2WAY VRF SYSTEM
Control Functions
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12. Other Functions
3WAY SYSTEM
Control Functions
13. Other Functions
(2) Maintenance Function for Power Supply Stop of Indoor Unit (E06 ignore)
The system can continue operation even if outdoor unit cannot communicate with some indoor units.
It is necessary to set to EEPROM the allowed number of operating indoor units not to be able to communicate.
The system will continue operating until the following condition is made to be satisfied.
Value set by the code “23” ≥ No. of indoor units operated until the last moment because of communicative
disorder caused by power supply stop (excluding stopped indoor units).
However, the upper limit value set by the code "23" must be less than 25% of the total number of indoor units
of the system.
EEPROM setting in main outdoor unit
* However, the upper limit value set by the code "23" must be less than 25% of the total number of indoor
units of the system.
CODE: 23
O
N
O
N
O
N
ON
ON
OFF
OFF
OFF
O
N
O
N
O
N
ON
ON
OFF
OFF
OFF
O
N
O
N
O
N
ON
ON
OFF
OFF
OFF
Operation continue: Stopped units does not count
Normal operation
Error occurs: Indoor unit failure=3 > Setting No. “2”
Operation continue: Indoor unit fail
ure=2 ≤
Setting No. “2”
Allowed number of missing indoor unit
Setting No.
-1
This function is invalid
(factory preset mode)
Interval of “1”
0
0
1
1
2
2
16
16
Never use
17
64
Examples :
In case of 8 indoor units
, setting N
o. becomes “2”.
SM830237-07_北米向け2WAY_VRF.indb 41
18/06/19 18:55:36