Crown Boiler BWC151 Manual Do Utilizador

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D. Assembly of Crown 80/125mm Concentric Venting
(IMPORTANT - See Section C for 60/100mm Concentric Vent Assembly)
WARNING
Failure to follow the instructions could result in flue gas leakage into the combustion air or indoor air, 
resulting in unsafe or unreliable operation.
• Do not lubricate concentric gaskets with anything other than water. 
• Do not attempt to cut any piping except as permitted in this section. When cutting these sections, make sure      
   all cuts are square and allow for proper insertion.
• Do not attempt to try to mix this concentric pipe with other venting systems.  
1) When BWC070, BWC090, or BWC120 boilers are vented using 80/125 venting, the 60/100 terminal section 
and reducing elbow supplied with the boiler are not used. The components listed in Table 7.4b are required for 
80/125mm installations and are not supplied.
   
  The BWC151 is supplied with the following 80/125 components:
    
a) 
80/125 Standard Radius Elbow
  
  b) 
80/125 
Terminal 
Section
   Before starting assembly of an 80/125 vent system, make sure that the planned installation is in accordance with the 
“Vent System Design” Section of this manual and that all required 80/125mm vent components are on hand. Any 
components not supplied with the boiler are available through Crown distributors.
 
FIGURE 7.30a: CUTTABLE STRAIGHT SECTION
26
FIGURE 7.30b: NON CUTTABLE STRAIGHT SECTION