Powering On the Unit

Procedure

1. Turn on the general switch, upstream switch, (optional) electric heater switch QF7, and fan switches QF3–QF6. For a unit that has two power inputs, turn on the active power switch QF1 and standby power switch QF2.
2. After the initial power-on, the Quick Settings screen is displayed. Log in as user admin, as shown in Figure 5-1.
   Figure 5-1 Initial power-on
   
   Table 5-1 Preset passwords

   User	Preset Password	Permission Description
   admin (administrator user)	000001	Can set all the menus.
   operator (common user)	000001	Can only view parameters and set some parameters.

   • User operator can access customer and delivery parameters. The parameters on the Advanced menu are delivery parameters. User admin can access customer, delivery, maintenance, and R&D parameters. Parameters in the Advanced menu are the R&D parameters.
   • To prevent the effect of misoperations on the system, log in as user operator before modifying parameters. Confirm with technical support before modifying parameters which cannot be modified by user operator. Otherwise, the relevant party will be liable for any consequences of the modification performed by the user.
   • Only certified pros are allowed to modify the advanced parameters. Unauthorized modifications may lead to device malfunction or damage.
   • For system security purposes, change the preset password after first login.
   • After login, your permission will become invalid automatically if no operation is performed for 3 minutes (configurable). To ensure security, tap in the lower right corner of the home screen, or tap or in the upper right corner of the home screen to manually log out after the operation is complete.

3. Set related parameters as shown in Figure 5-2 and tap Next until the home screen is displayed.
   Figure 5-2 Quick Settings
   
   Table 5-2 Parameter description

   Tab	Parameter	Description
   Select Language	/	Specifies the UI language.
   Date & Time Settings	Date format	Specifies the date format.
   	Date settings	Specifies the date.
   	Time zone	Specifies the time zone.
   	Time	Specifies the time.
   Teamwork Settings	Teamwork group No.	Set the assigned teamwork control number.
   	System address	Set the planned unit address.
   	Teamwork function	Specifies whether to enable the teamwork function. If no, the unit operates independently. If yes, the unit operates in a team with other units.
   	Networking mode	Specifies the networking mode for teamwork control. The networking mode selected on the screen must match the actual networking mode. Otherwise, the teamwork function is unavailable.
   System Settings	Require password to start or shutdown onsite	Yes or No can be set as required.
   	Dual power supply setting	Primary power first or Primary power only can be set as required.
   	Heating function	If Enable is selected, the electric heater can be started when the ambient temperature is lower than the temperature setpoint by a certain range. If Disable is selected, the heating function is disabled. If Enabled when active power is selected, the electric heater can be started only when the active power supply is used and the ambient temperature is lower than the temperature setpoint by a certain range.
   	Heating mode	If Dehumidifying heating is selected, the electric heater determines whether to start based on the current temperature only when the dehumidification function is enabled. If Low-temperature heating is selected, the electric heater is started only based on temperature requirements, regardless of whether the dehumidification function is enabled. If Dehumid & low-temp heat is selected, the electric heater determines whether to start based on the temperature requirements when the dehumidification and heating conditions are met.
   	Humidifying function	The humidifying function can be set to Enable, Disable, or Enabled when active power.
   	Dehumidifying function	The dehumidifying function can be set to Enable, Disable, or Enabled when active power.
   	Floor water overflow alarm action	Set this parameter to Shutdown, Inactivity, Only indoor fan running, or Humidifier stopped based on site requirements.
   	In-cabinet water overflow alarm action	Set this parameter to Shutdown, Inactivity, Only indoor fan running, or Humidifier stopped based on site requirements.
   T/H Sensor	Temperature and humidity control type	Cold aisle, Hot aisle, Return air, or Supply air can be set as required. The temperature and humidity setpoints corresponding to the selected control type are enabled.
   	Temperature setpoint	After the temperature and humidity control type and the temperature value under this type are set, the unit performs cooling based on the settings.
   	Humidity setpoint	After the temperature and humidity control type and the humidity value under this type are set, the unit performs humidifying or dehumidifying based on the settings.
   	Return air sensor	The return air sensors can be set to Enable or Disable.
   	Cold aisle sensor	The sensors in cold aisles can be set to Enable or Disable.
   	Hot aisle sensor	The sensors in hot aisles can be set to Enable or Disable.
   Comm Settings	Modbus Comm address	Enter the communication address planned for the smart cooling product. The NMS communicates with the smart cooling product through this address.