1. The furnace blower is set to run continuously or interconnected with HRV for proper fresh air distribution. See
furnace electrical connection on page 12.
2. Stale air is drawn from areas requiring local exhaust (bathroom, kitchen, laundry room).
3. Fresh air is supplied to the return air plenum of the furnace.
4. Due to the difference in pressure, 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
Suggested for:
Central furnace
When ducting fresh air to living area is not possible or practical
Benefits:
Conditions the fresh air prior to distributing it throughout the house
1. The furnace blower is set to run continuously or interconnected with HRV for proper fresh air distribution. See
furnace electrical connection on page 12.
2. A minimum separation of 1 m (39’’) is recommended between the two direct connections.
3. The HRV’s exhaust air connection should be upstream of the HRV’s supply air connection to prevent
exhausting any fresh air.
4. Due to the difference in pressure, 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”
Suggested for:
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