LG ARUM080LTE5, Engineering Product Data Book

Page: 784 / 797

Multi V 5
2. Control System List
14
Control System
Outline of system
Return
Air
Tempera
- ture
Control
•
LG Control : Fixed T
e
+ T
r
or T
Room
A fixed evaporating or condensing temperature of a DX coil (T
e
) can be controlled by either return air temperature (T
r
) or room air
temperature (T
Room
).
A fixed target evaporating or condensing temperature can be changed in MULTI V and Single outdoor unit setting.
•
DDC Control by Contact Signal : Fixed T
e
+ T
r
or T
Room
The DDC controls return air temperature (T
r
) or room air temperature (T
Room
) by transferring AI / DI / DO signal to the AHU
Communication Kit for Return air control.
A fixed target evaporator or condensing temperature (T
e
) can be changed in MULTI V and Single outdoor setting.
LG wired remote controller and LG Central Controller can be optionally applied, but only monitoring function is possible.
• 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))
DX
Coil
AHU
Room
AHU Controller
PAHCMR000
Outdoor Unit
LG Central
Controller
(Optional)
Remote
Controller
T
T
r
e
T
Room
.
DX
Coil
AHU
Room
PAHCMR000
AHU Controller
Outdoor Unit
DDC
(Field Supply)
Remote
Controller
(Monitoring)
.
AI / DI / DO
Signal
LG Central
Controller
(Monitoring only)
T
T
r
e
T
Room