5. Input / Output Function
1. Simultaneous Operation / Stoppage
This function is for operating / stopping all the indoor units of the group, which is set by the central station, by the
external contact signal.
2. Simultaneous Operation
This function is for operating all the indoor units of the group, which is set by the central station, by the external
pulse signal.
3. Simultaneous Stoppage
This function is for stopping all the indoor units of the group, which is set by the central station, by the external
pulse signal.
4. Emergency Stop Signal Connection Function
This function is for stopping all the air conditioners connected with the central station by the external emergency
stop signal.
*When other central controller is used together with, even in the state of emergency stop, the RUN / STOP
operation by other central controllers is available.
5. Demand Control Function
The peak-cut according to the electricity is available by the control of air conditioners with the control signal from
the demand control. The group set by the central station is operated by the demand signal as follows.
Demand Signal ON *1 Demand Signal OFF *2
Demand 1
Indoor Unit Stop
(Remote Control Inhibited)
Back to the former state of operation
Demand 2 *3 *4
COOL, DRY
FAN
HEAT
STOP
(Remote Control Inhibited)
Demand 3 *3 *5
The setting temperature is set as follows;
COOL, DRY...28
o
C
HEAT...20
o
C
*1: The control is performed every 15 seconds for the zone, which is subject to demand control, in
descending order of the zone No..
*2: The control is performed every 15 seconds for the zone, which is subject to demand control, in
ascending order of the zone No..
*3: During automatic cooling / heating operation, the activation of "Demand 1" is executed.
*4: For the group with the optional setting of fi xing operation mode, the activation of "Demand 1" is
executed.
*5: For the group with the optional setting of fi xing operation mode or fi xing set temperature, the
activation of "Demand 1" is executed.
6. Simultaneous Operation Output
This function is for outputting signal outward in the case where there is any air conditioner in operation in the
group set by the central station.
7. Simultaneous Alarm Output
This function is for outputting signal outward in the case where there is any air conditioner in abnormal condition
in the group set by the central station.
The input function is set by DSW2 as shown in the table below.
Function
DSW Pin No.
Remarks
1234
Simultaneous Operation / Stoppage
(Level)
OFF * OFF OFF CN2 1-2 Pin Contact Connection
Simultaneous Operation / Stoppage
(Pulse)
ON OFF OFF OFF CN2 1-2 Pin Contact Connection
Emergency Stop OFF ON OFF OFF CN2 2-3 Pin Contact Connection
Demand 1~3 OFF OFF OFF OFF CN2 2-3 Pin Contact Connection
*Both ON and OFF setting are available. Set ON or OFF by the emergency stop or the demand function.
CN2
CN3
Cable with Connector(Option):PCC-1A
Non-Voltage A Connection Input
RYa
R
Cable More Than 0.5mm
2
(Field-Supplied, Max. length: 70m)
3
2
1
3
2
1
Specifi cations of Required Components:
• DC12V Non-Voltage A Connection
• OMRON MY Relay
• PCC-1A
As for demand input, the group to be controlled
can be set when signal is input.
The central station has two input functions and two output functions as shown below.
HYJE-D02H
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