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Part Number 550-110-032/0607
Standing Pilot Boilers — Control Supplement
Damper installation continued
4. Read and apply the harness plug warning label
(shown above) so that it is visible after installa-
tion.
5. Plug damper harness receptacle into damper harness
plug.
Bypassing (jumpering) vent damper will
cause flue products such as carbon mon-
oxide to escape into the house. This will
cause severe personal injury or death.
After boiler has operated once, if either
end of the harness is disconnected, the
system safety shutdown will occur. The
boiler will not operate until harness is
reconnected.
Effikal damper — Damper hold open
switch must be in “Automatic Operation”
position for system to operate properly.
Minimum clearances to
combustibles
Provide a minimum of 6” between the vent damper
and any combustible material. (Provide a minimum of
46” between jacket top and combustible ceiling.) See
EG • PEG • EGH Boiler manual for complete clearance
requirements.
Installation
Do not modify draft hood or damper, or
make another connection between draft
hood and damper or boiler except as not-
ed below. This will void CSA certification
and will not be covered by Weil-McLain
warranty. Any changes will cause severe
personal injury, death, or substantial
property damage.
1. Install vent damper horizontally or vertically as
shown in vent damper manufacturer’s instructions.
Vent damper must be installed so that it serves only
one boiler and so damper blade indicator is visible
to the user. See Figure 8.
2. Screws or rivets used to secure the vent damper to
the draft hood must not interfere with rotation of
the damper blade.
3. Install damper harness between damper actuator
and knockout in jacket top panel. Use strain relief
connectors and locknuts to secure both ends of the
damper harness.
Keep wiring harness clear of all hot sur-
faces.