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■Specifcations
■Piping dimensions
Outdoor unit
One Indoor unit connection
Multi Indoor unit connection
Outdoor unit
FS unit
indoor unit
(1)
(2)
FS unit
indoor unit
(2)
(1)
(4) (3) (4) (2)
(2)
(3)
Outdoor unit side pipe size (1)
Indoor unit side pipe size (2)
Y-shaped branching joint (4)
Total capacity codes of indoor units
at the downstream side
Y-shaped branching joint Model name
Below 61
RBM-BY55UL
61 to 96 or less RBM-BY105UL
3.1"(79)
3.7"(94)
7.1"(180)
4.0"(102)
7.6"(192)
10.0"(255)
11.8"(300)
4.7"(120)
(Unit external dimension)
(5.8"(148)) 6.0"(152)
(Hanging bolt pitch)
16.8"(425)
19.4"(494)
(Unit external dimension)
1.4"(36)
4.7"(120)
6.5"(164) 4.0"(101)
(Hanging bolt pitch)
(1.4"(35))
2.4"(60)
3.7"(94)
0.7"(19)
(Hang-up
plate bottom)
1.3"(32)
7.0"(179)
9.5"(241)
2.4"(62)
1.3"(33)
RBM-Y0964FUL
Suction gas pipe
Liquid pipe
Discharge gas pipe
Refrigerant pipe connecting port
outdoor unit side
Gas pipe
Liquid pipe
Refrigerant pipe connecting port
Control Box
indoor unit side
22.2"(564)
1.3"(33)
(Hanging bolt pitch)
19.5"(495)
(Unit external dimension)
1.4"(36)
13.8"(350)
(Unit external dimension)
(5.5"(139)) 8.3"(211)
4.7"(120)
4.1"(105)
7.3"(186)
11.5"(292)
3.1"(79)
3.7"(94)
7.1"(180)
4.0"(101)8.2"(209)
(Hanging bolt pitch)
(1.6"(40))
4.7"(120)
0.7"(19)
(Hang-up
plate bottom)
2.2"(57)
1.3"(32)
6.8"(172)
10.4"(263)
2.4"(62)
Capacity rank Length of piping
Gas side
Liquid side
007 to 012
49ft(15m) or less real length
Φ3/8" Φ1/4"
Exceeds 49ft(15m) real length
Φ1/2" Φ3/8"
015 to 018
49ft(15m) or less real length
Φ1/2" Φ1/4"
Exceeds 49ft(15m) real length
Φ5/8" Φ3/8"
024 to 056
-
Φ5/8" Φ3/8"
072 to 096
-
Φ7/8" Φ1/2"
Total capacity codes of indoor units
at the downstream side
Section gas
side
Liquid side
Below 61
Φ5/8" Φ3/8"
61 to 96 or less
Φ7/8" Φ1/2"
Indoor unit side pipe size (3)
Flow Selector unit RBM-
Y0384FUL Y0614FUL Y0964FUL
Total capacity codes of indoor units
at the downstream side
Below 38 38 to below 61 61 to 96 or less
Outdoor unit side pipe size
(mm)
Suction gas pipe
Φ5/8" Φ5/8" Φ7/8"
Discharge gas pipe
Φ1/2" Φ1/2" Φ3/4"
Liquid pipe
Φ3/8" Φ3/8" Φ1/2"
SINGLE PORT FS UNIT (LONG PIPING MODEL) INSTALLATION SPACE
Models : RBM-Y0384FUL , RBM-Y0614FUL , RBM-Y0964FUL
●Installation space
Upper side
Upper side
(Bottom side)
(Bottom side)
Control Box
2.8"(70)
Check port
23.7"(600) or more
17.7"(450) or more
Flow selector unit
indoor unit
33ft(10m) or more
Installation constraints
RBM-***
a b
Y0384FUL/Y0614FUL
9.9"(250) 9.9"(250)
Y0964FUL
15.8"(400) 15.8"(400)
2.0"(50) or more
4.0"(100) or more
a or more
b or more
Bolt size : 4-M0.4"(10)
(field supply)
( )In case of using the attached pipe (accessory); 350mm for (Y0384FUL)
( )
Avoid installing the unit at a place with quiet background sound as follows.
(1)Rooms with quiet background such as bed room, hospital, or room in a hotel.
(2)Rooms which have no ceiling and a fabric does not block the residence space from the Flow Selector unit.
(3)Rooms which have opening port at the ceiling.
When installing the unit at the above places,separate the unit from the indoor unit (more than 10m) and
install the unit at a place so that sound does not transmit into the room such as in the corridor ceiling.
Refer to the installation manual about other cautions for selection of installation place.
And take sound proof measure, such as covering around the Flow Selector unit with the sound proofing
materials.
Communication cable intake port
(Φ1/2"(Φ13))
Power supply cable intake port
(Φ3/4"(Φ22))
Power supply cable intake port
(Φ3/4"(Φ22))
RBM-Y0384FUL/RBM-Y0614FUL
Communication cable intake port
(Φ1/2"(Φ13))
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