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Low Voltage Connectors & Auxiliary Controls
The Boost Heat Option increases the Zoneline
air temperature by adding electric heat to
supplement the heat pump. It automatically
turns on when the outside temperature is
between 25 ° F and 45 ° F.
To set the Boost Heat Option, move switch #8 to
the UP (on) position.
If the Zoneline is controlled by a wall thermostat
and Boost switch #8 is set to the UP (on)
position, only electric heat is available when the
outdoor temperature is below 45 ° F.
The Boost Heat Option is more expensive than
heating with the heat pump only.
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Auxiliary controls
The Electric Heat Option increases the Zoneline
air temperature by using electric heat only. The
heat pump is not used to produce aW heat.
If you want warmer air fiom the Zoneline and
the Boost Heat Option is not warm enough,
this option will provide the hottest air available.
To set the Electric Heat Option, move switch #7
to the UP (on) position.
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Auxiliary controls
Using the Electric Heat Option is much more
expensive than heating with the heat pump only.
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