
1. General installation Guide
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1. Introduction
The following system diagram illustrates overall organization of the refrigerant pipes for installing a
system air conditioner. Multiple outdoor units with sufficient capacities are installed in a location
with good air ventilation for cooling and heating and a vibration-proof rubber mat is installed in the
bottom of the outdoor unit to prevent vibration from being transferred to the building. The
refrigerant pipe and the communication cable from the outdoor unit penetrate the outer wall of the
building before reaching the inner area of the building. When penetrating the outer wall of the
building, sleeves should be used to prevent air leakage and support water proofing. The refrigerant
pipes and electrical wiring works for the indoor unit should be finished by fixing the indoor unit in a
level or perpendicular location. In the refrigerant pipe works, you should pay attention to installation
of insulation materials as well as branch pipes and incline. You should also make efforts to remove
all alien substances from the inner area of the pipe.
To construct an air conditioning system for the building, you must first design the overall air
conditioning system and select components such as chillers and indoor units and refer to the
construction design diagram in order to prepare a diagram for installing an air conditioning system.
System air conditioner installation vendors should refer to the provided construction diagram when
preparing a diagram for installation and purchasing components. If necessary, you should process
and weld the copper pipes on site and install your indoor and outdoor units and controllers.
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