Gree A Series Service Manual page 68

Zones in China are classified by the degree of humidity.
Zone I: Beijing, Tianjin, Chongqing, Xi'an, Hangzhou, Zhengzhou, Changsha, Nanchang,
Shenyang, Changchun, Herbing, Jinan, Shijiazhuang, Guiyang, Taipei.
Zone Ⅱ: Shanghai, Nanjing, Wuhan, Dalian, Fuzhou, Xiamen, Gumming, Chengdu,
Nanning, Hong Kong, Macao, Guangzhou, and other coastal cities.
Thickness listed in the table above all is larger than the required thickness.
Special adhesives for insulation should be used, as shown in the figure below.
5.2.3.3 Sectional Materials
◆Angle Steel ◆I steel ◆Channel Steel ◆Squire Steel ◆Rectangular Steel ◆H Steel
5.2.3.4 Valves
The usually used valves include: gate valves, shut-off valves, throttling valves, gauge
valves, plunger valves, diaphragm valve, plug valves, ball valves, butterfly valve, check valves,
safety valves, drain valves, regulating valves, foot valves, and sewer valves etc.
(1)Gate Valve: its nominal diameter generally is or larger than 50mm and is mainly used to
cut off the tube flow.
(2)Shut-off Valve and Throttling Valve: its nominal diameter is limited to 200 or below. The
shut-off valve is used to cut off the tube flow and the throttling valve is mainly used to
throttle the tube flow.
A Series Modular-type Air-cooled (Heat Pump) Chiller
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