MXJ-HA3115M - Air-conditioner SAMSUNG - Free user manual and instructions

USER MANUAL MXJ-HA3115M SAMSUNG

Air Handling Unit Application Kit

Installation manual

MXD-K100XN

• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this user manual carefully and retain it for future reference.

Contents

Preparation 3

Safety Information 3

External Appearance 6

Accessories 7

Before Installation 8

AHU-KIT Structure Diagram

Installation 9

Control-KIT Installation • Control-KIT Function • Control-KIT Circuit Diagram •

External Controller Diagram (MIM-B14) • Simple BMS • Connecting the Power Terminal •

Control-KIT Connections • Brazing the Pipe • Sensor Installation

Function Setting 21

Setting an indoor unit address and installation option

After Installation 30

AHU-KIT Installation Check • Test Operation

Appendix 31

Troubleshooting 31

Initial Check-up • EEPROM Error • Sensor Error • Fan Error • In-tracking Error

Safety Information

The following safety precautions must be taken when installing the unit.

Be aware that AHU-KIT has to be combined with

"AC026MXADKH/EU, AC035MXADKH/EU, AC052MXADKH/EU, AC071MXADKH/EU, AC100MXADKH/EU,

AC100MXADNH/EU, AC120MXADKH/EU, AC120MXADNH/EU, AC140MXADKH/EU, AC140MXADNH/EU,

AC180JXAPNH/EU, AC200KXAPNH/EU, AC250KXAPNH/EU" outdoor unit only.

Use R410A refrigerant.

• When using R410A, moisture or foreign substances may affect the capacity and reliability of the product. Safety precautions must be taken when installing the refrigerant pipe.
  ● R410A is a quasi-azeotrope of two refrigerants. Make sure to charge liquid one when adding refrigerant. (If you charge gaseous refrigerant, it may affect the capacity and reliability of the product as a result of change in formation of the refrigerant.)

Risk of death or serious personal injury.

CAUTION WARNING

Potential risk of personal injury or material damage.

CAUTION

Turn off the power before installation, service, and cleaning.

The installation must be done by the manufacturer or its service agent or a similar qualified person in order to avoid a hazard.

● Installation by an unqualified person may cause a water leakage, electric shock or fire.

Install the outdoor unit correctly according to the installation manual.

Manufacturer is not responsible for accidents due to incorrect installation by unqualified person.

- An incorrect installation may cause a water leakage, electric shock or fire and so on.

Use only rated parts and tools.

- If you don't use the rated parts and tools, it can cause trouble with the product and bring about injury.

When adding the refrigerant, use the R410A refrigerant only.

- If any gas or impurities except R410A refrigerant come into the refrigerant pipe, serious problem may occur and it may cause injury.

Use the pipe or flare part for R410A refrigerant only. When there were leakage during installation, you must ventilate the area.

● Toxic gas may generate when refrigerant gas contacts with fire.

If the power cable or cord is damaged, the manufacturer, a qualified service technician must replace it to avoid a potential risk.

The electric work must be done by service agent or similarly qualified persons according to national wiring regulations and use only rated cable.

- If the capacity of the power cable is insufficient or electric work is not properly completed, electric shock or fire may occur.

CAUTION

Arrange the cables between the AHU-KIT and outdoor unit after connecting. Attach the cover securely so that the electrical component box cover does not get loosen.

- If the cover is attached incompletely, it can cause trouble with a heat generation, electric shock or fire of the terminal board.

Install the cables with supplied cables firmly. Fix them securely so that external force is not exerted to the terminal board.

- If the connection or fixing is incomplete, it can cause trouble with a heat generation, electric shock or fire.

Use the copper wire for the power cable and use only rated cables and parts.

Install designated ELB for AHU when installing the power cable.

- If you do not install designated ELB for AHU, electric shock or fire may occur.

Make sure that the power for AHU-KIT is under maximum, and over minimum voltage allowed.

- It may cause electrical component malfunction which can damage the product.

Make sure electrical circuit is correctly connected.

● Overheating may cause fire.

