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Discharge Air Temperature Control; Main Module Dip Sw - LG PAHCMR000 Installation Manual

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DISCHARGE AIR TEMPERATURE CONTROL (PAHCMS000)

Main Module DIP SW

The default setting of all DIP switch is set "off"
n Table of SW1~SW4
SW name
No
Item
1
Control Type
Discharge
2
Temp. Control
Type
SW1
Defrost
3
Operation
Type
LG Central
Commnunication
4
Type
(CH3 of Main
Module)
ODU Capacity
1
Control
SW2
2
Reserved
3
Reserved
4
Reserved
1
Reserved
2
Reserved
SW3
3
Reserved
4
Reserved
Emergency
1
Stop
SW4
3
Reserved
4
Reserved
NOTE
1) Function of defrost operation type can be applied only to MULTI V outdoor units.
2) Emergency Stop function is working regardless 'Control Type' setting (DIP Switch SW1-2)
DISCHARGE AIR TEMPERATURE CONTROL (PAHCMS000)
Setting
ON
Communication
OFF
Contact signal
ON
Stand alone
OFF
Manual by DDC
ON
Normal
Sequential
1)
OFF
Start up
ON
Modbus
OFF
LGAP AHU
ODU Capacity
ON
Setting #2
ODU Capacity
OFF
Setting #1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ON
Setting #2
2)
OFF
Setting #1
-
-
-
-
<Main Module>
Note
Controlled by DDC through Modbus or LG central
controller
Controlled by DDC through Contact signal
LG Central controller can only monitor status
LG remote controllers & central controllers or
DDC(Modbus) can control discharge air temperature by
using LG discharge temperature sensor
DDC(Contact Signal or Modbus) can control discharge air
temperature by ODU capacity control referring to field
supplied discharge temperature
In case of multiple outdoor units, Defrost
operation can be operated simultaneously
In case of multiple outdoor units, the outdoor unit
is sequentially started at intervals of 10 minutes
Modbus communication between main module and
LG central controller (control/monitoring possible)
LGAP AHU communication between main module
and LG central controller (monitoring only)
ODU capacity control #2
ODU capacity control #1
-
-
-
-
-
-
-
System stops when the circuit(DI3-GND) is 'open'
System stops when the circuit(DI3-GND) is 'short'
-
-
21
<Communication
Module>

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