Placing The Heating System In Operation - Buderus Logano US GC 144 II Installation And Service Instructions Manual

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Placing the heating system in operation

fastened to prevent it from hanging. A support must be installed at least
every five feet. Fasten every connection with at least three (3) corrosion-
resistance sheet metal screws.The end section of the flue pipe must
connect to the inside of the chimney smoke duct.
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Fig. 16 Installation of vent damper
[1] Open draft hood
[2] Vent connection
[3] Vent damper
[4] Damper blade position indicator
[5] Vent damper motor
[6] Flue gas collector
[7] Boiler
A minimum clearance of six inches is required between the flue pipes
and all flammable materials.
The vent pipe must not be reduced in size and the venting system must
not be compromised by the installation of additional appliances.
Electrically connecting the vent damper
▶ Disconnect your heating system from the main electricity supply.
▶ Route the connection wiring of the vent damper along the left side of
the boiler into the opening on the left side of the boiler. Secure strain
relief at the furnished knock-out.
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Fig. 17 Routing of vent damper wiring
[1] Vent damper wiring
[2] Vent damper wiring strain relief
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▶ Connect vent damper plug into the terminal bar as shown in the
circuit diagram.
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Fig. 18 Connecting vent damper wiring
[1]
[2]
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The burner and gas train integrated in the boiler have been tested at the
factory as described in ANSI Z 21.13 to ensure safe operation of the
heating system and verify specific performance indicators.
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Preparing for operation
▶ Set the room thermostat (optional) to the lowest setting.
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All connection points on the complete venting system
must be checked for correct installation and sealing
immediately after carrying out one of the installation
steps. The seams and connections must be checked for
gas leaks. Regulations require the complete venting
system to be checked at least once a year by a qualified
technician after installation and initial operation.
Boiler temperature controller
Vent damper connection plug
Placing the heating system in operation
WARNING: Risk to life due to electric shock when the
cover protecting the electric components has been
removed.
Before removing the cover to the electric components:
▶ Cut power to the heating system by turning the
emergency shut-off switch to the OFF position, or by
shutting off the heating system circuit breaker.
▶ Take precautions to prevent accidental reactivation.
WARNING: Risk to life from gas poisoning.
Insufficient ventilation can lead to leaking of flue gases.
▶ Verify that all combustion air and all flue gas
openings are wide open and not obstructed.
▶ The boiler must not be placed in operation unless all
deficiencies have been removed.
▶ Inform the owner and operator of the heating system
of any deficiencies in writing.
Logano GC 144 II – 6 720 808 893 (2017/02)
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