106636-04 - 8/22
10
X-2
Installation, Operating & Service Manual
E. Do not connect boiler into a chimney flue
servicing an open fireplace or other solid fuel
appliance.
F. Prior to boiler installation, inspect chimney
for obstructions or other defects and correct
as required. Clean chimney as necessary.
G. The vertical section of vent pipe coming off
boiler should be as tall as possible, while
still maintaining the proper clearance from
horizontal vent connector to combustibles.
H. Vent pipe should slope upward from draft
hood not less than one inch in four feet. No
portion of vent pipe should run downward or
have sags. Vent pipe must be securely
supported.
I. Vent pipe should be installed above bottom of
chimney to prevent blockage.
J. Vent pipe must be inserted flush with inside
face of chimney liner and the space between
vent pipe and chimney sealed tight.
K. Do not install vent damper in any portion of
vent system which is used by appliances
other than the boiler being installed.
6
Venting
(continued)
Figure 6-1: Vent Damper Installation
Figure 6-2: Vent Damper Position Indicator
A. Vent damper must be same size as outlet
of vent supplied with boiler (see Table 3-2).
Unpack damper carefully - DO NOT FORCE IT
CLOSED! Forcing damper may damage motor
and is not covered by warranty.
Insert pilot vent plug into gate and fold over
tabs.
B. Mount the vent damper assembly onto diverter.
See damper manufacturer instructions for more
information. Do not modify either diverter or
vent damper. See Figure 6-1.
NOTICE:
Provide adequate access for
servicing.
C. Locate vent damper position indicator to be
visible following installation. See Figure 6-2.
D. Plug vent damper connector into damper
motor polarized receptacle.
2. Install vent piping.
A.
See Figure 3-4 for vent sizes and locations.
See Figure 4-2 for clearances.
B.
Install vent piping from vent damper outlet
to chimney. See Figure 6-3 for typical vent
installation.
CAUTION
Do not use one vent damper to control more
than one heating appliance.
!
Install Vent Piping
1. Install vent damper.
OPEN VENT DAMPER CARTON and remove
Installation Instructions. READ INSTALLATION
INSTRUCTIONS THOROUGHLY before
proceeding.