Make sure there is no leakage after installation.

● Toxic gas may generate when refrigerant gas contacts with fire.

WARNING

Make sure of a earthing.

- Do not connect the earth wire to the gas pipe, water pipe, lighting rod or telephone wire.

- If earthing is incomplete, electric shock or fire may occur.

Follow the instructions in this manual to make sure that the condensed water dripping from the drain hose runs out properly and insulate the drain pipe so that dew condensate does not generate.

● Household goods may get wet if the drain pipe is not properly installed.

Install the power cable and communication cable of the AHU-KIT at least 1m away from electric appliances.

- Noise may heard depending on the electric wave though the cables are installed away from electric appliances.

- Keep the space in front of AHU-KIT for maintenance.

WARNING

Do not install the AHU-KIT 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 place where there is a machine that generates electromagnetic waves.
- The air conditioner may not operate normally due to control system.
● The place where there is a danger of existing combustible gas, thinner or gasoline is handled.
- The place where carbon fiber or flammable dust is.
● The place where like spa and shore.
● The place with direct contact of sunlight, rain, outdoor humidity, dust and temperature.

* The manufacturer is not responsible for the damage occurred by not keeping standard of the installation.

Samsung will notice a below legal disclaimer. Do you agree this?

1) Local system design and AHU design responsibility

Samsung does not accept any responsibility or liability for the performance and regulatory compliance of the local system design and AHU design.

2) Regulatory compliance

HVAC solution provider must ensure that the local system design and AHU design comply with all applicable regulations.

The Declaration of Conformity for Samsung's outdoor units and interface is available from the relevant factories.

External Appearance

Control-KIT

No.	Parts and components
1	C o
2	C
3	C

a

Accessories

ITEM	Room/EVA IN sensor (10 m)	EVA OUT sensor (10 m)	EVA IN sensor holder (OD ∅ 6.8 mm)		EVA OUT sensor holder (OD ∅ 7.8 mm)	Sensor clip
QUANTITY 1	1		1		1	2
IMAGE
ITEM Aluminum tape Rubber tape Insulator
QUANTITY 4			2		2
IMAGE
ITEM	Cable-tie	Cable-nut	Bracket Base	Installation Manual	Screw plug	Wired Remote Controller (optional)
		PG16 PG16
QUANTITY	8	6	4		1	1
IMAGE

AHU-KIT Structure Diagram

graph TD
    A["Outdoor Unit"] -->|Liquid pipe| B["Room Sensor"]
    B -->|Return Air| C["Gas pipe"]
    B -->|Exhaust Air Fresh Air| D["EVA OUT Sensor"]
    D -->|Supply Air| E["External Controller (field supply)"]
    E --> F["Remote Controller (optional)"]
    F --> G["Simple BMS (field supply)"]
    G --> H["External Controller (field supply)"]
    H --> I["External Controller (field supply)"]
    style A fill:#f9f,stroke:#333
    style B fill:#ccf,stroke:#333
    style C fill:#cfc,stroke:#333
    style D fill:#fcc,stroke:#333
    style E fill:#cff,stroke:#333
    style F fill:#ffc,stroke:#333
    style G fill:#cfc,stroke:#333
    style H fill:#fcc,stroke:#333

CAUTION

- When the controllers (External Controller, simple BMS, Remote Controller) are installed simultaneously, AHU-KIT doesn't have the priority of control and operates according to the final signal. (SIMPLE BMS may indicate the different condition of AHU, if AHU was controlled by other controller finally.)

Control-KIT Installation

CAUTION

• Supplied sensor in the Accessory box is 10m.
- Close the box with the cover and cable-nut securely so that Control-KIT is fireproofed.
- Avoid installing the unit in a location exposed to direct sunlight or rain.

1) Drill 4 holes on the correct position of the wall and fix the Control-KIT securely. (refer to the dimension of figure below.)
2) Open the box and connect the cables according to the diagram. (Wires should be pulled through the Cable-nut, before connecting to the terminal. Refer to the figure below.)
3) Fix the cable firmly with Cable-tie after connecting.
4) Close the box.

