Technical information

Cooling operation and hydraulic diagram YLCA 100, 120 and 150 (cool only)
Safety/Control devices Components
A High-pressure switch 1 Tandem compressor 13 Water tank
B Low-pressure switch 2 Air-cooled condenser 14 Charge valve
C
Pressure transducer port. (Fan
speed setting ‑ condensing
pressure display)
3 Filter dryer 15 Drain valve
D
Water outlet temp. sensor (An‐
tifreeze and display)
4 Sight glass 16
Water filter (not inside the
unit)
E
Water inlet temp. sensor (Set‐
ting and display)
5 Expansion valve 17 Flow switch
6 Plate heat exchanger 18 Safety valve
7
Heat exchanger antifreeze heat‐
er
19 Pressure gauge
8 Globe valve →
Pipe connection with
"Schrader" valve
9 Water pump - ‑ ‑ For units with hydro kit only
10 Automatic air bleed a Water inlet
11 Water tank antifreeze heater b Water outlet
12 Expansion vessel c Circuit 1
d Circuit 2
Technical Information 1
Cooling operation and hydraulic diagrams 1.10
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