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Optional PCB Training Course

Optional PCB Training Course. Andy Granville. Optional PCBs - Contents. Introduction to Optional PCB boards Split units KRP413A1S KRP928B2S Sky air units KRP4A53 DTA112B51 VRV and Centralised control connection KRP2A52 DTA102A52 DCS302A52 DTA104A51 DTA103A51 DEC101A51 DEC102A51.

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Optional PCB Training Course

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  1. Optional PCB Training Course Andy Granville

  2. Optional PCBs - Contents • Introduction to Optional PCB boards • Split units • KRP413A1S • KRP928B2S • Sky air units • KRP4A53 • DTA112B51 • VRV and Centralised control connection • KRP2A52 • DTA102A52 • DCS302A52 • DTA104A51 • DTA103A51 • DEC101A51 • DEC102A51

  3. Optional PCBs • KRPs and DTA boards are essentially interface boards that allow 2 way communication with an external source. • Each PCB can have numerous settings and function differently depending on the signal provided to them. • Not all KRPs and DTAs are compatible with every Fan coil unit due to how they connect.

  4. Splits FVX, FVK, FLX, FLK, FDX, FDK, FTXS units. • KRP413A1S – Not for use with G series wall mounts!! • This board gives the ability to switch the units on & off remotely (from BMS or timeclock) BMS stands for Building Management System. This KRP is also capable of providing a fault run signal and has the ability to change the units operation. • 1 Per Fan Coil • Use KRP928A2S for G Series Wall mounts. • KRP928B2S • This board gives split units the ability to be linked to a Daikin centralised controller (I Controller etc …) via the F1 F2 communications loop. This board is also used for the G Series Wallmounts to provide the ability to switch the units on & off remotely • 1 Per Fan Coil

  5. Full installation manual KRP413A1S • This KRP is for use with Daikin Split units (excluding G Series Wallmounts!) • This boards main function is to switch the units on & off remotely but can be used to provide a fault signal and although rarely used can also change fan speed and operation mode. • The KRP413A1S is designed to plug directly into the indoor PCB board in the S21 Connector and then be mounted on the wall in the fixing box that is included.

  6. KRP413A1S - Switches • As with most KRPs there are numerous settings on the PCB which change the functionally of how it operates. • There are 2 dip switches on the PCB SW1-1 & SW1-2. SW1-1 determines if the FCU remote manually overides the KRP on off signal. SW1-2 determines if the unit will auto restart.

  7. KRP413A1S – On/Off signal The On Off signal is provided to the KRP using the S1&S2 contact on the left hand side of the board using either a Pulsed or Constant Contact volt free signal. Generally speaking in the UK a constant volt free contact is provided. A Volt free signal is a very low (usually milliamp) power signal that just has enough energy to close a relay Link

  8. S 6 KRP413A1S Constant contact from time clock (No auto re start) all remote controller functions available S 4 S 8 1 2 1 2 S 1 1 2 1 2 3 S 5 S 2 1 2 SW1 S 3 1 2 Link 1 2 S S OFF ON To fan coil Socket S21 The above example is to be used for volt free time clock control constant contact

  9. S 6 KRP413A1S • Constant contact from time clock • (auto re start) • all remote controller functions available S 4 S 8 1 2 1 2 S 1 1 2 1 2 3 S 5 S 2 1 2 SW1 S 3 1 2 Link 1 2 S S OFF ON To fan coil Socket S21 The above example is to be used for volt free time clock control constant contact

  10. KRP413A1S • Pulsed on/off contact, “auto restart”, with • all remote controller functions available 1 2 1 2 S 4 S 8 S 1 1 2 1 2 3 S 5 S 2 1 2 Pulse width Required Of 100m/sec or more SW1 S 3 1 2 1 2 S S OFF ON S 6 To fan coil Socket S21 The above example is to be used for volt free time clock control pulsed contact

  11. KRP413A1S Pulsed on/off contact, “No auto restart”, with all remote controller functions available S 4 S 8 1 2 1 2 1 2 3 S 1 1 2 S 5 S 2 1 2 Pulse width Required Of 100m/sec or more SW1 S 3 1 2 1 2 S S OFF ON S 6 To fan coil Socket S21 The above example is to be used for volt free time clock control pulsed contact

  12. S 6 KRP413A1S – Fault & Run Signal • This KRP is also capable of providing a fault run signal although doing so is not always possible as you need to provide the board with a external12v signal. Daikin UK used to be able to supply a board called the UK.KRP413/IF that took a12v supply from the indoor unit PCB but unfortunately this has been discontinued. _ + S 4 S 8 1 2 1 2 12v dc S 1 1 2 1 2 3 S 5 S 2 1 2 SW1 S 3 1 2 Link 12v/24vac 240vac 1 2 S S OFF ON Run indication Fault indication To fan coil Socket S21

