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EXM Settings
– Cooling–HW Cut Out Determines the
point at which the space cooling demand
outpaces the ability of the potable water
heating mode to accept the heat of
rejection from the cooling mode, when
both are active at the same time. At this
setting and above the heat of rejection
from the cooling mode will be sent to the
source (ground loop). Valid range: 70% to
100%. Default is 100%.
– Cooling–HW Cut Out O set This setting
establishes the maximum acceptable space
temperature rise during the cooling mode
while the heat from the space is being
rejected into the potable hot water. If the
space temperature rises more than this
amount, the potable water heating mode
will be terminated and the cooling mode
will reject the heat from the space to the
source (ground loop). Valid range: 0.5°F to
1.5°F. Default is 0.5°F.
– Heating–HW Cut Out Potable water
heating normally takes priority over space
heating. This setting determines the
point at which the space heating demand
will take priority over the potable water
heating demand. Valid range: 70% to
100%. Default is 90%.
– Heating–HW Cut Out O set This setting
establishes the maximum acceptable space
temperature drop during the potable
hot water mode before the unit switches
to the space heating mode. If the space
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