380 286 (Unit: mm) Ø4.5 280 300

Main PBA External Controller (MIM-B14) Terminal Block

Cable-tie Cable-nut

Control-KIT Function

• Control-KIT controls the system through outdoor unit and wired remote controller.
• Control-KIT outputs the contact signal for AHU fan operation.

Terminal block 1, 2 (Refer to page 11) outputs the AHU fan ON contact signal 220 - 240 V(208 - 230 V for US) for AHU when operating in Cool/Heat/Fan mode. This contact signal output can not be used as power supply for the motor.

- Terminal block 3, 4 (Refer to page 11) is for AHU-KIT control to receive 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 05 series installation option SEG21(Refer to page 28) to "1".

- Connect 220 - 240 V, 50 / 60 Hz (208 - 230 V, 60 Hz for US) to terminal block 1(L)/2(N).

• You should connect outdoor unit communication cable to communication line (F1, F2)(Refer to page 11).
• F3, F4(Refer to page 11) is communication line for wired remote controller(12 V).

Control-KIT Circuit Diagram

MAIN PBA WHT 1 2 3 4 WN140 (MHT) BRN 1 2 3 4 CN431 (YEL) FUSE-DW CN808 (BLU) 1 2 3 4 5 6 1 2 3 4 5 6 WN1 EEV EEV1 CN501 (WHT) 1 ~ 13 PNK DISPLAY CN81 (RED) 1 2 3 4 5 6 1 2 3 4 5 6 DNK1 CN412 (WHT) 1 2 3 4 5 6 1 2 3 4 5 6 DNK1 DN414 (WHT) 1 2 3 4 5 6 1 2 3 4 5 6 DNK1 DN415 (WHT) 1 2 3 4 5 6 1 2 3 4 5 6 DNK1 DN411 (BLK) 1 2 3 4 5 6 1 2 3 4 5 6 DNK1 DN32 (WHT) 1 2 3 4 5 6 1 2 3 4 5 6 DNK1 DN33 (BLU) 1 2 3 4 5 6 1 2 3 4 5 6 DNK1 DN31 (RED) 1 2 3 4 5 6 1 2 3 4 5 6 DNK1 DN703 (RED) 1 RED 1 RED 1 RED ON702 (BLK) HOT COIL ON701 (YEL) 1 BLK DNK81 (RED) 6 5 4 3 2 1 OUTERNAL CONTROL PBA EXTERNAL ON/OFF DC 5V 10mA ANG18 OPERATING CHECK DC 12V 10mA ANG18 ERROR CHECK DC 12V 10mA ANG18 MHT (MHT) 1.2 RED BLK RED YEL MHT BLK VL Vd Vd TR TR TEI TEI TEO TEO V1 V2 F3 F4 Com HP CO AV OV F1 F2 (Ve) (Ve) SET/OST AC220~240V 1A ANG14 THERM/STOR ROOM(10K) DC SV 1mA ANG18~24 THERM/STOR EVA IN(10K) DC SV 1mA ANG18~24 THERM/STOR EVA OUT(10K) DC SV 1mA ANG18~24 (+ ) (-) DC OUTPUT (F3) (F4) COM2 (GND) (HEAT) (COOL) SIMPLE BMS (DCSV) 0.5A ANG18 (SIMPLE BMS) (Simple BMS) (DC SV) 0.5A ANG18 (SIMPLE BMS) (DC SV) 0.5A ANG18 (SIMPLE BMS) (DC SV) 0.5A ANG18 (SIMPLE BMS) (DC SV) 0.5A ANG18 (SIMPLE BMS) (DC SV) 0.5A ANG18 (SIMPLE BMS) (DC SV) 0.5A ANG18 (SIMPLE BMS) (DC SV) 0.2N AIC220~240V 1.6A ANG14 (AC220~240V) 0.5A ANG18 (AC220~240V) 0.5A ANG18 (AC220~240V) 0.5A ANG18 (AC220~240V) 0.5A ANG18 (AC220~240V) 0.5A ANG18 (AC220~240V) 0.5A ANG18 (AC22C~240V) 0.5A ANG18 (AC22C~240V) 0.5A ANG18 (AC22C~240V) 0.5A ANG18 (AC22C~240V) 0.5A ANG18 (AC22C~240V) 0.5A ANG18 (AC22C~240S) 0.5A ANG18 (AC22C~240S) 0.5A ANG18 (AC22C~240S) 0.5A ANG18 (AC22C~240S) 0.5A ANG18 (AC22C~240S) 0.5A ANG18 (AC22C~240S) 0.5B N/A CENCK DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD DRYD

