Publicidad
Idiomas disponibles
Idiomas disponibles
(5) Indoor unit connecting pipe
Indoor unit capacity type
Gas side
3/8"
007 to 012 type
1/2"
015, 018 type
1/2"
021 to 054 type
5/8"
072, 096 type
7/8"
(6) Y-shaped branching joint (*3) (*4)
Total capacity code of
indoor units
at downstream side (*1)
Below 61
61 to below 134
134 to below 239
239 or more
(7) Branching header (*3) (*4) (*5) (*6)
Total capacity code of
Number
indoor units
of branches
at downstream side (*1)
Below 134
For 4 branching
134 to below 239
Below 134
For 8 branching
134 to below 239
(8) Outdoor unit connection piping kit
Total capacity code of
outdoor units
Model name
at downstream side (*1)
Below 247
RBM-BT14UL
247 or more
RBM-BT24UL
25-EN
Real piping
Liquid side
length
1/4"
49 ft (15 m) or less
1/4"
Exceeds 49 ft (15 m)
1/4"
3/8"
1/2"
Model name
RBM-BY55UL
RBM-BY105UL
RBM-BY205UL
RBM-BY305UL
Model name
RBM-HY1043UL
RBM-HY2043UL
RBM-HY1083UL
RBM-HY2083UL
– 13 –
Allowable length of refrigerant pipes and allowable height difference
■
between units (Heat pump)
Height difference
between outdoor units
H3
Outdoor unit connection piping kit
L1
Main pipe
Branching pipe
First branching
L3
a
Height difference
Indoor unit
between outdoor
and indoor units
L4
H1
f
◆ System restriction
Outdoor unit combination
Max. capacity of outdoor units
Indoor unit connection
Total capacity of indoor units
H2 ≦ 49 ft (15 m)
(Varies depending on the
height difference between
indoor units)
H2 > 49 ft (15 m)
* : Limited number of indoor unit is connected
C
Follower unit
Outdoor unit
B
Lc
A
Follower unit
Header unit
La
Lb
LA
LO
Branching header
L2
Y-shaped branching joint
L7
b
c
d
e
Furthest piping length
Li
Furthest piping length from the first branch
L5
L6
g
j
h
i
3 unit
480 kBtu/h (40 ton)
74 units
Single outdoor unit system : 200% of outdoor units' capacity*
Multiple outdoor units system : 150% of outdoor units' capacity*
105% of outdoor units' capacity
L
Height
difference
between
indoor units
H2
26-EN
Publicidad
