SystemAir VH07 - Aeraulic Connections; Duct Connection Dimensions

English
In no event should one or more of the apertures be blocked.
If one of these apertures were to be blocked, it would create a drop in unit available static pressure,
and poor air irrigation on the coil surface, leading to a signicant drop in unit performance and
possible fan motor damage.
Caution
12 VH
8. AERAULIC CONNECTIONS
Only the supply air plenum is insulated.
The return air plenum is tted with a pre-cut inlet for fresh air intake:
² Ø100mm or Ø125mm (VH07)
² Ø160mm (VH15 - VH18 - VH21)
² Ø200mm (VH24 - VH27)
SEE APPENDIX
8.1. DUCT CONNECTION DIMENSIONS