to download LG Multi V Plus - Hawco

Function
3. Protection control
3.1 Pressure protection control
3.1.1 Pressure control on cooling mode
■ High pressure control
■ Low pressure control
3.1.2 Pressure control on heating mode
■ High pressure control
Pressure Range Compressor Fan Hot_gas
Pd ≥ 4003kPa Stop Stop On
Pd > 3676kPa -5Hz/4sec. 1) -50RPM/4sec.
Pd ≤ 3448kPa Normal control Normal control
Pd ≤ Target press Normal control off
■ Low pressure control
2
2
Pressure Range Compressor Fan Hot_gas
Pd ≥ 4003 kPa Stop Stop
Pd > 3676 kPa -5Hz/4sec. +100RPM/4sec.
Pd ≥ 3448 kPa Frequency holding Normal control
Pd < 3284 kPa Normal control -
Pressure Range Compressor Fan Hot_gas
Ps ≤ 229 kPa
1 after 1min
Ps ≤ 229 kPa before
1min
❈ Frequency holding : frequency (or RPM) is not increasing ( can decrease )
Pressure Range Compressor Fan Hot_gas
1 Ps ≤ 229 kPa
after 1min
Ps ≤ 229 kPa before
1min
❈ Frequency holding : frequency (or RPM) is not increasing ( can decrease )
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Stop Stop
-5Hz/4sec. -100RPM/4sec.
Ps ≤ 242 kPa Normal control Normal control
3
Ps ≥ 399 kPa Normal control Off
Stop Stop
-5Hz/4sec. +100RPM/4sec.
3 Ps ≤ 242 kPa Frequency holding Normal control
Ps ≤ 268kPa
Normal control
Ps > 307kPa Off
- 28 -
-
On
On
On
LGE Internal Use Only