Installation and Commissioning Guide - Wall Hung Split System
Doc. No.9590-5007
Ver. 2 210416
Installation and Commissioning Guide
Wall Hung Split System
30
CAUTION
If the outdoor unit is installed at a higher position than the indoor unit , it is recommended that the vertical suction risers
not be upsized. Proper oil return to the compressor should be maintained with suction gas velocity. If velocities drop
below 7.62 m/s, oil return will be decreased. An oil trap should be installed every 6m of vertical suction line riser.
Oil Trap
Gas Piping
Outdoor Unit
Indoor Unit
Liquid
Piping
6m
6m
11. Wiring
WARNING
• Be sure to isolate the power supply before working on the unit.
• All electrical wiring must be done according to local and national regulations.
• Electrical wiring must be done by qualified technician. Improper connections may cause electrical malfunction, injury
and fire.
• Connect the power cable to the terminals and fasten it with the clamp. Unsecured connection may cause fire.
• Make sure that all wiring is done correctly and the control board cover is properly installed. Failure to do so can cause
overheating at the connection points, fire, and electrical shock.
CAUTION
• Make sure you earth the unit. Improper earthing may cause electrical shock.
• DO NOT
connect the unit with the power source until all wiring and piping is completed.
• Make sure that you do not cross your electrical wiring with your signal wiring, as this can cause distortion and
interference or unit malfunction.
Содержание WRC-026CS
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