  13. KRP413A1S – Fault, Run & Fan speed & Mode slector • Although very really used this KRP also can be used to change the fan speed and operation mode. 12v dc + 1 2 S 4 S 8 1 2 T/C System on (Low Fan speed signal) _ S 1 1 2 1 2 3 S 5 Medium speed S 2 1 2 SW1 High speed S 3 12v/24vac 240vac 1 2 S 1 2 S Heating available OFF ON Fault indication Cooling available Run indication S 6 The above example is to be used for volt free time clock control constant contact, a remote Heat / cool input is required, and a remote Fan speed input. The remote controller is now purely available for temperature adjustment and air flow direction, no other functions are available To fan coil Socket S21

  14. Full installation manual KRP928B2S • This board gives split units the ability to be linked to a Daikin centralised controller (I Controller etc …) via the F1 F2 communications loop. • 1 Per Fan Coil • This board can also be used in place of the KRP413A1S and must be used with G Series Wall mounts toy to switch the units on & off remotely (from BMS or timeclock) • 1 Per Fan Coil

  15. KRP928B2S Connection for connector harness (S6) to room air conditioner (S21) • To connect the indoor units to a DIII net (F1/F2 communication, e.g. Centralised or I-Touch Controller) Group/Address numbers are set by the dip switches SW1 SW2 S1 Terminals are used to turn the unit on and off via a volt free signal S8 Terminals to supply a DC12V required to enable terminals S5 SW3 Switches; 1 – Japan / Europe 2 – Constant /pulsed input 3 – Forced stop settings switch S5 Terminals are to provide a fault run signal in exactly the same way as the KRP413A1s

  16. KRP928B2S – SW3 Switches SW3-3 ON For use when connecting to overseas models. Auto mode can be selected from central control equipment. When auto mode is selected using the local remote controller, auto cooling or auto heating will be displayed on the central remote controller SW3-3 OFF For use when connecting to Japanese models. Auto mode cannot be selected from central control equipment . When auto mode is selected using the local remote controller, auto cooling or auto heating will be displayed on the central remote controller. At this time the temperature display is fixed at 25°c SW3-2 On – Pulsed input SW3-2 Off – Constant Contact SW3-1 - Forced stop settings switch

  17. KRP928B2S – Address setting, SW1&2 Switches When linking a split unit to a centralised system an address will need to be entered for that unit so the control system can recognise it. This is done using the SW1&2 switches setting the group number and unit number There are 8 possible groups with 16 items per group therefore 128 different address can be set

  18. Sky Air Units For FHQ, FFQ, FCQ, FCQH, FUQ, FBQ, FDQ, FVQ units • KRP4A53 • The main function of this board is to switch the units on & off remotely via a volt free signal (from BMS or timeclock) and give a fault or run signal, it also ha s some other functions that we will look at in further detail • 1 Per BRC1D Controller • KRP4A53-1 • As above but also lets a BMS tell the unit(s) which setpoint temperature to use via a 0-10v DC signal – We do not sell this anymore as temperature setting can be more easily achieved using the new RTD boards. • KRP1B57 • FHQ, FFQ, FBQ, FCQ, FCQH, FDQ, FVQ units only • This Board gives a signal to a third party that indicates the fan is running on the indoor unit. This board is usually used when an additional fan is putting fresh air either into the same room or directly into the fan coil. • DTA112B51 • FAQ100B, FHQ, FFQ, FUQ, FBQ, FDQ, FVQ units only (FAQ71, FCQ & FCQH units do not need this board as they already have F1 F2 connections) • This board gives Sky Air units the ability to be linked to a Daikin centralised controller (I Controller etc …) via the F1 F2 communications loop • 1 Per BRC1D Controller

  19. Full installation manual KRP4A53 This commonly used adapter board is the most flexible and adaptable in the range. It can be used for: • Time clock control • Fire shut down • Remote temperature set point control. • Run and fault indication. • Disabling on, off and temperature buttons on remote controllers. • Using the remote controller P1/P2 wiring it can be connected to a maximum 16 fan coils all connected to the same remote controller. • The KRP is externally mounted in all current units apart from the FDQ and FXMQ FCUs and can no longer be mounted internal in the FBQ-C and FXSQ-P ducted units. A separate fixing box (UK.FB2) is required

