Set Idu Superheat; Set Idu Subcool; Set Auto Pipe Detection; Start Auto Pipe Detection - LG MULTI V 5 Manual 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

Set IDU Superheat

Id 2

Set IDU subcool

Id 3
■ Option Selection
seg1, seg2
IDU Superheat
1 ~ 64 -9 ~ +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.
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Option
seg1, seg2 : IDU No.
seg3, seg4 : IDU Superheat
seg1, seg2 : IDU No.
seg3, seg4 : IDU Subcool
seg3, seg4
IDU subcool
-5 ~ +9
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
Set Auto Pipe Search Id 5
Start Auto Pipe Search Id 6
■ Option Selection

Set Auto Pipe Detection

Option Detail of function
oFF None (Default)
Ath Mode1
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.
Option
oFF, Ath, Atc, Nor
oFF, StA

Start Auto Pipe Detection

Option Detail of function
oFF None (Default)
StA Start Pipe Search
- -
- -
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