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49 ft(15 m)
Indoor unit
Indoor unit
Indoor unit
Outdoor unit
49 ft(15 m)
32.8 ft(10 m)
Table 2.1
Table 2.2
Indoor units that can be used in combination
Number of connected units
1-5 units
Compressor stop/start frequency Stop time 3 minutes or more
within ±10% of rated voltage
Power source voltage voltage drop during start within ±15% of rated voltage
interval unbalance within ±3% of rated voltage
Max. length for all rooms
98.4 ft/30 m 147.6 ft/45 m
Max. length for one indoor unit 65.6 ft/20 m 82 ft/25 m
indoor and outdoor unit
32.8 ft/10 m 32.8 ft/10 m
49 ft/15 m 49 ft/15 m
32.8 ft/10 m 32.8 ft/10 m
196.8 ft/60 m 246 ft/75 m
98.4 ft/30 m 98.4 ft/30 m
32.8 ft/10 m 32.8 ft/10 m
49 ft/15 m 49 ft/15 m
32.8 ft/10 m 32.8 ft/10 m
Unit: ft/m
2 ZONE 3 ZONE 4 ZONE 5 ZONE
Fig. 2.5
When installing multiple indoor units to a single outdoor unit, ensure that the length of the refrigerant
pipe and the drop height between the indoor and outdoor units meets the following requirements:
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