Hitachi RAS-8FSXN - Page 58

Combination of base units
Model
RAS-38
FSXN
RAS-40
FSXN
RAS-42
FSXN
RAS-44
FSXN
RAS-46
FSXN
RAS-48
FSXN
RAS-50
FSXN
RAS-52
FSXN
RAS-54
FSXN
Unit A
RAS-14
FSXN
RAS-16
FSXN
RAS-18
FSXN
RAS-18
FSXN
RAS-18
FSXN
RAS-18
FSXN
RAS-18
FSXN
RAS-18
FSXN
RAS-18
FSXN
Unit B
RAS-12
FSXN
RAS-12
FSXN
RAS-12
FSXN
RAS-14
FSXN
RAS-16
FSXN
RAS-18
FSXN
RAS-18
FSXN
RAS-18
FSXN
RAS-18
FSXN
Unit C
RAS-12
FSXN
RAS-12
FSXN
RAS-12
FSXN
RAS-12
FSXN
RAS-12
FSXN
RAS-12
FSXN
RAS-14
FSXN
RAS-16
FSXN
RAS-18
FSXN
Connection kit MC-30XN
a
Gas (low pressure) ø38.1 ø38.1 ø38.1 ø38.1 ø38.1 ø38.1 ø38.1 ø38.1 ø38.1
Gas (high pressure) ø31.75 ø31.75 ø31.75 ø31.75 ø31.75 ø31.75 ø31.75 ø31.75 ø31.75
Liquid ø19.05 ø19.05 ø19.05 ø19.05 ø19.05 ø19.05 ø19.05 ø19.05 ø19.05
b
Gas (low pressure) ø28.6 ø28.6 ø28.6 ø31.75 ø31.75 ø31.75 ø31.75 ø31.75 ø31.75
Gas (high pressure) ø25.4 ø25.4 ø25.4 ø28.6 ø28.6 ø28.6 ø28.6 ø28.6 ø28.6
Liquid ø15.88 ø15.88 ø15.88 ø19.05 ø19.05 ø19.05 ø19.05 ø19.05 ø19.05
c
Gas (low pressure) ø25.4 ø28.6 ø28.6 ø28.6 ø28.6 ø28.6 ø28.6 ø28.6 ø28.6
Gas (high pressure) ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2
Liquid ø12.7 ø12.7 ø15.88 ø15.88 ø15.88 ø15.88 ø15.88 ø15.88 ø15.88
d
Gas (low pressure) ø25.4 ø25.4 ø25.4 ø25.4 ø28.6 ø28.6 ø28.6 ø28.6 ø28.6
Gas (high pressure) ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2
Liquid ø12.7 ø12.7 ø12.7 ø12.7 ø12.7 ø15.88 ø15.88 ø15.88 ø15.88
e
Gas (low pressure) ø25.4 ø25.4 ø25.4 ø25.4 ø25.4 ø25.4 ø25.4 ø28.6 ø28.6
Gas (high pressure) ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2 ø22.2
Liquid ø12.7 ø12.7 ø12.7 ø12.7 ø12.7 ø12.7 ø12.7 ø12.7 ø15.88
If the main refrigerant pipe specified in the table is not available at the installation location, select the size given in brackets.
In this case, prepare a suitable reducer.
Main pipe Alternative pipe and reducer Main pipe Alternative pipe and reducer
ø9.53 (ø9.53-ø12.7) ø25.4 (ø25.4-ø28.6)
ø12.7 (ø12.7-ø15.88) ø28.6 (ø28.6-ø31.75)
ø15.88 (ø15.88-ø19.05) ø31.75 (ø31.75-ø34.9)
ø19.05 (ø19.05-ø22.2) ø38.1 (ø38.1-ø41.3)
ø22.2 (ø22.2-ø25.4) – –
3 Piping work and
refrigerant charge
51
SMGB0065 rev. 1 - 12/2010
3