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INSTALLATION
When Installing this Product...
1. Read these instructions carefully. Failure to follow
these instructions could damage the product or
cause a hazardous condition.
2. Check the ratings on the product to make sure the
product is suitable for your application.
3. Installer must be a trained, experienced service
technician.
4. After installation is complete, check out product
operation as provided in these instructions.
CAUTION
Electrical shock hazard.
Can cause personal injury or equipment damage.
Disconnect power supply to prevent electrical shock or
equipment damage.
Unpacking Fresh Air Ventilation System
Check that all the components are included. The Fresh Air
Ventilation System is shipped assembled. The carton contains
the following:
• Fresh Air Ventilation System.
• Vibration isolation straps (4).
• Drain fittings (2) and T fitting (1).
• Literature package.
Except for the mounting hardware and drain fittings, the
ventilator is ready for installation. Wiring, drain connections
and ducting are required to complete the installation.
Mounting
Suspended from Floor Joists
1. Mount the four vibration isolation straps (provided) to the
side of the ventilator using the mounting screws located
on the cabinet. See Fig. 2 and 3.
2. Securely fasten the other ends of the straps to the floor
joists with wide-head nails (not supplied), making sure
the unit is level. The straps are designed to reduce
noise, resonance or harmonics; therefore, using the full
length of the strap between the ventilator and the floor
joists is recommended.
NOTE: Removing door and core reduces the weight of
the ventilator, making it easier to lift into place.
Floor Mounting
The mounting hardware included is not needed for floor
mounting.
1. Use 2 x 4 in. wood pieces to build a frame to support the
ventilator along the bottom edge. The frame must hold
the ventilator at least 10 in. up from the floor to allow
clearance for the drain line.
2. Set the frame back approximately 2 in. from the front-
edge to avoid interference with the hinged door.
HR150B, HR200B PERFECT WINDOW™ FRESH AIR VENTILATION SYSTEMS
3. Place the ventilator on the frame. Secure the ventilator to
the frame using screws and a strip of wood or metal;
screw into the side walls of the ventilator within 1 in. of
the bottom.
4. Connect the drain lines to a drain; see Installing Drain
Line and P-Trap section.
5. Connect the ventilator to the ducts.
Installing Drain Line and P-Trap
There are two holes at the bottom of the ventilator for the drain
pan connectors.
1. Insert the connectors through the hole in the drain pan
and the bottom of the unit.
2. Place the washer and nut on the connector.
3. Hand tighten the nut. See Fig. 7.
Construct a P-trap using the plastic T-fitting provided.
1. Cut two lengths of 1/2 in. ID hose and connect each
drain fitting to the end of the T-fitting.
2. Position the center leg of the T-fitting so it points upward.
3. Connect the drain line to the center leg and tape it in
place to prevent any kinks. See Fig. 8.
This creates a trap that will hold some condensation and
prevent odors from being drawn up through the drain hose into
the unit. If the unit is installed during a season when it is
unlikely that condensation will form, fill the trap with tap water.
7
DRAIN
PAN
HR
BOTTOM
NUT
Fig. 7. Installing drain line.
TO DRAIN
TAPE
Fig. 8. Installing P-trap.
O RING
WASHER
M6552
T FITTING
M6551
68-0285
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