Partially Dedicated System - SystemAir Fantech SHR 150R Manuel D'installation Et D'utilisation

6
INSTALLATION EXAMPLES (CONT'D)
DIRECT CONNECTION of the FRESH air to living area to the RETURN PLENUM
of the AIR HANDLER (Stale air drawn from key areas of home)
PARTIALLY DEDICATED SYSTEM (BETTER)
1. In order to provide proper distribution of the fresh air, it is
recommended that the furnace blower be set to run continuously or
interconnected with HRV.
page 15.
2. Stale air is drawn from key areas of the home (bathroom, kitchen,
laundry room).
3. Fresh air is supplied to the return air plenum of the furnace.
4. Due to the difference in pressure between the HRV and the
equipment it is being connected to the HRV's airflow must be
balanced on site, using the procedure found in the section "AIRFLOW
BALANCING"
* In the case of a multi-zone system, please contact Fantech customer
service prior to installing any installation type requiring the use of the
furnace interlock"
HRV/Furnace ducting for Partially Dedicated System
* Ductwork layout may dif-
fer depending on model
Fresh air from
outside
Stale air to
outside
See furnace electrical connection on
Air return
Air from inside
Fresh air to
living areas
* Unit air flow should be balanced while HRV is on "Normal" speed and
furnace blower is running.
Suggested installation for:
• Central furnace (air
handling unit or central
air conditioners)
• When ducting fresh
air to living area is not
possible or practical,
i.e. expensive or when
the central AHU will
operate year-round.
Benefits: Conditions the
fresh air prior to
distributing it throughout
the house
Make sure the HRV is
capable of meeting the
required airflow rate.
1 m (3' 3")
min.
recommended
Cold air
return