Kaisai R290 Series, Installation Manual

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7
4. 2 . Models:
KHX-16PY3
5. Installation Diagram
KAISAI
monoblock heat pumps can provide heating/cooling and domestic
hot water. Floor heating loops and fan coil units are used for space heating
and fan coil units are used for space cooling. Domestic hot water is supplied
from the domestic hot water tank connected to the heat pump.
5.1 Traditional Installation
KAISAI
provides the monoblock heat pump with a main circulation pump
built inside. When install the unit, installers should connect the heat pump
with other parts including the buffer tank (for space heating/cooling), storage
water tank (for domestic hot water) and water pumps (for space
heating/cooling water circulation and domestic hot water). External fittings
are also needed including a safety valve, a water charge valve, hot water
valves (three-way valve). Temperature sensor should be added in the
storage water tank. An additional electric heater can be installed in the DHW
tank or the buffer tank which can get the control signal from the heat pump.