Carrier 50TC*D17 Series Installation Instructions Manual

Also see for 50TC*D17 Series: Service and maintenance instructions

Contents

50TC*D10A-B6 (0.25”)B-C12 (0.5”)A-C12(0.5” )MAXIMUM ALLOWABLEDIFFERENCE MM (IN.)ABCC09386Fig. 6 -- Unit Leveling TolerancesControl BoxAccess PanelFilter andIndoor CoilAccess PanelIndoor BlowerAccess PanelElectric HeatAccess Panel Compressor(each side)C09380Fig. 7 -- Typical Access Panel and Compressor LocationsStep 5 — Field Fabricate DuctworkCabinet return-air static pressure (a negative condition)shall not exceed 87 Pa (0.5 in. wg) with economizer orwithout economizer.For vertical ducted applications, secure all ducts to roof curband building structure. Do not connect ductwork to unit.Insulate and weatherproof all external ductwork, joints,and roof openings with counter flashing and mastic inaccordance with applicable codes.Ducts passing through unconditioned spaces must beinsulated and covered with a vapor barrier.If a plenum return is used on a vertical unit, the returnshould be ducted through the roof deck to comply withapplicable fire codes.For units with accessory electric heaters:Minimum clearance is not required around ductwork.PERSONAL INJURY HAZARDFailure to follow this warning could cause personalinjury.For vertical supply and return units, tools or partscould drop into ductwork and cause an injury. Installa 90--degree turn in the return ductwork between theunit and the conditioned space. If a 90--degree elbowcannot be installed, then a grille of sufficient strengthand density should be installed to prevent objectsfrom falling into the conditioned space. Due toelectric heater, supply duct will require 90--degreeelbow.! WARNINGStep 6 — Rig and Place UnitKeep unit upright and do not drop. Spreader bars are notrequired if top crating is left on unit. Rollers may be usedto move unit across a roof. Level by using unit frame as areference. See Table 1 (on page 7) and Fig. 8 for additionalinformation.Lifting holes are provided in base rails as shown in Fig. 8.Refer to rigging instructions on unit.UNIT DAMAGE HAZARDFailure to follow this caution may result inequipment damage.All panels must be in place when rigging. Unit is notdesigned for handling by fork truck.CAUTION!Before setting the unit onto the curb, recheck gasketing oncurb.Positioning on Curb —Position unit on roof curb so that the following clearancesare maintained: 6 mm (1 / 4 in.) clearance between the roofcurb and the base rail inside the right and left, 12 mm( 1 / 2 in.) clearance between the roof curb and the base railinside the front and back. This will result in the distancebetween the roof curb and the base rail inside on thecondenser end of the unit being approximately equal toDetail A in Figs. 4 and 5.Do not attempt to slide unit on curb after unit is set. Doingso will result in damage to the roof curb seal.Although unit is weatherproof, guard against water fromhigher level runoff and overhangs.After unit is in position, remove rigging skids andshipping materials.