OPERATION
Boost mode
• Press
II
I
Boost
I
II
to enter boost mode, supply and exhaust air
volume constant to 200 CFM.
• Boost on _time setting (Default: 20 min)
Time
CD Press
11
c=:J
11
to change the boost on time, and press
11
_..
T
11
to adjust (60, 50, 40, 30, 20, 10)
0 Press
11
c:::�:=J"
to confirm the setting
• Exit boost mode:
CD Timer finishes.
0 Press
II
I
Boost
I
II
again.
® Press
II
I
vent
I " to set supply and exhaust air volume, then
ERV will exit boost mode.
(Note)
■
Boost air volume will constant to 180 CFM when outdoor
temperature<14 °F.
■
For more detailed information on "Boost features and
functions" please refer to the FV-20VEC1 manual.
Filter reset
• When the filter requires cleaning,
11
✓ Filter
II
will display.
•Press
II
I
Filter
I
11
3 seconds to cancel the
11
✓
Filter
II
display
after filter maintenance.
(Note)
For more information on filter
maintenance, please refer to
the FV-20VEC1 maintenance
label on the front panel.
TROUBLESHOOTING
Filter maintenance
display
2nn
c
F
M
2nn
c
F
M
LIi.is,,,, UU""'""
'"'"' BBB'' BB
%
'"
Boostoa 8Bmla
In/Out
Time
Set
.._
T
OFF/ON Filter B
2nn
cFM
2""
CFM
UUsupp1y UUExhaust
'"'"' 888'' B8
%RH
Boostoa BBmla
In/Out
Time
Set
.&.
T
OFF/ON Filter
Vern
888"" 888""
Supply
Exhaust
ASHRAE
BB
min/h
FV-SW20VEC1
• If product is malfunctioning, a fault code will display. Please reference the following
codes below.
Fault code
Problem
Action
F01
Wall control communication error Please disconnect the power and contact the dealer
to check the wall control wiring connect
F02
Cosmos communication error
Please disconnect the power and contact the dealer
for repair
F03
PCB board error
Please disconnect the power and contact the dealer
for repair
-9-
