Erv (Energy Recovery Ventilation) Control; Erv Control - Mitsubishi Electric TRANE NTXAMT12A112AA Service Manual

NTXAMT12, 18, 24, 30, 36A112AA

11. ERV (ENERGY RECOVERY VENTILATION) CONTROL

11.1. ERV Control

Sequence of operation:
1. The ERV demand switch closes CNER
2. 12VDC is provided to CN2C to turn on ERV
3. If the unit goes into defrost, CN2C stops 12VDC output
ERV Switch:
• Non-Voltage a-contact input
• Contact rating voltage >= 15VDC
• Contact rating current >= 0.1 A
Specifications are subject to change without notice. 38 © 2022 Mitsubishi Electric Trane HVAC US LLC. All rights reserved.