AERMEC WRCB User Manual Download Page 23

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ERRORS DISPLAY

If there is an error occurring during the operation of the system, the error code will be displayed on the LCD, as show in Fig. 24. If multi errors occur at the same time, their
codes will be displayed circularly.

Note: In event of any error, please turn off the unit and contact the professionally skilled personnel.

Fig. 24

Error

Error code

Error

Error code

Return air temperature sensor open/short circuited

Drive board communication error

Evaporator temperature sensor open/short circuited

Compressor overheating protection

Indoor unit liquid valve temperature sensor open/short circuited

Indoor and outdoor units unmatched

Indoor gas valve temperature sensor open/short circuited

Communication line misconnected or expansion valve error

IPM temperature sensor open/short circuited

Running mode conflict

Outdoor ambient temperature sensor open/short circuited

Pump-down

Outdoor unit condenser mid-tube temperature sensor open/short circuited

Defrost or oil return

Discharge temperature sensor open/short circuited

Forced defrosting

Communication error between indoor and outdoor unit

Compressor startup failure

DC bus under-voltage protection

High discharge temperature protection

DC bus over-voltage protection

Overload protection

Compressor phase current sensing circuit error

Whole unit over-current protection

Compressor demagnetization protection

Over phase current protection

PFC protection

Compressor desynch

IPM Temperature Protection

IPM Current protection

Overload protection

Compressorphaseloss/reversal protection

System charge shortage or blockage protection

Frequency restricted/reduced with whole unit current protection

Capacitor charging error

Frequency restricted/reduced with IPM current protection

High pressure protection

Frequency restricted/reduced with high discharge temperature

Low pressure protection

Frequency restricted/reduced with antifreezing protection

Compressor stalling

Frequency restricted/reduced with overload protection

Over-speeding

Frequency restricted/reduced with IPM temperature protection

Drive board temperature sensor error

Indoor unit full water error

AC contactor protection

Anti-freeze protection

Temperature drift protection

AC input voltage abnormal

Sensor connection protection

Whole unit current sensing circuit error

DC bus voltage drop error

4-way valve reversing error

Outdoor fan 1 error protection

Motor stalling

Outdoor fan 2 error protection

PG motor zero-crossing protection

Compressor suction temperature sensor error

Indoor fan tripping error

IDU network address error

Summary of Contents for WRCB

Page 1: ...2 2 1 0 5 3 3 0 6 0 1 _ 0 1 T r a n s l a t i o n o f O r i g i n a l i n s t r u c t i o n s w w w a e r m e c c o m User manual WIRED CONTROLLER WRCB ...

Page 2: ... for further details Illegal dumping of the product by the user entails the application of administrative sanctions provided by law Dear customer Thank you for choosing an Aermec product It is the fruit of many years of experience and special design studies and has been made of the highest grade materials and with cutting edge technology In addition all our products bear the CE mark indicating tha...

Page 3: ...ng Setting if available p 10 Sleep Setting p 11 Turbo Setting p 12 Energy Saving Function Setting p 13 X fan Setting p 14 Quiet Function Setting p 15 Absent Setting p 16 I Demand Setting p 17 WiFi Function Setting p 18 Other Functions p 18 5 Installation and Dismantlement p 19 Connection of the Signal Line of the Wired Controller p 19 Installation of the Wired Controller p 19 Dismantlement of the ...

Page 4: ... to the owner s manual of unit The setting of such unavailable function will not affect unit s operation The wired controller is universal The remote receiver is either in the indoor unit or in the wired controller Please refer to the specific models As for some indoor units connected with the wired controller if use the remote controller whose set temperature is adjustable under auto mode the wir...

Page 5: ...5 WIRED CONTROLLER WRCB 2 1 SYMBOLS ON LCD 2 1 1 Outside View of the Wired Controller Fig 1 Outside View of the Wired Controller ...

Page 6: ... set 13 Child lock Child lock status display when child lock function is set 14 Up Down Swing Setting Display when up and down swing function is set 15 UNAVAILABLE UNAVAILABLE 16 Fan speed The fan speed set currently including auto low medium low medium medium high high and turbo 17 No card No card in gate control system 18 Left Right Swing Setting Display when left and right swing function is s 1...

Page 7: ...nder off state of the unit press them at the same time for 5s to enter the lock state in which case any other buttons won t respond the press Repress them for 5s to quit this state 4 7 MODE Under OFF state the Celsius and Fahrenheit scales can be switched by pressing MODE and for 5s 2 5 TIMER FUNCTION Under OFF state it is available to go to the commissioning status by pressing FUNCTION and TIMER ...

Page 8: ...4 3 TEMPERATURE SETTING Press or to increase decrease the preset temperature If press either of them continuously the temperature will be increased or decreased by 1 C 1 F every 0 5s as shown in Fig 6 In the Cooling Dry Fan or Heating mode the temperature setting range is 16 C 30 C 61 F 86 F In the Auto mode the setting temperature is unadjustable Note If the wired controller receives the signals ...

Page 9: ... the setting Timer off setting press Timer if LCD won t display xx x hour and then it means the timer setting is canceled Timer off setting under the ON state of the unit is shown as Fig 8 Fig 8 Timer off Setting under the ON State of the Unit Wi Fi Wi Fi Wi Fi Wi Fi Wi Fi Turn on the unit without setting timer Press TIMER button to set Press or button to adjust time Press SWING ENTER to finish ti...

Page 10: ...o activate the swing function In this case will blink After that press SWING ENTER to make a confirmation After that press SWING ENTER to make a confirmation Swing Off When the Swing function is on press FUNCTION to enter the Swing setting interface with blinking After that press SWING ENTER to cancel this function Swing setting is shown as Fig 9 Fig 9 Swing Setting Wi Fi Wi Fi Wi Fi Wi Fi Wi Fi 1...