  20. KRP4A53 – Wiring Diagram 16 VOLT DC POWER SUPPLY AVAILABLE FROM FAN COIL SOCKET X18A W1 D1 W2 D2 W3 P1&P2 TRANSMISION SIGNAL CABLES 1 BOARD REQUIRED PER 1 REMOTE CONTROLLER OPERATION INDICATION W4 LED-H10P REMOTE POWER SUPPLY AC 24v/ AC 240v DC 24v P1 LED-HAP EB9374-1 SS1 P2 RS1 0 1 2 FAULT INDICATION 3 4 SS2 P1 P2 _ X35A A A B1 B2 BC + ON / OFF VOLT FREE CONTACT REMOTE TEMPERATURE ADJUSTMENT FACILITY OBTAINED BY VARIABLE RESISTANCE INPUT FIRE SHUT DOWN CONTACT

  21. KRP4A53 –Switches and Settings W1 D1 RS1 – This Rotary switch is the mode selector switch (factory set 0) used for selecting the type of system operation permitted by the remote controller. W2 D2 SS1 – This switch is used to change from ‘Volt’ to ‘non volt’ input. In the UK we only use a non volt input. W3 W4 LED-H10P P1 LED-HAP EB9374-1 SS1 P2 RS1 0 1 2 3 4 SS2 _ A A B1 B2 BC + SS2 – Temperature setting switch used to prohibit the use of the temperature setting buttons on the remote controller

  22. KRP4A53 – RS Switch Settings • Run and Trip indication only • Set RS1 to 0 • The B1, B2 and BC terminals will not be operational. Run and trip signals will • be available from terminals • W1-W2 & W3-W4 • Computer rooms etc • Set: RS1 to 1 • SS1 to Non Volt • SS2 to Impossible • When terminals B1 to BC are shorted the fan coils will run, it will be impossible • to turn the fan coils off from • the remote controller or adjust the set point temperature. • When terminals B1 to BC are opened the fan coils will stop and you will not be • able to start the fan coils from the remote controller. RS1 0 1 2 3 4

  23. KRP4A53 – RS Switch Settings Offices etc Set: RS1 to 2 SS1 to Non Volt When terminals B1 to BC are shorted the fan coils will run, it will be possible to turn the fan coils off and back on from the remote controller. When terminals B1 to BC are opened the fan coils will stop and you will not be able to start the fan coils from the remote controller. Meeting rooms etc Set: RS1 to 4 SS1 to Non Volt When terminals B1 to BC are shorted the fan coils will not run, it will be possible to turn the fan coils on and back off from the remote controller. When terminals B1 to BC are opened the fan coils will stop and you will not be able to start the fan coils from the remote controller. RS1 0 1 2 3 4

  24. KRP4A53 – RS Switch Settings Pulsed time clocking from BMS Set: RS1 to B SS1 to Non Volt When terminals B1 to BC are shorted for 300m/s the fan coils will run, it will be possible to turn the fan coils off and back on from the remote controller. When terminals B2 to BC are shorted for 300m/s the fan coils will stop, it will be possible to turn the fan coils off and back on from the remote controller. Fire shut down terminals B2 and BC When Rs1 is set to 1,2,or 4 When these terminals are shorted the fan coils all stop it will not be possible to restart the fan coils until the connection is broken. A start signal will then need to be sent to the KRP from the time clock or from the remote controllers. RS1 0 1 2 3 4

  25. KRP4A53 A+ A- Terminals • Temperature setting via the KRP is possible (as per below) but generally speaking quite difficult to do as a variable resistance (Ohms) signal needs to be sent to the A+A- terminals. Daikin used to offer the KRP4A53-1 to change the temperature via a 0-10v signal this has been withdrawn and an RTD board should now be recommended for temperature setting. Use the S22 switch to determine if temperature setting is also available using the remote control (possible/impossible) SS2

  26. KRP4A53

  27. Full installation manual DTA112B51 - FAQ100B, FHQ, FUQ, FDQ, FVQ units only (FAQ71, FCQ, FCQH & FBQ -C units do not need this board as they already have F1 F2 connections) This adapter PCB allows a sky air unit or group of units to be connected to a centralised controller for group control. 1 PCB per controller is required This is an adapter PCB which push fits onto the PCB of all fan coils, on plug ref. X60a and X61a of the indoor PCB This is the relay PCB which is mounted on PCB feet inside the pcb tray of the fan coil. This gives us our F1 and F2 connection needed to attach our centralised controller on Once fitted an address code will be required to be put into the controller to give the unit an identity for centralised control Once this PCB is connected an F1 and F2 connection is available for Group or centralised control

  28. DTA112B51 – FFQ Models F1 and F2 connection wires On the FFQ models you only require the adapter pcb which push fits onto the main pcb. The 2 core blue cable then wires into the spare F1 and F2 terminals on the indoor fan coil terminal block

