Daikin EUWL KZW1 Series Service Manual page 42

Piping Layout
1 1
Symbols
3
4
Components water
side
5
1–34
The table below describes the symbols.
Symbol Description
M1-2C Compressor motor
S1HP High-pressure switch
S2HP High-pressure switch
S4LP Low-pressure switch
S5LP Low-pressure switch
R3T Inlet water evaporator
temperature sensor
R4T Freeze-up protection
R5T Inlet water condenser
temperature sensor
Q1D Discharge temperature controller
Q2D Discharge temperature controller
The table below describes the main components of the refrigeration circuit on the water side.
No. Component
a Shut off valve
b Air purge
c Strainer
d Flow switch
Symbol
Function / remark
Makes it possible to shut off a part of the water
piping for maintenance (e.g. to change a filter).
To purge the water circuit, to prevent air from
entering the water circuit.
This strainer prevents dirt particles from entering the water
circuit, the evaporator and the condenser.
The flow switch is used to check if there is flow.
ESIE-0303
Description
Check valve
Flare connection
Screw connection
Flange connection
Pinched pipe
Spinned pipe
Field piping
Part 1 – System Outline