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SMMS-i
Installation Manual
EN
SMMS-i
Installation Manual
(7) Branching header
(4) Branching pipe
(5) Indoor unit connecting pipe
Indoor unit
First branch
Indoor unit
Header
unit A
Follower
unit D
Follower
unit C
Follower
unit B
(1) Outdoor unit connecting pipes
(8) Outdoor unit connection piping kit (For linking of outdoor units)
Y-shape
branching joint
Outdoor unit
(1)(1)(1)
(8)
(8)
(8)
(2)
(2) Balance pipes Ø9.5
(6)
(4)
(3) Main
piping
(6)
(6) Y-shaped branching joint
(5) (5) (5) (5)
(4)
(6)
(6)
(6)
(4)
(4)
(4)
(5)(5)(5)(5)(5)
(2)
No.
Piping parts Name Selection of pipe size Remarks
(1)
Outdoor unit
È
Outdoor unit
connection piping
kit
Outdoor unit
connecting pipe
Connecting pipe size of outdoor unit
Same as connecting
pipe size of the
outdoor unit.
(2)
Between Outdoor
unit connection
piping kits
Main connecting
piping between
outdoor units
Pipe size for connecting piping between outdoor units
Pipe size differs based
on the total capacity
code value of outdoor
units at the
downstream side.
(See Table 2.)
(3)
Outdoor unit
connection piping
kit of header unit
È
First branching
section
Main piping
Size of main piping
* Maximum equivalent length of main pipe is 70m or less (The actual
length is 50m or less.).
Pipe size differs based
on the capacity code
of the outdoor unit.
(See Table 2.)
(4)
Branching section
È
Branching section
Branching pipe
Pipe size between branching sections *1
*1: If exceeding the main pipe size, set the size to the same as the
main pipe size.
Pipe size differs based
on the total capacity
code value of indoor
units at the
downstream side. If
the total value
exceeds the capacity
code of the outdoor
unit, apply the
capacity code of the
outdoor unit. (See
Table 1 and 2.)
Type Gas side Liquid side
MAP080 Ø22.2 Ø12.7
MAP100 Ø22.2 Ø12.7
MAP120 Ø28.6 Ø12.7
MAP140 Ø28.6 Ø15.9
MAP160 Ø28.6 Ø15.9
Total capacity codes of
outdoor units at the
downstream side
Gas
side
Liquid
side
Balanc
e pipe
Equivalent to
HP
Equivalent to
capacity
16 to below 22
45.0 to below
61.5
Ø28.6 Ø15.9
Ø9.5
22 to below 26
61.5 to below
73.0
Ø34.9 Ø19.1
26 to below 36
73.0 to below
101.0
Ø34.9 Ø19.1
36 or more 101.0 or more Ø41.3 Ø22.2
Total capacity codes of all
outdoor units
Gas
side
Liquid
side
Equivalent to
HP
Equivalent to
capacity
8 to below 12 22.4 to below 33.5 Ø22.2 Ø12.7
12 to below 14 33.5 to below 38.4 Ø28.6 Ø12.7
14 to below 22 38.4 to below 61.5 Ø28.6 Ø15.9
22 to below 36
61.5 to below
101.0
Ø34.9 Ø19.1
36 to below 46
101.1 to below
130.0
Ø41.3 Ø22.2
46 or more 130.0 or more * Ø41.3 Ø22.2
Total capacity codes of indoor
units at downstream side
Gas
side
Liquid
side
Equivalent to HP
Equivalent to
capacity
Below 2.4 Below 6.6 Ø12.7 Ø9.5
2.4 to below 6.4 6.6 to below 18.0 Ø15.9 Ø9.5
6.4 to below 12.2 18.0 to below 34.0 Ø22.2 Ø12.7
12.2 to below 20.2 34.0 to below 56.5 Ø28.6 Ø15.9
20.2 to below 35.2 56.5 to below 98.5 Ø34.9 Ø19.1
35.2 or more 98.5 ore more Ø41.3 Ø22.2
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+00EH99871699_01EN.book Page 12 Thursday, August 26, 2010 4:41 PM