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AHU-KIT
Fig.2.5.4 AHU-KIT one-to-more (hybrid connection) connection diagram
3 Preparations for Installation
3.1 Before Installation
NOTICE
Product graphics are only for reference. Please refer to actual products. Unspecified measure
unit is mm(inch).
(1) This equipment is designed for R410A system, and the designed working pressure is
4.3MPa or 43bar.
(2) Working Ambient Temp. Tmax=113°F (45°C).
(3) Precautions for R410A:
a).The refrigerant requires strict cautions for keeping the system clean, dry and tight.
—Clean and dry: Foreign materials (including mineral oils or moisture) should be
prevented from getting mixed into the system.
—Tight: Read this manual carefully and follow these procedures correctly.
b).Since R410A is a mixed refrigerant, the required additional refrigerant must be charged
in its liquid state. (If the refrigerant is in state of gas, its composition changes and the
system will not work properly).
(4) The connected air handling units must have heat exchangers designed exclusively for
R410A．
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