LG ARUM080LTE5 Engineering Product Data Book page 785

Multi V 5
2. Control System List
•
DDC Control by Modbus : Fixed T
Return
Air
Tempera-
ture
Control
The DDC controls return air temperature (Tr) or room air temperature (TRoom) by transferring Modbus signal to the AHU
Communication Kit for Return air control.
To control room air, the LG wired controller can be purchased optionally.
A fixed target evaporator or condensing temperature (T
•
LG Control : Variable T
Discharge
Air
Tempera-
ture
Control
The Communication Kit for Discharge Air Temperature Control is single-handed able to cover this function.
The Communication Kit adjusts the evaporating or condensing temperature (Te) by monitoring the supplied air temperature (T
in order to meet the required set target (T
• If you need more detail, please refer to the Control PDB or the manual of product.
(http://partner.lge.com/global : Home> Doc.Library> Product > Control(BECON))
15
Outline of system
+ T or T
e r Room
.
T
Room
Room
Remote
Controller
(optional)
T
r
DX
Coil
AHU
T
e
+ T
e d
Room
Remote
Controller
T
d
DX
Coil
AHU
T
e
).
d
DDC
(Field Supply)
Modbus
AHU Controller
PAHCMR000
) can be changed in MULTI V and Single outdoor setting.
e
AHU Controller
PAHCMS000
Control System
LG Central
Controller
(Optional)
Outdoor Unit
LG Central
Controller
by Modbus
Outdoor Unit
d
)