29PKGP-SVX19A-EN
Controller
Application and Dimension
● The device is used for centralized control of Trane air conditioning modular CXAU products, and up to 16 CXAU units can
be connected to one device;
● Working power supply: 220/230VAC;
● Working environment: temperature -10~60°C, humidity < 90% RH;
● Storage environment: temperature -20~70°C, humidity < 90% RH;
● Mounting: 4 x 7mm mounting holes;
● Overall dimensions (W x H x D): 250 x 220 x 90 (mm);
Installation Guide
Dos and Don’ts
● The equipment should be installed indoors, far away from heat sources, such as vapors or ammable gases, and far away
from converter substations.
● Do not install the device in a location exposed to direct sunlight.
● Do not install the device in a location with strong wind or heavy dust.
● Do not install the device in a location prone to rain or high moisture.
● Do not install the device in a location where acids, alkaline substances, or corrosive gases (such as sulfur dioxide,
hydrogen sulde, etc.) are present.
● Do not install the device in a location where combustible gases or volatile combustibles may leak into.
● Do not install the device in a location where small animal nests are likely to occur.
● Do not install the device in a location easily accessible to movable people.
Wiring Instructions
485 Ground:
● DO NOT ground 485 to the 220/230V ground end of the iron sheet metal of the electric control box.
● 485 Ground Port G is the ground terminal of the DC power supply of the electronic control board.
485 communication cable installation requirements:
● Communication line requirements: RS485 wiring must use AWG # 18 ~ 22, the wire diameter must be greater than 0.75mm2,
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