Outline of Control (Outdoor Unit) < Symbols using in this manual >
Si33-105
76
Function R407C PLUS Series Heat Recovery System
Remarks
•
When the inverter drooping is lowering, the frequency change rate should be 20Hz/10sec
within the range in which the inverter acceleration rate of 2Hz/1sec can catch up.
•
When the inverter drooping is rising, it should be 16Hz/3min, and the restriction should be
cancelled when INV frequency
≥
79Hz.
•
When the drooping of cooling Pc and heating Pe are lowering, the frequency can be
decreased with 2 steps.
•
When the drooping of cooling Pc and heating Pe are rising, the upper limit should be raised
every 30 min.
Summary of Contents for R407C PLUS
Page 1: ...System R407C PLUS Series Heat Recovery System Si33 105 Service Manual ...
Page 11: ...Introduction Si33 105 x ...
Page 41: ...Specifications Si33 105 30 Specifications R407C PLUS Series Heat Recovery System ...
Page 147: ...Test Operation Si33 105 136 Test Operation R407C PLUS Series Heat Recovery System ...
Page 263: ...Si33 105 iv Index ...
