Samsung AC BNZDCH Series - Page 39

39
English
Installation
ETO operation specications
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 ETO
Enable of external
contact
Error port output
X X N/A
X O Output due to an error
O X
Output by ETO entrance conditions
(temperature / time / error occurrence)
O O
Output by ETO entrance conditions
(temperature / time / error occurrence)

Sub indoor
unit
Enable of
entrance
control
Enable of external
contact
Operation when outputting Main
X X N/A
X O On with the previous operation conditions
O O On with the entrance control enabled
DB68-11271A-02_IM_CAC Universal AHU Indoor_AA_EN_.indd 39 2022-09-15 오전 9:53:25