SiUS34-801A_b Basic ControlVRVIII R-410A Heat Recovery 60Hz 193Two-unit multi system6.3 Electronic Expansion Valve PI ControlMain electronic expansion valve EVM controlWhen the outdoor unit heat exchanging is performed via the evaporator (20SA is set to ON), thisNotes:1. INV : Inverter compressorSTD : Standard compressorFigures after ON represent the number of STD compressors in operation.2. Master Unit and Slave Unit in this section are the names for control, and they will be transferred according to thepriority of rotation system.3. Depending on the operating conditions of compressors, the compressors may run in patterns other than thoseaforementioned.REYQ216PYDN, 240PYDN (8/10+10 ton)(To increase Step No.)STEPNo.unit 1INVunit 2INV STD1 52Hz 52Hz2 56Hz 56Hz3 62Hz 62Hz4 66Hz 66Hz5 70Hz 70Hz6 74Hz 74Hz7 80Hz 80Hz8 88Hz 88Hz9 92Hz 92Hz10 96Hz 96Hz11 104Hz 104Hz12 110Hz 110Hz13 116Hz 116Hz14 124Hz 124Hz15 132Hz 132Hz16 144Hz 144Hz17 158Hz 158Hz18 166Hz 166Hz19 176Hz 176Hz20 80Hz 80Hz ON121 88Hz 88Hz ON122 96Hz 96Hz ON123 104Hz 104Hz ON124 116Hz 116Hz ON125 124Hz 124Hz ON126 132Hz 132Hz ON127 88Hz 88Hz ON228 96Hz 96Hz ON229 104Hz 104Hz ON230 124Hz 124Hz ON231 144Hz 144Hz ON232 158Hz 158Hz ON233 166Hz 176Hz ON2Initial step(To decrease Step No.)STEPNo.unit 1INVunit 2INV STD1 52Hz2 56Hz3 62Hz4 68Hz5 74Hz6 80Hz7 88Hz8 96Hz9 104Hz10 52Hz 52Hz11 56Hz 56Hz12 62Hz 62Hz13 66Hz 66Hz14 70Hz 70Hz15 74Hz 74Hz16 80Hz 80Hz17 88Hz 88Hz18 92Hz 92Hz19 96Hz 96Hz20 104Hz 104Hz21 110Hz 110Hz22 116Hz 116Hz23 124Hz 124Hz24 132Hz 132Hz25 52Hz 52Hz ON126 62Hz 62Hz ON127 68Hz 68Hz ON128 74Hz 74Hz ON129 80Hz 80Hz ON130 88Hz 88Hz ON131 96Hz 96Hz ON132 104Hz 104Hz ON133 52Hz 52Hz ON2