With Dedicated Dehumidifier Inlet Register - Aprilaire E080 Installation & Owner's Manual

DUCTING THE DEHUMIDIFIER OUTLET TO THE HVAC SYSTEM WITH DEDICATED DEHUMIDIFIER INLET REGISTER
• To direct dehumidified air away from a potentially wet
AC coil, duct to the supply side of the HVAC system for air
handler applications where air is pulled through the AC coil
(see FIGURE 16)
• Duct to the return side of the HVAC system for furnace
applications where air is pushed through the AC coil Check
local codes to verify that ducting to the return side of the
HVAC system is allowed (see FIGURE 17)
• Wire the dehumidifier to the HVAC system as shown in
FIGURE 20 and set up the dehumidifier to be disabled when
the AC is running
Use dedicated registers to duct the dehumidifier to the
whole home when HVAC system ductwork is unavailable or
impractical (see FIGURE 18)
FIGURE 16: DISCHARGE TO SUPPLY SIDE
DEDICATED RETURN TO MAIN SUPPLY
A
C
A. SUPPLY
B. RETURN
C. HVAC EQUIPMENT
FIGURE 17: DISCHARGE TO RETURN SIDE
DEDICATED RETURN TO MAIN SUPPLY
A
A. SUPPLY
B. RETURN
C. HVAC EQUIPMENT
FIGURE 18: STAND-ALONE DUCT
DEHUMIDIFIED
SPACE
10'
MIN
AIR IS PULLED
FROM DUCTED
SPACE
B
A. DEHUMIDIFIER
B. GRILL WITH 10" DUCT COLLAR (2 PLACES)
B
90-2691
B
C
90-2691
DEHUMIDIFIED AIR
IS SUPPLIED TO
DUCTED SPACE
A
90-1893
11