Lanair MXB360 - Manual (Page 10)

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Section 4 - Chimney or Vent System
Figure 3
8" Class "A" Chimney
Capped
Clean-out
Tee
NOTE: Horizontal pipe
must have a 1/4" rise
per foot of length
NOTE: Chimney
adapter is included.
P/N 4799
NOTE: Class "A" components require a 2" clearance from com-
bustible materials. All other chimney components require a
minimum 18" clearance from combustible materials
Class "A" Chimney Cap
3' taller than any
objects within 10'
Barometric Damper
(24"-36" from boiler)
15' Typical
Failure to provide proper venting of the boiler
exhaust gases could result in death, serious
injury, and/or property damage. FOLLOW
CHIMNEY MANUFACTURERS INSTRUCTIONS.
!
General Requirements
1. Chimney MUST be a 8” Class "A" chimney. Do Not Use chimney smaller than 8”.
2. INSTALLATION MUST BE DONE BY A LICENSED HVAC/HYDRONIC CONTRACTOR FAMILIAR WITH ALL STATE
AND LOCAL CODES. Safe operation of any gravity vented heating appliance requires a proper air make-up system
to prevent the heater exhaust gases from being drawn into the building. These gases could cause death, serious
injury, and/or property damage. Exhaust fans, paint booths may cause draft problems.
3. Never vent this boiler into another heating appliances chimney. Never vent into ‘Class B” chimney. Gas boilers use
“Class B” chimney, it is rated for a much lower temperature than is required for your waste oil boiler. This
boiler must have its own separate “Class A” chimney.
4. Inspect and maintain the chimney on an annual basis.
5. Install a U.L. listed barometric damper in the chimney. Do not reduce or enlarge the vent pipe.
6. Position the draft control as shown. Chimney angle gate pins must be horizontal for proper operation.
7. Keep the barometric draft control at least 24” from the boiler.
NOTE: Barometric
Damper may be mount-
ed horizontally or verti-
cally. Angle gate pins
must be horizontal for
proper operation
HORIZONTAL
VERTICAL