Electrical Wiring; Thermostat Installation - ECR PENNCO KSC STEAM Installation, Operation And Maintenance Manual

Oil-fired cast iron boiler
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more than 20' from the boiler, a two stage fuel unit should
be installed in place of the single stage pump supplied as
standard equipment with the burner. Make certain the rota-
tion and speed are the same and the pump is suitable for
the burner horsepower rating.
An oil line filter and shut-off valve should be installed in the
TYPICAL INSTALLATION
SINGLE PIPE OIL SYSTEM
Electrical wiring must conform with the latest revisions of
the National Electrical Code, ANSI/NFPA No. 70, and/or lo-
cal authority having jurisdiction.
1.
When an external electrical source is utilized, the
boiler, when installed, MUST BE electrically grounded
in accordance with these requirements.
1.
Thermostat should be installed on an inside wall about
four feet above the floor.
2.
NEVER
install a thermostat on an outside wall.
3.
Do not install a thermostat where it will be affected by
drafts, hot or cold pipes, sunlight, lighting fixtures, tele-
vision, fireplaces, or chimneys.
4.
Check thermostat operation by raising and lowering
OIL TANK AND PIPING
Figure #12

ELECTRICAL WIRING

THERMOSTAT INSTALLATION

suction line. Shut-off valves should be installed in both the
suction and return lines at the burner for convenience in
servicing burner. Allow extra tubing at burner so burner may
be removed from boiler for cleaning without disconnecting
tubing. (Figures #12 - #13) An optional flexible oil line is
available.
TYPICAL INSTALLATION
TWO PIPE OIL SYSTEM
2.
Install a fused disconnect switch between boiler and
meter at a convenient location.
3.
When the boiler is equipped with self-energized
controls, no outside source of electric power shall be
connected to the circuit of this system. (See "Steam
Wiring" on next page.)
thermostat as required to start and stop the burner.
5.
Instructions for the final adjustment of the thermostat
are packaged with the thermostat (adjusting heating
anticipator, calibration, etc.).
9
Figure #13

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