Startup, Supply, return, and exhaust backward curved fans, Airflow adjustment – AAON RL-240 User Manual

RL-181, RL-180, RL-120, RL-090, RL-075, RL-230, RL-210, RL-190, RL-170, RL-155, RL-135, RL-134, RL-125, RL-110, RL-100, RL-095, RL-070, RL-060, RL-045