Resideo ZD12X20TZ Damper 320788-702 frequent ignition failures (Error Code

frequent ignition failures (Error Code 16 or 504)

Always verify the full-load amperage (FLA) of your equipment before wiring

you should also inspect the fan motor and capacitors

this permanent split capacitor (PSC) motor utilizes a 208-230V single-phase electrical supply

it can be integrated into 3-wire layouts with the appropriate relay or by identifying the specific power-close terminals

Resideo ZD12X20TZ Damper 320788-702 frequent ignition failures (Error CodeThe Resideo ZD12X20TZ is a heavy duty, 12" x 20" rectangular zone damper engineered for precision airflow management in TrueZONE and other 24V electronic HVAC zoning systems. This parallel blade zone damper features high integrity extruded aluminum construction, ensuring long term structural stability and a low leakage rate of less than 1% at 0. 5 in. WC. Designed for fail safe normally open operation, the integrated ZD series 24Vac actuator utilizes