
FORM 145.32-IOM1 (908) 19 JOHNSON CONTROLS Status LED Status LED Description Status LED Troubleshooting Information Green “POW ER” Module has power Supply vo ltage is present at module terminal s 1. Compressor protector is open 2. Condensing unit pow er disconnect is open 3.
JOHNSON CONTROLS 20 FORM 145.32-IOM1 (908) Fla sh cod e numb er corr espon ds to a num ber of LED flashes, followed by a pause and then repeated. TRIP and ALERT LED’ s flashing at the same time means control circuit voltage is too low for opera- tion.
FORM 145.32-IOM1 (908) 21 JOHNSON CONTROLS Miswiring the Comfort Alert module will cause false LED codes. T able 1 describes LED opera - tion when the module is miswired and what troubleshooting action is required to correct the problem.
JOHNSON CONTROLS 22 FORM 145.32-IOM1 (908) LIMITED W ARRANTY ONE YEAR LIMITED W ARRANTY Johnson Controls warrants this product to be free from defects in workmanship or material for a period of one year from date of original installation or 18 months from date of shipment, whichever comes rst.
FORM 145.32-IOM1 (908) 23 JOHNSON CONTROLS R-410A QUICK REFERENCE GUIDE RefertoInstallationInstructionsfor specicinstallationrequir ements . • R-410A Refrigerant operates at 50 - 70 percent higher pressures than R-22. Be sure that servicing equipment and replacement components are designed to operate with R-410A.
Subject to change without notice. Printed in U.S.A. Copyright © 2008 by Unitary Products Group. All rights reserved. Form 145.32-IOM1 (908) New Release Y ork PA 17405 P .
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