RESISTANCE VALUE OF TEMPERATURE SENSOR :

10Kohm at 25 °C(77 °F)

External Controller Diagram (MIM-B14)

Circuit diagram of external controller's output

S/W AC LAMP 6 5 4 3 2 1 RY75 RY76 RY77

Operation specification according to AHU-KIT PBA Install option set up

WIRE NO.	Signal Install option
1, 2 Error check output -
3, 4 Operation check output SEG 15
5, 6 ON/OFF input SEG 14

CAUTION

- In order for AHU-KIT to be controlled by External control, change a digit of indoor unit installation option, set the SEG14 as "1". (ON / OFF control)

Simple BMS

Simple BMS setting

• Simple BMS control is not influenced by DMS's restrictions on operation mode, set temperature or remote controller usage.
• If you want to set Room temperature by using Simple BMS, setting Buzzer control option as "Disuse buzzer" is recommended.

Circuit diagram of Simple BMS

COM HP CO AV OV Shielding

CAUTION

- Hysteresis is applied to the end of voltage range in order to stabilize the analog input. The amount of Hysteresis - Room temperature setting: 0.15 V

Operational Voltage range against Setting temperature

Room temperature setting

Simple BMS Voltage Range	Set Temperature
	Heating Cooling
10.0 V~9.6 V 30 °C 30 °C
9.6 V~9.2 V 30 °C 30 °C
9.2 V~8.8 V 30 °C 30 °C
8.8 V~8.4 V 30 °C 30 °C
8.4 V~8.0 V 30 °C 30 °C
8.0 V~7.6 V 30 °C 30 °C
7.6 V~7.2 V 29 °C 29 °C
7.2 V~6.8 V 28 °C 28 °C
6.8 V~6.4 V 27 °C 27 °C
6.4 V~6.0 V 26 °C 26 °C
6.0 V~5.6 V 25 °C 25 °C
5.6 V~5.2 V 24 °C 24 °C
5.2 V~4.8 V 23 °C 23 °C
4.8 V~4.4 V 22 °C 22 °C
4.4 V~4.0 V 21 °C 21 °C
4.0 V~3.6 V 20 °C 20 °C
3.6 V~3.2 V 19 °C 19 °C
3.2 V~2.8 V 18 °C 18 °C
2.8 V~2.4 V 18 °C 18 °C
2.4 V~2.0 V 18 °C 18 °C
2.0 V~1.6 V 18 °C 18 °C
1.6 V~1.2 V 18 °C 18 °C
1.2 V~0.8 V 18 °C 18 °C
0.8 V~0.4 V 18 °C 18 °C
0.4 V~0.0 V 18 °C 18 °C

Setting the temperature

• Keep the power supply of Simple BMS in 10V ± 0.2V .
• If the Simple BMS uses variable resistor(VR), make the electric resistance of VR under 1k .
• 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.

Available Not Available

DC10V + V1 R1 1K AV OV BMS_Temp.Set BMS_Temp.Set

DC10V + - V2 R2 IK BMS_Temp.Set AV OV

DC0V ~DC10V + - v1 BMS_Temp.Set AV OV AV OV

DC10V V1 R1 1K AV OV AV OV

CAUTION

- Make sure that Simple BMS is connected to DC power supply before installing.

Never connect Simple BMS to AC power supply.

