Carrier 50EZ-A30 Installation Instructions Manual

Also see for COMFORT 50EZ-A30: Owner's information manual Owner's information manual Product data Installation instructions

Contents

7ACCESS PANELS MUST BE IN PLACE WHEN RIGGING.PANNEAUX D'ACCES DOIT ÊTRE EN PLACE POUR MANIPULATION.50CY502286 2.0CAUTION - NOTICE TO RIGGERSPRUDENCE - AVIS AUX MANIPULATEURUse top skid as spreader bar. / Utiliser la palette du haut comme barre de répartitionSEAL STRIP MUST BE INPLACE BEFORE PLACINGUNIT ON ROOF CURBDUCTSDETAIL AVOIR DÉTAIL AMINIMUM HEIGHT: 36" (914.4 mm)HAUTEUR MINIMUMUNIT HEIGHTHAUTEUR D'UNITÉSEE DETAIL AVOIR DÉTAIL ABANDE SCELLANT DOIT ÊTREEN PLACE AVANT DE PLACERL'UNITÉ SUR LA BASE DE TOITA09051CORNER WEIGHTS (SMALL CABINET) CORNER WEIGHTS (LARGE CABINET)Unit 30 36 Unit 42 48 60lb kg lb kg lb kg lb kg lb kgRiggingWeight 340 154 343 156 RiggingWeight 419 190 429 195 454 206*For 460 Volt units add 14 lb (6.35 kg) to the rigging weight.NOTE: See dimensional drawing for corner weights.Fig. 5 -- Rigging WeightsRigging/Lifting of Unit (See Fig. 5.)UNIT FALLING HAZARDFailure to follow this warning could result in personal injuryor death.Large base units must be secured to common curb beforeallowing full weight of unit to rest on curb. Install screwsthrough curb into unit base rails while rigging crane is stillsupporting unit.! WARNINGLifting holes are provided in base rails as shown in Fig. 2 and 3.1. Leave top shipping skid on the unit for use as a spreader barto prevent the rigging straps from damaging the unit. If theskid is not available, use a spreader bar of sufficient length toprotect the unit from damage.2. Attach shackles, clevis pins, and straps to the base rails of theunit. Be sure materials are rated to hold the weight of the unit.(See Fig. 5).3. Attach a clevis of sufficient strength in the middle of the straps.Adjust the clevis location to ensure unit is lifted level with theground.After the unit is placed on the roof curb or mounting pad, remove thetop skid.ABCMAXIMUM ALLOWABLEDIFFERENCE in. (mm)A-C1/4 1/4 1/4(6.35) (6.35) (6.35)A-B B-CA07925Fig. 6 -- Unit Leveling TolerancesStep 5 — Select and Install DuctworkThe design and installation of the duct system must be inaccordance with the standards of the NFPA for installation ofnon--residence type air conditioning and ventilating systems,NFPA 90A or residence--type, NFPA 90B and/or local codes andordinances.Select and size ductwork, supply--air registers, and return air grillesaccording to ASHRAE (American Society of Heating,Refrigeration, and Air Conditioning Engineers) recommendations.The unit has duct flanges on the supply-- and return--air openingson the side of the unit.50EZ-- A