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WDC-120G/WK(A)

202011

3

WD
C-1

20

G/WK
(A

) Se

rvice
Manual

Part 1

Intr

oducti

on

1 GENERAL ............................................................................................................................................. 4

1.1 Safety Precau

ti

ons ......................................................................................................................... 4

1.2 A

tt

achments with the Box .............................................................................................................. 6

2 INTRODUCTION ................................................................................................................................... 7

3 DIMENSIONS ....................................................................................................................................... 8

3.1 Front and Side Views ..................................................................................................................... 8

3.2 Back View ...................................................................................................................................... 9

4 MODES OF CONNECTION ................................................................................................................... 10

5 WIRING SPECIFICATIONS .................................................................................................................... 11

6 MULTIPLE CONNECTION METHODS .................................................................................................... 12

6.1 One Wired Controller for one Indoor Unit .................................................................................... 12

6.2 Two wired controllers for one indoor unit .................................................................................... 12

6.3 Connec

ti

on using Infrared Port .................................................................................................... 13

6.4 Group Control .............................................................................................................................. 14

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Содержание WDC-120G/WK(A)

Страница 1: ...0 intensity mx SERVICE MANUAL imágenes con fines ilustrativos MODELO WDC 120G WK A WIRED CONTROLLER MAN S WC120G 1220 intensity mx SERVICE MANUAL imágenes con fines ilustrativos MODELO WDC 120G WK A 2nd Generation VRF Wired Controller ...

Страница 2: ...WDC 120G WK A 202011 C D W K W G 0 2 1 A e c i v r e S M l a u n a ...

Страница 3: ...divided into 4 main parts Introduction Installation Commissioning Functions and Troubleshooting Introduction This part gives a basic detail about the controller like what are the application scenarios in which this controller is valid and what are the basic functions that are on oﬀer by this controller Installation Commissioning This part gives a detail about the various steps that need to be foll...

Страница 4: ...WDC 120G WK A 202011 C D W K W G 0 2 1 A e c i v r e S M l a u n a ...

Страница 5: ...011 1 CONTENTS CONTENTS Part 1 WDC 120G WK A Introduction 03 Part 2 WDC 120G WK A Installation Commissioning 15 Part 3 WDC 120G WK A Functions 39 Part 4 WDC 120G WK A Troubleshooting 81 Part 5 WDC 120G WK A Appendix 87 ...

Страница 6: ...WDC 120G WK A 2 202011 C D W K W G 0 2 1 A a u n a M e c i v r e S l ...

Страница 7: ...ith the Box 6 2 INTRODUCTION 7 3 DIMENSIONS 8 3 1 Front and Side Views 8 3 2 Back View 9 4 MODES OF CONNECTION 10 5 WIRING SPECIFICATIONS 11 6 MULTIPLE CONNECTION METHODS 12 6 1 One Wired Controller for one Indoor Unit 12 6 2 Two wired controllers for one indoor unit 12 6 3 Connection using Infrared Port 13 6 4 Group Control 14 ...

Страница 8: ...lectrical components before servicing The voltage must be less than 50 V DC before you can touch electrical components For the location of the terminals refer the wiring diagram Do NOT touch electrical components with wet hands Do NOT leave the equipment unattended when the service cover is removed WARNING A main switch or other means for disconnection having a contact separation in all poles prov...

Страница 9: ...e installation and leave adequate spacing between the device and surrounding community service network devices for heat dissipation Make sure that the installation site is indoors and theWDC 120G WK A is installed at a height that is 50 cm above the ground Make sure that the installation site is not exposed to sun and heating devices Make sure that the device is not installed in humid places or wh...

Страница 10: ...und head wood mounting screw dia 4 mm 20mm 3 Cross round head mounting screw M4 25mm 2 Plastic Expansion pipe dia 4 2mm 28 5mm Plastic screw bar dia 5mm 16mm Infrared Connection Cable WIRED CONTROLLER MAN S WC120G 1220 intensity mx SERVICE MANUAL imágenes con fines ilustrativos MODELO WDC 120G WK A WIRED CONTROLLER MAN S WC120G 1220 intensity mx SERVICE MANUAL imágenes con fines ilustrativos MODEL...

