Technical information

Cooling operation and hydraulic diagram YLCA 50-80 (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
Condensing pressure trans‐
ducer
3 Filter dryer 15 Drain valve
E
Water outlet temp. sensor (An‐
tifreeze and display)
4 Sight glass 16
Water filter (not inside the
unit)
F
Water inlet temp. sensor (Set‐
ting and display)
5 Expansion valve 17 Safety valve
6 Plate heat exchanger 18 Pressure gauge
7
Heat exchanger antifreeze heat‐
er
19 Flow switch
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
1 Technical Information
1.10 Cooling operation and hydraulic diagrams
40