Toshiba MCY-MAP0401TP Series Installation Manual page 11

2FAN_IM_DB04905901-00.book Page 10 Friday, October 24, 2014 3:19 PM
Connecting pipe size of indoor unit
Capacity rank
Branching section Indoor unit
007 to 012 type
(3)  connecting
Indoor unit pipe
014 to 018 type
020 to 056 type
Selection of branching section (Y-shaped branching joint)
Y-shaped
(4) Branching section branching
joint
Y-shape branch joint
Selection of branching section (Branching header)
Branching
(5) Branching section
header
Branching header
(*1)For each line after branch header, total indoor capacity code
must be 6.0 or less
 Selection of refrigerant piping for quiet place (with PMV Kit)
Outdoor unit
Main
Branching
Branching
pipe
pipe
(2)
header
(1)
1st branching
section (4)
(3)
Branching pipe
(2)
Y-shaped
branching joint
EN-19
Gas pipe Liquid pipe
9.52 6.35
12.70 6.35
15.88 9.52
Model name
RBM-BY55E
Model name
For 4 branches RBM-HY1043E
For 8 branches(*1)
RBM-HY1083E
(4)
PMV Kit
(3) (3) (3)
Indoor unit
(3)
(3)
(4)
No. Piping parts Name
Size of main pipe
Outdoor unit
Outdoor unit capacity type

(1) Main pipe
1st branching
section
Pipe size between branching sections
Total capacity codes of
indoor units at down stream
Branching section
Branching
(2) 
pipe Equivalent to
Branching section
Below 2.4
2.4 or more
Below 6.4
Connecting pipe size of indoor unit
Branching section Indoor unit
(3)  connecting
Indoor unit pipe
Selection of branching section (Y-shaped branching joint)
Y-shaped
(4) Branching section branching
joint
Selection of branching section (Branching header)
Branching
(5) Branching section
header
Branching header
(*1)For each line after branch header, total indoor capacity code
must be 6.0 or less
Selection of PMV Kit
(6) PMV Kit PMV Kit
* PMV kit can be connected less than 056 type FCU.
– 10 –
Installation Manual
Selection of pipe size
Same as connecting
Gas pipe Liquid pipe
pipe size of the outdoor
0401 type 15.88 9.52
unit.
0501 type 15.88 9.52
0601 type 19.05 9.52
Pipe size differs based
on the total capacity
code value of indoor
units at the downstream
side
Gas pipe Liquid pipe
side. If the total value
Equivalent to exceeds the capacity
HP capacity code of the outdoor unit,
apply the capacity code
Below 6.4 12.70 9.52
of the outdoor unit. (See
Below 6.4
15.88 9.52
Table 1 and 2.)
6.4 or more 19.05 9.52
Capacity rank Gas pipe Liquid pipe
007 to 012 type 9.52 6.35
014 to 018 type 12.70 6.35
020 to 056 type 15.88 9.52
Model name
Y-shape branch joint RBM-BY55E
Model name
For 4 branches RBM-HY1043E
For 8 branches(*1) RBM-HY1083E
Capacity rank Model name
007 to 014 type RBM-PMV0362E
015 to 056 type RBM-PMV0902E
Remarks
EN-20