HTW IX21D4

Table 5.1
Table 5.2
Specifications
5
Number of units that can be used
together
Connected units
1-5 units
Compressor stop/start frequency Stop time 3 min or more
voltage uctuation within ±10% of rated voltage
Power source voltage
voltage drop during start within ±15% of rated voltage
interval unbalance within ±3% of rated voltage
Unit: m/ft.
10m(32.8ft)
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(49ft)
15m(49ft)
Max.Height dierence
1 drive 2 1 drive 3
Max. length for all rooms 40/131 60/197
Max. length for one indoor unit 25/82 30/98
Max. height dierent between indoor and outdoor unit
15/49 15/49
Max. height dierent between indoor units 10/33 10/33
1 drive 4 1 drive 5
80/262 80/262
35/115 35/115
15/49 15/49
10/33 10/33
45