The fan coil unit assembly connects to a return air plenum with one-inch lining and a supply plenum with one-inch lining unless otherwise noted on the floor plan. A MERV thirteen filter box is positioned between the units, maintaining a minimum filter box depth of twelve inches or thirty inches for eight-ton units. The outside air duct and return air duct connect to the plenums to complete the HVAC distribution assembly.
NOTES FAN COIL UNIT. 1 RETURN PLENUM WITH 1" LINING, UNLESS OTHERWISE NOTED ON FLOOR PLAN. 2 SUPPLY PLENUM WITH 1" LINING, UNLESS OTHERWISE NOTED ON FLOOR PLAN. 3 MERV 13 FILTER BOX. 4 5 MINIMUM FILTER BOX DEPTH OF 12". 30" FILTER BOX DEPTH FOR 8-TON UNITS. 5 RETURN AIR DUCT. 6 OUTSIDE AIR DUCT. 7 7 6 1 3 4 2
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