4. SPECFICATIONS
Table 4.1
Number of units that can be
used together
Compressor stop/start frequency
Power source voltage
Table 4.2
Model (Btu/h)
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
Connected units
Stop time
voltage fluctuation
voltage drop during start
interval unbalance
1 drive 2 1 drive 3
14k 18k 21k 27k 28k 36k
10
OU higher than IU
OU lower than IU
10
10
1-5 units
3 min or more
within ±10% of rated voltage
within ±15% of rated voltage
within ±3% of rated voltage
30
40
45
60
20
25
25
30
15
15
15
15
15
15
10
10
10
Indoor unit
15m
Indoor unit
15m
Indoor unit
Unit: m
1 drive 4 1 drive 5
42k
60
80
80
30
35
35
15
15
15
15
15
15
10
10
10
Max.Height
difference
10m