Velocity K2WTC-135, Инструкция по установке, эксплуатации и обслуживанию

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VII. Venting
F. Assy of DuraVent PolyPro & G. Selkirk Polyflue Vent Systems (continued)
8. Installations using PolyPro-flex (Vent Options 9 & 15):
Refer to DuraVent PolyPro flex Instructions for assembly of all flex components including the chimney cap and
the adaptor to rigid PolyPro at the base of the masonry or B vent chimney. In addition, observe the following
requirements:
a. Refer to the appropriate Vent option in Tables 7.13b or 7.21 for a list of the principle flex components
required. Rigid vent pipe by the same manufacturer will also be required for the run from the boiler to the
base of chimney.
b. Masonry chimneys cannot be used for an air chase
c. B vent chimneys can only be used for an air chase (Vent option 9) if the B vent has the minimum size shown
in Table 7.13b and is fully accessible for sealing of all joints and seams.
d. When Vent Option 9 is used, install a Tee on the base of the B-vent that is the same size as the B- Vent
chimney. Install the PolyPro Lower B–Vent adaptor in the base of this Tee as described in the DuraVent
PolyPro Flex instructions.
Connection of the PVC air intake pipe to the side outlet of the tee is made using a cap and a PVC socket
x male thread adaptor. Cut a clearance hole in the cap for the male threads. Secure the adaptor to the cap
using a 3” electrical conduit lock nut. Seal all joints with RTV.
G. Assembly of Selkirk Polyflue Vent Systems
1. This boiler has been approved for use with the Selkirk Polyflue single wall Polypropylene vent system to be
provided by the installer.
2. Assemble the vent system, starting at the boiler:
a. The vent adaptor has three different inside diameters. The middle inside diameter accepts 3” nominal Polyflue
(Figure 7.27). A locking band clamp in the adaptor prevents the vent pipe from coming out of the adaptor
once it is installed and tightened. Lubricate the gaskets in the vent adaptor with mild soapy water and insert
the first piece of 3” Polyflue into the adaptor until it bottoms out. Tighten locking band clamp to secure vent
pipe.
b. Assemble the next piece of 3” Polyflue.
c. For each joint, verify that the gasket is evenly seated in the bell (female) end of the pipe. Lubricate this gasket
with mild soapy water. Slide a Pipe Locking Band over the male end of the pipe to be joined as shown in
Figure 7.41. Push the male end of the next section of pipe into the bell until it bottoms out, then back out 1/8—
1/4” to provide room for thermal expansion. Slide pipe locking band over the female end of the connections
and tighten both hose clamps.
d. Assemble the rest of the vent system per the manufacturer’s installation instructions, being sure to pitch
horizontal sections back towards the boiler 5/8” per ft.
WARNING Asphyxiation Hazard. When using PolyPro flex, observe the following precautions:
• PolyPro flex may be damaged by handling at low temperatures. Do not bend, uncoil, or attempt to install
if it has been stored at a temperature below 42°F without allowing it to warm to a higher temperature
first.
• Do not bend PolyPro flex more than 45°.
• Instructions below reference the DuraVent PolyPro Flex instruction manual. Not all vent
configurations shown in the DuraVent manual are approved for use with this boiler.