Connecting the Power Terminal

Connecting Power/Communication cable

• Turn off the power before connecting the power terminal.
• Maximum cable length and the amount of voltage drop for AHU power/communication cables should be under 10 %.
• Consider power usage of the AHU when installing the ELB.
• Connect F3, F4 on AHU-KIT to the communication line (F3, F4) on wired remote controller. (Refer to page 17)
• Use the appropriate tools for wiring and make sure to connect them tightly within the tightening torque to withstand the external pressure. Arrange the wires so that cover or other parts does not get loose. They may cause overheating, electric shock or fire.
• Connect the power cable to the ELB.

Tightening torque (kgf·cm)
M4	12.0 ~ 18.0

CAUTION

• Power supply for AHU-KIT should be separate from outdoor unit.
• Do not connect the terminal block power line from one indoor unit to more than one AHU-KIT.
• When peeling the power cable, use the appropriate tools to prevent damaging the wire.
• Communication cable should be installed separately from power cable or other cables.

	Description Type of cable Maximum length(m) Specifications
Vd / Vd	DEFROST Signal 2 x 1.5 mm2	-		1 phase 220 - 240 V, 50 / 60 Hz(208 - 230V, 60 Hz for US)
TR/TR	Thermistor Room 2 x 0.75 mm2 accessory, 10 m -
TEI/TEI	Thermistor EVA IN(Liquid pipe)	2 x 0.75 mm2 accessory, 10 m -
TEO/TEO	Thermistor EVA OUT(Gas pipe)	2 x 0.75 mm2 accessory, 10 m -
F3/F4	Communication to RemoteController	2 x 0.75 mm2 --
COM/HP/CO	Simple BMS ---
AV/OV	Simple BMS(Setting Temperature)	2 x 0.75 mm2 - Simple BMS Power
F1/F2	Communication toOutdoor unit	2 x 0.75 mm2 --
L/N	Power supply	3 x over 1.5 mm2	-	1 phase 220 - 240 V, 50 / 60 Hz(208 - 230V, 60 Hz for US)
1/2	Fan on	2 x 0.75 mm2 -		1 phase 220 - 240 V, 50 / 60 Hz(208 - 230V, 60 Hz for US)
3/4	Fan check	2 x 0.75 mm2 - Non-voltage contact signal

Control-KIT Connections

Front view of an electronic device chassis showing internal components and connectors (no text or symbols visible)

POWER[AC] FAN ON[AC] FAN CHECK[DC] 1(L) 1(N) 1 2 3 4 Fan status feedback (Non-voltage contact signal) 220 - 240 V(208 - 230 V for US), AHU fan ON contact signal 220 - 240 V(208 - 230 V for US), Power supply

Defrost signal 220 - 240 V (208 - 230 V for US) Room Sensor EVA IN Sensor Vd Vd TR IR TE TFI FO FO V V2 F3 HP FO AV OV F1F2F4 COM Simple BMS F1 F2 F3 F4 Wired remote controller Outdoor unit F1: Outdoor unit communication cable F2: Outdoor unit communication cable F3: Wired remote controller communication cable F4: Wired remote controller communication cable

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.

The use of Nitrogen gas

1) Use Nitrogen gas when brazing the pipes as shown in the picture.
2) If you do not use Nitrogen gas when brazing the pipes, oxide may form inside the pipe. It can cause the damage of the compressor, valves.
3) Adjust the flow rate of the Nitrogen gas with a pressure regulator to maintain 0.05m3/h or less.

Brazing part Nitrogen gas Pressure regulator Taping 1/4" copper pipe Stop valve Flowmeter

Sensor Installation

CAUTION

- Please check sensor usage in label.

1) EVA IN sensor should be attached after the distributor, on the coldest part of the heat exchanger pipe.
2) EVA Out sensor should be attached on the middle of inlet and outlet ports.
3) EVA IN/OUT sensor should be insulated for optimized system performance.
4) Room temperature sensor should be basically installed where room air enters(A), It could be also installed at the supplay air side(B), especially with outdoor fresh air conditioning application.

