INDOOR UNIT1-2.
External input External output Input select Connector External connect kit
(Optional parts)
Control input -
Apply voltage CNA01 UT Y-XWZXZB
Dry contact CNA02 UTY-XWZXZD
Forced thermostat off -
Apply voltage CNA03 UTY-XWZX Z7
Dry contact CNA04 UTY-XWZXZE
- Operation status
- CNB01 UTY-XWZXZC
- Error status
- Indoor unit status
- Auxiliary heater output
EXTERNAL INPUT1-2-1.
Indoor unit can be Operation/Stop or Emergency stop or Forced stop by using indoor unit PCB CNA01 or ●
CNA02.
"Start/Stop" mode or "Emergency stop" mode or "Forced stop" mode can be selected with function setting of ●
indoor unit.
Indoor unit can be Forced thermostat off by using indoor unit PCB CNA03 or CNA04. ●
A twisted pair cable (22AWG) should be used. Maximum length of cable is 150m. ●
Use an external input and output cable with appropriate external dimension, depending on the number of cables ●
to be installed.
The wire connection should be separate from the power cable line. ●
INPUT SELECT
Use either one of these types of terminal according to the application. (Both types of terminals
cannot be used simultaneously.)
Apply voltage terminal ([CNA01], [CNA03])
z
When a power supply must be provided at the input device you want to connect, use the Apply
voltage terminal ([CNA01], [CNA03])
Input device 1
Input device 2Input device 3
Load
resistance
Load
resistance
Load
resistance
*9
DC power
supply 12 - 24V
connected unit
P.C. B
CNA01
CNA03
*a
*a
*a
*b
*9: Make the power supply DC12 to 24V. Select a power supply capacity with an ample surplus for the
connected load.
Do not impress a voltage exceeding 24V across pins 1-2, and 1-3.
*a: The allowable current is DC 5mA to 10mA. (Recommended: DC5mA)
Provide a load resistance such that the current becomes DC10mA or less.
Select very low current use contacts (usable at DC12V, DC1mA or less).
*b: The polarity is [+] for pin 1 and [-] for pin 2 and 3. Connect correctly.
- (08 - 08) -
EXTERNAL INPUT
& OUTPUT
EXTERNAL INPUT
& OUTPUT
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