FireBird HEAT PAC 120/150, Installation Servicing & Operating Instructions, Page: 12 / 56

4-B: Balanced Flue System
IMPORTANT: THE INSTALLER MUST EXAMINE THIS
ILLUSTRATION CAREFULLY BEFORE PROCEEDING WITH
INSTALLATION.
ENSURE UNRESTRICTED AIR-SUPPLY TO BOILER ROOM . No further
adjustments are required for adequate combustion-air supply. Check burner
operation when installation is completed, use burner
Combustion Analyser
to ensure correct performance.
Consult separate burner manual supplied with boiler.
4
FLUE SYSTEMS
10
Locating points
for fixing air box
to flue pipe
Apply high temperature sealant
to the inside of flue coller.
Push the flue adaptor
in to flue coller
Apply high temperature sealant
to the O ring on the inner flue pipe
to insure a positive seal.
Push the flue pipe through
the 125mm hole in the wall.
Secure the flue adaptor to
the Boiler.
IMPORTANT:
A 50mm - (2inch) gap
must be left between
cone cowl and wall.
Ensure Combustion air
pipe protrudes beyond the
outer surface of the wall.
M8 x 130mm Bolt
M8 Fiber Washer
Ceramic Gasket Seal
M8 Washer
GA
S
GA
S
GA
S
GA
S
GA
S
GA
S
GA
S
GAS
GAS
GAS
GAS
GAS
GAS
GAS
GAS
GA
S
High level Balanced Flue,
Right Hand Outlet,
Left Hand Outlet,
Rear Outlet and Top Outlet.
Balanced Flue,
Right Hand Outlet,
Left Hand Outlet
and Rear Outlet.
• The Firebird low level concentric flue kit has been specifically designed
for Firebird’s indoor boilers. The use of third party low level flue kits
is not recommended and may affect its warranty.