248 249
_TROUBLE SHOOTING GUIDE BOOK __
5.8 Noise Reduction
It is a function to reduce the noise of the entire system.
■ Setting the function
Function Option
Noise Reduction SE 9 oFF, op1~op2
■ Option Selection
Option Detail of function
oFF Normal operation (Fast cooling & Fast heating)
op1 Powerful Refrigerant noise reduction
op2 Mild Refrigerant noise reduction Mode
•
oFF : Performance priority
•
op1 : Refrigerant noise reduction priority
(Initial indoor EEV 120 pls / compressor Hz slow up, Europe model default)
•
op2 : Mid mode between OFF and OP1
(Initial indoor EEV 150 pls)
■ Detailed information
•
This function is used with heat pump and heat recovery.
•
In case of SE9, it is an option to set control based on an outdoor unit. It is a function to control
(reduce) the noise of the entire system, not to control noise in individual indoor units.
That is, it is all indoor unit control, not individual indoor unit control. Individual indoor unit control is
possible through indoor unit setting option.
•
Differences between SE9 and SE11
-
SE9 (Noise Reduction): outdoor unit noise control + indoor unit noise control
-
SE11 (Heating fan Low noise): outdoor unit fan noise control
(control factor : the outdoor temperature, heat exchanger temperature, indoor unit operation rate,
not always controlled)
·Ask an authorized technician to setting a function.
·Change a power consumption or efficiency.
5.9 Entry Heating Oil Return
This function is for performing oil recovery operation while heating operation.
The refrigerant noise claim occurs due to repetition of oil recovery operation, this function will be checked
and applied.
■ Setting the function
Function Option
Entry Heating Oil Return SE 10 oFF, on
■ Option Selection
Option Detail of function
oFF Default
on Operate entry heating oil return
■ Detailed information
•
This function is used with heat pump and heat recovery.
•
If the oil level is not recovered and cycle issue such as high pressure rise / low-pressure drop
after the oil recovery in the heating mode, the oil recovery is performed in the cooling mode.
•
It is effective if the heating operation rate is high and the possibility of occurrence of cycle issue is
low due to installation / operation conditions. however, if a cycle issue occurs, it may be ineffective
by re-entering the cooling mode.
·Ask an authorized technician to setting a function.
·If a cycle issue occurs, check the cycle by performing forced oil recovery operation (SE5).
Basic PartBasic PartBasic PartBasic Part
To Next Page
Loading...
Need help?
General
