49
Installation
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.
CONTROLLER
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.
Table 21: DIP Switch Settings for CAREL c.pCOe Expansion Board.
Figure 69: pLAN Address Windows.
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.
Figure 70: CAREL c.pCOe Expansion Board with DIP
Switch Locations.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
19.2 K
9.6 K
38.4 K
57.6 K
CAREL
Modbus
ON
OFF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
19.2 K
9.6 K
38.4 K
57.6 K
CAREL
Modbus
ON
OFF
Address
1
19
9
9.2
2
2
K
K
9
9.
.6
6
K
K
3
38
8
8.4
4
4
K
K
5
57
7
.6
6
6
K
K
CARE
REL
Modbu
odbus
s
Address
Ext Baud Prot
Address
Ext. Baud Prot
Ext. Baud Prot
Expansion
Board
Address Offset Baud
Rate
Protocol
Ext
Baud
Prot
Exp 1
2
No
19.2 K
MODBUS
Off On Off Off Off Off Off
Exp 2
3
No
19.2 K
MODBUS
Off On On Off Off Off Off
Exp 3
4
No
19.2 K
MODBUS
On Off Off Off Off Off Off
Exp 4
5
No
19.2 K
MODBUS
On Off On Off Off Off Off
Exp 5
6
No
19.2 K
MODBUS
On On Off Off Off Off Off
Exp 6
7
No
19.2 K
MODBUS
On On On Off Off Off Off
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.
Overview
