LG Split DOAS Set Up Reference Guide
This guide is provided to assist in the proper field configuration of this product.
TM
Multi V 5
System Setting
: Multi V 5 system automatically detects the DOAS system without 'Auto Addressing'
Check the SW version of MV 5 system, which is connected to DOAS system
Note : CH200 will occur if you proceed auto addressing, CH200 can be cleared when user
does a 'Factory Reset' of HR PCB in DOAS unit.
‐. LG Split Rooftop DOAS : ARND30UBE4 requires latest
MV 5 SW Version : v.1.47.0 (Check Sum: 4693) – Production date(Mar.'22)
‐. LG Split Compact DOAS : ARND153DCR4, ARND203DCR4 requires latest
MV 5 SW Version : v.1.49.0 (Check Sum: 2291) – Production date(May.'22)
:
Do not use
the following functions of Multi V 5, which could interrupt proper Target Pressure
control of DOAS
‐. FN7 (Adjusting Indoor unit Capacity by airflow)
‐. FN8 (Adjusting Target Pressure)
‐. FN14 (Smart Load Control)
‐. FN30 (High Sensible Operation)
‐. SE14 (Level Change of Error Code CH200)
‐. ID5 (Auto Addressing_method selection)
‐. ID6 (Auto Addressing Start)
: Based on the DOAS Fan control Setting in ODU Defrost mode at DOAS Controller(Web UI),
FN27 will not activate
DOAS System Setting
: DOAS Setting can be done with Keypad and Web UI by connecting Ethernet port to Laptop
Web UI configuration is recommended to set and operate the DOAS unit
* Web UI
: The appearance of DOAS Controller is same as AHU Comm.kit. However, since
completely different software is loaded, do not try to implement the functions in
AHU Comm.kit with DOAS Main module.
Don't change any Dip SW Setting on Main Module
: All the DOAS Control Logic is embedded in this Main Module, and it transfers the data
to CAREL Controller to offer WEB User Interface and easy configuration.
: During the unit's operation, Red dots will cycle on 7‐Seg display.
It is normal operation condition.
This guide is provided as reference material. Please follow the instructions in the applicable manual(s) to prevent product malfunction,
property damage, injury, or death to the user or other people. Incorrect operation due to ignoring any instructions will cause harm or damage.
For continual development, LG Electronics U.S.A., Inc. reserves the right to change specifications without notice.
*DOAS unit includes HR box inside of the unit
* Main Module