Compare comfort, not just the mode name
Find the indoor model and its user manual. Ask the provider what Dry controls, which fan choices are allowed, whether temperature can be set, and any operating-temperature limits. Ask how it behaves on your multi-head combination if other rooms are heating or cooling.
Measure the room temperature and humidity in the occupied area, away from the outlet air. Record how the room feels in normal Cooling and in Dry under reasonably similar conditions. If Dry keeps cooling the room below what is comfortable, ordinary Cooling or another moisture solution may be the better choice. Stop and request service if there is water indoors, ice, or a fault rather than treating those as a mode preference.
Keep cost and wear claims in proportion
To compare electricity use, you need comparable weather, run time, settings, and other active heads, plus a suitable measurement of usage. A lower fan sound or a cooler-feeling room does not establish lower consumption. Ask a qualified provider whether your system has suitable usage data and how to interpret it. Do not install electrical meters inside equipment yourself.
We would not predict compressor life from the mode name. Ask whether the exact manufacturer approves your intended use and whether the observed operation is normal. Unusual repeated stops, faults, or poor comfort warrant investigation, but none establishes compressor damage on its own.
If moisture is the main concern, tell the provider when it occurs and whether it remains while the system is off. Ask them to assess the source and compare a controls adjustment with any proposed separate dehumidification work. Keep the equipment and building responsibilities clear.
Your next step: Check the model's Dry instructions, record temperature and humidity, and choose the comfortable approved setup. Seek a qualified check if the behavior or moisture concern remains unexplained.