Make Up Air II Installation Manual
05/21/2019 20 EI914
Multi-Speed Setup
If your application includes a multi-speed blower, follow the setup steps in this section.
Step 1
Enter into “MULTI-SPD SETUP” mode:
Press and hold “SELECT” and “NEXT” for 5 seconds
FAN OFF
Step 2
Select “NEXT” to begin “MULTI-SPD SETUP”
(select HOME to return)
MULTI-SPD NEXT
HOME
Step 3
Turn on vent hood to its highest setting, then press “NEXT”
SET EXT BL – HI
PRESS NEXT
NOTE: If display reads:
ERROR: 1 = 0.0A
PRESS NEXT
Check CT doughnut wiring to verify it is correct, then press “NEXT”
Step 4
If vent hood has a medium speed select Y, if not select N
MED SPD Y
N