  29. DTA102A52 Interface Adaptor for FXUQ-M This adapter pcb allows a FXUQ unit or group of units to be connected to a centralised controller for group control. 1 pcb per controller is required This is an adapter pcb which connects to the FXUQ-M indoor units, on plug ref. X30A of the indoor pcb This is an adapter pcb which is mounted on pcb feet inside the pcb tray of the fan coil.This gives us our F1 and F2 connection needed to attach our centralised controller on Once fitted an address code will be required to be put into the controller to give the unit an identity for centralised control Once this Pcb is connected an F1 and F2 connection is available for Group or centralised control

  30. Full installation manual KRP2A52 • This board is essentially the same as the KRP4A53 but gives the ability to switch an entire VRV system or VAM unit on & off remotely via a volt free signal and also the ability to give a fault or run signal. It also has all the other functionality of the KRP4A53 • 1 Per F1 F2 loop • Cannot be used when a centralised controller is used on the system • Using the centralised F1/F2 wiring it can be connected to a Max 64 fan coils or 10 condensing units.

  31. KRP2A52 - Installation • This interface board needs to be installed on the F1 & F2 loop of the VRV System. It can either be installed directly in the Condensing unit using the space provided • Or it can be installed on in the first or last BSVQ box on the F1 F2 loop.

  32. W1 D1 W2 D2 W3 W4 LED-H10P F1 LED-HAP EB9374-1 SS1 F2 RS1 0 1 2 3 4 SS2 SS3 _ A + A B1 B2 BC KRP2A52 16 VOLT DC POWER SUPPLY AVAILABLE FROM BSVQ Box or Condensing unit F1&F2 TRANSMISION SIGNAL CABLES TO A MAXIMUM OF 100 HP CONNECTION OPERATION INDICATION FAULT INDICATION F1 F2 REMOTE TEMPERATURE ADJUSTMENT FACILITY OBTAINED BY VARIABLE RESISTANCE INPUT ON / OFF VOLT FREE CONTACT FIRE SHUT DOWN CONTACT

  33. KRP2A52 SS1 Up position = volt free Start /stop signal SS1 Down position = voltage Start/stop signal SS2 Up position = remote controller Temperature adjustment impossible SS2 Down position = remote controller Temperature adjustment possible H10P red led normal out light on when wiring problem W1 D1 W2 D2 W3 W4 LED-H10P LED-HAP F1 EB9374-1 SS1 F2 RS1 HAP green LED normal blinking 0 1 2 3 UNIT RUN T/C OFF T/C ON R/C ON/OFF AVAILABLE R/C ON/OFF AVAILABLE 4 SS2 SS3 NO NO  RS1 = 1 RS1 = 1 NO  YES NO NO  _ A + RS1 = 2 A B1 B2 BC  YES YES NO NO  SS3 Down position = Individual “fan coil” Run & fault monitoring SS3 up position = All fan coils Run & fault monitoring RS1 = 4 POSS YES  Temperature required °C 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 0.0 5.0 13.8 22.4 31.0 39.4 48.2 56.6 65.2 73.8 82.4 91.0 99.4 108.6 117.2 125.8 134.2 Resistance required | | | | | | | | | | | | | | | | |  3.4 11.6 20.0 28.4 36.4 44.8 52.8 61.2 69.4 77.8 85.8 94.0 102.2 110.4 119.2 127.4 140.

  34. KRP2A52

  35. Full installation manual DCS302A52 This board acts in the same way as the KRP2A52 but is used in its place when a centralised controller is connected, this PCB connects directly to the centralised controller W1 W2 W3 Operation indication W4 LED-H10P Remote power supply AC 24v/ AC 240v DC 24v LED-HAP SS1 RS1 0 1 2 Fault indication 3 CN2 Centralised controller B1 B2 BC Fire shut down contact F1&F2 Transmission wiring Temperature control contact Out of hours Time clock contact

  36. Full installation manual DTA104A51 • The DTA104 board has two possible functions, both are directly related. Reducing sound - Low noise control • The DTA104 reduces the operational sound output from a VRV Condenser by limiting the fan and compressor speeds. This setting is usually used at nightime to limit possible sound nuisances. By using this setting you will also limit the capacity of the outdoor unit so caution should be used when applying this accessory. The only published figures for the reduction in sound relate to the VRV-S units, which at the highest setting will reduce the sound output by between 10-12dBA (VRV-S Noise reduction figures) Demand Control • This setting limits the power used by the outdoor unit, it also has the effect of limiting the capacity of the condenser so again caution should be used when using this board, and is usually used in low demand periods (i.e. night time) There are three settings achievable with this adaptor • Whether you require demand control or low noise control you will need an external connection from another controlling source (BMS, timeclock etc) in order to activate the features of the adaptor via a volt free contact. The adaptor will also require an address setting so the condenser recognises it is installed and connection to the F1 F2 wiring loop. • This board will also allow you to control Heat/Cool Changeover. The board is connected to an indoor unit.

