See Figure 7. Seal joint between coil casing and furnace to create air--tight seal using locally--approved materials. April 26, 2019 Bryan Orr No Comments. Cased Coil Misalignment. Disconnect and remove a sufficient portion of the supply ductwork to provide clearance for the cased coil. Remove the cap and nut ... (2.5 ft-lbs) Attach drain line to … This is a field-installed accessory only. How to attach cased coil to furnace. Thin sheet metal we use to create the transition. NOTE: The top flanges on the furnace must be bent 90 degrees upward to allow the coil attachment. Position the coil on the outlet of the furnace using sheet metal screws. If the uncased coil is to be installed on top of a gas furnace, allow enough space between the top to the furnace and the bottom of the plastic coil drain pan to have a free flow of air. Install the evaporator coil level with the drain connection to ensure proper drainage. only trained and certified hvac/r personnel should service a heating and cooling system. The evaporator coil must be installed in the discharge (supply) air of a gas or oil furnace. Standoffs and screws (See Figure 1, page 6) are included with the cased coils for attachment to the furnace. Drain pans are made of a polymer that can withstand ... Cased coils with piston florator assemblies are shipped with a cap and nut over the threaded fitting. 4. Do not install an evaporator coil in the return air, or excessive condensation will occur within the furnace. Fujitsu Indoor Furnace cased coils and replacement uncased coils are designed for use with Fujitsu outdoor units and are available for vertical upflow or downflow, and horizontal left or horizontal right airflow. There are clearance alignment holes near the bottom of the coil wrapper. A minimum of 2.0” distance from the top of the furnace and the bottom of the coil pan is required. c. Install the cased coil following the Installation Instruc-tion section D-1 of these instructions. Drill screws are used to engage the furnace top flanges. 1. Mark holes on tabs 3. UPFLOW GAS FURNACE - Add-on Cooling a. warning: videos are for educational purposes only!! Single panning and double panning. cased indoor cooling and heat pump coils. Use self--tapping screws to attach furnace. Self-Tapping Screws Drill After Coil Is Installed A05420 Figure 7 -- Attach Coil to Furnace 5. 2. Pre drill holes 4. Provides fast and easy coil access without the need to cut refrigerant lines 1% or Less Cabinet Air Leakage Allows for quick and easy installation without the need to add tape to seams Premier Evaporator Coil ADP premier evaporator coils match perfectly with your system, providing an upgrade over standard matched coils. 3 tabs are provided, the front of the evaporator doesn't get a tab and has to line up with plenum 2. † RXBA-AC (Upflow/Horizontal) These plenum adapter accessories are for use when a cooling coil is matched with a gas furnace of one smaller size. Caulk the seam between furnace and cased coil. Screw holes into tabs 5. b. This allows a 241/2" wide cased coil to be installed on a 28" wide oil furnace. Turn furnace power OFF and remove the flue pipe if necessary. NOTE: If the coil and furnace are different widths, refer to Figure 2 and Figure 3. 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