LG AR-DR12-05A Installation And Operation Manual page 103

Service Password
A service password is required to change or enter some settings. To obtain service-level access:
1. Go to Main > Ctrl Variables > Advanced > Login > Password.
2. Change password "0000" to "4800".
3. The Advanced Menu should display "F" in the upper right hand corner.
Startup Settings
Most controller settings are configured at the factory, however, the settings described below must be defined before unit startup. Service-lev-
el access is required to enter or change these settings. See the "Service Password" section above.
• Time and Date: Go to the Main > Ctrl Variables > Advanced > Unit Settings screen.
• Altitude: Go to the Main > Ctrl Variables > Advanced > Unit Settings screen
• IP Address: Go to the Main > Ctrl Variables> Advanced > Network Settings screen
• BMS / AC Smart Communication: Go to the Main > Ctrl Variables > Advanced > Network Settings screen to set up network communication.
AC Smart should be set to "MODBUS" protocol.
pLAN Addresses
Control components are assigned the following pLAN addresses at the factory:
• CAREL c.pCO Main Controller: 01
• CAREL c.pCOe Expansion Boards: 02, 03, 04, 05, 06, 07
• Optional Handheld Keypad / Display: 32
pLAN addresses are visible on the main controller and on c.pCOe expansion boards
as shown.
Expansion Board Addresses and DIP Switch
Settings
Rooftop DOAS units use CAREL c.pCO and c.pCOe expansion boards when addi-
tional inputs or outputs are required.
• See the following pages for standard terminal connection points and other informa-
tion for c.pCOe expansion boards.
• See wiring schematics shipped with the unit for factory-configured expansion board
connection points.
Table 6: DIP Switch Settings for CAREL c.pCOe Expansion Board.
Expansion
Address Offset
Board
Exp 1 2 No
Exp 2 3 No
Exp 3 4 No
Exp 4 5 No
Exp 5 6 No
Exp 6 7 No
Baud
Protocol
Rate
19.2 K MODBUS Off On
19.2 K MODBUS Off On
19.2 K MODBUS On Off
19.2 K MODBUS On Off
19.2 K MODBUS On On
19.2 K MODBUS On On
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
Figure 52: pLAN Address Windows.
Figure 53: CAREL c.pCOe Expansion Board with DIP
Switch Locations.
Address
1
2
3
4
5
6
7
8
ON
OFF
Address
Ext Baud Prot
Off Off Off Off Off
On Off Off Off Off
Off Off Off Off Off
On Off Off Off Off
Off Off Off Off Off
On Off Off Off Off
CONTROLLER
pLAN address windows
The main controller's pLAN address is 01.
c.pCO expansion board pLAN addresses are:
02, 03, 04, 05, 06, or 07.
Ext Baud Prot
1 9
2 10
3 11
4 12
5 13
6 14
9
7 15
10
11
8
19.2 K 1 1 9 9 .2 9 2 2 K K
12
13 9 . 9 9.6 K . 6 6 K K
14
3 3 8 38.4 K 8 8 .4 4 4 K K CAREL CARE REL
15
5 7 5 57.6 K 7 .6 6 6 K K Modbus Modbu odbus s ON
OFF
Ext. Baud Prot Address
Overview
19.2 K
9.6 K
38.4 K CAREL
57.6 K Modbus
Ext. Baud Prot
103