Carrier 50TCQA04 Installation Instructions Manual

Also see for WeatherMaker 50TCQA07: Installation instructions Installation instructions Service and maintenance instructions

12C06005UNIT 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. 8 -- Rigging DetailsKeep unit upright and do not drop. Spreader bars are notrequired if top crating is left on unit. Rollers may beused to move unit across a roof. Level by using unitframe as a reference. See Table 4 and Fig. 8 foradditional information.Lifting holes are provided in base rails as shown in Fig. 8.Refer to rigging instructions on unit.Rigging materials under unit (cardboard or wood) must beremoved PRIOR to placing the unit on the roof curb.When using the standard side drain connection, ensure thered plug in the alternate bottom connection is tight. Do thisbefore setting the unit in place. The red drain pan plug canbe tightened with a 1/2 --in. square socket drive extension. Forfurther details see “Step 10 -- Install External CondensateTrap and Line” on page 14.Before setting the unit onto the curb, recheck gasketing oncurb.Positioning on Curb —Position unit on roof curb so that the following clearancesare maintained: 1 / 4 in. (6.4 mm) clearance between theroof curb and the base rail inside the front and rear, 0.0 in.clearance between the roof curb and the base rail inside onthe duct end of the unit. This will result in the distancebetween the roof curb and the base rail inside on thecondenser end of the unit being approximately 1 / 4 in.(6.4 mm).Although unit is weatherproof, guard against water fromhigher level runoff and overhangs.After unit is in position, remove all shipping materials andtop skid. Recycle or dispose of all shipping materials.Step 7 — Convert to Horizontal and ConnectDuctwork (when required)Unit is shipped in the vertical duct configuration. Unitwithout factory--installed economizer or return air smokedetector option may be field--converted to horizontal ductedconfiguration. To convert to horizontal configuration,remove screws from side duct opening covers and removecovers. Using the same screws, install covers on verticalduct openings with the insulation--side down. Seals aroundduct openings must be tight. See Fig. 9.Field--supplied flanges should be attached to horizontalduct openings and all ductwork should be secured to theflanges. Insulate and weatherproof all external ductwork,joints, and roof or building openings with counter flashingand mastic in accordance with applicable codes.Do not cover or obscure visibility to the unit’s informativedata plate when insulating horizontal ductwork.