Daikin EUWL KZW1 Series, Service Manual

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Piping Layout ESIE-0303
1–40 Part 1 – System Outline
3
1 1
4
5
Symbols The table below describes the symbols.
Components water
side The table below describes the main components of the refrigeration circuit on the water side.
Symbol Description Symbol Description
Y1S Liquid solenoid valve R5T Inlet water condenser
temperature sensor
Y2S Liquid solenoid valve Q1D Discharge temperature controller
M1C Compressor motor Q2D Discharge temperature controller
M2C Compressor motor Check valve
S1HP High-pressure switch Flare connection
S2HP High-pressure switch Screw connection
S4LP Low-pressure switch Flange connection
S5LP Low-pressure switch Pinched pipe
R3T Inlet water evaporator
temperature sensor Spinned pipe
R4T Freeze-up protection Field piping
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 Strainer This strainer prevents dirt particles from entering the water
circuit, the evaporator and the condenser.
d Flow switch The flow switch is used to check if there is flow.