Hitachi FSG Series, Технический каталог

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13
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REFRIGERANT PIPING AND REFRIGERANT CHARGE
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NOTE:
After piping and wiring work are completed, remove
two yellow shipping washers for compressor(s).
Fix the pipes not to apply a force to stop valves and to
minimize vibration.
13.5.3. FLANGE PIPING CONNECTION
Figure 1 Figure 2 Figure 3 Figure 4
(ID) Inner Diameter
Dimensions
Outdoor Unit Model
Figure
A B C ØD(ID) ØE(ID)
RAS-8FSG Gas
1 95 29 88 22.2 25.4
RAS-10FSG Gas
1 95 29 88 25.4 28.6
RAS-16FSG Gas
2 99 32 116 31.75 –
RAS-20FSG Gas 2 99 32 111 38.1 –
RAS-24FSG1 Gas
3 99 32 56 38.1 –
RAS-30FSG1 Gas
4 125 32 101 44.45 –
RAS-8FXG Low Gas 1 95 29 88 22.2 25.4
RAS-10FXG Low Gas
1 95 29 88 25.4 28.6
RAS-20FXG1 Low Gas 2 99 32 111 38.1 –
RAS-20FXG1 High Gas
1 95 29 88 22.2 25.4
RAS-30FXG1 Low Gas
4 99 32 101 44.45 –
RAS-30FXG1 High Gas 3 95 29 61 31.75 –
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NOTE:
- For connecting the lower piping diameter for the
Outdoor Units having two piping dimensions, cut off
the end part of pipe flange (factory supplied), which is
for connecting the higher piping diameter
(see Figure 1).
- If necessary, use the reducer (factory supplied)
(see Figures 2, 3 and 4).
Foot of
Compressor
Shipping Washer
(yellow-Painted)
Vibration-proof
rubber
Vibration-proof
rubber
Nut