Transportation And Handling - Hitachi CENTRIFUGAL VRF RASC-HNPE Serie Manual De Instrucciones

IMPORTANT NOTICE
RASC-(4-6)HNPE
Discharge pressure
sensor for control (Pd)
?
N O T E
The high pressure switch is indicated on the electrical wiring diagram in the RASC unit as PSH connected to printed circuit board (PCB1) in the RASC
unit.
!
D A N G E R
• Do not change the high-pressure switch locally or change the high pressure cut-out set value locally. If changed, it will cause serious
injury or death due to explosion.
• Do not attempt to turn service valve rod beyond its stop.

4 TRANSPORTATION AND HANDLING

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Hanging method
When hanging the unit, ensure the balance of the unit, check
safety and lift it up smoothly. Do not remove any packing
materials and hang the unit under packing condition with two
ropes, as shown in the figure.
Wire rope
3 PMML0399B rev.0 - 11/2015
Low pressure
switch (PSL)
High pressure
switch (PSH)
Structure of High Pressure Switch
Contact Point
Electrical wire
Do not remove the plastic band
or the corrugate paper frame
Pass the wire ropes
through each lifting hole in
the base as shown
RASC-(8/10)HNPE
Discharge pressure
sensor for control (Pd)
Pressure Detected
!
C A U T I O N
• Apply two lifting wires on to the RASC unit, when lifting it by crane.
• For safety reasons ensure that the RASC unit is lifted smoothly and
does not lean.
• Do not attach lifting equipment to the plastic band or the corrugated
paper frame, because the ropes will slip or break the materials.
• Ensure that the exterior of the unit is adequately protected with cloth
or paper.
• Transport the products as close to the installation location as practical
before unpacking.
High pressure Low pressure
switch (PSH)
switch (PSL)