Power-On

Procedure

1. Turn on the indoor fan circuit breaker.
2. Turn on the power input switch of the upstream smart cooling product. The display module of the smart cooling product automatically lights up.
3. Switch on the active power supply QF1 and standby power supply QF2 (the single power supply model does not have QF2).
4. After the initial power-on, the Quick Settings screen is displayed. Log in as user admin, as shown in Figure 6-5.
   Figure 6-5 Initial power-on
   
   Table 6-2 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. The parameters on the Advanced menu are R&D parameters.
   • To prevent misoperations on the system, log in as user operator before modifying parameters. Confirm with Huawei technical support before modifying parameters which cannot be modified by user operator. Otherwise, Huawei will not be liable for any consequences of the modification performed by the user.
   • Only certified professionals 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). For security purposes, tap at the lower-right corner of the screen to manually log out after you have completed all operations.

5. Set related parameters as shown in Figure 6-6 and tap Next until the home screen is displayed.
   Figure 6-6 Quick Settings
   

   Tab	Parameter	Description
   Select Language	Language	Specifies the display language.
   Date and 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 num	Specifies the planned teamwork group number. This parameter should be the same for all units in the same teamwork group.
   	System address	Specifies the planned unit address. The addresses of units in the same teamwork group must be unique.
   	Teamwork function	Specifies whether to enable the teamwork function. Set this parameter based on onsite heat load distribution. Disable: A unit operates independently. Enable: A unit operates in 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.
   	Number of systems in this group	Specifies the total number of units in this group. The value is an integer ranging from 1 to 32. NOTE: This parameter is displayed after Teamwork function is set to Enable.
   	Number of running systems in this group	Specifies the number of running units in this group. The value is an integer ranging from 1 to the value of Number of systems in this group. NOTE: This parameter is displayed after Teamwork function is set to Enable.
   System Optional Parts	Cold aisle sensor	Enables or disables a sensor.
   	Hot aisle sensor	Enables or disables a sensor.
   	Cold aisle temperature and humidity sharing	This function can be enabled only when at least one smart cooling product in the teamwork group is equipped with cold aisle T/H sensors. If this function is enabled, the master unit in the teamwork group collects the cold aisle temperature and humidity values from all units equipped with cold aisle sensors, and synchronizes the temperature and humidity control type and setpoints to all slave units.
   	Hot aisle temperature and humidity sharing	This function can be enabled only when at least one smart cooling product in the group is equipped with hot aisle T/H sensors. If this function is enabled, the master unit in the teamwork group collects the hot aisle temperature and humidity values from all units equipped with hot aisle sensors, and synchronizes the temperature and humidity control type and setpoints to all slave units.
   	Low temperature component	Specifies whether a low temperature component is used.
   System Settings	Outdoor unit condensate mode	Air-cooled: The outdoor unit is an air-cooled outdoor unit. Water-cooled: The outdoor unit is a water-cooled module.
   	Temp control intelligent monitoring board	A temperature control intelligent monitoring board is used to monitor the outdoor environment. Check the interior of the electric control box of the outdoor unit: If there is an intelligent temperature control monitoring board, set this parameter to Yes. If there is no intelligent temperature control monitoring board, set this parameter to No.
   	Smart diagnosis function	Enable: If there is an intelligent temperature control monitoring board, this function is enabled to start refrigerant status detection. Disable: The smart diagnosis function is disabled. Conditions for starting refrigerant status detection: No low temperature component is configured. Altitude: ≤ 2000 m 7.5 m ≤ equivalent pipe length of the one-way pipe ≤ 100 m –8 m ≤ vertical distance between the indoor and outdoor units ≤ +30 m 5°C ≤ outdoor ambient temperature ≤ 40.5°C
   	Password required for start or shutdown onsite	No: No password is required for startup or shutdown. Yes: A password is required for startup and shutdown.
   	Altitude	Set this parameter based on the actual altitude.
   	Liquid pipe length	Set this parameter after Smart diagnosis function is set to Enable. Specify the length of the liquid pipe between the indoor and outdoor units of a smart cooling product.
   	Height difference between indoor and outdoor units	Set this parameter after Smart diagnosis function is set to Enable. Specify the height difference between the indoor and outdoor units of a smart cooling product.