Страница 11: ...ed with the HRV as well as the Fresh Air Processing VRF indoor units This controller employs dot matrix displays as a result of which the icons displayed on this controller screen are much better and brighter than all other controllers Apart from all these highlighted features the controller also has the capacity to control some of the indoor unit s settings which were earlier only available on th...

Страница 12: ... discuss the dimensional aspect of the WDC 120G WK A controller We will have a look at what are the various length breadth and height for this controller The front view side view and top view of this controller have been discussed in the below sections 3 1 Front and Side Views Unit mm ...

Страница 13: ...1 WDC 120G WK A 202011 9 WDC 120G WK A Service Manual 3 2 Back View Unit mm ...

Страница 14: ...f this port is connected the information communication information begins to ﬂow through the D1D2 lines and the X1X2 port acts as only the line for providing the power to the controller If one or two controllers are used to control multiple IDUs the ports X1X2 D1D2 both need to be connected the controller will have bi directional communication This type of communication is required at the time of ...

Страница 15: ...e not attached 2 Do not touch the remote controller main board Wiring Type Shielded 2 conductor or 4 conductor for connection through X1 X2 D1 D2 ports Shielded 4 conductor for connection through ABCDE ports Wiring Size AWG 20 Wiring Length Maximum 200 m 656 ft for 2nd generation DC IDU X1 X2 D1 D2 ports Maximum 20 m 66 ft for connection through ABCDE ports ...

Страница 16: ...e is no polarity between the X1 and X2 ports They can be cross connected 6 2 Two wired controllers for one indoor unit In this scenario the X1X2 port of the two wired controllers will be connected with the X1X2 port of the indoor unit Since there is no polarity between the X1 and X2 ports so there is no need to care about the polarity of connection between X1X2 One of the Controllers can be set as...

Страница 17: ...the indoor unit using the ABCDE terminals As a result of using the infrared communication the bi directional communication features would not work in this case This method of connection is advised to be used in case of connecting hotel key card interface The standard cable set supplied with the box is 1 For customization option the user can also use the cable 2 as customization to extend the lengt...

Страница 18: ...can be used to control multiple indoor units up to 16 In this case the wired controller and IDU needs to be connected to the X1X2 AND D1D2 ports at the same time There is no polarity between the X1X2 of indoor unit and X1X2 of the wired controller The D1D2 line sequence between the main and secondary wired controllers must be consistent ...

Страница 19: ...utlet 19 1 3 Wiring Speciﬁcations 21 1 4 Modes of Connection 21 1 5 Connection Scenarios 22 1 6 Front Cover Installation 27 2 FIELD SETTINGS 28 2 1 Main Controller Service Menu 30 2 2 Secondary Controller Service Menu 33 2 3 Service Menu when Wired Controller connect to indoor unit using CN2 port Infrared Port 34 2 4 Setting the IDU Address 36 2 5 Checking Error History 37 ...

Страница 20: ...e required to be undergone for the successful installation commissioning of WDC 120G WK A wired controller 1 1 Back Cover Installation 1 Insert the tip of a straight head screw driver in buckling position at the bottom of the wired controller and lift the screwdriver to pry open the back cover Pay attention to the lifting direction incorrect lifting may damage the wired controller ...

Страница 21: ...11 17 WDC 120G WK A l a u n a M e c i v r e S 2 Use three M4 20 screws to mount the back cover on the wall 3 Use two M4 25 screws to install the back cover on the 86 electrical box and use one M4 20 screw to ﬁx to the wall ...

Страница 22: ... when installing the screw bar to the electrical box screw bar 5 Use cross head screws to ﬁx the wired controller bottom cover in the electric control box through the screw bar Make sure that the wired controller bottom cover is on the same level after installation and then install the wired controller back onto the bottom cover 6 Make sure that you don t fasten the screws too tightly as fastening...

Страница 23: ...1 WDC 120G WK A 202011 19 WDC 120G WK A l a u n a M e c i v r e S 1 2 Wire Outlet ...

