to download LG Multi V Plus - Hawco
to download LG Multi V Plus - Hawco
to download LG Multi V Plus - Hawco
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Function<br />
3.4 Liquid back control<br />
■ Cooling mode<br />
Discharge temperature Indoor unit’s EEV<br />
Tdis < Tc + 12˚C<br />
Tdis > Tc + 16˚C<br />
■ Heating mode<br />
❇ The logic starts after 9 min. on heating mode and 4 min. on cooling mode from the compressor running.<br />
3.5 Phase detection<br />
■ Main unit<br />
If a phase is missed, 7-segment displays 50* on main PCB.<br />
If phases are reversed, 7-segment displays 54* on main PCB.<br />
3.6 Pressure switch<br />
- Main has pressure sensing switch in series between compressor and power relay.<br />
- The state of pressure sensing switch is normally on. It has small electric current from 220V AC. Never <strong>to</strong>uch<br />
the connecting terminal with hand nor short two wires directly.<br />
Copyright ©2007 <strong>LG</strong> Electronics. Inc. All right reserved.<br />
Only for training and service purposes<br />
SH increasing control<br />
Normal SH control<br />
Discharge temperature Outdoor unit ’s EEV<br />
Tdis < Tc + 17˚C<br />
Tdis > Tc + 18˚C<br />
SH increasing control<br />
Normal SH control<br />
- 30 -<br />
<strong>LG</strong>E Internal Use Only
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