26
Installation Procedure
English
Instal
lation Pr
oc
edur
e
2
Sub indoor unit
– (Required) Enable the external contact control (with the installation option SEG14 - Reverse Control).
– Connect the S-net pro2 to F1 and F2.
– Enable the entrance control and set the mode, set temperature, and fan speed.
[Main]
[Sub]
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 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)
※ Ready to control the main contact input
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
DB68-11272A-00_IM_CAC WindFree1,4way_AA_EN_.indd 26
DB68-11272A-00_IM_CAC WindFree1,4way_AA_EN_.indd 26
2021-09-17 오후 12:14:18
2021-09-17 오후 12:14:18
