LG Multi V 5 - IDU Mode; EEV Pulse of Non-Operating IDU in Heating

252 253
_TROUBLE SHOOTING GUIDE BOOK __
5.12 Level Changes of CH200
4.13 Level Changes of CH53
It is a function to change CH200 error level.
■ Setting the function
Function Option
Level Changes of CH200 SE 14 oFF, on
■ Option Selection
Option Detail of function
oFF level 3 (CH200 display, system off, default)
on level 4 (CH200 display, system 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.
It is a function to change error level in the state of CH53.
■ Setting the function
Function Option
Level Changes of CH53 SE 15 oFF, on
■ Option Selection
Option Detail of function
oFF level 4 (CH53 display, system on, default)
on level 4 (CH53 display, system 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.
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 Option
EEV Pulse of Non
- operating
IDU in Heating
Id 1
seg1, seg2 : IDU No.
seg3, seg4 : EEV * 10pls
■ Option Selection
seg1, seg2 seg3, seg4
1 ~ 64 40 ~ 120 * 10pls
• 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.
Basic Part
Multi V 5
Intorduction
Trouble Shooting
Function Control
Back
Basic PartBasic PartBasic PartBasic Part