   	Heating function	Enable: The device starts humidifying when the ambient temperature is lower than the temperature setpoint by a certain range. Enabled when active power supply is working: The device starts heating only when the active power supply is used and the ambient temperature is lower than the temperature setpoint by a certain range. (The electric heater is an auxiliary function. By default, it is enabled when the active power supply is used and is disabled when the standby power supply is used.) Disable: The heating function is disabled.
   	Heating mode	This parameter can be set to Dehumidifying heating, Low-temperature heating, or Dehumidification & Low temperature heating. Dehumidifying heating: When the dehumidifying function is enabled, the electric heater is started to supplement the cooling capacity to achieve dehumidification at constant temperature. Low-temperature heating: The heating function is enabled when the current temperature is lower than the temperature setpoint by a certain value. Dehumidification & Low temperature heating: Both functions are available.
   	Humidifying function	Enable: The device starts humidifying when the ambient humidity is lower than the humidity setpoint. Enabled when active power supply is working: The device starts humidifying only when the active power supply is used and the ambient humidity is lower than the humidity setpoint by a certain range. Disable: The humidifying function is disabled.
   	Dehumidifying function	Enable: The device starts dehumidifying when the ambient humidity is higher than the humidity setpoint. Disable: The dehumidifying function is disabled.
   	DO_1	If this parameter is set to Smoke & Water only, DO_1 acts according to DO_1 action when a smoke or water overflow alarm is generated. If this parameter is set to Critical alarm, DO_1 acts according to DO_1 action when a critical alarm is generated. If this parameter is set to Major alarm, DO_1 acts according to DO_1 action when a major alarm is generated. If this parameter is set to Alarm, DO_1 acts according to DO_1 action when a critical alarm, major alarm, or warning is generated. If this parameter is set to Startup status, DO_1 acts according to DO_1 action when the unit is started. If this parameter is set to No, no alarm is generated when DO_1 is disconnected.
   	DO_2	If this parameter is set to Smoke & Water only, DO_2 acts according to DO_2 action when a smoke or water overflow alarm is generated. If this parameter is set to Critical alarm, DO_2 acts according to DO_2 action when a critical alarm is generated. If this parameter is set to Major alarm, DO_2 acts according to DO_2 action when a major alarm is generated. If this parameter is set to Alarm, DO_2 acts according to DO_2 action when a critical alarm, major alarm, or warning is generated. If this parameter is set to Startup status, DO_2 acts according to DO_2 action when the unit is started. If this parameter is set to Power abnormal, DO_2 acts according to DO_2 action when a power exception alarm is generated. If this parameter is set to No, no alarm is generated when DO_2 is disconnected.
   	DO_1 action	This parameter can be set to On or Off, and is used together with DO_1. For details, see DO_1 description.
   	DO_2 action	This parameter can be set to On or Off, and is used together with DO_2. For details, see DO_2 description.
   	Floor water overflow alarm action	Set the action of the device if there is water overflow on the floor based on the actual scenario. Shutdown: The device shuts down when a floor water overflow alarm is generated. Inactivity: The device runs as usual when a floor water overflow alarm is generated. Only indoor fan running: Only the indoor fan runs when a floor water overflow alarm is generated. Humidifier stopped: Only the humidifier is stopped when a floor water overflow alarm is generated.
   	In-cabinet water overflow alarm action	Set the action of the device if there is water overflow in the cabinet based on the actual scenario. Shutdown: The device shuts down when an in-cabinet water overflow alarm is generated. Inactivity: The device runs as usual when an in-cabinet water overflow alarm is generated. Only indoor fan running: Only the indoor fan runs when an in-cabinet water overflow alarm is generated. Humidifier stopped: Only the humidifier is stopped when an in-cabinet water overflow alarm is generated.
   T/H Sensor	Temperature and humidity control type	When the application scenario is non-aisle containment, you are advised to choose Return air. Choose Cold aisle if cold aisle T/H sensors are installed. Hot aisle is not recommended.
   	Temperature setpoint	After the temperature and humidity control type and the temperature value under this type are set, the device performs regulation based on the settings. Return air: 26–35°C recommended Supply air: 18–24°C recommended Cold aisle: 18–24°C recommended Hot aisle: 26–35°C recommended
   	Humidity setpoint	After the temperature and humidity control type and the humidity value under this type are set, the device performs regulation based on the settings. 40%–60% is recommended.
   Comm Settings	Modbus Comm address	Enter the communication address planned for the smart cooling product. The management system communicates with the smart cooling product through this address. The communication addresses of the two smart cooling products connected to the same management system must be different.