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