Daikin HUBBARD HCU2040PXB1 Installation, Commissioning And Maintenance Manual page 168

Fig.1: 60 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
COIL
HCU2020PXB1
HCU2040PXB1
60 Bar(g)
GCU2020PXB1
GCU2040PXB1
HCU4070PXB1
HCU5140PXB1
60 Bar(g)
GCU4070PXB1
GCU5140PXB1
HIGH PRESSURE SIDE: All Field and Evaporator Pipework, Valves, etc. MUST have a MINIMUM PS
rating:
LIQUID
MODEL
LINE*
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 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 SUCTION LINE
LINE COMPONENTS
60 Bar(g)
60 Bar(g)
EXPANSION
VALVE COMPONENTS
90 Bar(g)
80 Bar(g)
DISPLAY SHOWCASE EVAPORATORS
SUCTION PRV
REQUIRED?
60 Bar(g) YES
60 Bar(g) YES
LIQUID LINE SUCTION PRV
REQUIRED?
90 Bar(g) YES
80 Bar(g) YES
VALVES*
Page 168 of 169
SUCTION PRV
RATING
60 Bar(g)
60 Bar(g)
SUCTION PRV
RATING
60 Bar(g)
60 Bar(g)
P4367 Rev 01