Carrier 50TCQA Installation Instructions Manual

Also see for 48TC*D: Service and maintenance instructions Installation instructions

Contents

7A-B0.5” (13)B-C1.0” (25)A-C1.0” (25)MAXIMUM ALLOWABLEDIFFERENCE IN. (MM)C06110Fig. 4 -- Unit Leveling TolerancesStep 5 — Field Fabricate DuctworkCabinet return-air static pressure (a negative condition)shall not exceed 0.35 in. wg (87 Pa) with economizer or0.45 in. wg (112 Pa) without economizer.For vertical ducted applications, secure all ducts to roofcurb and building structure. Do not connect ductwork tounit.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: Horizontalapplications require a minimum clearance to combustiblesurfaces of 1--in (25 mm) from duct for first 12--in (305 mm)away from unit. Vertical applications do not require aminimum clearance.Minimum clearance is not required around ductwork.Step 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 used tomove unit across a roof. Level by using unit frame as areference. See Table 1 and Fig. 5 for additional information.Lifting holes are provided in base rails as shown in Fig. 5.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.C06005UNIT MAX WEIGHT DIMENSIONSA B CLB KG IN MM IN MM IN MM50TCQA04 755 343 74.38 1889 36.25 921 33.38 84850TCQA05 760 345 74.38 1889 36.25 921 33.38 84850TCQA06 840 381 74.38 1889 35.63 905 41.38 105150TCQA07 880 399 74.38 1889 37.25 946 41.38 1051NOTES:1. Dimensions in ( ) are in millimeters.2. Hook rigging shackles through holes in base rail, as shown in detail “A.” Holes in base rails are centered around theunit center of gravity. Use wooden top to prevent rigging straps from damaging unit.Fig. 5 -- Rigging Details50TCQA