102
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
3U52S2SG1FA
3U68S2SG1FA
4U70S2SH1FA
4U85S2SH1FA
Piping to each indoor unit
25m max.
25m max.
Total length of piping between all units
60m max.
70m max.
Summary of Contents for AB25S2SC1FA
Page 1: ...SYJS 04 2017 REV A Edition 2017 04 service manual R32...
Page 3: ...1 Part 1 General Information 1 Indoor outdoor unit models 2 2 Feature 3...
Page 23: ...21 5 Installation For AB25S2SC1FA AB35S2SC1FA 1 Installation procedure...
Page 24: ...22 AB25S2SC1FA AB35S2SC1FA AB25S2SC1FA AB35S2SC1FA...
Page 25: ...23...
Page 26: ...24...
Page 27: ...25 AB25S2SC1FA AB35S2SC1FA...
Page 28: ...26...
Page 29: ...27 For AD25S2SC1FA AD35S2SC1FA Installation procedure AD25S2SS1FA AD35S2SS1FA...
Page 30: ...28 AD25S2SS1FA AD35S2SS1FA AD25S2SS1FA AD35S2SS1FA...
Page 31: ...29...
Page 32: ...30 AD25S2SS1FA AD35S2SS1FA...
Page 33: ...31...
Page 38: ...36 21mm AD50S2SM1FA AD71S2SM1FA Unit model The size of drain opening...
Page 39: ...37...
Page 54: ...52 2 Dimension 1U71S2SM1FA 860 633 unit mm...
Page 91: ...89 R32 R32 R32 R32 R32 R32 R32 R32 R32 10 2 Read before installation...
Page 92: ...90 3 R32 R32 R32 R32 R32 R32 R32...
Page 93: ...91 R32 R32 R32 R32 R32 R32 R32 R32 10A HFC 410A...
Page 96: ...94 10 5 Air tightness test...
Page 97: ...95 R32 R32 10 6 Vacuuming...
Page 123: ...121 PCB 0011800410RA 1U71S2SG1FA Power module 0011800377C 1U71S2SG1FA...