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Tank Temperature Dial (Front Cover)
Located on the front cover of the buffer tank controller's cabinet is a dial designed for the end user to adjust the
system's comfort and efficiency levels during the heating season. The tank temperature can be controlled on
one of two ways – one with "outdoor reset" and one without (set point). When in the LO, MED, or HI
positions, the buffer tank controller utilizes "outdoor reset", or outdoor temperature data to optimize and
determine the water supply target temperature. See the graph below which shows how the outdoor reset
function works.
Alternately, when the dial is set to the "SET POINT" position, the controller ignores the "outdoor reset"
function and targets the following set points as dictated by the Warm Air Dial:
Set point position (default pos. 3)
0 – 85° F
1 – 90° F
2 – 95° F
3 – 100° F
4 – 105° F
5 – 110° F
NOTE: Due to a feature known as "Maintain Tank Target Less Than OT", the outdoor sensor must be
installed in all applications regardless of front dial setting.
Standby Switch
Located on the front of the Electro Industries Buffer Tank Controller is a two-position switch that can be used to
manually disable the system's heat pump and utilize the system's backup heat source only. When in the "up" or
STANDBY position, the heat pump will never be active for either heating or cooling purposes.
Enable/Disable Switch
Located on the front of the Electro Industries Buffer Tank Controller is a two-position switch that can be used to
turn the controller off, disabling the heat pump and buffer tank controller features. If the controller standby
switch is in the "up" position, the system's boiler or furnace will remain active even if the controller if disabled.
02/22/2012
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HI114
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