Toshiba MMY-MUP0801HT8P-E Installationsanleitung Seite 66

Header Follower Follower Follower
unit A unit B unit C unit D
Outdoor unit
(8) (8) (8) (8)
(1) (1) (1)
(8) (8)
(8)
(2)
(2)
(2)
Main connecting piping between outdoor units
(3)
(8)
Outdoor unit connection piping kit (For linking of outdoor units)
Main
piping (6)
(4)
Branching pipe
First branch
Y-shape (5)
branching joint
(4)
Indoor unit
(6)
(4)
(5)
Indoor unit
No. Piping parts Name
Connecting pipe size of outdoor unit
MMY-MUP080
MMY-MUP100
Outdoor unit
Outdoor unit MMY-MUP120
(1) Outdoor unit connecting
MMY-MUP140
connection pipe
MMY-MUP160
piping kit
MMY-MUP180
MMY-MUP200
MMY-MUP220
MMY-MUP240
129-EN
IM_1141001201-2_Book.indd 65 IM_1141001201-2_Book.indd 65
Follower
unit E
(1) (1)
Outdoor unit connecting pipes
(7)
Branching header
(4) (6)
Y-shaped branching joint
Indoor unit connecting pipe
(5) (5) (5)
(6)
(6)
(4)
(6) (4)
(5) (5) (5) (5)
Selection of pipe size Remarks
Type Gas side Liquid side
19.1 12.7
22.2 12.7
28.6 12.7 Same as connecting
pipe size of the
28.6 15.9
outdoor unit.
28.6 15.9
28.6 15.9
28.6 15.9
28.6 19.1
34.9 19.1
– 65 –
No. Piping parts Name
Between Main
Outdoor unit connecting
(2)
connection piping between
piping kit outdoor units
(5)
Outdoor unit
connection
piping kit of
header unit
First branching
section
(3)
Main piping
Outdoor unit
First branching
section
Selection of pipe size
Pipe size for connecting piping between outdoor units
Total capacity codes of
the total outdoor units at
the downstream side
Gas side Liquid side
Equivalent
to capacity (HP)
16 to 20 28.6 15.9
22 28.6 19.1
24 34.9 19.1
26 to 34 34.9 19.1
36 to 60 41.3 22.2
62 to 74 54.0 22.2
*1
76 or more 54.0 22.2
* 1 It is possible to change pipe size from Ø54.0 to Ø44.5,
if it is available at site.
Size of main piping
Total capacity
codes of all Liquid side
outdoor units
Gas
side
Refrigerant
Equivalent to Standard Allowable
saving
capacity (HP) Pipe Length
pipe size
8 19.1 12.7 9.5 30 m
10 22.2 12.7 9.5 30 m
12 28.6 12.7 - -
14 to 18 28.6 15.9 12.7 50 m
20 28.6 15.9 - -
22 28.6 19.1 15.9 80 m
24 to 26 34.9 19.1 15.9 80 m
28 to 34 34.9 19.1 - -
36 to 42 41.3 22.2 19.1 80 m
*3
44 to 52 41.3 22.2 19.1 50 m
*3
54 41.3 22.2 19.1 50 m
56 to 60 41.3 22.2 - -
62 to 74 54.0 22.2 - -
*4
76 to 92 54.0 22.2 - -
94 or more 54.0 22.2 - -
*1*2
*1 Maximum length for the main piping is 30 m.
*2 If the length for main piping is extended up to 70 m,
change the liquid side piping size to Ø25.4 (one size up).
*3 It is possible to change pipe size from Ø41.3 to Ø38.1,
if it is available at site.
*4 It is possible to change pipe size from Ø54.0 to Ø44.5,
if it is available at site.
Remarks
Pipe size differs
based on the total
capacity code value
of outdoor units.
Pipe size differs
based on the total
capacity code value
of outdoor units.
If the allowable
length has the
allowable value or
less, the refrigerant
saving pipe size can
be selected.
130-EN
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