Characteristics
Si33-105
244
Appendix R407C PLUS Series Heat Recovery System
3.4
Method of Replacing The Inverter’s Power Transistors
and Diode Modules
3.4.1 Method of Replacing The Inverter’s Power Transistors and Diode
Modules
[Decision according to continuity check by analog tester]
!
Before checking, disconnect the electric wiring connected to the power transistor and diode
module.
Power Transistor
(On Inverter PC
Board)
(Decision)
If other than given above, the power unit is defective and must be replaced.
Note:
If using a digital tester,
∞
and continuity may be reversed.
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 ...