Страница 24: ...K A 20 202011 g n i n o i s s i m m o C n o i t a l l a t s n I Important point To avoid the water from entering the wired controller use trap and putty to seal the connectors of wires during wiring installation ...

Страница 25: ...r units X1 X2 D1 D2 ports Maximum 20 m 66 ft for connection through ABCDE ports 1 4 Modes of Connection X1X2 If one or two controllers are used to control one IDU the port X1X2 need to be connected the controller will have bi directional communication D1D2 If one or two controllers are used to control multiple IDUs the ports X1X2 D1D2 both need to be connected the controller will have bi direction...

Страница 26: ...munication have been enlisted in detail below 1 5 1 One Wired Controller for one Indoor Unit In this scenario the wired controller s X1X2 port connects with the X1 X2 port of the indoor unit There is no polarity between the X1 and X2 ports They can be cross connected This is the same way in which the wired controller is connected with the HRV also Port Connection X1X2 Connected D1D2 Not Connected ...

Страница 27: ...ll be connected with the X1X2 port of the indoor unit Since there is no polarity between the X1 and X2 ports so there is no need to care about the polarity of connection between X1X2 One of the Controllers can be set as the main controller whereas the other one can act as a secondary controller in this case Port Connection X1X2 Connected D1D2 Not Connected ABCDE Not Connected ...

Страница 28: ...using the ABCDE terminals As a result of using the infrared communication the bi directional communication features would not work in this case This method of connection is advised to be used in case of connecting hotel key card interface The standard cable 1 is supplied in the box To extend the length the user can go for customization and add another longer cable 2 Port Connection X1X2 Not Connec...

Страница 29: ...multiple indoor units up to 16 In this case the wired controller and IDU needs to be connected to the X1X2 and D1D2 ports at the same time There is no polarity between the X1X2 of indoor unit and X1X2 of the wired controller The D1D2 line sequence between the main and secondary wired controllers must be consistent Port Connection X1X2 Connected D1D2 Connected ABCDE Not Connected ...

Страница 30: ...wired controller is synchronized to the state of the IDU with the smallest address 4 In group control there will be no error prompt on the wired controller except when the IDU with the smallest address has been disconnected Once the IDU except the smallest address IDU is powered ON again the remote controller send and receive function would be automatically restored 5 In group control regardless i...

Страница 31: ...tallation After adjusting the front cover buckle the front cover Make sure that the communication switching wire do not get clamped during the front cover installation Correctly install the back cover and ﬁrmly buckle the front cover and back cover otherwise the front cover may fall oﬀ ...

Страница 32: ...controller at the project site These settings should not be kept open for the end customer To enter into the ﬁeld settings menu the engineer needs to hold the BACK and FAN at the same time for 5 seconds to enter the interface for parameter settings as shown in the ﬁgure below ROOM SENSOR CONFIGURATION WIRED CONTROLLER CONFIGURATION IDU CONFIGURATION IDU ADDRESSES OPERATION DATA ...

Страница 33: ...WN to adjust the parameter as shown in ﬁgure above On the last menu press MENU OK to conﬁrm and return to the homepage Press BACK to conﬁrm and return to the previous parameter or wait for 30 seconds to automatically exit parameter settings Similarly all the parameters in the controller maybe adjusted in this fashion A list of all the parameters available for selection have been enlisted in the fo...

Страница 34: ...gree 0 5 degree The temperature change from the wired controller will be in steps of 0 5 degree or 1 degree depending up on this setting 1 degree 1 4 Temp Setting Limits Cooling Mode Minimum 17 30 C 62 86 F 17 C 62 F This is to set the minimum temperature below which the set temperature of indoor unit cannot be adjusted in cooling mode Heating Mode Maximum 17 30 C 62 86 F 30 C 86 F This is to set ...

Страница 35: ... in the heating mode operation of the indoor unit 72 P 0 P 72 P EXV Stand by position 4 72 P 72 P 72 P 72 P 1 4 Cold draft prevention 0 15 C For fresh air indoor unit AHU Fresh Air Control 14 C FF According to IDU settings In the heating mode the fan does not run when the indoor heat exchanger temperature is equal to or less than the temperature written 1 20 C For fresh air indoor unit AHU Fresh A...

