Lennox LIUH018021T431E-1 Service Manual page 155

Appendix 3
In standby
In operation
With passive PFC
module
>200VDC
Electrical Control System
Normal voltage of P and N
208-240V(1-phase,3-phase)
310VDC
around
With partial active
PFC module
>310VDC
380-415V(3-phase)
around 530VDC
With fully active
PFC module
>370VDC
Troubleshooting
/
>450VDC
153