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Use External Pump
This function can be set to control the external water pump.
• In the installer setting list, select Use External Pump category, and press [OK] button to move
to the detail screen.
• Heating/Cooling
You can use this feature when you have installed a 3 Way valve to switch the water flow
between the underfloor and the water tank. The external pump operates only in the direction of
water flow in the underfloor.
• Circuit1
This function controls the external pump when operating the mixing circuit. The external pump
should be controlled according to Th/on and Th/off in Circuit1(Direct circuit). Therefore, when
using the mixing circuit, be sure to set the external pump to 'Circuit1'.
Not use (Default)
Value
Use
Heat & Cool
INSTALLER SETTING
Circuit1
203
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