Carrier 50TCQA Installation Instructions Manual

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

Contents

10Economizer Hood and Two--Position Hood —NOTE: If the power exhaust accessory is to be installedon the unit, the hood shipped with the unit will not beused and must be discarded. Save the aluminum filter foruse in the power exhaust hood assembly.1. The indoor coil access panel will be used as the top ofthe hood. Remove the screws along the sides and bot-tom of the indoor coil access panel. See Fig. 10.SIDEPANELINDOORCOILACCESSPANELINDOORCOILACCESSPANELCAULKHERETOPSIDEPANELC06025Fig. 10 -- Indoor Coil Access Panel Relocation2. Swing out indoor coil access panel and insert thehood sides under the panel (hood top). Use the screwsprovided to attach the hood sides to the hood top. Usescrews provided to attach the hood sides to the unit.See Fig. 11.BTOPPANELINDOOR COILACCESS PANEL19 1/16”SCREWHOOD DIVIDERLEFTHOODSIDE33 3/8”(848mm)(483mm)C06026Fig. 11 -- Economizer Hood Construction3. Remove the shipping tape holding the economizer ba-rometric relief damper in place.4. Insert the hood divider between the hood sides. SeeFig. 11 and 12. Secure hood divider with 2 screws oneach hood side. The hood divider is also used as thebottom filter rack for the aluminum filter.5. Open the filter clips which are located underneath thehood top. Insert the aluminum filter into the bottomfilter rack (hood divider). Push the filter into positionpast the open filter clips. Close the filter clips to lockthe filter into place. See Fig. 12.DIVIDERBAROMETRICRELIEFCLEANABLEALUMINUMFILTER FILTERHOODFILTERCLIPOUTSIDEAIRC08634Fig. 12 -- Economizer Filter Installation6. Caulk the ends of the joint between the unit top paneland the hood top.7. Replace the filter access panel.Step 9 — Install External Condensate Trap andLineThe unit has one 3 / 4 -in. condensate drain connection onthe end of the condensate pan and an alternate connectionon the bottom. See Fig. 13. Unit airflow configurationdoes not determine which drain connection to use. Eitherdrain connection can be used with vertical or horizontalapplications.When using the standard side drain connection, ensure thered plug in the alternate bottom connection is tight. Dothis before setting the unit in place. The red drain pan canbe tightened with a 1 / 2 --in. square socket drive extension.To use the alternate bottom drain connection, remove thered drain plug from the bottom connection (use a 1 / 2 --in.square socket drive extension) and install it in the sidedrain connection.DRAIN(FACTORY-INSTALLED)PLUGCONDENSATE PAN (SIDE VIEW)STANDARDSIDE DRAINALTERNATEBOTTOM DRAINC08021Fig. 13 -- Condensate Drain Pan (Side View)The piping for the condensate drain and external trap canbe completed after the unit is in place. See Fig. 14.50TCQA