9
Indoor Units
Indoor Unit
Quantity
IDU/ODU
Capacity Ratio
Note
AHU Control Kit Only
1 50%~100%
> 1 50%~130%
AHU Control Kits
and VRF Indoor Units
> 1 50%~130%
Capacity of VRF indoor units (AHU
kits not included) shall not be less
than 50% of outdoor capacity.
NOTE - Air ow rate shall not exceed 400 CFM/Ton.
Table 3. Allowed Indoor Unit & Outdoor Unit Capacity Ratio
Designs with these kits require approval by the Lennox VRF Applications Team prior to installation.