Mitsubishi Electric LGF-100GX-E Handbook page 37

No. Error
3 Interlock operation
with external device
does not occur.
Note: When two remote controllers are used, the combination of the PZ-60DR-E and PZ-41SLB-E cannot be used.
System checklist when using the M-NET ( Table 1-2-2 )
No. Error
1 Lossnay does not in-
terlock with City Multi
indoor units. ( Lossnay
cannot be operated with
the ventilation button on
the ME remote control-
ler, MA remote controller
or MELANS. )
2 Cannot operate using
MELANS or the Lossnay
remote controller.
3 A Lossnay unit should
operate independ-
ently by MELANS or the
Lossnay remote control-
ler, but it interlocks with
different City Multi units.
Cause
The interlock mode is set to " ON Interlocked "
or " OFF Interlocked " with the remote controller
( PZ-60DR-E ) .
The interlock mode is set to " 2 " ( ON Interlocked )
or " 3 " ( OFF Interlocked ) with PZ-41SLB-E.
When PZ-60DR-E and PZ-41SLB-E are not used,
the delay setting switch ( SW5-1 ) on the Lossnay cir-
cuit board is set to ON. ( During the delay operation,
LED1 ( green ) on the Lossnay circuit board will be lit. )
When PZ-60DR-E and PZ-41SLB-E are not used,
the interlock mode setting switches ( SW5-7,
SW5-8 ) on the Lossnay circuit board are set to
" ON Interlocked " or " OFF Interlocked " .
When multiple Lossnay units are used, the
external control input signal is connected to a
unit set to " Sub " .
Remote/local switching ( CN32 ) is used.
Cause
Lossnay is not set for interlock operation,
or is set for interlock operation at the wrong
address.
The length of the M-NET transmission cable
wiring from the outdoor unit or the system's
overall wiring length is longer than specifi ed.
( Longer than 200 m from the outdoor unit,
longer than 500 m between ends. )
PZ-41SLB-E is connected to Lossnay.
The address that has been set for the group
in MELANS and the address for the Lossnay
are different.
The length of the M-NET transmission ca-
ble wiring from the power supply unit or
the system's overall wiring length is longer
than specifi ed. ( Longer than 200 m from the
power supply unit, longer than 500 m be-
tween ends. )
PZ-41SLB-E is connected to Lossnay.
It has been set for interlock operation with
the City Multi units.
─ 37 ─
Action
Check the Interlock mode set-
ting with the remote controller
( PZ-60DR-E ) . ( Refer to page 19 )
Check the Interlock mode setting
with the remote controller ( PZ-
41SLB-E ) . ( Refer to page 19 )
Check the setting of the delay
setting switch ( SW5-1 ) on the
Lossnay circuit board. ( Refer to
page 25 )
Check the setting of the inter-
lock mode setting switch ( SW5-
7, SW5-8 ) on the Lossnay cir-
cuit board. ( Refer to page 25 )
Connect the external control
input signal to the Lossnay unit
set to " Main. "
When Lossnay is interlocked
with external devices, remote/
local switching ( CN32 ) cannot
be used.
Action
Check the Lossnay address,
and set it for an address corre-
sponding to interlock operation.
Check the length of the trans-
mission cable wiring.
( See the technical manual for
details about the regulations. )
Change it to the PZ-60DR-E or
PZ-52SF-E remote controller.
( PZ-41SLB-E cannot be used
with the M-NET. )
Check the registered address
in MELANS.
Check the length of the trans-
mission cable wiring.
( See the technical manual for
details about the regulations. )
Change it to the PZ-60DR-E or
PZ-52SF-E remote controller.
( PZ-41SLB-E cannot be used
with the M-NET. )
Cancel the interlock operation
setting.