Mitsubishi Electric LOSSNAY LGH-F300RX5-E Handbook page 53

No. Error
4 Lossnay operates when
the main power is turned
on.
5 Takes in air from out-
doors during interlocked
operation with a Mr. Slim
or a City Multi, but sup-
ply air fan does not stop
when defrosting.
6 The supply air fan and
exhaust air fan both pe-
riodically stop operating.
7 Fan speed does not
change.
Cause
When PZ-60DR-E is used, " RECOVERY
SETTING " is set to " on " or " AUTo " with the
function selection of the remote controller.
When PZ-60DR-E is not used, the function
selection switches ( SW2-6 or SW5-4 ) on the
Lossnay circuit board are set to ON.
When PZ-41SLB-E is used, the main power
supply was turned off during operation.
The outdoor air intake setting of the PAC
indoor unit or the PAC remote controller is
not enabled.
In a system that Lossnay has duct con-
nections and interlocked with Mr. Slim or
City Multi indoor units, when " EA SETTING
DEFROST " is set to " oFF " with PZ-60DR-E,
or when the function selection switch ( SW5-
3 ) on the Lossnay circuit board is ON, the
fans stop during air conditioner defrosting.
High/Low/Extra Low fan speed switching
external input ( CN16 ) is ON.
When PZ-60DR-E is used, " POWER VENT
START " is set to " on " with the function selec-
tion of the remote controller.
When PZ-60DR-E is not used, the function
selection switch for " Power supply/exhaust
when operation starts " ( SW2-3 ) on the
Lossnay circuit board is set to ON.
When PZ-60DR-E is used, the supply fan
speed setting and the exhaust fan speed
setting are set to " L " with the function selec-
tion of the remote controller.
When PZ-60DR-E is not used, the function
selection switches for " Supply fan fixed at
Low speed " , and " Exhaust fan fixed at Low
speed " ( SW2-4, SW2-5 ) on the Lossnay
circuit board are set to ON.
Trial operation switch ( SW2-1 ) on the
Lossnay circuit board is set to ON.
In a mixture of the LGH-F300 to F600 types
and the LGH-F1200 type, the LGH-F1200
type is set to " Main " . ( Extra Low fan speed
operation is not available. )
─ 53 ─
Action
Check the power supply ON/
OFF/AUTO setting with the PZ-
60DR-E function selection. ( Refer
to page 33 )
Check the function selection
switches ( SW2-6 or SW5-4 ).
( Refer to page 30 )
When PZ-41SLB-E is used, the
operation prior to switching off
the power will return when the
main power supply is turned on.
Switch off the main power supply
approximately 10 seconds after
Lossnay stop with the remote
controller.
Set the outdoor air intake to " ON "
with the indoor unit or the PAC
remote controller.
Check the exhaust operation
setting for air conditioner defrost-
ing with the PZ-60DR-E function
selection, or the function selec-
tion switch ( SW5-3 ) . ( Refer to
page 30 and 34 )
Check the High/Low/Extra Low
fan speed switching input ( CN16 ) .
( Refer to page 25 and 26 )
Check the setting of " power
supply/exhaust when operation
starts " with the PZ-60DR-E func-
tion selection. ( Refer to page 33 )
Check the function selection
switch ( SW2-3 ) .
( Refer to page 30 )
Check the supply fan speed set-
ting and the exhaust fan speed
setting with the PZ-60DR-E func-
tion selection. ( Refer to page 33 )
Check the function selection
switches ( SW2-4, SW2-5 ) .
( Refer to page 30 )
Check the trial operation switch
( SW2-1 ) . ( Refer to page 30 )
Set the LGH-F300 to F600 types
to " Main " and the LGH-F1200
type to " Sub " .
( Refer to page 31 )