Haier YCZ-A004 Operation & Installation Manual
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Haier YCZ-A004 Operation & Installation Manual

Central controller for mrv series units
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Central Controller
Operation & Installation Manual
YCZ-A004
CONTENT
Function introduction of central controller.................................................... 1
Part info for central controller ...................................................................... 2
Page & Key Explanation .............................................................................. 4
Address Setting When Using Central Controller ......................................... 6
Function Operation ...................................................................................... 9
Installation ................................................................................................. 28
• Please read this manual carefully before using.
• Keep this operation manual for future reference.
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Summary of Contents for Haier YCZ-A004

  • Page 1: Table Of Contents

    Central Controller Operation & Installation Manual YCZ-A004 CONTENT Function introduction of central controller............ 1 Part info for central controller ..............2 Page & Key Explanation ................4 Address Setting When Using Central Controller ......... 6 Function Operation ..................9 Installation ....................28 •...

  • Page 2: Function Introduction Of Central Controller

    Function introduction of central controller 1. YCZ-A004 can control MRV series units. 256 indoor units can be controlled when used with MRV. The YCZ-A004 should be used together with an IGU05. One IGU05 adapter is connected with one outdoor MRV system. If multiple outdoor MRV units are to be connected to one YCZ-A004 central controller then an IGU05 adapter is needed for each outdoor MRV unit.

  • Page 3: Part Info For Central Controller

    Part info for central controller ON/OFF key: Press the ON/OFF key for 2-3 seconds to turn on the controller after powering on. To turn off, press the ON/OFF key for 5 seconds. Display/touch screen: Display and operation area. Screensaver key: Press to turn off screen light and press again to turn on.
  • Page 4 Part info for central controller Fire alarm monitor Power: 12V DC, Communication port for there is +- for power connecting converter Power (12V, GND): 12V DC, please pay attention to +-of power. Fire alarm linkage contact (ALARM1, ALARM2): AC works normally when closed and all AC turned off when open circuit.

  • Page 5: Page & Key Explanation

    Page & Key Explanation After turning on central controller, home page will show as above and detailed menu is as following: Menu/icon Function Pop-up window will show after clicking the icon: Online AC qty: indicating indoor unit quantity in good communication. Offline AC qty: indicating indoor unit quantity AC detailed menu in good communication previously and then in bad...
  • Page 6 Page & Key Explanation Menu/icon Function Zone Settings Press to enter Zone Settings interface. Create zones from all connected units. Details Press to enter details interface to view: AC condition/mode condition, error code, running time & parameters. Schedule Settings Click to enter schedule settings interface, the following setting can be operated: After entering, it will display all schedule settings lists.

  • Page 7: Address Setting When Using Central Controller

    Address Setting When Using Central Controller When applying central controller, it is required to set address by dip switch for easy checking and maintenance. When controlling MRV System structure chart when controlling MRV:...
  • Page 8 Address Setting When Using Central Controller For every system of AC, address starts from No. 1 to last indoor unit of the system. If totally 20 indoor units are connected in one system, address should be 1-20; if 50 in one system, address should be 1-50; the biggest address is Note: every indoor address starts from 1.
  • Page 9 Address Setting When Using Central Controller 2. IGU05 Adapter Address Setting Converter address...

