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3-3-3. Combination of external input and output
By combining the function setting of the indoor unit and rotary switch setting of the External input
and output PCB, you can select various combinations of functions.
Combination examples of external input and output are as follows:
External
Function
input and
Mode
setting
output PCB
(Rotary SW)
0-1
60-00
0-2
60-00
60-01 to
1—8
60-08
9
60-09
10
60-10
11
60-11
External
Function
input and
Mode
setting
output PCB
(Rotary SW)
0-1
60-00
0-2
60-00
60-01 to
1—8
60-08
9
60-09
10
60-10
11
60-11
NOTE: Input of Operation/Stop depends on the setting of function setting 46.
00: Operation/Stop mode 1 (R.C. enabled)
01: (Setting prohibited)
02: Forced stop
03: Operation/Stop mode 2 (R.C. disabled)
Input signal type
• Indoor unit
Input signal type is only "Edge".
• External input and output PCB
The input signal type can be selected.
Signal type (edge or pulse) can be switched by the DIP switch 2 (SW2) on the External input
and output PCB.
Edge
Indoor unit
Input
Terminal
1
Operation/Stop
2
Operation/Stop
3
-
, 9
A
B
Operation/Stop
C
Operation/Stop
D
Operation/Stop
Indoor unit
Output
CN47
1
Operation/Stop
2
Operation/Stop
3
-
, 9
A
B
Error status
Indoor unit fan
C
operation status
External heater
D
output
Edge
Pulse
03-14
External input
External input and output PCB
Input 1
Operation/Stop
Not available
Operation
Forced
Not available
Thermostat OFF
S (
e
t t
n i
g
p
o r
h
i b i
Forced
Not available
Thermostat OFF
Forced
Not available
Thermostat OFF
Forced
Not available
Thermostat OFF
External output
External input and output PCB
Output 1
Operation/Stop
Error status
Indoor unit fan
Error status
operation status
S (
e
t t
n i
g
p
o r
h
i b i
Indoor unit fan
Operation/Stop
operation status
Operation/Stop
Error status
Indoor unit fan
Operation/Stop
operation status
The width of pulse must be longer than 200 msec.
Input 2
Signal type
Edge
Stop
Pulse
Edge
e t
) d
Edge
Edge
Edge
Output 2
Output 3
Indoor unit fan
operation status
External heater
output
e t
) d
External heater
output
External heater
output
Error status
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Troubleshooting
