LG PAHCMR000 Installation Manual page 19

n Digital Output – Fan Speed (Change)
'Fan Speed Output (Change)' is available when DIP SW1-3 is ON and DIP SW1-4 is OFF.
• Cooling or Heating – TH ON
Name Port
Fan_High DO1
Fan_Mid DO2
Fan_Low DO3
• Cooling – TH OFF
Name Port
Fan_High DO1
Fan_Mid DO2
Fan_Low DO3
• Heating – TH OFF or defrost
Name Port
Fan_High DO1
Fan_Mid DO2
Fan_Low DO3
RETURN AIR TEMPERATURE CONTROL (PAHCMR000)
Value
Electrical Spec.
Short Open
High
250 V AC / 1 A
Mid -
30 V DC / 1 A
Low
Value
Electrical Spec.
Short Open
- TH OFF
250 V AC / 1 A
- TH OFF
30 V DC / 1 A
TH OFF -
Value
Electrical Spec.
Short Open
- TH OFF
- TH OFF
250 V AC / 1 A
30 V DC / 1 A
TH OFF
-
Function
DO ports output fan speed signal
according to setting value
Function
DO 1,2 is ' Open', DO 3(Low) is 'short'.
Function
1) During defrost, All DOs are 'Open'.
2) The fan speed will be changed
according to TH on/off.
In cooling mode,
- The fan speed will be running as low
fan during TH off.
- The fan speed will be running as set
fan speed during TH on.
In heating mode,
- The fan speed will be stopped during
TH off temperature setting.
- The fan will be running for 20 s during
TH OFF.
- The fan speed will be running as set
fan speed during TH on with pipe
temp.
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