Hydraulic Connections; Cooling Coil - Orlanski ORLIGNO 500 Instruction Manual & Service Manual

6.2. Hydraulic connections.

Cooling coil tappings– 2 × DN 20
Supply to installation. – DN 50
Return from installation
Drain valve – DN 15

6.3. Cooling coil

In connection with thermostatic valve BVTS it protects the boiler from overheating. Cooling coil needs to
be connected to cold water installation through thermostatic valve BVTS. Cooling coil outlet should be
directed to drains.
Pic. 5 BVTS connection scheme
23