Installation Instructions
 Installation and Service Manual Upsilon-Series 
9
3 Scopeofdelivery
The boiler will be delivered ready for use. The delivery package includes the following:
•  Boiler and housing:
  • Boiler pump(s);
  • Cascade control system;
  • Automatic air vent(s);
•  Siphon;
•  Lid ø100 air supply (with screw);
•  PG cable glands;
•  Suspension bracket;
•  Mounting material consisting of plugs and screws;
•  Installation and Service Manual;
•  User manual;
Depending on the selected cascade systems, the following parts are supplied:
1. Pipe work headers for ow/return and gas
•  DN65 or DN100 ow/return pipe work headers for 2 or 3 boilers with:
  • Flanges, M12/16 bolts, nuts, spring washers and gaskets
  • 35 mm blind covers for unused boiler connections
•  DN50 or DN65 gas pipe work headers for 2 or 3 boilers with: 
  • Flanges, M12 bolts, nuts, spring washers and gaskets
  • 1¼" blind covers for unused boiler connections
  • M6x8x16 close tolerance bolts for fastening gas pipeline 
•  Adjustable feet M8x35
2. Boiler connection set
•  Couplings and pipe branches
•  Isolation valves
•  Supply and drainage tap with T-piece;
3. Low velocity header
•  DN65 or DN100 Low velocity header with: 
  • Adjustable feet, bolts, nuts, spring washers and gaskets
  • Automatic air vent, sensor pocket for T10 and drain valve
4. Frame (if stand-alone)
•  Assembly frame (for 1 boiler in line or 2 boilers back to back)
•  I-column(s)
•  L-column(s) (for back- to- back positioning)
•  Adjustable feet, bolts, spring washers and nuts
5. Parts such as: Bus communication cable, insulation sets, common ow sensor T10, etc.










