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Mini VRF SYSTEM
Control Functions - Outdoor unit
1
2. Compressor Control
(1) Compressors Mounted in the Outdoor Units
Type of outdoor unit 4HP 5HP 6HP
Compressor
Inverter compressor
(High pressure rotary)
● ● ●
* The inverter compressor is operated according to the load and does not operate beyond outdoor unit capacity.
(2) Operating Frequency Range of Inverter Compressor
The inverter compressor can operate within the range in the table below.
1
When the high pressure is over 2.8MPa, the upper limit frequency is restricted.
2
If the low pressure is over 1.6MPa during operation of the inverter compressor, the system is stopped.
(P27: Pre-trip)
Type of outdoor unit 4HP 5HP 6HP
Minimum frequency (Hz) *1 15.0 15.0 15.0
Maximum frequency (Hz) *2 63.0 79.0 95.0
* The frequency range in the table above is subject to change without notice.
*1 The minimum Hz changes according to the outdoor air temperature during cooling operation.
*2
• The upper limit frequency is sometimes restricted to 54.0Hz until the compressor gets warmer.
• During special control (4-way valve adjustment control, system oil recovery control or defrost control) the
maximum frequency is limited.
• In heating low temperature operation, the frequency may be larger than the value in the table.
SM830258-01_欧州向け_1fan_mini_VRF.indb 3 18/03/06 9:09:47
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