Toshiba MMY-MAP0806FT8P-E Installation Manual page 12

Selection of pipe size
N . o T t i e l U s e p a t r
MMY-MAP0806*
Outdoor unit
MMY-MAP1006*
Outdoor unit
(1)
Outdoor unit MMY-MAP1206*
connecting pipe
connection
MMY-MAP1406*
piping kit
MMY-MAP1606*
MMY-MAP1806*
MMY-MAP2006*
Total capacity codes of outdoor units at the
Outdoor unit
Between connection
Equivalent to capacity
Outdoor unit piping kit
(2)
connection
45.0 to below 61.5
piping Outdoor unit
61.5 to below 73.0
*6 connection
73.0 to below 101.0
piping kit
Total capacity code of
Equivalent to
capacity
22.4 to
below 28.0
28.0 to
Outdoor unit
below 33.5
connection piping
33.5 to
kit of header unit
(3) Main piping
below 38.4
38.4 to
First branching
below 45.0
section
45.0 to
below 50.4
50.4 to
below 61.5
61.5 to
below 73.0
73.0 to
below 100.8
100.8 or more
Total capacity codes of indoor units
Branching section
Equivalent to
Branching section
capacity
Below 18
Branching section
Branching pipe
(4) 18 to below 34
*1, *2, *6
Flow Selector unit
34 to below 45.5
45.5 to below 56.5
Flow Selector unit
56.5 to below 70.5
70.5 to below 98.5
Branching section
98.5 or more
Flow Selector unit
Indoor unit
(5)
connecting pipe
Indoor unit
21-EN
S e e l t c o i n f o p p i e s z i e
Balance pipe Suction gas Discharge
Type
side side gas side
Ø9.5 Ø22.2 Ø19.1
Ø9.5 Ø22.2 Ø19.1
Ø9.5 Ø28.6 Ø19.1
Ø9.5 Ø28.6 Ø22.2
Ø9.5 Ø28.6 Ø22.2
Ø9.5 Ø28.6 Ø22.2
Ø9.5 Ø28.6 Ø22.2
Suction Discharge
downstream side
gas side
Equivalent to HP
16 to below 22 Ø28.6
22 to below 26 Ø34.9
26 to below 36 Ø34.9
101.0 or more 36 or more Ø41.3
Extend 2 (Down
Extend
sizing main liquid
outdoor units 1 *12
Suction
pipe) *11, *12
Discharge
gas
gas side
The longest
side
Equivalent Liquid Liquid
main liquid
to HP side side
piping L1
8 to below 10 Ø22.2 Ø19.1 Ø12.7 Ø9.5 40 m
10 to below 12 Ø22.2 Ø19.1 Ø12.7 Ø9.5 25 m
12 to below 14 Ø28.6 Ø19.1 Ø12.7 Ø9.5 15 m
14 to below 16 Ø28.6 Ø22.2 Ø15.9 Ø12.7 50 m
16 to below 18 Ø28.6 Ø22.2 Ø19.1 Ø12.7 40 m
18 to below 22 Ø28.6 Ø22.2 Ø19.1 Ø15.9 50 m
22 to below 26 Ø34.9 Ø28.6 Ø19.1 Ø15.9 50 m
26 to below 36 Ø34.9 Ø28.6 Ø22.2 Ø19.1 50 m
36 or more Ø41.3 Ø34.9 Ø22.2 Ø19.1 30 m
Suction
at the downstream side
Discharge Liquid
gas
gas side side
side
Equivalent to HP
Below 6.4 Ø15.9 Ø12.7 Ø9.5
6.4 to below 12.2 Ø22.2 Ø19.1 Ø12.7
12.2 to below 16.2 Ø28.6 Ø22.2 Ø15.9
16.2 to below 20.2 Ø28.6 Ø22.2 Ø19.1
20.2 to below 25.2 Ø34.9 Ø28.6 Ø19.1
25.2 to below 35.2 Ø34.9 Ø28.6 Ø22.2
35.2 or more Ø41.3 Ø34.9 Ø22.2
Capacity rank Equivalent to HP Gas side
005 to 012 0.8 to 1.25 Ø9.5
015 to 018 1.7 to 2.0 Ø12.7
024 to 056 2.5 to 6.0 Ø15.9
072 to 096 8.0 to 10.0 Ø22.2
– 11 –
N . o T t i
R e m a k r s
Liquid side
Indoor unit
Ø12.7
(6)
connecting pipe
Ø12.7
Ø12.7
Ø15.9
Ø19.1
Ø19.1
Ø19.1
Y-shaped
Liquid side
(7) branching joint
gas side
*3, *4
Ø22.2 Ø15.9
Ø28.6 Ø19.1
Ø28.6 Ø22.2
Ø28.6 Ø22.2
Branching
(8) header
*3, *4, *5
Outdoor unit
connection
(9)
piping kit
Pipe size differs
*6, *7
based on the total
capacity codes of
all outdoor units
(See Table 2.)
