System Control - Mitsubishi Electric PL18FK2 Service And Parts Manual

SYSTEM CONTROL
1 . VARIETY OF SYSTEM CONTROL FUNCTIONS
ITJGroup control by a
single remote con-
troller.
(See page 82
.)
OControl using two
remote controllers
(See page 83.)
3160th remote ON/
OFF and individual
controls
(See page 83.)
qlndividual control by
gathering remote
controllers
(See page 84.)
QMultiple remote
control display
(See page 85.)
gAUTO RESTART
FUNCITON
(See page 85.)
Unit Unit Unit
Remote
controller
A number of units, installed at different locations can be
started and controlled with a single remote controller. The
remote controller can be mounted in a remote location
using a non-polar two-wire cable, which can be extended
up to
550
yards. A maximum of
50
units are controllable
by a single remote controller. All units operate in the same
mode.
u
Unit Unit Unit
Two remote controllers can be used to control either one
unit or several units in group control. This enables to
control units with ease either from a distance or at close
range. Units operate according to the latest command
from either remote controller.
Remote
controller
Opt~onal All units can be turned on or off simultaneously using the
adapter
Relay box
remote ON-OFF switch. Besides each unit can be
controlled individually by each remote controller. During
remote ON-OFF control, a message of "CENTRALLY
CONTROLLED" is displayed on the LCD of the remote
controller.
Remote Remote
O N / O F F
This method is available for both one unit control and
controller
switch
several units control.
By gathering remote controllers to one place, several units
installed at different locations can be controlled individu-
ally, and operation conditions of all units are visible with-
out a special control board. Control method is the same as
that of the single unit with a single remote controller.
Remote
controller
Several units can be controlled by remote control display
board. Operation conditions of all units are visible with the
remote control display board.
Individual control by each remote controller is also avail-
able.
Remote control Remote
display board controller
Units can be started or stopped by circuit breaker on or
n f f
" , , .
Circu~t breaker
Remote controller is also available.
By this function, when the power is restored after power
Remote
failure, the unit restarts automatically.
controller