Indoor Unit Monitoring - LG PDRYCB320 Installation Manual

Setting and using method
n Temperature tracking function in thermostat mode
: periodically make a target temp. based on indoor temp. from IDU and delta value and transfer a
renewal target temp. value to IDU.
SETTING_SW Function
SW 1 Universal Input
SW 2 Universal Input Type
SW 3 Temperature Tracking
SW 4 -
SW 5
Tracking delta Temperature
SW 6
SW 7
Tracking Period Time
SW 8
Notes
• The Set value of Fahrenheit temperature is twice the set value of Celsius Temperature.
• New Target temperature in Cooling Opreation = Room temperature - Tracking delta temperature
• New Target temperature in Heating Operation = Room temperature + Tracking delta temperature
n Operation example
: When set offset value to ±6 ℉ (±3 ℃), period time value to 3 minutes.
Period 1 Period 2
(3 minutes) (3 minutes)
Thermostat
Cooling on Cooling off
Operation
IDU off
IDU Operation Cooling
or Fan mode
Indoor Room
70 ℉(21 ℃) 72 ℉(22 ℃)
Temperature
Target Updated to
Not update
Temperature 64 ℉(18 ℃)
20 Dry contact for thermostat
Off On
Disable Enable
Voltage Resistance
Disable Enable
- -
SW 5 SW 6 SET VALUE
OFF OFF ±8 ℉ (±4 ℃)
ON OFF ±6 ℉ (±3 ℃)
OFF ON ±4 ℉ (±2 ℃)
ON ON ±2 ℉ (±1 ℃)
SW 7 SW 8 SET VALUE
OFF OFF 3 minutes
ON OFF 5 minutes
OFF ON 10 minutes
ON ON 20 minutes
Period 3 Period 4 Period 5
(3 minutes) (3 minutes) (3 minutes)
Heating on Heating off Fan only
IDU off
Heating Fan mode
or Fan mode
64 ℉(18 ℃) 80 ℉(27 ℃) Don't care
Update to
Not update Not update
70 ℉(21 ℃)

Indoor unit monitoring

n Monitoring whether the indoor unit is operating: Refer to
below and connect to the control device that you want to
control.
n Monitoring indoor unit error: Refer to below and connect to
the control device that you want to control.
!
CAUTION
Field supply power should not use more than DC 12 V (0.5 A), AC 24 V (0.5 A).
Setting and using method
Field Supply
Power
Operation Display
AC or DC
(Depends on Operation display power type)
Field Supply
Power
Error Display
AC or DC
(Depends on Error display power type)
Installation manual 21