Install Instructions

15
Figure 11: Plug-in Damper Installation
1. The vent damper must be the same size as the outlet
of the Draft Hood supplied with the boiler (see
Figure 1). Unpack the damper carefully - DO NOT
FORCE IT CLOSED! Forcing the damper may
damage the gear train and void the warranty.
2. Mount the vent damper assembly after the draft
hood, as close to the draft hood as practicable
without modication to the draft hood or vent
damper. (Refer to Figure 11 and to instructions
packed with the vent damper for specic
instructions). This is a must for the wiring harness to
t and the damper position indicator to be visible to
the users.
NOTICE
Provide adequate clearance for servicing.
WARNING
Provide 6" (15.2cm) minimum clearance between
damper and combustible construction.
3. Plug the factory harness vent damper connector into
damper motor polarized receptacle and secure the
harness to the damper motor bracket with provided
strain relief bushing.
DANGER
Inspect existing chimney before installing boiler.
Failure to clean or replace perforated pipe or tile
lining will cause severe injury or death.
D. INSTALL VENT CONNECTOR
1. Size 202 only - Install provided 4" x 3" vent reducer
into vent damper outlet, then, install vent connector
from reducer outlet to chimney.
2. All other sizes - Install vent connector from vent
damper outlet to chimney.
3. Install vent system in accordance with local building
codes; or local authority having jurisdiction; or
"Venting of Equipment", of the National Fuel Gas
Code, ANSI Z223.1/NFPA 54, or "Venting Systems
and Air Supply for Appliances", of the Natural Gas
and Propane Installation Code, CAN/CSA B149.1.
Install any of the following for this Series 2 Category I,
draft hood equipped appliance:
a. Type B or Type L gas vent. Install in accordance
with listing and manufacturer's instructions.
b. Masonry or metal chimney. Build and install in
accordance with local building codes; or local
authority having jurisdiction; or Standard for
Chimneys, Fireplaces, Vents, and Solid Fuel
Burning Appliances, ANSI/NFPA 211 and/or
National Building Code of Canada.
Masonry chimney must be lined with approved
clay ue lining or listed chimney lining system.
c. Single wall metal vent. Allowed by ANSI
Z223.1/NFPA 54 under very restrictive
conditions.
d. Do not use cellular core PVC (ASTM F891),
cellular core CPVC, or Radel
®
(polyphenolsulfone).
e. Do not cover non-metallic vent pipe and ttings
with thermal insulation. Note: Non-metallic
vent cannot be used with this boiler.
V. VENTING (continued)