Страница 36: ... Fresh Air processing units 13 30 C 2nd Generation AC Indoor Units 17 30 C AHU Return Air Control 17 30 C AHU Fresh Air Control 10 30 C Level 1 Menu Model Level 2 Menu Setting Option Default Implication of Setting IDU Address 1 5 0 63 Sets the address of IDU when this controller is connected to a single indoor unit IDU Operating Data 1 5 Error Codes Last 10 fault records IDU ODU Wired Controller O...

Страница 37: ...ed Controller Indoor Unit The Sensor on the wired controller indoor unit will be used to determine the room temperature according to this setting Indoor Unit Operating Data Error Codes Last 10 fault records IDU ODU Wired Controller ODU Data Refer to Appendix 1 IDU Data Refer to Appendix 2 Wired Controller Displays the wired controller software version T1 main or secondary wired controller number o...

Страница 38: ...ree 0 5 degree The temperature change from the wired controller will be in steps of 0 5 degree or 1 degree depending up on this setting 1 degree Fan Speeds 3 Fan Speeds 7 fan speeds The available fan speed options would be 3 or 7 depending up on this setting 7 Fan Speeds Temp Setting Limits Cooling Mode Minimum 17 30 C 62 86 F 17 C 62 F This is to set the minimum temperature below which the set te...

Страница 39: ...s controller is connected to a single indoor unit Operating Data Error Codes Last 10 fault records IDU ODU Wired Controller ODU Data Refer to Appendix 1 IDU Data Refer to Appendix 2 Wired Controller Displays the wired controller software version T1 main or secondary wired controller number of online IDUs and group NO In group control the group NO is the smallest address among all IDUs 1 ...

Страница 40: ...hen the wired controller is connected to only one IDU Press TEMP DOWN to move the cursor down choose IDU Addresses as shown in Fig and press MENU OK to enter this setting Press TEMP UP or TEMP DOWN to select the IDU address and press MENU OK to send to send this address to the IDU as shown below Press BACK twice or wait for 30 seconds to automatically exit the parameter settings menu ...

Страница 41: ...ttons at the same time for 5 seconds to enter the interface for service menu as shown below Press TEMP DOWN to move the cursor and select the OPERATION DATA and press MENU OK to enter this setting Select ERROR CODES and press MENU OK as shown below Error codes and unit no will be shown only the last 10 events are displayed ...

Страница 42: ...WDC 120G WK A 38 202011 g n i n o i s s i m m o C n o i t a l l a t s n I ...

Страница 43: ... 2 3 Setting the Fan Speed 48 2 4 Setting the Temperature For normal IDUs 49 2 5 Key lock 50 2 6 Reset Filter Indicator 51 3 QUICK REFERENCE MENU 52 3 1 LOUVER 54 3 2 AUX HEATER 56 3 3 ECONOMY MODE Except HRV 57 3 4 SILENT MODE 58 3 5 IDU LED INDICATORS 59 3 6 TEMPERATURE UNIT 60 3 7 TIMER 61 3 8 SCHEDULE 62 3 9 DATE AND TIME 66 3 10 DAYLIGHT SAVING TIME 69 3 11 ROOM TEMPERATUTRE Except HRV 71 3 1...

Страница 44: ...LED INDICATORS Except HRV 74 3 15 Outdoor Temperature Display For HRV Only 75 3 16 Interlock Function For HRV only 75 3 17 Sterilization Function 76 3 18 Setting the Language 77 3 19 Setting the Oﬀ Timer 78 3 20 Setting the Dry Contact HRV Fresh Air Processing Units only 79 ...

Страница 45: ... 1 Functions In this section we have discussed the various functions which are on oﬀer by this wired controller The basic functions and the quick reference menu have been described in detail under this section in complete detail 1 1 Button Locations and Descriptions ...

Страница 46: ...s to the left 6 MENU OK button Enters the menu sub menu Conﬁrms selection 7 Right Button Selects options to the right 8 Fan Selects the Fan speed 9 TEMP DOWN button Reduces the set temperature 10 BACK button Returns to the previous level press this button for 3 seconds to Lock Unlock 11 Remote Controller Signal receiving window Receives the remote controller control signal Important point Only the...

