External Output - Fujitsu WSYA050ML3 Design & Technical Manual

7-2. External output

With using external output function, some status signals are transmitted to the control PCB, and the
related LED lamp indicates the status of this product.
¢ Base heater control output
Signal on air conditioner error status is generated when a malfunction occurs.
• Circuit diagram example
Outdoor unit
control PCB
Connector
12 V
1
On/
Off 2
1
On/
Off
2
This is the output signal for the base heater. The output signal is on, when the outdoor tempera-
ture drops below 2°C, and signal is off when it rises to 5°C.
Output signal
• Optional part
Part name
External connect kit
7-2. External output
Connected unit (Locally purchased)
Example:
Relay unit
10 m*¹
Signal
On
Off
Model name
UTY-XWZXZ3
•
•
AC power
〜
•
Heater*²
- (01-21) -
Output voltage (Vcc): DC 12
V 50 mA or less
*1: Make the distance from
the PCB to the connected
unit within 10 m.
*2: The allowable current is
1 A or less
Exterior
External output wire
7. External input and output (For WOYA100KLT)