In that case, installation option 05 series SEG15 and SEG16 function setting should be considered. (Refer to page 28)

Select EVA IN/OUT sensor location

sensor location × Refrigerant flow ← Cooling Mode ← Heating Mode Distributor 1 (EVA IN sensor) Header 2 (EVA OUT sensor)

Example of room temperature sensor installation

Return Air Exhaust Air Outdoor Air Supply Air A B

A or B : Room temperature sensor location

Pure electrical circuit lines without any symbols

NOTE

• Braze the sensor holder at location suggested above and fix the sensor with sensor clip.
• EVA IN/OUT sensor should be installed where temperature of heat exchanger can be measured accurately.

Sensor installation example 1

1) Check the sensor and the sensor holder.

NOTE

Type Sensor	OD(mm) Sensor holder ID (mm)
EVA IN sensor ∅ 6 ∅ 6.8
EVA OUT sensor ∅ 7 ∅ 7.8

2) Braze the sensor holder on the selected location of the pipe. Sensor attachment method.

NOTE

• Choose the location where temperature can be measured correctly. (Refer to page 18)
• Try to attach closely to the contact surface before brazing.
• Distinguish EVA IN/OUT sensor and attach it. (EVA IN/OUT sensor size is different.)

3) Insert sensor and the sensor clip in the sensor holder.

4) Bend end of the sensor clip to fix the sensor.

5) Attach the insulator around the sensor.

Sensor clip Sensor holder SensorInsulator

Pipe Sensor holder

Sensor Sensor clip

Diagram showing a pipe being inserted into a device with a dashed circular component (no text or symbols)

Insulator

Sensor installation example 2

1) Check the sensor and the sensor holder.

NOTE

Type Sensor	OD (mm)	Sensor holder ID (mm)
EVA IN sensor ∅	6 ∅ 6.8
EVA OUT sensor ∅	7 ∅ 7.8

2) Put the sensor on the pipe.

NOTE

Sensor attachment method.

• Choose the location where temperature can be measured correctly. (Refer to page 18)
• Try to attach closely to the contact surface.
• Do not use the sensor holder.
  3) Hold the sensor and put aluminum tape around to fix the sensor.

4) Put rubber tape around the sensor.

5) Use cable-tie to tighten the sensor around the pipe.

6) Attach the insulator around the sensor.

Insulator Sensor Cable-tie Aluminum tape Rubber tape

Pipe Sensor

Aluminum tape Sensor

Rubber tape Sensor

Cable-tie

Insulator

Setting an indoor unit address and installation option

▶ Set the indoor unit address and installation option with remote controller option.
▶ Set the each option separately since you cannot set the ADDRESS setting and indoor unit installation setting option at the same time. You need to set twice when setting indoor unit address and installation option.
The reception part of a remote controller is built in the AHU KIT PBA.

The procedure of option setting

Entering mode for option setting High Temp Button Low Temp Button Option setting mode Mode change High Fan Button Low Fan Button Timer Options Settings < SET >

Step 1. Entering mode to set option

1. Remove batteries from the remote controller.
2. Insert batteries while pressing High Temp button and Low temp button to enter the option setting mode.
3. Check if you have entered the option setting status.

Step 2. The procedure of option setting

After entering the option setting status, select the option as listed below.

CAUTION

Option setting is available from SEG1 to SEG 24

• SEG1, SEG7, SEG13, SEG19 are not set as page option.
• Set the SEG2\~SEG6, SEG8\~SEG12 as ON status and SEG14\~18, SEG20\~24 as OFF status.

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG10

SEG11

SEG12

0

X

X

X

X

X

X

1

X

X

X

X

X

X

X

SEG13

SEG14

SEG15

SEG16

SEG17

SEG18

SEG19

SEG20

SEG21

SEG22

SEG23

SEG24

2

X

X

X

X

X

X

3

X

X

X

X

X

X

X

On(SEG1~12) Off(SEG13~24)

