4. SPECFICATIONS
Table 4.1
Number of units that can be
used together
Compressor stop/start frequency
Power source voltage
Table 4.2
Max. length for all rooms
Max. length for one indoor unit
Max. height different between
indoor and outdoor unit
Max. height different between indoor units
When installing multiple indoor units with a single outdoor unit, ensure that the length of
the refrigerant pipe and the drop height between the indoor and outdoor units meet the
requirements illustrated in the following diagram:
Outdoor unit
GB-9
7
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Connected units
Stop time
voltage fluctuation
voltage drop during start
interval unbalance
OU higher than IU
OU lower than IU
1-5 units
3 min or more
within ±10% of rated voltage
within ±15% of rated voltage
within ±3% of rated voltage
1 drive 2 1 drive 3
1 drive 4 1 drive 5
30
45
25
30
15
15
15
15
10
10
Indoor unit
15m
Indoor unit
15m
Indoor unit
Unit: m
60
75
35
35
15
15
15
15
10
10
Max.Height
difference
10m