† 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. Standoffs and screws (See Figure 1, page 6) are included with the cased coils for attachment to the furnace. This is a field-installed accessory only. How to attach cased coil to furnace. April 26, 2019 Bryan Orr No Comments. cased indoor cooling and heat pump coils. warning: videos are for educational purposes only!! Screw holes into tabs 5. 3 tabs are provided, the front of the evaporator doesn't get a tab and has to line up with plenum 2. only trained and certified hvac/r personnel should service a heating and cooling system. 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. The evaporator coil must be installed in the discharge (supply) air of a gas or oil furnace. Self-Tapping Screws Drill After Coil Is Installed A05420 Figure 7 -- Attach Coil to Furnace 5. 1. UPFLOW GAS FURNACE - Add-on Cooling a. There are clearance alignment holes near the bottom of the coil wrapper. Pre drill holes 4. Position the coil on the outlet of the furnace using sheet metal screws. 4. c. Install the cased coil following the Installation Instruc-tion section D-1 of these instructions. NOTE: If the coil and furnace are different widths, refer to Figure 2 and Figure 3. Caulk the seam between furnace and cased coil. Disconnect and remove a sufficient portion of the supply ductwork to provide clearance for the cased coil. 2. Install the evaporator coil level with the drain connection to ensure proper drainage. Cased Coil Misalignment. Mark holes on tabs 3. NOTE: The top flanges on the furnace must be bent 90 degrees upward to allow the coil attachment. Remove the cap and nut ... (2.5 ft-lbs) Attach drain line to … A minimum of 2.0” distance from the top of the furnace and the bottom of the coil pan is required. Seal joint between coil casing and furnace to create air--tight seal using locally--approved materials. 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. 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. See Figure 7. b. Turn furnace power OFF and remove the flue pipe if necessary. On occasion you will either find a furnace or be tasked with installing a furnace where the coil overlaps the edge of the furnace because the coil is wider. 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. Do not install an evaporator coil in the return air, or excessive condensation will occur within the furnace. Use self--tapping screws to attach furnace. Drill screws are used to engage the furnace top flanges. Single panning and double panning. This allows a 241/2" wide cased coil to be installed on a 28" wide oil furnace. Thin sheet metal we use to create the transition. For attachment to the furnace and the bottom of the furnace using sheet metal we use to create the.! Bottom of the furnace using sheet metal screws cased coils for attachment to furnace. '' wide cased coil following the Installation Instruc-tion section D-1 of these instructions See Figure 1, page ). 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