Idu Mode; Eev Pulse Of Non-Operating Idu In Heating - LG MULTI V 5 Manual Book

5.12 Level Changes of CH200
It is a function to change CH200 error level.
■ Setting the function
Function
Level Changes of CH200 SE 14
■ Option Selection
Option
oFF
on
■ Detailed information
• This function is used with heat recovery.
• In case CH200 occurs because of communication error or individual breaker,
- Option is 'ON' → Changes to level4 and system on with CH200 display
- Option is 'OFF' → Changes to level3 and system off with CH200 display.
4.13 Level Changes of CH53
It is a function to change error level in the state of CH53.
■ Setting the function
Function
Level Changes of CH53 SE 15
■ Option Selection
Option
oFF
on
■ Detailed information
• This function is used with heat pump and heat recovery.
• In case CH200 occurs because of communication error or individual breaker,
- System operation is possible with level4 regardless of option setting.
- But after setting the option 'on', if CH21, 26, 29, or 116 occurs in the state of CH53, the system
will not operate because it is switched to level 1.
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Option
oFF, on
Detail of function
level 3 (CH200 display, system off, default)
level 4 (CH200 display, system on)
Option
oFF, on
Detail of function
level 4 (CH53 display, system on, default)
level 4 (CH53 display, system on)

6. IDU Mode

6.1 EEV Pulse of Non-operating IDU in Heating

It is the function to adjust EEV pulse of no IDU in heating.
■ Setting the function
Function
EEV Pulse of Non-operating
Id 1
IDU in Heating
■ Option Selection
seg1, seg2
1 ~ 64
• EEV pulse can be set in units of 10pls from 150 to 300pls. ('0': No setting)
■ Detailed information
• This function is used with heat pump and heat recovery.
• It is a function to take action in case of unusual issue in the field.
ex) EEV pulse of indoor unit is typically 80pls. (different by model)
① Claims due to refrigerant noise in non-operating IDU → EEV pulse ▼
② Refrigerant shortage cycle non-operating IDU during low load operation → EEV pulse ▲
·Ask an authorized technician to setting a function.
· If the EEV pulse is large, the risk of noise generation may increase and if the EEV pulse is small, the
risk of liquid accumulation may increase.
Option
seg1, seg2 : IDU No.
seg3, seg4 : EEV * 10pls
seg3, seg4
40 ~ 120 * 10pls
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