FB4C and FX4D models are R-410A Fan Coils designed for installation flexibility. These units leave the factory compliant with low leak requirements of less than 2% cabinet leakage rate at 0.5 inches W.C. and 1.4% cabinet leakage rate at 0.5 inches W.C. when tested in accordance with ASHRAE 193 standard.. Carrier FB4C Installation Manual View and Read online.. device (018 thru 048) with 2--speed PSC (permanent split capacitor) motors and TXV with 3--speed PSC motor for the 060 size, These units can be used for upflow or downflow (kit required) orientations, including manufactured and mobile homes applications. These units require a field.
FB4C Base Series Fan Coil Sizes 018 thru 060 Product Data A10082 AIR HANDLER TECHNOLOGY AT ITS FINEST The FB4C fan coil combines the proven technology of Carrier fan coil units with the flexibility to handle both Puron ®refrigerant and R--22, as well as vertical and horizontal applications.. Product Heating Size Fan Coil 00 = No Heat 05 = 5.. The 50 Hz FB4C fan coil has the proven technology of Carrier fan coil. • Newly improved filter rack area filter door insulation added for improved air seal. Table 1 - FB4C Airflow Performance (CFM) Model & Size Blower Speed 0.10 0.20 0.30 0.40 0.50 0.60 FB4C(S,Q)L 018