Samsung MXD-A16K1X025A Installation Manual Download

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AHU-KIT heat exchanger EVA OUT sensor detachment error

Outdoor unit display

↔

xxx (xxx : Address of an indoor unit with an error)

Explanation

Refer to below explanation.

Reason

Indoor heat exchanger OUT sensor detachment.

1) Self check

• Check for AHU-KIT heat exchanger OUT sensor. Make sure it is in the correct location.

1) Explanation

• When testing run in Cool mode (Please, press the button for the test run inside the outdoor unit)

Tcond, out-Tair, out > 3˚C

Tair, in-Teva, in > 4˚C

Tair, in-Teva, out > 4˚C

Compressor,Indoor unit in operation.

Thermo ON

Error message

Indoor heat exchanger OUT sensor

detachment error

• Wired remote controller will show the same error shown in the outdoor unit.

Sensor Error

AHU-KIT heat exchanger IN sensor detachment error

Outdoor unit display

↔

xxx (xxx : Address of an indoor unit with an error)

Explanation

Refer to below explanation.

Reason

Indoor heat exchanger IN sensor detachment.

2) Self check

• Check for IN sensor of AHU-KIT heat exchanger. Make sure it is in the correct location.

1) Explanation

• When testing run in Cool mode (Please, press the button for the test run inside the outdoor unit)

Tcond, out-Tair, out > 3˚C

Tair, in-Teva, in > 4˚C

Tair, in-Teva, out > 4˚C

Compressor,Indoor unit in operation. Thermo ON

Error message

Indoor heat exchanger IN sensor

detachment error



TROUBLESHOOTING

(Continued)

Note

• When conditions shown in above table occurs, it is classified as

↔

xxx

• When conditions shown in above table occurs, it is classified as

↔

xxx

MXD-A16K1X025A_E_31836-1.indd 23

2010-03-12 ｿﾀﾈﾄ 12:43:07

Summary of Contents for MXD-A16K1X025A

Page 1: ...NSTALLATION MANUAL Air Handling Unit Application Kit MXD A16K1X025A MXD A22K1X050A MXD A22K2X075A MXD A22K2X100A Air Conditioner DB98 31836A 1 E MXD A16K1X025A_E_31836 1 indd 33 2010 03 12 ｿﾀﾈﾄ 12 43 08 ...

Page 2: ...erminal 13 Control KIT Connections 14 Brazing the Pipe 14 EEV KIT Installation 15 IN OUT Sensor Installation 16 FUNCTION SETTING 19 Setting the Address 19 Setting the Main Address 20 Setting the Controller Address 20 Setting Up Function Switch 21 TROUBLESHOOTING 22 Initial Check up 22 EEPROM Error 22 Sensor Error 23 Fan Error 25 How to Inspect Just in Case the Below Condition is Satisfied 26 In tr...

Page 3: ... come into the refrigerant pipe serious problem may occur and it may cause injury Install the outdoor unit correctly according to the installation manual An incorrect installation may cause a water leakage electric shock or fire and so on Manufacturer is not responsible for accidents due to incorrect installation by unqualified person Use the pipe or flare part for R410A refrigerant only When ther...

Page 4: ...t wet if the drain pipe is not properly installed Do not install the air conditioner in following places The place where there is mineral oil or arsenic acid There is a chance that parts may get damaged due to burned resin The place where corrosive gas such as sulfurous acid gas generates from the vent pipe or air outlet The copper pipe or connection pipe may corrode and refrigerant may leak The p...

Page 5: ...rance EEV KIT Control KIT No Parts and components 1 EEV body 2 Lower insulation 3 Upper insulation 4 Holder 5 Cover 6 Clamp No Parts and components 1 Controller board 2 Case 3 Cover MXD A16K1X025A_E_31836 1 indd 5 2010 03 12 ｿﾀﾈﾄ 12 42 52 ...

Page 6: ...um tape Rubber tape Insulator 2 5HP 5HP MXD A16K1X025A A22K1X050A 7 5HP 10HP MXD A22K2X075A A22K2X100A QUANTITY 1 2 4 2 2 IMAGE 10m ITEM Cable tie Cable nut Bracket Base Installation Manual Screw plug Wired Remote Controller optional PG16 PG16 QUANTITY 8 6 4 1 2 1 IMAGE 110 85 110 85 170 100 ACCESSORIES MXD A16K1X025A_E_31836 1 indd 6 2010 03 12 ｿﾀﾈﾄ 12 42 54 ...

Page 7: ...HU Internal Heat Exchanger Volume Allowance Minimum Maximum Minimum Maximum MXD A16K1X025A 7 8 75 1 200 1 500 MXD A22K1X050A 14 17 5 2 150 2 688 MXD A22K2X075A 21 26 25 3 100 3 875 MXD A22K2X100A 28 35 4 000 5 000 Evaporating Temperature 7 C Superheat 1 C Air temperature 27 CDB 19 CWB BEFORE INSTALLATION When the controllers External Controller simple BMS Remote Controller are installed simultaneo...

