LG PAHCMR000 Installation Manual page 43

Address setting guide(Remote controller & Central control)
ODU Address
f)
LG centralized
controller or
DDC (Modbus)
a)
IDU Central
Control Address
No Contents
a) Main module
Communication
b)
module
c) RA temp. controller
d) Outdoor unit #1
e) Outdoor unit #2
LG central controller
f)
of DDC
NOTE
• Remote controller should be connected to PAHCMS000 and remote controller connected to
PAHCMR000 unit can only monitor status.
• LG Central controller addressing for discharge air temp. controller should be set as the same
address of the main module's address.
• Address of Comm. module of PAHCMS000 (Central control address) must be set to '00'.
The address for additional PAHCMR000 must be set with an order increasing by 1.
Also ODU address must be the same as the paired AHU controller.
• All PAHCMR000 units need to be set as Master mode.
• Once Main module is turned on,
It finds ODU from the ODU address 00→01→02→03
and finds Communication module from the IDU central controller address 00→01→02→03
and finds EEV module and then indicates total number of module.
(Comm. module + EEV module)
00
ODU
d)
#1
Central control
comm. line
(CEN A/B)
IDU comm. line
Module comm.
line
b)
01
00
Address setting
Address Method
By tact switch of
01
Main module
00 (Fixed)
By remote
controller
01 (Fixed)
00 (Fixed)
By tact switch of
outdoor unit
01 (Fixed)
By central
1 controller's
installation function
CONNECTION & SETTING GUIDE
01 02
ODU
e)
#2
c)
Discharge air temp. controller
Remote Controller
01
Note
For the Modbus communication - Please
see "Main Module Address Setting"
Please go to "Address Setting" of
installer setting
- Function code 02
The address of outdoor unit should be
same as communication Module of
PAHCMS000
It should be matched with Main
module's address
43
03