Vanee 200H connection to Viessmann Airflow Plus air handler AH2A-354

[garyparsons]

Hello Forum,

Please disregard my last post. I am planning to connect a Vanee 200 H, HRV system to my Viessmann air handler AH2A-354. I would like the HRV unit to start at the maximum flow rate when the blower at the Viessmann air handler starts. And the HRV unit stops with the Viessmann blower stops. I have a nest thermostat that is currently connected to the air handler. Could you please guide me to what terminals (wires) are to be connected from my air handler to the HRV unit? Thanks a lot for your help. Please see attached the installation manuals and a picture of the air handler controller.

[samihabib]

You connect the HRV to G and R so when t stat turns on blower will give 24V to hrv to run

[garyparsons]

Thanks Sam I connected air handler G & R to HRV NO & C. It didn't work.