Specifications

33
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
[19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75 [19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75
[6.35
[12.7
[9.52
RP10 twin (RP5✕2)RP8 twin (RP4✕2)
[12.7 [15.88 [9.52 [12.7 [15.88
[15.88
[9.52
[9.52
[19.05
[12.7
[19.05
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
Normal
piping
70mw1
[30m]
70m
[30m]
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
sw
70m
[30m]
sw
70m
[30m]
sw
70m
[30m]
70m
[30m]
70m
[30m]
sw
70m
[30m]
sw
70m
[30m]
sw
70m
[30m]
70m
[30m]
70m
[30m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
sw
50m
[20m]
w2
sw
50m
[20m]
w2
sw
50m
[20m]
w2
sw
50m
[20m]
sw
50m
[20m]
sw
50m
[20m]
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
Normal
piping
70mw1
[30m]
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
w2
50m
[20m]
w2
50m
[20m]
w2
50m
[20m]
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
[19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75 [19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75
[6.35
[12.7
[9.52
RP10 triple (RP3✕3)RP8 triple (RP2.5✕3)
[12.7 [15.88 [9.52 [12.7 [15.88
[15.88
[9.52
[9.52
[19.05
[12.7
[19.05
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Gas pipe
[19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75 [19.05 [22.2 [25.4 [28.58 [19.05 [22.2 [25.4 [28.58 [22.2 [25.4 [28.58 [31.75
[6.35
[12.7
[9.52
RP10 quadruple (RP2.5✕4)RP8 quadruple (RP2✕4)
[12.7 [15.88 [9.52 [12.7 [15.88
[15.88
[9.52
[9.52
[19.05
[12.7
[19.05
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
Normal
piping
70mw1
[30m]
70m
[30m]
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
sw
70m
[30m]
sw
70m
[30m]
sw
70m
[30m]
70m
[30m]
70m
[30m]
sw
70m
[30m]
sw
70m
[30m]
sw
70m
[30m]
70m
[30m]
70m
[30m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
sw
50m
[20m]
w2
sw
50m
[20m]
w2
sw
50m
[20m]
w2
sw
50m
[20m]
sw
50m
[20m]
sw
50m
[20m]
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
Normal
piping
70mw1
[30m]
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
w2
50m
[20m]
w2
50m
[20m]
w2
50m
[20m]
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
Normal
piping
70mw1
[30m]
70m
[30m]
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
sw
70m
[30m]
sw
70m
[30m]
sw
70m
[30m]
70m
[30m]
70m
[30m]
sw
70m
[30m]
sw
70m
[30m]
sw
70m
[30m]
70m
[30m]
70m
[30m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
sw
50m
[20m]
w2
sw
50m
[20m]
w2
sw
50m
[20m]
w2
sw
50m
[20m]
sw
50m
[20m]
sw
50m
[20m]
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
Normal
piping
70mw1
[30m]
20m
[20m]
20m
[20m]
20m
[20m]
50m
[30m]
50m
[30m]
50m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
70m
[30m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
50m
[20m]
w2
50m
[20m]
w2
50m
[20m]
w2
50m
[20m]
w1 The maximum pipe length is 80m in case of new pipping.
w2 When using [31.75 pipe, the outdoor temperature range (dry-bulb temperature) for heating operation is -11 to +21:.
w1 The maximum pipe length is 80m in case of new pipping.
w2 When using [31.75 pipe, the outdoor temperature range (dry-bulb temperature) for heating operation is -11 to +21:.
w1 The maximum pipe length is 80m in case of new pipping.
w2 When using [31.75 pipe, the outdoor temperature range (dry-bulb temperature) for heating operation is -11 to +21:.
Maximum pipe length (Main pipe[A]+Branch pipe diameter [ B and C ])
Maximum pipe length (Main pipe [A] + Branch pipe [ B, C and D ])
Maximum pipe length (Main pipe[A]+Branch pipe [ B, C, D and E ])
Main pipe
(mm)[A]
Main pipe
(mm)[A]
Main pipe
(mm)[A]
Branch
pipe
[mm]
[B, C]
Branch
pipe
[mm]
[B, C, D]
Branch
pipe
[mm]
[B, C, D, E]
70m
[30m]
SW
SW : When the outdoor unit is located lower than
the indoor unit, set DIP SW8-1 on the outdoor
unit controller board to ON.
< Marks in the table above >
The maximum pipe length
Charge-less pipe length
: It can be used.
: Cooling capacity is lowered.➝ Refer to <Table6>
: Additional refrigerant charge is required when
the pipe length exceeds 20m.➝ Refer to <Table7>
4-4-2. Synchronized twin, triple and quadruple system
(1) Synchronized twin
(2) Synchronized triple
(3) Synchronized quadruple
OCT04B-2.qxp 05.11.29 11:27 AM Page 33