Page 8: ...e below 3 Fix the cable firmly with Cable tie after connecting 4 Close the box INSTALLATION 1 2 3 4 1 2 3 4 1 2 3 4 Transformer External Controller MIM B14 Main PBA Terminal Block 1 2 3 4 1 2 3 4 1 2 3 4 Cable tie Cable nut Make sure that Control KIT should be installed within 5m from the EEV KIT Supplied wire in the Accessory box is 10m Close the box with the cover and cable nut securely so that ...

Page 9: ...ive the fan operation status This input signal should be simple OPEN SHORT signal without any extra voltage Normal fan operation Terminal block 3 4 is in SHORT Fan is not in operation Terminal block 3 4 is in OPEN To use fan feedback to protect your system set the function switch K12 Refer to page 21 to OFF position Connect 220 240V 50Hz to terminal block 1 L 2 N You should connect outdoor unit co...

Page 10: ...10 Control KIT Circuit Diagram AHU KIT sensor has approximately 10 of resistance value at indoor temperature of 25 C INSTALLATION Continued MXD A16K1X025A_E_31836 1 indd 10 2010 03 12 ｿﾀﾈﾄ 12 42 57 ...

Page 11: ... In order for AHU KIT to be controlled by External control K11 located on Main PBA of AHU KIT should be off position Simple BMS Circuit diagram of Simple BMS Cool Heat COM AV1 AV2 Shielding EX setting up 22 Voltage decreasing temperature increasing temperature 4 8V 4 6V 4 4V 4 65V 4 25V 4 55V 4 95V The areas of 23 The areas of 22 The areas of 21 Hysteresis is applied to the end of voltage range in...

Page 12: ...ep the power supply of Simple BMS in 10 V 0 2 V If the Simple BMS uses variable resistor VR make the electric resistance of VR under 1 Simple BMS which uses variable resistor VR need to be connected to the AHU KIT with 1 1 link Use the Simple BMS which outputs voltage so that one Simple BMS controls several AHU KIT at the same time AHU KIT AHU KIT BMS_Temp Set DC10V V1 47K F 47K F VCC_CIRCLE 47K F...

Page 13: ...Specifications TR TR Thermistor Room 2 x 0 75mm2 accessory 10 m 12V DC TEI TEI Thermistor In Gas pipe 2 x 0 75mm2 accessory 10 m 12V DC TEO TEO Thermistor Out Liquid pipe 2 x 0 75mm2 accessory 10 m 12V DC V1 V2 Remote Controller Optional 2 x 0 75mm2 Remote Controller Power 12V DC F3 F4 Communication to Remote Controller 2 x 0 75mm2 COM HP CO Simple BMS AV 0V Simple BMS Temperature 2 x 0 75mm2 Simp...

Page 14: ...k Non voltage contact signal v POWER AC FAN ON AC FAN CHECK Brazing the Pipe Make sure that there is no moisture inside the pipe Make sure that there are no foreign materials and impurities in the pipe Make sure that there is no leak Be sure to follow the instruction when brazing the pipe 1 Use Nitrogen gas when brazing the pipes as shown in the picture 2 If you do not use Nitrogen gas when brazin...

Page 15: ...n with peeling protective layer of upper insulation 9 Fatsen the holder with 1 screw and close the EEV KIT cover with 4 screws INSTALLATION Continued A High pressure pipe from outdoor unit IN Diameter Ø9 52mm B High pressure pipe to AHU heat exchanger OUT Diameter Ø9 52mm Refrigerant flow under cooling mode 1 2 Make sure that EEV KIT should be installed within 5m from the heat exchanger and Contro...

Page 16: ...here room air enters INSTALLATION Continued Braze the sensor holder at location suggested above and fix the sensor with sensor clip IN OUT sensor should be installed where temperature of heat exchanger can be measured accurately Note Example of room temperature sensor installation Select IN OUT sensor location 200mm 2 OUT sensor 1 IN sensor Header Distributor Cooling Mode Heating Mode Refrigerant ...

Page 17: ... where temperature can be measured correctly Refer to page 16 Try to attach closely to the contact surface before brazing Distinguish IN OUT sensor and attach it IN OUT sensor size is different Note 5 Attach the insulator around the sensor Insulator Type Sensor OD mm Sensor holder ID mm IN sensor Ø 6 Ø 6 8 OUT sensor Ø 7 Ø 7 8 Sensor holder Pipe Sensor clip Sensor holder Sensor Insulator Sensor Se...

Page 18: ... 3 Hold the sensor and put aluminum tape around to fix the sensor 5 Use cable tie to tighten the sensor around the pipe Cable tie 6 Attach the insulator around the sensor Insulator 4 Put rubber tape around the sensor Type Sensor OD mm Sensor holder ID mm IN sensor Ø 6 Ø 6 8 OUT sensor Ø 7 Ø 7 8 Rubber tape Sensor Sensor Pipe Aluminum tape Sensor Aluminum tape Sensor Insulator Cable tie Rubber tape...

