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All electrical work must conform to local codes as well as the
National Electrical Code, ANSI/NFPA-70, latest revision. In
Canada, electrical wiring shall comply with the Canadian Elec-
trical Codes, CSA-C22.1 and.2.
ELECTRIC POWER SUPPLY
Run a separate 120 Volt circuit from a separate overcurrent
protective device in the electrical service entrance panel.
This should be a 15 ampere circuit. Locate a shut-off switch
at the boiler. It must be turned off during any maintenance.
Connect 120 Volt power supply to aquastat terminals L1
(HOT) and L2.
The boiler, when installed, must be electrically grounded in
accordance with the requirements of the authority having ju-
risdiction or, in the absence of such requirements, with the
National Electrical Code, ANSI/NFPA No. 70-latest revision.
Run a 14 gauge or heavier copper wire from the boiler to a
grounded connection in the service panel or a properly driven
and electrically grounded ground rod.
WARNING
Turn off electric power at fuse box before making any line
voltage connections. Follow local electrical codes.
INSTALL YOUR THERMOSTAT
The thermostat location has an important effect on the operation
of your boiler system. BE SURE TO FOLLOW THE
INSTRUCTIONS INCLUDED WITH YOUR THERMOSTAT.
Locate the thermostat about five feet above the floor on an
inside wall. It may be mounted directly on the wall or on
Electrical Wiring
a vertically mounted outlet box. It should be sensing average
room temperature, so avoid the following:
DEAD SPOTS:
Behind doors
Corners and alcoves
HOT SPOTS:
Concealed pipes
Fireplace
TV sets
Radios
Lamps
Direct sunlight
Kitchens
COLD SPOTS:
Concealed pipes or ducts
Stairwells - drafts
Doors – drafts
Unheated rooms on other side of wall
Set heat anticipator at .2 amps. 24 Volt thermostat connects
to aquastat terminals T and TV.
VENT DAMPER WIRING
The boiler is equipped with a factory wired harness with 4 pin
molex plug, that plugs into a 4 pin molex receptacle inside the
vent damper operator.
The vent damper must be connected for the boiler to
operate.
Wiring diagrams follow for the various different models.
Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and dangerous
operation. Verify proper operation after servicing.
The pump does not come pre-installed on the boiler. It must
be connected to the circulator harness in the field according to
the pump manufacturer's instructions and the wiring diagrams
in this manual.
11
CAUTION
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