Table of Contents
Advertisement
Connector
Function
No.
SW01
External static
pressure
SW02
Fan output
CN32
HA
CN61
Optional output
CN60
External error input
CN213
CHK
CN71
Operation check
DISP
CN72
Display mode
EXCT
CN73
Demand
P.C. Board Optional Switch/Connector Specifications
Pin
Specifications
No.
No use
Bit 1
Input
Bit 2
No use
Bit 1
Bit 2
Input
1
DC12 V
2
Output
1
Start / stop input
2
0 V (COM)
3
Remote controller disabling input
4
In-operation output
5
DC 12 V (COM)
6
Alarm output
1
DC12 V (COM)
2
Defrost output
3
Thermo-ON output
4
Cooling output
5
Heating output
6
Fan output
1
DC5 V (COM)
2
External error input
1
Check mode input
2
0 V
1
Display mode input
2
0 V
1
Demand input
2
0 V
Turn the switch to ON, when using the external static pressure function.
SW01
OFF
<Bit 2>
SW02
OFF
<Bit 2>
0.008 psi (55 Pa)
External static
pressure
(Default)
Setup at shipment: Linked operation of ON with operation of
indoor unit and OFF with stop
* The setup of single operation by FAN button on remote
controller is executed from remote controller. (DN = 31)
Start / stop input for HA (J01: In place / Removed =
Pulse input (factory default) / Step input)
Enables / disables start / stop control via remote controller
ON during operation (HA answerback signal)
ON while alarm ON
ON during defrosting of outdoor unit
ON when Real thermo. ON (Comp. ON)
ON when operation mode is cooling line
(Cool, Dry, Cooing/Heating AUTO cooling)
ON when operation mode is heating line
(Heat, Cooling/Heating AUTO heating)
ON when indoor fan is ON
Generates test code "L30" and automatically shuts down air
conditioner ( only if condition presists for 1 minute) (DN:2A = 2, at
shipment from factory)
This check is used for operation check of indoor unit.
(The specified operation such as indoor fan "H", drain pump ON,
etc. is executed without communication with outdoor unit or
remote controller.)
Display mode, communication is enabled by indoor unit and
remote controller only.
(When power supply is turned on.)
Timer short (Usual)
Indoor unit forced thermo-OFF operation
– 26 –
Remarks
ON
OFF
ON
OFF
ON
ON
0.013 psi
0.017 psi
0.006 psi
(90 Pa)
(120 Pa)
(40 Pa)
Advertisement
Table of Contents
