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Drain Connection (HRV only)
Grilles
Drain Connection
The HRV may produce some condensation during a defrost cycle.
This water should flow into a nearby drain, or be taken away by a
condensate pump.
The HRV cabinet has prepunched holes for the drain (see below).
Insert the drain spout through the hole in the drain pan. Be sure to
install the "O ring" which seals each spout to the pan. HAND
TIGHTEN the washer and lock nut which hold the drain spout in
place.
Construct a P-Trap using the plastic tee connector. Cut two lengths
of 1/2" drain hose (not included) and connect the other ends to the
two drain spouts. Position the "T" fitting to point upward and
connect the drain line. Tape or fasten base to avoid any kinks. Pour
a cup of water into the drain pan of the HRV after the drain
connection is complete. This creates a water seal which will
prevent odors from being drawn up the hose and into the fresh air
supply of the HRV.
Adjustable grilles should be used to balance the flow rates into and
out of various rooms. The grilles should not be adjusted after
balancing the unit.
Grilles or diffusers should be positioned high on the wall or in the
ceiling. Kitchen Exhaust grilles must never be connected to the
range hood. They should be installed at least 4 feet (1.2 m)
horizontally away from the stove.
Field supplied balancing dampers should be installed external to
the unit to balance the amount of stale air being exhausted with the
amount of fresh air being brought into the house. Refer to Air flow
Balancing section.
The Techgrille
The TECHGRILLE is a round, fully adjustable grille, which
provides superior, quiet air distribution.
4” (100 mm) Part No. 99-EAG4
5” (125 mm) Part No. 99-EAG5
6” (150 mm) Part No. 99-EAG6
The HRV and all condensate lines must be
installed in a space where the temperature is
maintained above the freezing point or freeze
protection must be provided.
CAUTION
D
RAIN
SPOUT
ZIP TIE
TO DRAIN
TEE
CONNECTOR
DRAIN
SPOUT
P
RE-PUNCHED HOLES (2)
D
RAIN PAN DRAIN PAN
1/2 " I.D.
D
RAIN HOSE
DRAIN HOSE PLUMBING
DRAIN
SPOUT
DRAIN
SPOUT
TO DRAIN
1/2" HARD PIPE
TEE
JOINT
PRE-PUNCHED HOLES (2)
DRAIN PA N D RAIN PAN
HARD PIPE PLUMBING
Drain trap and tubing MUST be below
bottom of door with 1/4" per foot
downwards slope away from unit.
CAUTION
Note: Secondary drain pan may be required to protect from
condensate leakage.
CAUTION
Do not mount exhaust grille within 4’
(1.2m) (horizontally) of a stove to prevent
grease from entering the unit.
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