Option setting Status
1. Setting SEG2, SEG3 optionPress Low Fan button(∨) to enter SEG2 value.Press High Fan button(∧) to enter SEG3 value.Each time you press the button,0→8→.E 6 will be selected in rotation.	SEG2 SEG3
2. Setting Cool modeMade Press Mode button to be changed to Cool mode in the ON status.
3. Setting SEG4, SEG5 optionPress Low Fan button(∨) to enter SEG4 value.Press High Fan button(∧) to enter SEG5 value.Each time you press the button,0→8→...E→F will be selected in rotation.	SEG4	SEG5
4. Setting Dry modeMade Press Mode button to be changed to DRY mode in the ON status.
5. Setting SEG6, SEG8 optionPress Low Fan button(∨) to enter SEG6 value.Press High Fan button(∧) to enter SEG8 value.Each time you press the button,0→8→.E 6 will be selected in rotation.	SEG6 SEG8
6. Setting Fan modeMade Press Mode button to be changed to FAN mode in the ON status.
7. Setting SEG9, SEG10 optionPress Low Fan button(∨) to enter SEG9 value.Press High Fan button(∧) to enter SEG10 value.Each time you press the button,0→8→.E 6 will be selected in rotation.	SEG9 SEG10
8. Setting Heat modeMade Press Mode button to be changed to HEAT mode in the ON status.
9. Setting SEG11, SEG12 optionPress Low Fan button(∨) to enter SEG11 value.Press High Fan button(∧) to enter SEG12 value.Each time you press the button,0→8→.E 6 will be selected in rotation.	SEG11 SEG12
10. Setting Auto modeMade Press Mode button to be changed to AUTO mode in the OFF status.
11. Setting SEG14, SEG15 optionPress Low Fan button(∨) to enter SEG14 value.Press High Fan button(∧) to enter SEG15 value.Each time you press the button,0→8→.E 6 will be selected in rotation.	SEG14	SEG15
12. Setting Cool modeMade Press Mode button to be change to Cool mode in the OFF status.
1. Setting SEG16, SEG17 optionPress Low Fan button(∨) to enter SEG16 value.Press High Fan button(∧) to enter SEG17 value.Each time you press the button,0→8→.E P will be selected in rotation.	SEG16 SEG17
2. Setting Dry modePress Mode button to be change to Dry mode in the OFF status.
3. Setting SEG18, SEG20 optionPress Low Fan button(∨) to enter SEG18 value.Press High Fan button(∧) to enter SEG20 value.Each time you press the button,0→8→.E P will be selected in rotation.	SEG18 SEG20
4. Setting Fan modePress Mode button to be change to Fan mode in the OFF status.
5. Setting SEG21, SEG22 optionPress Low Fan button(∨) to enter SEG21 value.Press High Fan button(∧) to enter SEG22 value.Each time you press the button,0→8→.E P will be selected in rotation.	SEG21 SEG22
6. Setting Heat modePress Mode button to be change to HEAT mode in the OFF status.
7. Setting SEG23, SEG24 modePress Low Fan button(∨) to enter SEG23 value.Press High Fan button(∧) to enter SEG24 value.Each time you press the button,0→8→.E P will be selected in rotation.	SEG23 SEG24

Step 3. Check the option you have set

After setting option, press Mode button to check whether the option code you input is correct or not.

graph LR
    A["On Auto"] --> B["On Cool"]
    B --> C["On Dry"]
    C --> D["On Fan"]
    D --> E["On Heat"]
    F["Off Auto"] --> G["Off Cool"]
    G --> H["Off Dry"]
    H --> I["Off Fan"]
    I --> J["Off Heat"]

Step 4. Input option

Press operation button ⏻ with the direction of remote control for set.

For the correct option setting, you must input the option twice.

Step 5. Check operation

1) Reset the indoor unit by pressing the RESET button of indoor unit or outdoor unit.
2) Take the batteries out of the remote controller and insert them again and then press the operation button.

Setting an indoor unit address (MAIN/RMC)

1. Check whether power is supplied or not.

- When the indoor unit is not plugged in, there should be additional power supply in the indoor unit.

1. The reception part of a remote controller is built in the AHU KIT PBA.

2. Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan.

3. Assign an indoor unit address by wireless remote controller.

- The initial setting status of indoor unit ADDRESS(MAIN/RMC) is "0A0000-100000-200000-300000".