Страница 47: ...1 WDC 120G WK A 202011 43 WDC 120G WK A l a u n a M e c i v r e S 1 2 Display Description Main Display Interface for Normal VRF indoor unit Fault Display Interface ...

Страница 48: ...ons and the wired controller cannot use the corresponding functions of the IDU 10 IDU Filter Indicator Displayed as an icon when it is time to clean the ﬁlter or element 11 Schedule Turns ON when the schedule is available on the wired controller 12 Extension or Timer Icon Turns ON when the EXTENSION or timer is enabled on the wired controller 13 Sterilization Function 14 Fan Speed Display Displays...

Страница 49: ...ystem HRV can be on oﬀ automatically based on IDU running status 6 Mode display Displays the running mode set by the wired controller 7 CO2 concentration display Displays the CO2 CONCENTRATION 8 Extension or Timer Icon Turns ON when the EXTENSION or Timer is enabled on the wired controller 9 Fan Speed display Displays the fan speed set by the wired controller 10 Function and key locking icon Turns...

Страница 50: ...WDC 120G WK A 46 202011 s n o i t c n u F 2 Basic Operations 2 1 ON OFF Press ON OFF to turn the IDU ON OFF The LED is lit when the unit is turned ON as shown in the picture below ...

Страница 51: ...nnected to the IDU through the X1X2 or D1D2 ports the operating mode can be set for the wired controller depending up on the air conditioning system When the wired controller is connected to the heat pump system AUTO mode is not available Press MODE to set the mode of the IDU as shown in the picture below Note Connected with HRV 1 When the Auto Mode is selected the fan speed is automatic and the f...

Страница 52: ... COOL Heat or Fan mode press Fan to change the fan speed When the IDU supports 7 fan speeds press Fan to set the fan speed circulation as shown in the picture below When the IDU supports 3 fan speeds press FAN to set the fan speed circulation as shown in the picture below ...

Страница 53: ...utton within 10 seconds to switch between the set temperatures for cooling and heating in AUTO mode The set operation temperature range is 17 C 30 C 62 F 86 F Important Points 1 When the wired controller is connected to the IDU through the CN2 port the automatic mode temperature of wired controller is set to single set point 2 When the wired controller is connected to the IDU through the X1X2 or D...

Страница 54: ...ACK button for 3 seconds while the backlight is illuminated The icon is displayed All the buttons are disabled Use the button now and the icon will ﬂicker 3 times to prompt To cancel the key lock mode hold BACK for 3 seconds while the backlight is already illuminated ...

Страница 55: ...ft at the same time for 1 second to clear the icon display Wash clean or replace the ﬁlter or element For details refer to the manual provided together with the indoor unit For the HRV if the pressure diﬀerence switch detects that the pressure diﬀerence is not proper it means the ﬁlter needs to be cleaned changed and then the pressure diﬀerence will be normal and then the clean ﬁlter icon will dis...

Страница 56: ...ndoor unit The various functions that is available to be controlled by the Quick Reference menu of the controller may be listed as follows 1 Louver This function is used to conﬁgure the airﬂow direction settings The airﬂow direction louver is operated up and down Left and Right The ﬁxed airﬂow directions of the vertical louver can be conﬁgured in ﬁve positions 2 Auxiliary Heater Used to set AUTO O...

Страница 57: ...g the indoor unit will turn oﬀ after the set timing if it is turned on from the wired controller 16 Sterilization If the sterilization function is available for the indoor unit it can be turned on or turned oﬀ using this setting 17 Language There are 4 languages available for the controller using this setting the language for the wired controller maybe changed The four languages available for the ...

Страница 58: ...e menu interface and press MENU OK to enter the louver settings as shown in the picture below Press the Left and right button to switch between the horizontal and vertical louver settings Press TEMP UP and TEMP DOWN to set the louver status If the IDU does not support horizontal swing only vertical swing can be set MENU 1 3 MENU OK LOUVER AUX HEATER ECONOMY MODE SILENT MODE IDU LED INDICATIORS MEN...

