ETO operation specifications
1
Main indoor unit
–
Based on the external contact control settings, the main indoor unit decides whether to generate output when an
error (indoor unit stop) occurs.
–
Based on the ETO settings, the main indoor unit decides whether to generate output according to the temperature
and time conditions.
2
Sub indoor unit
–
Based on the entrance control settings, the sub indoor unit decides the mode, set temperature, and fan speed when
contact inputs are given.
Main indoor unit
Enable of entrance control
Sub indoor unit
Enable of ETO
Enable of external contact
X
X
O
O
Enable of external contact
X
X
O
X
O
Output by ETO entrance conditions
X
(temperature / time / error occurrence)
Output by ETO entrance conditions
O
(temperature / time / error occurrence)
Operation when outputting Main
X
O
On with the previous operation conditions
O
On with the entrance control enabled
Error port output
N/A
Output due to an error
N/A
English
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