Daikin DCC180 Installation Instructions Manual

Also see for DCC180 Series: Service instructions

Contents

Daikin DCC180 Installation Instructions Manual Manual pdf 10 page image

10NOTE: Trap should be deep enough to offset maximumunit static difference. A minimum 4” trap is recommended.Drain Plug Roof CurbSee NOTEBase RailOpen Vent 2” MinDRAIN CONNECTIONInstall condensate drain trap as shown. Use 3/4” drain line andfittings or larger. Do not operate without trap.H ORIZONTAL D RAINDrainage of condensate directly onto the roof may be acceptable;refer to local code. It is recommended that a small drip pad ofeither stone, mortar, wood or metal be provided to prevent anypossible damage to the roof.CLEANINGDue to the fact that drain pans in any air conditioning unitwill have some moisture in them, algae and fungus will growdue to airborne bacteria and spores. Periodic cleaning isnecessary to prevent this build-up from plugging the drain.STARTUP, ADJUSTMENTS, AND CHECKSHIGH VOLTAGE!OND THE FRAME OF THIS UNIT TOTHE BUILDING ELECTRICAL GROUND BY USE OF THEGROUNDING TERMINAL PROVIDED OR OTHERACCEPTABLE MEANS . DISCONNECT ALL POWER BEFORESERVICING OR INSTALLING THIS UNIT .T O AVOID PERSONAL INJURY OR DEATH DUE TOELECTRICAL SHOCK, BWARNINGP RE-S TARTUP I NSTRUCTIONST O PREVENT PROPERTY DAMAGE OR PERSONAL INJURY, DO NOTSTART THE UNIT UNTIL ALL NECESSARY PRE-CHECKS AND TESTSHAVE BEEN PERFORMED.CAUTIONPrior to the beginning of Startup, Adjustments, and Checks proce-dures, the following steps should be completed in the building.MOVING MACHINERY HAZARD!T O PREVENT POSSIBLE PERSONAL INJURY OR DEATH, DISCONNECTPOWER TO THE UNIT AND PADLOCK IN THE “OFF” POSITION BEFORESERVICNG FANS .WARNINGH EATING STARTUPOn new installations, or if a major component has been replaced,the operation of the unit must be checked.Check unit operation as outlined in the following instructions. Ifany sparking, odors, or unusual sounds are encountered, shut offelectrical power and recheck for wiring errors, or obstructions inor near the blower motors. Duct covers must be removed beforeoperating unit.The Startup, Adjustments, and Checks procedure provides a step-by-step sequence which, if followed, will assure the proper startupof the equipment in the minimum amount of time. Air balancingof duct system is not considered part of this procedure. However,it is an important phase of any air conditioning system startup andshould be performed upon completion of the Startup, Adjustments,and Checks procedure. The Startup, Adjustments, and Checks pro-cedure at outside ambients below 55°F should be limited to a readi-ness check of the refrigeration system with the required final checkand calibration left to be completed when the outside ambientrises above 55°F.TEMPORARY H EATING O R COOLINGIf the unit is to be used for temporary heating or cooling, a “Startup,Adjustments, and Checks” must first be performed in accordancewith this manual. After the machines are used for temporary heat-ing or cooling, inspect the coils, fans, and motors for unaccept-able levels of construction dust and dirt and install new filters.CONTRACTOR R ESPONSIBILITYThe installing contractor must be certain that:• All supply and return air ductwork is in place, properlysealed and corresponds with installation instructions.• All thermostats are mounted and wired in accordancewith installation instructions.• All electric power, all gas, hot water or steam lineconnections, and the condensate drain installation havebeen made to each unit on the job. These main supplylines must be functional and capable of operating all unitssimultaneously.• All filters are in place.R OOF C URB INSTALLATION C HECKInspect the roof curb for correct installation. The unit and curbassembly should be level. Inspect the flashing of the roof mount-ing curb to the roof, especially at the corners, for good workman-ship. Also check for leaks around gaskets. Note any deficiencies ina separate report and forward to the contractor.