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_TROUBLE SHOOTING GUIDE BOOK __
6.2 Set IDU Superheat / Set IDU Subcool
This function is used to set additional superheat and subcool in the indoor unit.
■ Setting the function
Function Option
Set IDU Superheat Id 2
seg1, seg2 : IDU No.
seg3, seg4 : IDU Superheat
Set IDU subcool Id 3
seg1, seg2 : IDU No.
seg3, seg4 : IDU Subcool
■ Option Selection
seg1, seg2
seg3, seg4
IDU Superheat IDU subcool
1 ~ 64 -9 ~ +9 -5 ~ +9
•
Set EACH IDU : Select "Idu" → "Id2 or 3" → EACH → Select Indoor Unit No. → Set Value
•
Set All IDU : Select "Idu" → "Id2 or 3" → ALL → Set Value
■ Detailed information
•
This function is used with heat pump and heat recovery.
•
In cooling mode,
1) IDU Superheat ▲ → refrigerant flow ▼ → refrigerant noise ▼ & performance ▼
2) IDU Superheat ▼ → refrigerant flow ▲ → performance ▲
(Caution to the performance down of other indoor units and liquid compression)
•
In heating mode,
1) IDU Superheat ▲ → refrigerant flow ▼ → refrigerant noise ▼ & performance ▼
2) IDU Superheat ▼ → refrigerant flow ▲ → performance ▲
(Caution to the performance down of other indoor units)
·Ask an authorized technician to setting a function.
6.3 Set Auto Pipe Detection / Start Auto Pipe Detection
The function that sets connection relationship automatically between the indoor unit and heat recovery unit.
■ Setting the function
Function Option
Set Auto Pipe Search Id 5 oFF, Ath, Atc, Nor
Start Auto Pipe Search Id 6 oFF, StA
■ Option Selection
Set Auto Pipe Detection Start Auto Pipe Detection
Option Detail of function Option Detail of function
oFF None (Default) oFF None (Default)
Ath Mode1 StA Start Pipe Search
Atc Mode2
- -
Nor Manual Pipe Search
- -
•
"Atc" Setting : Outdoor temperature is over 15℃(59℉) (If it fail, use "Ath")
• "Ath" Setting : Outdoor temperature is below 15℃(59℉) (If it fail, use "Atc")
■ Detailed information
1. Auto Pipe Detection
• 5~30 minutes are required depending on the number of the indoor units and outdoor temperature.
• The number of the indoor units connected is displayed on7
-
Segment of the outdoor unit main PCB
for about 1 minute.
• In case of auto pipe detecting error, '200' is displayed .
• Auto pipe detection process is completed after '88' is disappeared.
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