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Fig.2: 80 or 90 BAR PS RATING
COLDROOM EVAPORATORS
LOW PRESSURE SIDE: All Field and Evaporator Pipework, Expansion Valves, Evaporators, Line
Components etc. MUST have a MINIMUM PS rating:
EVAPORATOR
MODEL
HCU2020PXB1
HCU2040PXB1
90 Bar(g)
GCU2020PXB1
GCU2040PXB1
HCU4070PXB1
HCU5140PXB1
80 Bar(g)
GCU4070PXB1
GCU5140PXB1
HIGH PRESSURE SIDE: All Field and Evaporator Pipework, Valves, etc. MUST have a MINIMUM PS
rating:
LIQUID
MODEL
HCU2020PXB1
HCU2040PXB1
90 Bar(g)
GCU2020PXB1
GCU2040PXB1
HCU4070PXB1
HCU5140PXB1
80 Bar(g)
GCU4070PXB1
GCU5140PXB1
LIQUID LINE PRE-INSTALLED TAILS & EXPANSION
If the evaporator is supplied with pipework tails to connect the field pipework to the
Refrigerated Display Cabinet (i.e. the tails are installed from the ball valve connection on the
top or underside of the display cabinets). The length of liquid line pipework between the
connection point and the inlet of the expansion device MUST be the correct pressure rating.
Copyright HPL March 2021
ALL EVAPORATORS (Coldroom or Display Cabinet Evaporators)
SUCTION
COIL
LINE
90 Bar(g)
80 Bar(g)
EXPANSION
LINE*
VALVE
90 Bar(g)
80 Bar(g)
DISPLAY SHOWCASE EVAPORATORS
SUCTION LINE
SUCTION PRV
COMPONENTS
REQUIRED?
90 Bar(g)
NO
80 Bar(g)
NO
LIQUID LINE
SUCTION PRV
COMPONENTS
REQUIRED?
90 Bar(g)
NO
80 Bar(g)
NO
VALVES*
Page 172 of 172
SUCTION
PRESSURE
RATING
90 Bar(g)
80 Bar(g)
SUCTION
PRESSURE
RATING
90 Bar(g)
80 Bar(g)
P4114S Rev 03
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