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Maximum pump speed setting on remote control
Standard pump speed is automatically controlled to get the designed water temperature different between water
inlet and outlet (ΔT). Instead of setting the standard pump speed, maximum pump speed is manually adjusted by
the installer according to water circuit pressure drop.
However, the following sequences do not follow maximum pump duty setting by remote control.
Pump down mode
Air purge mode
Normal deice
1) P-Q graph for different pump HEX duty
12.2.2 Zone Water Pump Control
Purpose:
Water pump install at each zone to circulate the water inside each zone during buffer tank connection selected
“YES” or 2 zone systems.
Content:
AC type water pump install for this zone water pump control. When optional PCB connected, 230V output will
drive this zone pump.
There are three pump can be connected through Optional PCB. (Zone 1 Pump, Zone 2 Pump, & Pool Pump)
* Zone 1 pump [P1] use to circulate zone 1 water circuit & Zone 1 mixing valve [M1] adjust to control the Zone 1
target water temperature.
* Zone 2 pump [P2] use to circulate zone 2 water circuit & Zone 2 mixing valve [M2] adjust to control the Zone 2
target water temperature.
* When Pool Function select as Zone 2 circuit, [P2] use to circulate water to heat exchanger which use to transfer
heat to pool water.
* Pool pump [P3] circulates the pool water through the heat exchanger to get warm water.
