Biddle STYLE2 Series Installation Operation & Maintenance page 14

INVISIDOR STYLE AIR CURTAIN: Installation, Operation & Maintenance Instructions
2
LPHW Models
For LPHW models ensure suitable water isolating valves, as detailed below, are fitted to both the flow
and return pipework.
For the Style air curtain the 3 port valve is fitted inside each unit. There must be a removable section
2
of pipe between the isolating valve in the flow pipe and the inlet into the 3-port valve, to allow for removal
of the 3 port valve if it ever needs to be replaced.
Version 5.0 (Original Manual) Page | 14