Daikin EUWAC10FZW Сервис мануал онлайн [94/264] 524372

Daikin EUWAC5FZW Сервис мануал онлайн [94/264] 524370
ESIE-0302 Piping Layout
Part 1 – System Outline 1–85
3
1
4
5
Components water
side
The table below describes the main components of the refrigeration circuit on the water side.
No. Component Function / remark
a Shut-off valve Makes it possible to shut-off a part of the water
piping for maintenance (e.g. to change a filter).
b Air purge To purge the water circuit, to prevent air from
entering the water circuit.
c Service port The service port is used to connect a pressure
gauge.
d Water tempera-
ture sensor
The water temperature sensors are used to control
the thermostat function at the heat exchanger inlet.
e Freeze-up sensor This protection device shuts down the circuit when
the temperature of the chilled water becomes too
low in order to prevent the water from freezing
during operation.
f Strainer This strainer prevents dirt particles from entering
the water circuit.
g Flow switch The flow switch is used to check if there is flow.
h Drain valve The drain valve is used to drain water from the
circuit.
i Expansion vessel The expansion vessel deals with water expansion,
which occurs when the temperature of the water
varies.
j Pump The pump circulates the water.
k Pressure gauge Standard is the pressure gauge fitted to the unit.
l Buffer tank This buffer tank of 55 l is used to store chilled water
to prevent the compressor from switching ON/OFF
continuously depending on the load.
m Pressure regula-
tion valve
The pressure regulation valve is used to regulate
the pressure of the water side.
EUWAB5-24KZW1
EUWAP5-24KZW1
EUWAN5-24KZW1

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