Outdoor Unit; Indoor Unit - Hitachi SET FREE MINI RAS-3 Manuel D'installation

11
REFRIGERANT PIPING & REFRIGERANT CHARGE
16
4. After connecting the refrigerant piping, seal the open
space between knockout hole and refrigerant pipes by
using insulation material.
Unit
Side
5. Operation of stop valve should be performed according
to the figure below.
Nº Description
 Cap
 Allen wrench Hex 1
Refrigerant Piping Field Supplied

Cap

Refrigerant
 To Outdoor Unit
Pressure
Seat Surface Fully closed position

Check Joint Only the charging those can be connected

 Cap
 O-Ring Rubber
Open – Counterclockwise
 Spindle valve
Close – Clockwise
Tighten torque (N.m)
Valve type / Model A
Liquid Valve: (3~5HP) 7~9 33~42
Gas Valve: (3~5HP) 11~12 14~18

CAUTION:
− At the test run, fully open the spindle. If not fully
opened, the devices will be damaged.
Nº Description
Insulation Material

Insulation Material

Field Supplied

Insulation Material

Close before shipment
Remaks
Size (mm)
B C D
Hex 1
33~42 14~18 4
68~82 8~12 4
6. Multikits and Piping Connection Size of Outdoor Unit &

Indoor Unit..

- Applicable Multikit
Branch Type
Header Type
- Pipe Size

Outdoor Unit

Gas
RAS-3FSVNE
RAS-4FSVNE ∅15.88
RAS-5FSVNE
Indoor Unit
Gas
0.8~1.5 HP ∅12.90
∅15.88
1.8~2.0 HP
∅15.88
2.5~5.0 HP
Code
E-102SN
E-84HSN
E-108HSN
Pipe Size
Liquid
∅9.53
Pipe Size
Liquid
∅6.35
∅6.35
∅9.53