
External heater output
Function
setting
External Input and
Output PCB
External output Output signal Control
Rotary switch
60-11 — Output of indoor unit CN47
Off → On Heater on
On → Off Heater off
— 2, B, C
External Input and
Output PCB
Ex OUT 3
Off → On Heater on
On → Off Heater off
Output signal Condition
Off → On Heater turns on as shown in diagram of heating temperature
On → Off
Heater turns off as shown in diagram of heating temperature
• Other than Heating mode
• Error occurred
• Forced thermo off
• Fan stop protection
Specifications of the signal output performance are as shown as follows:
Example: When set temperature (Ts) is set at 22°C;
• And room temperature (Tr) increase above 12°C, signal output is on.
• And Tr increase above 21°C, signal output is off.
• And Tr decrease below 19°C, signal output is on.
• And Tr decrease below 10°C, signal output is off.
Off
Off
On
Tr-Ts
Tr-Ts=-1 °C
Tr-Ts=-10 °C
Tr-Ts=-3 °C
Tr-Ts=-12 °C
The output also turns off in defrost operation.
- 197 -
12-1. Compact cassette type, Medium static pressure duct type (ARXH22KMTAP), and
Ceiling type
12. External input and output
4-5 UNIT
MULTI-SPLIT TYPE
4-5 UNIT
MULTI-SPLIT TYPE
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