Страница 59: ...ures below show the vertical and horizontal louver sequence respectively Horizontal louver will move the louvers from left to right ion a pre determined fashion This pattern is non adjustable Vertical louver adjustment sequence Horizontal louver adjustment sequence Default ...

Страница 60: ...e AUX HEATER on the menu interface as shown below and press MENU OK to enter this setting Press TEMP UP or TEMP DOWN to set whether the aux heater is AUTO ON or OFF as shown in the picture below When set to AUTO the ON OFF state of E heat depends up on AUX HEATER activation temperature setting in service menu Service Menu IDU Conﬁguration Aux Heater and the operation state of IDU and ODU despite t...

Страница 61: ...CONOMY MODE When the IDU supports the ECONOMY MODE and the wired controller is ON the ECONOMY MODE can be set for operation in cooling and heating modes Choose ECONOMY MODE on the menu interface as shown below and press MENU OK to enter this setting Press the TEMP UP OR TEMP DOWN button to set the economy mode as ON or OFF as shown in the picture below ...

Страница 62: ...When the IDU supports the Silent Mode and the wired controller is ON silent mode can be set for operation in cooling mode and heating mode Choose Silent Mode on the menu interface as shown below and press MENU OK to enter this setting Press TEMP UP or TEMP DOWN to set whether the silent mode is ON or OFF as shown below ...

Страница 63: ... the wired controller is IDU LED Indicators When the IDU LED setting is enabled the LED turns ON when the IDU starts Choose IDU LED indicators on the menu interface as shown in the picture above and press MENU OK to enter this setting Press TEMP UP or TEMP DOWN to set whether the LED is ENABLED or DISABLED as shown in the picture below ...

Страница 64: ...reference menu Using this setting we can set the temperature unit being displayed on the wired controller Choose TEMPERATURE UNIT on the menu interface as shown below and press MENU OK to enter this setting Press TEMP UP or TEMP DOWN to select between Celsius and Fahrenheit as shown in the picture below ...

Страница 65: ...e TIMER on the menu interface and press MENU OK to enter this setting Choose CONFIGURATION in the schedule level 1 menu and press MENU OK to enter this setting Press the TEMP UP or TEMP DOWN to select DISABLED or ENABLED for the timer as shown in the picture below Press MENU OK to conﬁrm and return to the homepage Press Back to conﬁrm and return to the previous level ...

Страница 66: ...nd press MENU OK to enter this setting 1 CONFIGURATION Choose CONFIGURATION in the schedule menu as shown in the ﬁgure below and press MENU OK to enter this setting Press TEMP UP or TEMP DOWN to select between DISABLED SIMPLE or STANDARD for the weekly schedule Press MENU OK to conﬁrm and return to the previous level SIMPLE Requires simply to set the time to Turn On Turn Oﬀ the units STANDARD Requ...

Страница 67: ...y separately 2 5 2 Sets a schedule for Monday to Friday and a separately schedule for Saturday and Sunday 3 6 1 Sets one schedule for Monday to Saturday and a separate schedule for Sunday 4 Weekly Sets one schedule from Monday to Sunday 3 SETTINGS Choose SETTING in the schedule menu and press MENU OK to open the schedule settings as shown in the picture below Press the Left or Right to move the cu...

Страница 68: ...or each day ACT Sets automatic ON OFF and the running mode FAN Sets the fan speed COOL When AUTO or COOL mode is set sets the cooling temperature value HEAT When AUTO or HEAT mode is set sets the heating temperature value After setting the schedule press MENU OK to conﬁrm and return to the homepage Press BACK to conﬁrm the setting and return to the previous level ...

Страница 69: ...set the amount of time by which the settings can be extended before returning to the predetermined schedule pattern Choose EXTENSION in the schedule menu and press MENU OK to enter this setting Press TEMP UP or TEMP DOWN to adjust the extension time to any of the following values 30 min 60 min 90 min 120 min 150 min 180 min and NONE cancels extension as shown in the picture below ...

