Haier AB25S2SC1FA Service Manual page 104

6. Limitations on the installation
6.1 Precautions on installation
• Check the strength and level of the installation ground so that unit will not cause any operating vibration or noise
after installation. In accordance with the foundation drawing in fix the unit securely by means of the foundation
bolts.
• It is best to screw in the foundation bolts unit their length are 20 mm from the foundation surface.
6.2 Selecting a location for installation of the indoor units
• The maxinum allowable length of refrigerant piping, and the maximum allowable height difference between the
outdoor and indoor units, are listed below. (The shorter the refrigerant piping, the better the performance. Connect
so that the piping is as short as possible. Shortest allowable length per room is 3m)
Outdoor unit capacity class
Piping to each indoor unit
Total length of piping between all units
3U52S2SG1FA
3U68S2SG1FA
25m max.
60m max.
102
4U70S2SH1FA
4U85S2SH1FA
25m max.
70m max.