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Alliance SL
Installation, Operating & Service Instructions
• In both systems, the Alliance SL is controlled through the TPI thermostat on the heater.
(See Figures 1 & 2)
.
•
TPI thermostat calls for the heat when the temperature in the tank is below the set point (120°F) and
either activates a circulator or zone valve depending upon installation design.
• Run all 24 VAC wiring thru the square notch on bottom of TPI case.
(See TPI Diagram 3)
• Incoming 24 VAC power must be connected to 24 VAC connectors on the bottom right corner of TPI
control.
(See TPI Diagram 3)
• Connect control wiring to PUMP/TT normally open relay connections (rated for both 24V and 110V
wiring) on the bottom left corner of TPI control.
(See TPI Diagram 3)
• All and only 110 VAC wiring must go through an appropriate chase nipple installed in the knockout
at bottom of TPI case.
• Be certain to replace TPI cover using Black Screw provided.
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Installation Checklist
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, 2 and 3.
• 3/4 in. 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. WATER SUPPLY CONNECTIONS (See Figure 1, 2 & 3).
• Do not over tighten brass threads.
• Mark the water shutoff for future reference.
• Do not apply heat to cold inlet.
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Installation Guidelines
(continued)
