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.
To Next Page
Loading...
