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4. MECHANICAL
INSTALLATION
Install the Module, as shown in Figure 3, on the side of
the boiler. The Module must be mounted vertically with
the conduit holes facing downward. The conduit holes
are sized to accommodate standard 1/2" conduit fittings.
If additional or larger conduit fittings are required, the
holes should be located on the bottom of the module. See
Figure 4.
Mount the Module with the supplied hardware in four (4)
places.
The minimum required service clearance is 18" (457 mm)
clearance from the front, and 6" (152 mm) clearance on all
other sides.
An electrical distribution sub-panel containing appropriate
disconnect switches and surge suppressor is required at
or near the equipment location(s).
Any wiring harnesses must be protected by appropriate
conduit.
Figure 4.
C-5 Module Enclosure and Mounting Bracket
Electrical Characteristics
The C-5 Module wires into the 24V control wiring of the
unit.
•
Power: 24VAC, 60 Hz
•
Power draw: 0.5 amp
Electrical Installation
Apply 24 VAC to Pins 1 and 3 of Terminal P1 to power the
Module.
6
MOUNTING
BRACKET
PC BOARD
PANEL
.06" (1.5 mm)
CONTROL BOX PANEL
UNCONTROLLED DOCUMENT IF PRINTED
APPROVED
NOTE: 18AWG stranded wire must be used for all
connections to the circuit board. Solid conductors
should not be used because solid wire conductors can
cause excessive tension on contact points.
5. CHECK YOUR POWER
SOURCE
Using a volt-ohm meter, check the following voltages at the
circuit breaker panel:
•
AC = 108 Volts AC Minimum, 132 Volts MAX
Hot to Ground (Black to Green)
•
AB = 108 Volts AC Minimum, 132 Volts MAX
Hot to Neutral (Black to White)
•
BC = Must be less than 1.0 Volts AC
Neutral to Ground (White to Green)
Figure 5.
Circuit Breaker Voltage Check
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