Exhaust Hood; Ground Level - Bryant HRVBBLHA Installation Instructions Manual

supply to system duct work, the metal duct should be
insulated (See Fig. 9). This can act as a silencer when
connecting ducts to return ---air duct system. This should
eliminate transmission of noise or vibration from unit to
main duct system.
Note: Balancing dampers should be installed in stale ---air
exhaust and fresh air intake ducts before connecting to the
B
FURNACE
HRV
REAR
INLET HOOD
NOTE: ALL DUCT WORK TO BE FIELD SUPPLIED.
HRVBBSVU and HRVBBLVU units. The balancing dampers
are provided in the HRVBBLHA units (see balancing HRV
section). Make sure both balancing dampers are left in fully
open position before connecting the ducts to these ports. See
Integrated balancing damper illustration.
NOTE: A + B = Not less than 10 feet
A
6 IN.
6 IN.
6 FEET
Fig. 8 --- Exhaust Ventilation
4
3 FT
INSULATED DUCT CONNECTING
FRESH AIR & EXHAUST TO
OUTSIDE
NOTE: SUPPLY & EXHAUST DUCTS TO HAVE
BALANCING DAMPERS (ON COLD SIDES)
(SEE STEP 4-CONNECT DUCTS TO HRV)

EXHAUST HOOD

18 IN.

GROUND LEVEL

A05357