Fantech SHR 1504 Operation Manual

Also see for SHR 1504: Operation manual Installation manual Installation manual Operation manual

Fantech SHR 1504 Operation Manual Manual pdf 19 page image

11INSTALLATION EXAMPLES (CONT'D)DIRECT CONNECTION of both the HRV SUPPLY AIR STREAM andEXHAUST AIR STREAM to the FURNACE COLD AIR RETURNSimplified InstallationOption 1(Return/Return Method)NOTES:1. Furnace blower must operate when ventilation from HRV is required.The furnace should be set to run continuously or interlocked with HRV.2. A minimum separation of 1m (39") is recommended between the twodirect connections.3. In order to prevent exhausting any fresh air, the HRV's exhaust air con-nection should be upstream of the HRV's supply air connection whenducting to the furnace's cold air return.4. Weatherhood arrangement is for illustrative purposes only. 3m (10') mini-mum separation and 460mm (18") above grade is recommended.5. Due to the differences in pressure between the HRV and the equipmentit is being connected to, the HRV’s airflow should be balanced on site,using the procedure found in section "AIRFLOW BALANCING".NOTE: In the case of a sim-plified installation, Option 1is recommended.Example diagram only - Duct configuration may change depending on modelStale air coming from different areas of thehouse (ie bathroom, kitchen).* Unit air flow should be balanced while HRV is on "High" speed and fur-nace blower is running.OutsideAir return1 m (3' 3")min.recommendedCold airreturn* Ductwork layout may dif-fer depending on modelHRV/Furnace ducting for Simplified Installation - Option 1