  • Page 10: Function Operation

    Function Operation Equipment Settings Picture 1 Press the “Equipment Settings” key on home page to enter the display interface as shown in picture 1. is the return button. means you can view air-conditioners as grouping established. Press “Zone” button to select zones to be displayed. is the All on/All off button.
  • Page 11 Function Operation Picture 2 For example: Press the 3rd floor in picture2, it will show all indoor units on the 3rd floor, as shown in picture3. Picture 3...
  • Page 12 Function Operation Each grid represents an indoor unit in the air-conditioner display area, and each page can display 10 indoor units. Slide around the screen to turn pages on the screen. Indoor unit is shown as picture 4. IGU05 adapter Indoor unit address address Set temperature...
  • Page 13 Function Operation Press on the unit icon to enter the air-conditioner setting interface, as shown in picture5. Picture 5 Setting interface: Temperature setting: By sliding up/down or by pressing arrow ∧ / ∨ icons in the temperature selection area, you can change the setting temperature. Set Mode: Press the corresponding mode icon, the setting is successful if the icon is lighted up.
  • Page 14 Function Operation Icon Instruction: Cooling Mode Last in first out Heating Mode Central Control Dry Mode Locked Intelligent Mode Low Speed Wind Mode Automatically High Speed Medium Speed...
  • Page 15 Function Operation Batch change the indoor unit mode setting: After setting one unit, tap and window will pop out as shown in picture 6. Picture 6 If you choose “All”, then all indoor units will operate as ordered. If you choose “indoor unit selection”, then the page will turn to interface displaying all indoor units, press the indoor unit icons to choose the indoor units (the chosen ones will turn to dark color), they will operate as ordered.
  • Page 16 Function Operation Picture 7 Such as changing the name to “26-1 Office3”. After changing, it will be displayed in center. When you return to the previous screen, the corresponding unit icon name will also be changed. Zone Settings Picture 1...
  • Page 17 Function Operation Tap zone settings on the homepage to enter the zone setting interface, as shown in picture1. It will display a list of all current zone groups in the left column. Selecting a zone will display all connected air-conditioners grouped to that zone in the main display area.
  • Page 18 Function Operation The interface displays all connected indoor units. Tap to choose desired units to add to group. The selected unit will turn to blue after being tapped (tap again to deselect). For example: after tapping indoor units 26-1, 26-2, it will display as shown in picture 4.
  • Page 19 Function Operation Picture 5 In picture5, choose one group and then tap the button. It will pop out a window with three options, as shown in picture6: Picture 6 Edit group name: Changes the group’s name. Edit group’s dev: Add/remove indoor units grouped in a zone. Remove this group: Deletes a zone group.
  • Page 20 Function Operation Details Press details button on homepage to view detailed unit information, as shown in picture1. Picture 1 Vertical axis displays the name of the air-conditioner according to the order of the unit numbers, horizontal axis displays user name, air-conditioner number, setting temperature, setting mode, setting wind speed, gas pipe temperature, liquid pipe temperature, operating time and faults information.
  • Page 21 Function Operation Schedule Settings Choose the Schedule Settings on the homepage to enter the initial schedule setting interface as shown in picture 1. Picture 1 Press to add new schedule settings, as shown in picture 2. “On” shows when the machine starts up and “Off” shows when the machine shuts down.
  • Page 22 Function Operation Click the time text (such as 08:00 in picture 2) to pop out the window choose the time of startup. Then set the temperature, fan speed and mode. Slide down and set the area applied to and weekly in the interface as shown in picture3.
  • Page 23 Function Operation Scheduled Items: The schedule will be displayed as shown in picture 4 after settings are complete. The table shows the detailed information of this schedule. Click the corresponding item to change the time, fan speed, mode, and other items as shown in pic picture 2.
  • Page 24 Function Operation System Settings: To access System Settings a password must be entered. Password is 12345. Picture 1 Click OK key enter system settings page after inputting password. System setting page includes 4 contents, as picture 2. Extra Picture 2...
  • Page 25 Function Operation Mode setting: Tap to choose model setting. It will show if selected. Default is no limit. Daylight Saving Time: You can set saving function through the button You can select the application range from the bottom menu. Energy As picture 3 Picture 3 Energy Saving: Default is “ON”.
  • Page 26 Function Operation Password Picture 4 Screen lock password: Press to turn ON/OFF the screen lock password. Password setting: You can choose to decide if password is necessary. Input/confirm new password: Input the password (length 4-10) twice. It will remind “update password ok”, the new password will come into effect when you leave this page.
  • Page 27 Function Operation Local setting Local configurations are made here. Picture 5 Picture 6...
  • Page 28 Function Operation Brightness setting: You can turn up or down through the button Screen saving: screen saving time can be set: never, 15s, 30s, 1min, 5min, 10min. Type selection: Choose your unit model. It will show after you tap on the unit type.

  • Page 29: Installation

    Installation Installation dimension Wiring diagram Wiring diagram between central controller and converter board (IGU05). 16 AWG Shielded Cable maintain polarity Note: The communication wires have polarity. Meaning that one wire must go to all of the A terminals and the other must go to the B terminals.
  • Page 30 Installation Installation condition Electronic controls may receive interference from other electrical devices. This control may not operate as desired around computers, auto-doors, elevators, or other equipment what can produce noise. Keep away from moisture and from excessive vibration. Don’t install in the place direct sunlight or near a heat source. Installation Directions Mount the bracket to the wall using at least 2 of the holes marked ABC.
  • Page 31 Installation Rack Rack hole hole The installation of power adapter Connect to A1 & B1 To 100-230 VAC of the IGU05 12V- 12V+ Connect to A2 & B2 on controller black The power transformer that ships with the control can be connected to any AC voltage between 100-230.
  • Page 32 Installation Wiring between power adapter and central controller After connecting wires, put the central controller on the bracket...
  • Page 35 Qingdao Haier Air Conditioner Electric Co.,Ltd. Haier Industrial Park,Qianwangang Road,Eco-Tech Development Zone, Qingdao 266555,Shandong,P.R.C.