If I may make a suggestion about item #6:
"The refrigerator is equipped with a heater tape wrapped around the water valve and outlet water tube.During cold weather operation below 32°/0°C the automatic temperature switch will turn the heater tape on automatically."
If this water line is plastic flexible tubing and you winterize your water system and remove the water out of the ice maker line, I suggest you find out how to disconnect the tubing heater. The heat applied to a line without water in it deteriorates the tubing. We had ours fail just outside of the 3 year point as we commonly used the rig during the cold months with the ice maker line shut off.
If they are using copper tubing for this line, there should be no worries.
~Rick