Electro Industries EM-MC Series, Installation & Operating Manual

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07/29/2019 18 EI915
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