Unit installation
User, Installation and Service Manual for F1 Gas Unit Heaters  15
Ed. 05/2009 
Figure 12 
WALL TERMINAL POSITION 
Note: If the total length of the flue system exceeds 8 metres, it is advisable to contact the Authorised 
Engineer or Manufacturer. 
1 = FLUE 
2 = AIR SUPPLY
RECOMMENDED 
2 
1 
ALLOWED 
2 
1 
FORBIDDEN 
2 
1 