Страница 70: ... on the menu interface and press MENU OK to enter this setting Press the LEFT or RIGHT button to move the cursor and press TEMP UP or TEMP DOWN to set the date as shown in the picture below Open the TIME setting and press the LEFT or RIGHT button to move the cursor and press TEMP UP or TEMP DOWN to set the time as shown in ﬁgure below ...

Страница 71: ...02011 67 WDC 120G WK A l a u n a M e c i v r e S Open 24 HOUR FORMAT and press TEMP UP or TEMP DOWN to select the time format as shown in the picture below When it is disabled the controller will use the 12 hour format ...

Страница 72: ...WDC 120G WK A 68 202011 s n o i t c n u F ...

Страница 73: ...y an hour at 2 a m on the speciﬁed end date Choose DAYLIGHT SAVING TIME on the menu interface and press MENU OK to enter this setting as shown below ENABLE DISABLE Press TEMP UP or TEMP DOWN to enable or disable the daylight saving time START Use the cursor to choose START and press MENU OK to enter the setting Press the LEFT or RIGHT button to move the cursor and press TEMP UP or TEMP DOWN to set...

Страница 74: ... n u F END Use the cursor to choose END and press MENU OK to enter this setting Press the LEFT or RIGHT button to move the cursor and TEMP UP or TEMP DOWN button to set the end time for daylight saving time as shown in the picture below ...

Страница 75: ...re display is set the current room temperature will be displayed on the homepage as shown in the picture below Choose ROOM TEMPERATURE on the menu interface as shown in the picture below and press MENU OK to enter this setting Press TEMP UP and TEMP DOWN to select whether to display the indoor temperature on the main screen ...

Страница 76: ...peed Setting 5 Schedule Setting Choose WIRED CONTROLLER LOCK on the menu interface as shown in the picture below and press MENU OK to enter this setting When ON OFF MODE TEMPERATURE FAN SPEED or SCHEDULE are locked the lock icon will display on the homepage as shown below The unit cannot be switched ON OFF using the ON OFF button when the ON OFF is locked When we press ON OFF while the unit is loc...

Страница 77: ... KEYPRESS TONE This is the thirteenth function on the quick reference menu Choose KEYPRESS TONE on the menu interface as shown in the picture below to enter this setting Press TEMP UP or TEMP DOWN to set the KEYPRESS TONE ENABLED or DISABLED as shown in the picture below ...

Страница 78: ...uick reference menu When the IDU LED setting is enabled the LED turns ON when the IDU starts Choose IDU LED INDICATORS on the menu interface as shown in the picture below and press MENU OK to enter this setting Press TEMP UP or TEMP DOWN to set whether the LED is ENABLED or DISABLED as shown in the picture below ...

Страница 79: ...the ﬁgure below and press MENU OK to enter this setting Press TEMP UP and TEMP DOWN to select whether to display the outdoor temperature or not 3 16 Interlock Function For HRV only When the interlock function display is set the current outdoor temperature will be displayed on the homepage as is shown in the picture below HRV needs to connect via PQE to VRF system and switch SW1 2 on HRV PCB needs ...

Страница 80: ...splay is set the icon will be displayed on the homepage as is shown in the picture below If an IDU does not have Sterilization Function this function of the wired controller will not be available Sterilization Function Display Icon Accessing the Sterilization Function Menu MENU KEYPRESSTONE INTERLOCK 3 3 MENU OK OFFTIMER DRY CONTACT LANGUAGE MENU DRY CONTACT 1 FAN MENU OK ENABLED MENU KEYPRESSTONE...

Страница 81: ...ting the Language Enter the Language setting Menu to choose the language as is shown in the ﬁgure below Press TEMP UP and TEMP DOWN to select the LANGUAGE as shown in the ﬁgure below The 4 languages that are available for this wired controller are English Polish French and Spanish MENU STERILIZATION MENU OK ENABLED MENU KEYPRESSTONE LED INDICATOR 3 3 MENU OK OFFTIMER LANGUAGE STERILIZATION MENU LA...

Страница 82: ...the Oﬀ Timer Setting Menu as is shown in the ﬁgure below Press TEMP UP and TEMP DOWN to select the Oﬀ Time as shown in the ﬁgure below MENU KEYPRESSTONE LED INDICATOR 3 3 MENU OK OFFTIMER STERILIZATION LANGUAGE Accessing the Off Timer setting menu MENU OFFTIMER MENU OK 0 MIN ...

