Ducting The Dehumidifier Inlet And Outlet To The Hvac System - Aprilaire E080 Installation And Owner's Manual

DUCTING THE DEHUMIDIFIER INLET AND OUTLET TO THE HVAC SYSTEM

Return-to-Return Basement Installation
2
1
19
Return-to-Return Attic Installation
11
13
15
Figure 15: Four Installation Configurations
1 - Air is Pulled from the Supplied
to the Main Supply Duct
2 - 10" Duct
3 - 6' Minimum
4 - HVAC/Furnace
5 - Air is Pulled from the Main Supply Duct
6 - Model E080 0 . 4 " WC Maximum
7 - Model E100H 0 . 6 " WC Maximum
8 - Air is Discharged to the Supply Duct
9 - 10" Duct
• Use when both sides of the duct system are
accessible (see Figure 16) .
• When ducting from return to supply, the HVAC
blower does not need to be running when the
dehumidifier is running .
• When ducting return to supply, allow adequate
space before the first branch duct to ensure the
warm dehumidified air is thoroughly mixed with the
HVAC system air .
10 English
4
6'
Min
3
90-1886
17
18
6'
Min
14
90-1888
Return-to-Supply Basement Installation
7
6
5
9
Return-to-Supply Attic Installation
6
10
11
24"
Min
16
15
10 - Plenum Box
11 -
Air Handler
12 - Plenum
13 - Filter
14 - Condensate Pan
15 - 10" Diameter Insulated Duct Both Sides
16 - 24" Minimum
17 - 6' Minimum
18 - Plenum Box or Y-Fitting
19 - Dehumidifier
• When ducting from return to return, wire the
dehumidifier to the HVAC system as shown in
Figure 20 to ensure the HVAC blower runs when the
dehumidifier is operating .
• Wire the dehumidifier to the HVAC system
( see Figure 20 for exact wiring) and set up the
dehumidifier to be disabled when the AC is running .
8
4
90-1887
7
12
13
14
90-1889