  37. DTA104A51

  38. DTA104A51

  39. Full installation manual DTA103A51 – External Item Control Device Interface This adapter board is linked to a Centralised controller and is used to monitor operation and turn external ‘non Daikin’ items on and off such as; • Lights • Fans • Pumps • Etc • The board connects to the F1 F2 loop which links into the central control. An Icon will be displayed on the ITC which will allow easy operation for the end user and also indicate if that piece of equipment is in fault. • The board is one of the largest adaptor boards we offer dimensions are; 230mm x 230mm

  40. SS1 RS1 RS2 0 0 DTA103A51 – Wiring Diagram SS1 – This switch is used to change from ‘Volt’ to ‘non volt’ input. In the UK we only use a non volt input. RS1 RS2 Switches used for address setting SS2 Switch turns individual mode on/off SS3 Switch turns malfunction signal on/off B1 B2 BC Run/Fault indication Inputs SS2 SS4 Switches control output mode SS3 Power supply terminals 240v L N E SS4 LED-10 LED-A W1 W2 W3 W4 Run and trip signal output F1 F2 terminals F1 F2 B1 B2 BC W1 W2 W3 W4

  41. Full installation manual DEC101A51 – Digital input Adapter DEC101A51: digital input • Connects to F1/F2 wiring • 8 devices connectable (8 inputs) • Transmission of contact information (On/Off, equipment abnormality) to intelligent controller through DIII-net communication

  42. DS1 RS1 DS3 DS2 DS5 DS4 DS6 DEC101A51 – Wiring Diagram L F1 240 volt N F2 Operation/Fault Monitoring Only 8 x Auxiliary Device alarm input commands 8 x Auxiliary Device Start/stop input commands CA A1 A2 A3 A4 A5 A6 A7 A8 CM M1 M2 M3 M4 M5 M6 M7 M8

  43. DEC101A51 - Switch Settings • To select the amount of contacts to be used: • Turn off power supply • Short out the pins marked TP1 • Turn the power supply back on • Select the amount of contacts to be used via DS4 / DS5 • Turn off the power supply whilst keeping the pins TP1 shorted out • Return DS4 / DS5 to the factory set positions (all off) • Break the connection across the pins TP1 • Turn the power supply back on • The relevant amount of green LED’s will now indicate the correct number of contacts being used • To select whether the alarm inputs are N/O or N/C: • Turn off the power supply • Select the style of alarm input per individual contact via DS2 / DS3 (factory set to off = open circuit for alarm input) • Turn the power supply back on • The red LED’s should now go off providing the correct contacts are connected

  44. Full installation manual DEC102A51 - Digital Input / Output Adapter DEC102A51:digital input/output • Connect to F1/F2 wiring • 4 devices connectable • Transmission of contact information (On/Off, equipment abnormality) to I-controller through DIII-net communication • Output and input functionality

  45. DS1 RS1 DS3 DS2 DS5 DS4 DS6 DEC102A51 - Digital Input / Output Adapter (4 x Devices connectable) L F1 240 volt N F2 x x x x 4 x Remote Alarm / Run output Indications D4 D3 D2 D1 CD Outputs can be used as start signal for external (Non-Daikin) items. CA CA CA A1 A2 A3 A4 4 x Auxiliary Device Start/stop input commands CM M1 M2 M3 M4 M4 M4 M4 SS1 4 x Auxiliary Device alarm input commands

  46. DEC102A51 – Switch Settings

  47. DEC102A51 – Switch Settings

  48. DEC102A51 – Switch Settings • To select the amount of contacts to be used: • Turn off the power supply • Short out the pins marked TP1 • Turn the power supply back on • Select the amount of contacts to be used via DS3 • Turn off the power supply whilst keeping the pins TP1 shorted out • Return DS3 to the factory set position (all off) • Break the connection across the pins TP1 • Turn the power supply back on • The relevant amount of green LED’s will now indicate the correct number of contacts being used • To select whether the alarm inputs are N/O or N/C: • Turn off the power supply • Select the style of alarm input per individual contact via DS2 • (factory set to off = open circuit for alarm input) • Turn the power supply back on • The red LED’s should now go off providing the correct contacts are connected

  49. Optional PCBs THE END

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