BU Module
2.2 Combinations for Outdoor and Indoor Units
Sorts
No. of connectable
indoor units
2.3 Parts and Components of Unit
For the Super Free Match Series, one outdoor unit is able to drive up to three BU modules and
nine indoor units which include cassette type, duct type, wall-mounted type, floor ceiling type and
console type. The outdoor unit will run as long as any one indoor unit receives the running command,
and all indoor units stop once the outdoor unit is turned off.
Power supply wire for outdoor
unit and BU module(3 wires)
Connection pipe
Transmission line(2 wires)
Power supply wire for
indoor unit(4 wires)
Outdoor unit
Ground
(60Hz, 208/230V)
2.4 Working Temperature Range
M
M
FXA2A-D and FXA2B-D
M
n i
1
M
x a
2
Ground
(60Hz, 208/230V)
Ground
The 2nd
(60Hz, 208/230V)
branch
Ground
The 1st
branch
(60Hz, 208/230V)
Power
S
o
s t r
a
i x
m
u
m
i
i n
m
u
m
Table 1
FXA3A-D and FXA3B-D
BU 3
Power
BU 2
Power
BU 1
Power
Fig. 2
Table 2
O
u
i s t
e d
e t
4
FXB5A-D
1
3
Indoor unit
Duct type
Wall mounted
type
Floor ceiling
type
Console type
Wall mounted
type
Cassette type
Cassette type
Duct type
Wall mounted
type
m
p
r e
t a
r u
: e
D
( B
℃/℉)
0 5
℃(122℉)
-
5 1
℃(5℉)
1
5