Страница 83: ...an exhaust fan on the PCB of the HRV DRY CONTACT2 CTON represents the dry contact for connecting the Economiser from the HRV PCB side DRY CONTACT3 HTON represents the dry contact for connecting the Humidiﬁer from the HRV PCB side and controlling it Go inside the second level menu to Enable or Disable a Dry contact function the Enable or Disable here will mean the corresponding equipment will turn ...

Страница 84: ...WDC 120G WK A 80 202011 s n o i t c n u F ...

Страница 85: ...r any Group the number of IDUs is not consistent with the actual number of connected IDUs 85 2 FREQUENTLY ASKED QUESTIONS 86 FAQ 1 Group Control 86 FAQ 2 The remote controller signal cannot be received by the wired controller once it starts up 86 FAQ 3 The icon for group control in the IMMPRO and centralized controller 86 FAQ 4 The location of timer in the wired controller connection 86 FAQ 5 Sett...

Страница 86: ...t powered ON SOLUTION Turn ON the IDU CASE 2 REASON Wired Controller connection error SOLUTION First power OFF the IDU and check if the wired controller connection is correct or not Refer to the installation and commissioning part for correct wiring connections CASE 3 REASON Wired Controller is damaged SOLUTION Replace the wired controller CASE 4 REASON Power Supply failure of IDU board SOLUTION r...

Страница 87: ... REASON Main Secondary controller is not set when two wired controllers control one or multiple IDUs SOLUTION Set one wired controller to secondary wired controller CASE 3 REASON The D1 D2 line sequence of wired controller is inconsistent with that of the main wired controller SOLUTION Replace the wired controller CASE 4 REASON Wired Controller damaged SOLUTION Replace the wired controller CASE 5 ...

Страница 88: ...ed controller EEPROM fault CASE 1 REASON EEPROM data error SOLUTION Press MODE MENU TEMP UP TEMP DOWN for more than 3 seconds to reset the wired controller until the default status appears CASE 2 REASON Wired controller damaged SOLUTION Replace the wired controller ...

Страница 89: ...s have not been set or duplicate addresses SOLUTION Check and adjust the D1 D2 communication line Set the IDU addresses Make sure that there is no duplicate address in the same system CASE 2 REASON Main Secondary controller is not set when two wired controllers control one or multiple IDUs SOLUTION Set one wired controller to secondary wired controller CASE 3 REASON Board failure in individual IDU...

Страница 90: ...O is used to update the state of the IDU that does not have the smallest address this may result in the states of the other IDUs in group control to become inconsistent FAQ 2 The remote controller signal cannot be received by the wired controller once it starts up Solution Once the wired controller starts up the remote controller receiving function of the wired controller is disabled The user need...

Страница 91: ...1 WDC 120G WK A 202011 87 WDC 120G WK A Service Manual Part 5 Appendix 1 APPENDIX 1 88 2 APPENDIX 2 89 ...

Страница 92: ...Speed 11 EXV A position 12 EXV B position 13 EXV C position 14 Operating Mode 15 Priority Mode 16 Total Capacity requirement correction of indoor unit 17 Number of outdoor units 18 Total capacity of outdoor unit 19 Inverter Module heatsink temperature A C 20 Inverter Module heatsink temperature B C 21 22 23 Plate heat exchanger outlet temperature T6B C 24 Plate heat exchanger inlet temperature T6A...

Страница 93: ... of the wired controller The information which are on oﬀer are as follows No Information 1 IDU Communication Address 2 Capacity HP of IDU 3 IDU network address 4 Set Temperature Ts 5 Room Temperature 6 Actual T2 indoor temperature 7 Actual T2A indoor temperature 8 Actual T2B indoor temperature 9 Fresh Air unit Ta temperature 10 11 Target Superheat degree 12 EXV degree 13 Software version no 14 Fau...

Страница 94: ...WDC 120G WK A 90 202011 x i d n e p p A ...

Страница 95: ......

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