Page 11: ...ion is activated press FUNCTION to enter the Sleep setting interface After that press SWING ENTER to can this function Sleep setting is shown as Fig 10 Fig 10 Sleep Setting Wi Fi Wi Fi Wi Fi Wi Fi Wi Fi Turn on the unit without turning on sleep Press SWING ENTER button to turn on sleep Press FUNCTION button into sleep Press FUNCTION button into sleep Press SWING ENTER button to cancel sleep ...

Page 12: ...s SWING ENTER to confirm the setting When the Turbo function is activated press FUNCTION to enter the Turbo setting interface and then press SWING ENTER to cancel this function Turbo function setting is as shown in Fig 11 Fig 11 Turbo Setting Wi Fi Wi Fi Wi Fi Wi Fi Wi Fi Turn on the unit without turning on turbo Press FUNCTION button into turbo state Press SWING ENTER to turn on turbo function Pr...

Page 13: ...y saving setting mode press MODE button to switch the energy saving setting for COOL or HEAT mode Cancel energy saving function If energy saving function has been set press FUNCTION button on the panel to select SAVE When SAVE icon flashes if you press SWING ENTER button without pressing or button energy saving function will be canceled if you press SWING ENTER button after pressing or button ener...

Page 14: ...ting is as shown in Fig 13 Fig 13 X fan Setting Wi Fi Wi Fi Wi Fi Wi Fi Wi Fi Turn on the unit without turning on X fan function Press FUNCTION button into X fan state Press SWING ENTER button to turn on X fan function Press FUNCTION button into X fan state Press SWING ENTER button to turn off X fan function Note 1 When the X FAN function is activated if turning off the unit by pressing ON OFF or ...

Page 15: ...tton on the panel to select Quiet function option When Quiet or Auto quiet flashes if you press SWING ENTER button without pressing or button quiet function will be canceled if you press SWING ENTER button after pressing or button quiet function will be activated Fig 14 Setting of Quiet Function Wi Fi Wi Fi Wi Fi Wi Fi Wi Fi Wi Fi Turn on the unit with the Quiet function deactivated Press FUNCTION...

Page 16: ...in 8 C 46 F In this case temperature setting and fan speed setting are shielded 3 This function will be cancelled when switching modes 4 This function and sleep function cannot be on simultaneously If Absent function is set firstly and then sleep quiet function is set Absent function will be cancelled while sleep function will be valid and vice versa Fig 15 Absent Setting Wi Fi Wi Fi Wi Fi Wi Fi W...

Page 17: ...is function has been set set temperature is displayed in SE In this case temperature setting and fan speed setting are shielded 3 This function will be cancelled when switching modes 4 This function and sleep function cannot be on simultaneously If I demand function is set firstly and then sleep quiet function is set I demand function will be cancelled while sleep function will be valid and vice v...

Page 18: ... resume its original running state upon power recovery Memory contents ON OFF Mode set temperature set fan speed and Lock function 3 SELECTION OF THE TEMPERATURE SENSOR Under OFF state of the unit press both FUNCTION and TIMER for five seconds to go the commissioning status Under this status adjust the display in the temperature dis play area to 00 through the button MODE and then adjust the optio...

Page 19: ...ire CN2 and CN3 which are used for connecting the CC2 Accessory if desired There is no sequence for these two needle stands You can connect one or two needle stand s basing on the requirement Fig 18 shows the installation steps of the wired controller please pay attention to the following notes 1 Prior to the installation please firstly cut off the power supply of the wire buried in the installati...

Page 20: ...gram after the connection wire and the patch cord have been connected connect the terminal 2 of connection wire and the terminal 4 of patch cord WRCB Control Panel can be connected to the CC2 Accessor Fig 22 WRCB n 1 WRCB n 2 WRCB n 3 CC2 B2 A2 B3 A3 F1 F2 G1 G2 WRCB n 36 Termination Resistance CN3 CN2 CN1 Terminals Twisted cable KEY Connection can be made with the aid of the IC 2P accessory Indoo...

Page 21: ...board of wired controllerWRCB As for the last n wired controller in the control system the 1 bit and the 2 bit of the DIP switch should be manually pulled to position on and position off respectively The DIP switches of other wired controllers should be kept at the initial ex factory status 1 bit and 2 bit are set at position off ATTENTION Please pay special attention to the following notes during...

Page 22: ...fter having configured the addresses of the indoor unit via the wired control panel you can proceed with connection via the CC2 centralised control by referring to its user manual 7 SET THE INDOOR UNIT ADDRESS BMS It is necessary to set the value of the serial address to the unit as follows Press and hold the FUNCTION and MODE buttons simultaneously for 5 seconds With keys and select the value of ...

Page 23: ...r voltage protection PH Overload protection E8 Compressor phase current sensing circuit error U1 Whole unit over current protection E5 Compressor demagnetization protection HE Over phase current protection P5 PFC protection Hc Compressor desynch H7 IPMTemperature Protection P8 IPM Current protection H5 Overload protection L9 Compressorphaseloss reversal protection Ld System charge shortage or bloc...

Page 24: ...A e r m e c S p A V i a R o m a 9 9 6 3 7 0 4 0 B e v i l a c q u a V R I t a l y P h o n e 3 9 0 4 4 2 6 3 3 1 1 1 F a x 3 9 0 4 4 2 9 3 5 7 7 s a l e s a e r m e c c o m w w w a e r m e c c o m ...

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