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Heat Pump Size Select the unit model (0930
or 1860).
Blower Type Select the blower type (None or
ECM Blower).
Loop Con g Selects the type of internal
ow device. None, VS Pump – variable speed
internal pump, or MOD Valve – internal
modulating water control valve.
Loop Pump (or Valve) Con g
Con gures the internal vFlow device to the
application.
Loop Option (if applicable) Con gures the
internal variable speed pump to operate in a
Single system (one unit, one loop) or a Parallel
system (multiple units, one common loop,
parallel pumping).
Heating Delta T Sets the source ow rate
for the heating mode. The vFlow device will
adjust the ow to maintain this temperature
di erence between the entering and leaving
water during the heating mode to this setting.
Valid range: 5.0°F to 12.0°F. Default is 6.0°F.
Cooling Delta T Sets the source ow rate
for the cooling mode. The vFlow device will
adjust the ow to maintain this temperature
di erence between the entering and leaving
water during the cooling mode to this setting.
Valid range: 9.0°F to 20.0°F. Default is 10.0°F.
Source Anti–Freeze (if applicable)
Con gures the low temperature protection
setting for the source water heat exchanger.
Select Yes for systems with anti–freeze (10°F
evaporator temperature setting) or No for
systems without anti–freeze (30°F evaporator
temperature setting).
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