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Alliance SL
Installation, Operating & Service Instructions
• TPI Wiring will vary depending on the type of boiler and valve controls in the system. Consult
attached Wiring Diagrams for appropriate wiring configuration for your system.
• CAUTION: If sensor is soldered directly to TPI, DO NOT BLEND SHARPLY OR OVERWORK.
K. INSULATION INSTALLATION
• Place included fiberglass insulation between and around the water supply and boiler supply
connections. Attach lid using screws provided. Insulate hot water pipes with pipe insulation.
A. INSPECTING AND PREPARING THE WATER HEATER
• Remove the cardboard box, which comes packaged with the heater. It should contain the
following: TPI thermostat, T&P valve and a “Tee”, foamed lid and screws.
B. LOCATION
• Solid foundation and dry location.
• Protect heater water lines from freezing.
• Area free of flammable vapors.
• Sufficient room to service heater.
• Not in close proximity to wood burning stove.
• Where leak will not damage property.
C. PROTECTION FROM WATER DAMAGE
•
Be sure to make provisions to protect area from water damage if a leak should occur in the
tank or connected fittings.
D. RELIEF VALVE
•
Warning: Improper installation will present potential hazard to life and property.
• Check to be sure that proper relief valve requirements are met.
• T&P installed as shown in Figures 1 and 2.
• 3/4” discharge pipe – properly protected from freezing and restrictions.
• No valve between tank and relief valve or in drain line.
• Provision for hot water discharge from relief valve.
E. BOILER SUPPLY CONNECTIONS
• Return line (back to the boiler) connected to the “Hx Out” fitting.
• Supply line (from the boiler) connected to the “Hx In” fitting.
F. WATER SUPPLY CONNECTIONS (See Figure 1 & 2).
• Do not over tighten brass threads.
• Mark the water shutoff for future reference.
• Do not apply heat to cold inlet.
• If there is a check valve (sometimes in water meter), backflow preventer or pressure-reducing valve,
install an adequate size expansion tank.
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Installation Guidelines
(continued)
4
Installation Checklist
