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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.
Enable of ETO
Main indoor
unit
Enable of
entrance
Sub indoor
unit
DB68-11271A-02_IM_CAC Universal AHU Indoor_AA_EN_.indd 39
Enable of external
contact
X
X
X
O
O
X
O
O
Enable of external
contact
control
X
X
X
O
O
O
Error port output
N/A
Output due to an error
Output by ETO entrance conditions
(temperature / time / error occurrence)
Output by ETO entrance conditions
(temperature / time / error occurrence)
※ Ready to control the main contact input
Operation when outputting Main
N/A
On with the previous operation conditions
On with the entrance control enabled
English
39
2022-09-15 오전 9:53:25
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