Installing Into An Existing Firebox Chimney; Short Rise Installation - Wall Outlet - Piazzetta P960 Instructions For Installation, Use And Maintenance Manual

1.10 INSTALLING INTO AN ExISTING FIREbOx ChIMNEy

This kind of installation also provides natural draft in the event of a
power failure.
When installing as a hearth mount stove into a firebox the unit must
either be relined, terminating above the chimney chase top, or positively
connected to the existing chimney system using a block off plate (Fig.
15-16).
An approved flex liner of PL vent must be used.
Put attention: some areas require that a liner must be always installed
to the top of the flue, as shown in figure 16.
a
A chimney system with known drafting problems may require
a liner, which may also need to be insulated to keep vent
system warm in cold chimney environment.
a
A cap shall be installed on the chimney to keep out rain.
a
Strictly observe the PL Vent manufacturer's safety
specifications.
a
INSTALL VENT AT CLEARANCES SPECIFIED BY THE VENT
MANUFACTURER.
a
Strictly use listed pellet vent pipe fittings.
a
Ensure that all installation work is carried out to professional
standards.
1.11 ShORT RISE INSTALLATION – wALL OUTLET
When terminating the exhaust system under the houses eaves, (Fig. 17)
the following requirements shall be fulfilled:
- in selecting locations for appliance and vent, take into consideration
the NPFA 211 6-3.5 rule for distance of exit terminal from window
and openings;
- run the vent vertically up the wall, ensuring to maintain a minimum of
3" clearance between the wall and vent;
- a wall band must be installed just above the tee and at least every 6'
of vent rise or, if the rise is inferior, at the end of the vertical run;
- after a rise of at least 5' (1,5 m), install a 90° elbow aimed out from
the building wall;
- attach a 45° elbow to the 90° elbow, aiming the second elbow down
toward the ground. Terminate the vent with a collar with screen
fastened to the 45° elbow;
- the end of the vent pipe system must be at least twelve inches (12")
from the wall and 24" below the eave.
Fig. 15
Fig. 16
Fig. 17
H07028100/DT2000970 – 01
POSITIVE
BLOCK OFF PLATE
TEE
RAIN CAP
CHIMNEY FLASHING
PL VENT SYSTEM
POSITIVE
BLOCK OFF PLATE
TEE
TERMINATION
COLLAR
>12"
90° ELBOW
WALL BAND
45°
ELBOW
VENT
TEE
DT2010232-02
DT2033039-00
DT2033040-00
DT2010232-02
> 24"
>5'
DT2033041-00
11