Mount Housing; Hose Connections - Aprilaire 850 Installation & Maintenance Instructions Manual

InSTallaTIon InSTRUCTIonS

MoUnT HoUSInG

The Model 850 Fan Pack installs between the studs of a standard 16"
on-center wall . Drywall on both sides of the wall must be removed
for piping and wiring the Model 850 . To ensure proper operation, the
Model 850 must be mounted level. Use the four 1-1/2" mounting
screws provided to attach the housing to the wall studs . See Figure 6 .

HoSe ConneCTIonS

Connect the steam hose (provided with the Model 800) to the
Model 850 and use hose clamp (provided with Model 800) to
secure . See Figure 7. If more than 6 feet is required, use insulated
hard pipe as shown in Figure 3 . See Model 800 manual for the
affect on capacity .
Connect 3/8" ID condensate tubing to the Model 850 and use
wire-tie to secure See Figure 7 . To create a trap, make a 6" loop
in the condensate hose . See Figure 2 . noTe: The 6" loop must be
located below the Model 850 connection . Do not kink condensate
hose and use wire tie to secure loop. The loop is required to
prevent steam from escaping into the drain .
6
(ConTInUeD)
FIGURe 6 – Wall opening and Mounting
90-1550
FIGURe 7 – Hose Connections
Condensate
Wall Stud
Wall Cut-out
7-1/4"
14-1/4"
16"
Wall Studs on Center
Steam
Tube Tube
Electrical
Terminals
90-1560