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A. GENERAL
1. Install wiring and electrically ground boiler in
accordance with requirements of the authority
having jurisdiction, or in absence of such
requirements the National Electrical Code, ANSI/
NFPA 70, and/or the CSA C22.1 Electric Code.
2. Refer to National Electric Code or Local Electric
Codes for proper size and type of wire required.
Follow Code.
3. A separate electrical circuit must be run from
the main electrical service with an over-current
device/disconnect in the circuit. A service switch is
recommended and may be required by some local
jurisdictions.
4. Use anti-short bushings on all wiring passing
through boiler jacket, junction boxes and/or control
boxes.
5. Use armored cable (BX) over all exposed line
voltage wiring.
6. If an Alliance™ indirect water heater is used, use
priority zoning. Do not use priority zoning for
Hydro-Air Systems.
SECTION VIII: ELECTRICAL
7. If boiler is installed in Canada, a blocked vent safety
switch must be installed. Refer to Blocked Vent
Safety Switch Instruction Supplement provided with
boiler (Canada only).
8. Wiring should conform to Figures 19 through 23F.
B. INSTALL A ROOM THERMOSTAT on an
inside wall about four feet above fl oor. Never install
thermostat on an outside wall or where it will be
infl uenced by drafts, hot or cold water pipes, lighting
fi xtures, television, rays of the sun or near a fi replace.
Keep large furniture away from thermostat so there will
be free movement of room air around this control.
Heat Anticipator in Thermostat should be set to match
the requirements of the control to which it is connected.
See Figures 19 thru 23F for desired system and heat
anticipator setting. If system tends to overheat above
the thermostat's temperature setting, reduce heat
anticipator setting by .1 or .2 amps. If system tends to
short cycle without reaching desired room temperature,
increase heat anticipator setting by .1 or .2 amps.
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