Daikin DDC Series Installation And Maintenance Manual

Contents

Daikin DDC Series Installation And Maintenance Manual Manual pdf 5 page image

3EPA R EGULATIONSIMPORTANT : THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY (EPA)HAS ISSUED VARIOUS REGULATIONS REGARDING THE INTRODUCTION AND DISPOSALOF REFRIGERANTS IN THIS UNIT . F AILURE TO FOLLOW THESE REGULATIONS MAYHARM THE ENVIRONMENT AND CAN LEAD TO THE IMPOSITION OF SUBSTANTIALFINES . BECAUSE REGULATIONS MAY VARY DUE TO PASSAGE OF NEW LAWS , WESUGGEST A CERTIFIED TECHNICIAN PERFORM ANY WORK DONE ON THIS UNIT .S HOULD YOU HAVE ANY QUESTIONS PLEASE CONTACT THE LOCAL OFFICE OF THEEPA.NATIONAL C ODESThis product is designed and manufactured to permit installationin accordance with National Codes. It is the installer’s responsibil-ity to install the product in accordance with National Codes and/or prevailing local codes and regulations.The heating and cooling capacities of the unit should be greaterthan or equal to the design heating and cooling loads of the areato be conditioned. The loads should be calculated by an approvedmethod or in accordance with ASHRAE Guide or Manual J - LoadCalculations published by the Air Conditioning Contractors ofAmerica.Obtain from:American National Standards Institute1430 BroadwayNew York, NY 10018System design and installation should also, where applicable, fol-low information presented in accepted industry guides such as theASHRAE Handbooks. The manufacturer assumes no responsibilityfor equipment installed in violation of any code or regulation. Themechanical installation of the packaged roof top units consists ofmaking final connections between the unit and building services;supply and return duct connections; and drain connections (if re-quired). The internal systems of the unit are completely factory-installed and tested prior to shipment.Units are generally installed on a steel roof mounting curb assem-bly which has been shipped to the job site for installation on theroof structure prior to the arrival of the unit. The model numbershown on the unit’s identification plate identifies the various com-ponents of the unit such as refrigeration tonnage, heating inputand voltage.Carefully inspect the unit for damage. Any bolts or screws whichmay have loosened in transit must be re-tightened. In the eventof damage, the receiver should:1. Make notation on delivery receipt of any visible damageto shipment or container.2. Notify carrier promptly and request an inspection.3. In case of concealed damage, carrier should be notified assoon as possible-preferably within 5 days.4. File the claim with the following supporting documents:a. Original Bill of Lading, certified copy, or indemnity bond.b. Original paid freight bill or indemnity in lieu thereof.c. Original invoice or certified copy thereof, showing tradeand other discounts or reductions.d. Copy of the inspection report issued by carrierrepresentative at the time damage is reported to thecarrier. The carrier is responsible for making promptinspection of damage and for a thorough investigationof each claim. The distributor or manufacturer will notaccept claims from dealers for transportation damage.NOTE: When inspecting the unit for transportation damage,remove all packaging materials. Recycle or dispose of the packagingmaterial according to local codes.P RE-I NSTALLATION C HECKSCarefully read all instructions for the installation prior to installingunit. Ensure each step or procedure is understood and any specialconsiderations are taken into account before starting installation.Assemble all tools, hardware and supplies needed to complete theinstallation. Some items may need to be purchased locally.UNIT LOCATIONT O PREVENT POSSIBLE EQUIPMENT DAMAGE, PROPERTY DAMAGE,PERSONAL INJURY OR DEATH, THE FOLLOWING BULLET POINTS MUSTBE OBSERVED WHEN INSTALLING THE UNIT .WARNINGIMPORTANT NOTE: Remove wood shipping rails prior to installa-tion of the unit. See important note under Roof Curb InstallationOnly.ALL INSTALLATIONS:I MPORTANT NOTE : Unit should be energized 24 hours prior tocompressor start up to ensure crankcase heater has suffi-ciently warmed the compressors. Compressor damage mayoccur if this step is not followed.NOTE: Appliance is shipped from factory for vertical ductapplication.Proper installation of the unit ensures trouble-free operation. Im-proper installation can result in problems ranging from noisyoperation to property or equipment damages, dangerous condi-tions that could result in injury or personal property damage andcould void the warranty. Give this booklet to the user and explainit’s provisions. The user should retain these instructions for futurereference.• For proper operation and condensate drainage, the unitmust be mounted level.• The flue outlet hood must be at least three feet above anyforced air inlet located within ten feet. The economizer/manual fresh air intake/motorized fresh air intake andcombustion air inlet mounted on the unit are not affectedby this restriction.• Do not locate the unit in an area where the outdoor air(i.e. combustion air for the unit) will be frequentlycontaminated by compounds containing chlorine orfluorine. Common sources of such compounds includeswimming pool chemicals and chlorine bleaches, paint