LG MULTI V IV ARNU12GTU 2 Series User Manual

- 25 -
Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3.1.2 Pressure control on heating mode
n High pressure control
n Low pressure control
Pressure Range
P
s ≥ 190 kPa
Ps ≤ 190 kPa
Ps ≤ 98 kPa
Compressor
+2 Hz or less/10sec.
Normal control
Stop
Fan
+100RPM/10s
Normal control
Stop
Ps ≤ 124 kPa
-15Hz/10sec. +100RPM/10s
Ps ≤ 137 kPa
Frequency holding +100RPM/10s
Pressure Range
P
d ≥ 4003 kPa
P
d > 3415 kPa
Compressor
Stop
-15Hz/10sec.
Fan
Stop
-50RPM/10sec.
Function
3.1 Pressure protection control
3.1.1 Pressure control on cooling mode
n High pressure control
n Low pressure control
h Frequency holding : frequency (or RPM) is not increasing ( can decrease )
h Frequency holding : frequency (or RPM) is not increasing ( can decrease ).
3. Protection control
Pressure Range
Pd ≥ 4000 kPa
3775 kPa
3578 kPa
P
d > 3775 kPa
Pd ≥ 3513 kPa
P
d ≥ 3480 kPa
P
d < 3480 kPa
Normal control
Pressure Range Compressor
Stop
Fan
Stop
-15Hz/10sec. -100RPM/ 10sec.
Compressor
Stop
-15Hz/10sec.
Frequency holding
+2 Hz or less/10sec.
Fan
Stop
+100RPM/10sec.
+100RPM/10sec.
+100RPM/10sec.
Ps ≤ 98kPa, 1 minute later operation
Ps ≤ 124kPa, 1 minute before operation

LG MULTI V IV ARNU12GTU 2 Series Specifications

General

Brand	LG
Model	MULTI V IV ARNU12GTU 2 Series
Category	Air Conditioner
Language	English