¢ Base heater
This is the output signal for base heater.
• The output signal is on under all of the following conditions.
– The outdoor temperature goes down below 2°C
– The outdoor unit is operating
• The output signal is off under any of the following conditions.
– The outdoor temperature is over 4°C
– The outdoor unit is stopped
1
2
3
4
CN115
(Black)
Voltage: *³
Base heater *
2
*
1
PCB
18 AWG (0.82 mm
2
)
*
1
:
Connect to pin no.1 and pin no.3. No connection to pin no.2 and pin no.4.
*
2
:
The allowable current is 1 A or less.
*
3
:
Refer to the value of terminal output voltage written in "Outdoor unit external output func-
tion" on page 08-7.
2-5. Optional parts
External connect kit
Model name Exterior Q’ty Usage
UTY-XWZXZ6 1
For external input.
(Low noise mode, Cooling/Heating priority,
Outdoor unit operation peak control, Emergency/
Batch stop)
For external output.
(Error status, Operation status)
UTY-XWZXZ9 1
For external output.
(Base heater)
UTY-XWZXZF 1
For external input.
(Electricity meter pulse)
2-4. External output - (08-6) - 2. Outdoor unit
EXTERNAL INPUT
AND OUTPUT
EXTERNAL INPUT
AND OUTPUT
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