Refrigerant piping work
(a) SET-FREE FSXNSE / FSXNPE Series (Heat recovery system/heat pump system)
model
connectable indoor unit
(recommended number)
RAS-5FSXNPE
RAS-6FSXNPE
RAS-8FSXNPE
RAS-10FSXNPE
RAS-12FSXNPE
RAS-14FSXNPE
RAS-16FSXNPE
RAS-18FSXNPE
RAS-20FSXNPE
RAS-22FSXNPE
RAS-24FSXNPE
RAS-26FSXNPE
RAS-28FSXNPE
RAS-30FSXNPE
RAS-32FSXNPE
RAS-34FSXNPE
RAS-36FSXNPE
RAS-(38-72)FSXNPE
RAS-8FSXNSE
RAS-10FSXNSE
RAS-12FSXNSE
RAS-14FSXNSE
RAS-16FSXNSE
RAS-18FSXNSE
RAS-20FSXNSE
RAS-22FSXNSE
RAS-24FSXNSE
RAS-26FSXNSE
RAS-28FSXNSE
RAS-30FSXNSE
RAS-32FSXNSE
RAS-34FSXNSE
RAS-36FSXNSE
RAS-(38-96)FSXNSE
7
PMML0268A rev.4 - 02/2020 - P5416576
max. number of
max. number of
connectable expansion
*1)
16 (5) Units
19 (5) Units
26 (8) Units
32 (10) Units
39 (10) Units
45 (16) Units
52 (16) Units
58 (16) Units
64 (18) Units
64 (20) Units
64 (26) Units
64 (26) Units
64 (32) Units
64 (32) Units
64 (32) Units
64 (32) Units
64 (32) Units
64 (38) Units
26 (8) Units
32 (10) Units
39 (10) Units
45 (16) Units
52 (16) Units
58 (16) Units
64 (18) Units
64 (20) Units
64 (26) Units
64 (26) Units
64 (32) Units
64 (32) Units
64 (32) Units
64 (32) Units
64 (32) Units
64 (38) Units
restrictions
total piping length between
each expansion valve kit and
valve kit *2)
indoor unit (m) *3)
No restriction
No restriction
max. additional
refrigerant charge
quantity (kg) *4)
30
28.0
40
60
36.0
70
40.0
80
51.0
120
52.0
150
63.0
180
38-66 HP: 63.0
200
68-72 HP: 73.0
40
28.0
60
36.0
70
40.0
80
51.0
120
52.0
150
63.0
180
38-66 HP: 63.0
200
68-88 HP: 73.0
90-96 HP: 93.0