En-4
1
Fig.
Central remote
controller
Refrigerant
system 1
Refrigerant
system 2
2
Fig.
Separation when
terminal block used
Central remote
controller
Refrigerant
system 1
Refrigerant
system 2
3
Fig.
Central remote
controller
Refrigerant
system 1
Refrigerant
system 2
INSTALLATION METHOD
6.
Selecting the Method of Installation
6. 1.
The following are the 2 methods for installing the central remote
controller based upon the installation method of the control unit and
power supply unit.
A. Control unit and power supply unit together (Fig. A)
B. Control unit and power supply unit separately (Fig. B )
A
Fig. B
Fig.
Preparing Installation
6. 2.
Controller unit
6. 2. 1
Remove the screw (1 pc).
(1)
Remove the claws (2 places) with a
fl
at-blade screwdriver, and
(2)
separate the front panel and rear panel.
Front panel
Rear panel
Screwdriver
Claws
Disconnect the connection cable connector from the connector
(3)
(CN13) of the front panel PC board.
Rear panel
Front panel
CN13
Connection cable
Power supply unit
6. 2. 2
Remove the screws (4pcs).
(1)
Remove the cover.
(2)
cover
DIP Switch Setting
6. 3.
CAUTION
Use an insulated screwdriver to set the DIP switches. Do not touch
the DIP switch with your hands.
Before using this product, always set DIP switch (SW1)-No.1 to
▪
“ON”.
If not set, when the main power is turned on again, the set data by
menu operation will be erased and cause erroneous operation.
Do not change the setting of other switches.
▪
[DIP Switch(SW1)]
Performs the enabling/disabling of the backup function by the inter-
▪
nal battery.
It is disabled when shipped from the factory to prevent consumption
▪
of the charge.
1 2 3
ON
OFF
DIP Switch (SW1)
