Troubleshooting Guide
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Ramsond Manuals
Heating
Sophia 48000 BTU 4 Ton 21.5 SEER 5 Zones Cassette Multi-Zone Ductless Mini Split Air Conditioner with Heat Pump 230V
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Table Of Contents
1.1 Indoor Unit Error Display
1.2 Outdoor unit error display(TBD)
1.3 Diagnosis and Solution
2. Disassembly Instructions
2.1 Indoor unit
Appendi
x
4
1.
Normal vo
ltage of
P an
d N
208
-240V(1-
phase,3
-
p
hase)
380
-420V(3-
phase)
In standby
around 310VDC
around 530VDC
In operati
on
With passiv
e
PFC module
W
ith par
tial
active PFC
module
With fully a
ctive
PFC module
/
>200VDC
>310VDC
>370VDC
>450VDC
1
...
...
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