Page 19: ...have to set up the address Use MAIN and RMC switch to set the AHU KIT address 2 5HP MXD A16K1X025A 5HP MXD A22K1X050A Connect EEV to CN62 Only Do not connect CN60 7 5HP MXD A22K2X075A 10HP MXD A22K2X100A Connect EEV to CN62 CN60 Match the color of EEV connector and the socket Use the rotary switch to set up the address for each of the AHU KIT Default setting is 0 FUNCTION SETTING Try not to touch ...

Page 20: ...in PBA MIM B14 Interface Module Channel 2 Channel 0 Channel 1 SW03 Channel 0 Channel 0 1 Channel 1 2 Channel 2 Others Channel 2 Setting the Main Address Main address is the standard address for the communication between the outdoor unit and the AHU KIT If the main address is not set up appropriately communication error can occur and the AHU KIT may not operate Use both SW01 and SW02 to set the mai...

Page 21: ...it EEV Indoor 80 step fixed 0 or 80 step K10 Setting up Master Imdoor Slave Master K11 External control Disable Enable K12 Setting up External control output signals Thermo ON OFF Operating ON OFF K1K2K3K4 K5K6K7K8 K9K10K11K12 Factory default SW05 K3 K4 switches are all set in ON position as factory default In case of operating other capacity set the switches following the table Ex FUNCTION SETTIN...

Page 22: ...2 Ensure that power voltage is AC 187V AC 253V 3 Check each of the accessories and make sure they are in good condition CN32 DC 11 13V both ends IC02 G O DC 4 5 5 5V both ends TRANS Output AC 16 18V Outdoor unit display Explanation Internal communication error between EEPROM and MICOM Reason Require to change PBA due to Bad EEPROM EEPROM Error Wired remote controller will show the same error shown...

Page 23: ...own in the outdoor unit Sensor Error AHU KIT heat exchanger IN sensor detachment error Outdoor unit display xxx xxx Address of an indoor unit with an error Explanation Refer to below explanation Reason Indoor heat exchanger IN sensor detachment 2 Self check Check for IN sensor of AHU KIT heat exchanger Make sure it is in the correct location 1 Explanation When testing run in Cool mode Please press...

Page 24: ...PBA socket and restart the system No Yes Yes Yes Change the room temperature sensor No Temp C Resistance value 70 2 2 60 3 0 50 4 2 40 5 8 30 8 3 20 12 1 10 18 0 0 27 3 10 43 0 Is the resistance value larger than the number shown in the table on the right Outdoor unit display ROOM sensor OPEN SHORT IN sensor OPEN SHORT OUT sensor OPEN SHORT Explanation When OPEN SHORT signal is received for temper...

Page 25: ...Do you need fan feedback No Connect feedback signal to fan check terminal on Control KIT Ensure that DIP switch K12 on Control KIT is OFF Yes Check the AHU fan control No When the AHU fan is operating does fan feedback cable offer SHORT signal Re arrange the Control KIT circuit again to output the appropriate fan feedback signal depending on the fan operation status No Yes Yes TROUBLESHOOTING Cont...

Page 26: ...VA OUT sensor in appropriate location No Is EEV coil connected to PBA No Is EEV coil correctly installed No Did you add adequate amount of additional refrigerant No Change the Control KIT PBA Yes Yes Yes Yes Attach the OUT sensor behind the heat exchanger Header Check the attachment of the sensor 10 HP unit has 2 EEVs connected to 2 different sockets in PBA 5 HP unit has single EEV connected to si...

Page 27: ...re wave over DC 0 7 Check the communication cables between the AHU KIT and outdoor indoor units When there is no error connect just one AHU KIT to check them individually When the error still occurs change the AHU KIT PBA Yes Set the correct number of AHU KIT on outdoor unit PBA and press the reset key K3 to restart the tracking Is there no response on the display in tracking No Wait for 2 minutes...

Page 28: ...oor units When there is no error connect just one AHU KIT to check them individually When the error still occurs change the AHU KIT PBA Are the voltage between the cables verified as square wave over DC 0 7 as shown in the below graph No Wait for 2 minutes and find the AHU KIT with the communication error Check if the address on PBA is same with any others Communication error occurs when the addre...

Page 29: ...ined well Do not install the EEV KIT in or on the outdoor unit 3 Ensure that IN OUT sensor is correctly attached IN sensor should be attached after the distributor on the coldest part of the heat exchanger piping Ensure that the sensor is insulated OUT sensor should be installed approximately 200mm behind the header of AHU heat exchanger Test Operation 1 Before turning the power on use DC 500V ins...

Page 30: ...30 MEMO MXD A16K1X025A_E_31836 1 indd 30 2010 03 12 ｿﾀﾈﾄ 12 43 08 ...

Page 31: ...31 MEMO Continued MXD A16K1X025A_E_31836 1 indd 31 2010 03 12 ｿﾀﾈﾄ 12 43 08 ...

Page 32: ...MXD A16K1X025A_E_31836 1 indd 32 2010 03 12 ｿﾀﾈﾄ 12 43 08 ...

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