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Flex + Series
5
3.3 Parts and Components of Unit
For the Flex + 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.
Fig. 2
3.4 Working Temperature Range
Table 2
(BD :erutarepmet edistuO stroS ℃/℉)
Maximum cooling 48℃(118℉)
Minimum cooling -18℃(0℉)
Maximum heating 24℃(75℉)
Minimum heating -20℃(-4℉)
Outdoor unit
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)
Ground
Power
(60Hz, 208/230V)
Power
(60Hz, 208/230V)
Power
(60Hz, 208/230V)
Power
(60Hz, 208/230V)
Ground
Ground
The 1st
branch
The 2nd
branch
BU 1
BU 2
BU 3
Indoor unit
Duct type
Duct type
Wall mounted
type
Wall mounted
type
Wall mounted
type
Cassette type
Cassette type
Floor ceiling
type
Console type
Ground
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