intensity VRF V5 Series Service Manual page 28

V5 X VRF 460V 60Hz
the compressor motors. The compressor speed can be altered in increments of 1 rps.
5.4 Operating Priority and Rotation of Compressors
Figures 3-5.1 to 3-5.4 show the compressor operating priority and rotation in systems with one, two, three and four
outdoor units. In units with two compressors, inverter compressor A (BP1) operates in priority to inverter compressor B
(BP2). In multi-unit systems, units operate in rotation. In Figures 3-5.2 to 3-5.4 the master unit and slave units 1, 2 and 3
are shown from left to right in that order, and the circled numbers (
Figure 3-5.1: Compressor priority and rotation – one outdoor unit
Figure 3-5.2: Compressor priority and rotation – two outdoor units
No. 1
①
②
No. 2
BP
Figure 3-5.3: Compressor priority and rotation – three outdoor units
No. 1
①
No. 3
②
No. 2
③
BP
No. 1 No. 2 No. 3
①
No. 4 No. 5 No. 1
②
No. 2 No. 3 No. 4
③
BP1 BP2
Figure 3-5.4: Compressor priority and rotation – four outdoor units
26
No. 1
BP
No. 2
①
②
No. 1
BP
No. 2 No. 3
No. 1 No. 2
No. 3 No. 1
BP BP
No. 4 No. 5
No. 2 No. 3
No. 5 No. 1
BP1 BP2 BP
, ,
① ② ③
No. 1 No. 2 No. 3
No. 2 No. 3 No. 1
BP1 BP2 BP
No. 1 No. 2
①
No. 3 No. 4
②
No. 2 No. 3
③
BP1
No. 1 No. 2
①
No. 5 No. 6
②
No. 3 No. 4
③
BP1
, ) indicate the rotation sequence.
④
No. 1 No. 2
BP1 BP2
No. 1 No. 2
①
②
No. 3 No. 4
BP1 BP2
No. 3
No. 1
No. 4
BP2 BP
No. 3 No. 4 No. 5
No. 1 No. 2 No. 3
No. 5 No. 6 No. 1
BP2 BP1 BP2
No. 3 No. 4
No. 1 No. 2
BP BP2
1
No. 4
No. 2
No. 1
BP
No. 6
No. 4
No. 2
BP1 BP2