Flow Selector
(10) unit
*7
Pipe size differs *1: Use the same size as the main pipe if it is larger than the main pipe.
based on the
*2: Use a suction gas pipe and a liquid pipe for the two pipes branching downstream from the flow selector unit and the dedicated cooling circuit.
total capacity *3: Select the branch pipe of the first branch according to the outdoor capacity code.
*4: Select according to the outdoor unit capacity code if the total of the indoor capacity codes exceeds the outdoor unit capacity code.
code value of
*5: It is possible to select up to a maximum capacity code total 16 (6 HP) for each one branch of the branching header.
indoor units at the
When using a branch header for the first branch with an outdoor unit capacity code of 33.5 (12 HP equivalent) or more and 73.5
downstream side.
(26 HP equivalent) or less, use RBM-HY2043FE (4 branches) and RBM-HY2083FE (8 branches) regardless of the total value of the capacity
(See Table 1 and 2.)
codes of the downstream indoor units. And, a branch header cannot be used as the first branch if the performance rank is over 73.5
(26 HP equivalent).
*6: The downstream starting point is the main pipe.
*7: If the performance rank is over 120 (42 HP equivalent), "Flow Selector unit" is available for only Multi port type and Single port type
(Long piping model).
Liquid side *8: The group connection of the multiple indoor units is possible up to maximum 8 units, and it is possible only within one FS unit.
*9: The group connection of the multiple indoor units is possible up to 8 units if one remote controller is used, and it is possible up to 7 units if
Ø6.4
two remote controllers are used.
The group connection of the multiple indoor units is possible only within one branch or one FS unit.
Ø6.4
*10: In the downstream of the multi type FS unit, the header branch cannot be used.
Ø9.5
*11: The height difference between outdoor and indoor units (H1) is 30 m or less (See "Allowable length and allowable height difference of
refrigerant piping".)
Ø12.7
*12: Incorrect selection of pipe size may cause problem in refrigeration cycle.
e l U s e p a t r S e e l t c
Terminal
Equivalent to
branching section Capacity rank
HP
Indoor unit
005 to 012 0.6 to 1.25
015 to 018 1.7 to 2.0
Multi port type
or Single port
024 to 056 2.5 to 6.0
type (Long piping
072 to 096 8.0 to 10.0
model) FS unit
Indoor unit
Total capacity code of indoor units
Equivalent to capacity
Below 18.0
Branching section
18.0 to below 45.0
45.0 to below 70.5
70.5 or more
T t o l a c a p a i c y t c o d e
Equivalent to
capacity
Branching section
Below 40.0
For 4 branches
40.0 to below 70.5
Below 40.0
For 8 branches
40.0 to below 70.5
Total capacity codes of outdoor units at the downstream side
Equivalent to capacity
Branching section
Below 73.0
73.0 or more
Single port type*8 / Single port type (Long piping model) *9
Total capacity codes of connected indoor units
Equivalent to capacity Equivalent to HP
Below 11.2
11.2 to below 18.0
Flow Selector unit
18.0 to 28.0 or less
Indoor unit
Multi port type *9, *10
Equivalent to capacity Equivalent to HP
Below 18.0
o i n f o p p i e s z i e R e m a k r s
Length of piping Gas side Liquid side
15 m or less real length Ø9.5 Ø6.4
Exceeds 15 m real length Ø12.7 Ø9.5
15 m or less real length Ø12.7 Ø6.4
Exceeds 15 m real length Ø15.9 Ø9.5
- Ø15.9 Ø9.5
- Ø22.2 Ø12.7
Model name
Equivalent to HP
Below 6.4 RBM-BY55FE
6.4 to below 16.1 RBM-BY105FE
16.1 to below 25.2 RBM-BY205FE
25.2 or more RBM-BY305FE
f o n i d o r o u i n s t M o d l e n a m e
Equivalent to HP For 3 piping For 2 piping
Below 14.2 RBM-HY1043FE RBM-HY1043E
14.2 to below 25.2 RBM-HY2043FE RBM-HY2043E
Below 14.2 RBM-HY1083FE RBM-HY1083E
14.2 to below 25.2 RBM-HY2083FE RBM-HY2083E
Model name
Equivalent to HP
Below 26.0 RBM-BT14FE
26.0 or more RBM-BT24FE
Model name
Below 4.0 RBM-Y1123FE / RBM-Y1124FE*
4.0 to below 6.4 RBM-Y1803FE / RBM-Y1804FE*
6.4 to below 10.0 RBM-Y2803FE / RBM-Y2804FE*
No. of
Model name
branch
4 RBM-Y1801F4PE*
Below 6.4
6 RBM-Y1801F6PE*
22-EN