Huawei NetCol5000-A025 - Connecting the Outdoor Unit On;Off Signal Cable

Figure 3-51 Routes of the outdoor unit on/o signal cable (RS485) and water
sensor signal cable
3.11.4.2 Connecting the Outdoor Unit On/O Signal Cable
Context
The outdoor unit signal cable can connect to a dry contact or an RS485 port (by
default). Outdoor fan control mode is set to Communicate by default. If the
signal cable connects to a dry contact, choose Settings > System Settings >
Outdoor Fan > Outdoor fan control mode, and set Outdoor fan control mode
to Dry contact.
NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width) 3 Installation Guide
Issue 15 (2020-12-10) Copyright © Huawei Technologies Co., Ltd. 82