Electrical; Recommendations For Thimble And Wall Penetration - Burnham 20_PV_I Installation, Operating And Service Instructions

VI. Electrical
A.
General. Install wiring and ground boiler in
accordance with requirements of authority having
jurisdiction, or in absence of such requirements the
National Electrical Code, ANSI/NFPA 70, and/or the
CSA C22.1 Electric Code.
B.
Install thermostat. Locate on inside wall approximately
4 feet above floor. Do not install on outside wall, near
fireplace, or where influenced by drafts or restricted air
flow, hot or cold water pipes, lighting fixtures,
television, or sunlight. Allow free air movement by
avoiding placement of furniture near thermostat.
C.
Wire thermostat. Provide Class II circuit between
thermostat and boiler. Run wires through grommet in
Jacket Left Side Panel. Set thermostat heat anticipator
to 0.6 amps. See Figure 10.
D.
Wire boiler. Boiler is rated for 120 VAC, 60 hertz, less
than 12 amperes. Provide individual branch circuit with
fused disconnect. Connect to black and white wires and
green ground screw. See Figure 10.
E.
Alliance water heater (if used). See Figure 10. Also refer
to Alliance Installation, Operating and Service
Figure 9: Recommendations for Thimble and Wall Penetration
Instructions.
1. Zoning with Circulators, Domestic Hot Water
Priority. Provide DPDT relay (included with PAL).
Connect coil to Alliance thermostat (prewired with
PAL). Connect normally open contacts (red and
white wires in PAL control harness) to transformer
terminals 'R' and 'Y'. Disconnect yellow circulator
wire. Connect normally closed contacts (violet
wires in PAL boiler harness) to yellow relay wire
and yellow circulator wire.
2. Zoning with Circulators, Nonpriority. Connect
Alliance circulator zone control (or red and white
wires in PAL control harness) to transformer
terminals 'R' and 'Y'.
3. Zoning with Zone Valves. Connect Alliance
thermostat to zone valve. Connect zone valve end
switch to relay terminals 'R' and 'G'. See Paragraph
F.
F.
For installations using zone valves provide separate
transformer for zone valve wiring. Consult zone valve
manufacturer for assistance.
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