Option No.: 0AXXXX-1XXXXX-2XXXXX-3XXXXX

Option

SEG1

SEG2 SEG3 SEG4

SEG5

SEG6

Explanation

PAGE MODE Setting Main address

100-digit of indoor unit address

10-digit of indoor unit

The unit digit of an indoor unit

Indication and Details

Indication

Details

Indication

Details Indication Details

Details Indication Details

Indication

Details Indication Details

Details Indication Details

0

A

0

No Main address

0~9

100-digit

0~9 10-digit 0~9

A unit digit

1

Main address setting mode

Option

SEG7

SEG8 SEG9 SEG10

SEG11

SEG12

Explanation

PAGE

-

Setting RMC address

-

Group channel(*16)

Group address

Indication and Details

Indication

Details

-

Indication

Details

-

Indication

Details Indication Details

1

0

No RMC address

RMC1

0~2

RMC2

0~F

1

RMC address setting mode

CAUTION

• When "A"\~"F" is entered to SEG5\~6, the indoor unit MAIN ADDRESS is not changed.
• If you set the SEG 3 as 0, the indoor unit will maintain the previous MAIN ADDRESS even if you input the option value of SEG5\~6.
• If you set the SEG 9 as 0, the indoor unit will maintain previous RMC ADDRESS even if you input the option value of SEG11\~12.

Setting an indoor unit installation option (suitable for the condition of each installation location)

1. Check whether power is supplied or not.

- When the indoor unit is not plugged in, there should be additional power supply in the indoor unit.

1. The reception part of a remote controller is built in the AHU KIT PBA.

2. Set the installation option according to the installation condition of an air conditioner.

- The default setting of an indoor unit installation option is "020000-100000-200000-300000

1. Set the indoor unit option by wireless remote controller.

02 series installation option

SEG1 SEG2 SEG3 SEG4 SEG5 SEG6
0 2 - Exterior temperature sensor Central control	-
SEG7 SEG8 SEG9	SEG10 SEG11	SEG12
1	-	Hot water heater	Use of Heater	Controller variables for auxiliary heater
SEG13	SEG14	SEG15	SEG16	SEG17
2	External control	External control output	-	Buzzer
SEG19	SEG20	SEG21	SEG22	SEG23
3	-	-	-	-

When setting the option other than above SEG values, the option will be set as "0".

Option No.: 02XXXX-1XXXXX-2XXXXX-3XXXXX

Option	SEG1		SEG2		SEG3	SEG4		SEG5		SEG6
Explanation	PAGE		MODE		-	Use of external Temperature sensor		Use of central control		-
Indication and Details	Indication	Details	Indication	Details	-	Indication	Details	Indication	Details	-
	0		2			0	Disuse	0	Disuse
						1	Use	1	Use

Option

SEG7

SEG8 SEG9

SEG10

(*)

SEG11 SEG12

Explanation

PAGE-

Use of hot water heater

Use of Heater Controller variables for auxiliary heater Master / Slave

Indication and Details

Indication

Details

-

Indication

Details Indication Details Indication

Details

Indication Details

Set temperature for auxiliary heat on

Time delay for auxiliary heat on

1

0 Disuse 0 Disuse 0

No temperature offset

No delay

0

slave

1

Use

1

Use

1

No temperature offset

10 minutes

1

master

2

Use (Heater Time Delay)

2

No temperature offset

20 minutes

3

1.5 °C No delay

4

1.5 °C 10 minutes

5

1.5 °C 20 minutes

6

3 °C

No delay

7

3 °C

10 minutes

8

3 °C

20 minutes

9

4.5 °C No delay

A

4.5 °C

10 minutes

B

4.5 °C

20 minutes

C

6 °C

No delay

D

6 °C

10 minutes

E

6 °C

20 minutes

Option

SEG13

SEG14

SEG15

SEG16

SEG17

SEG18

Explanation

PAGE

Use of external control

Setting the output of external control

-

Buzzer control

-

Indication and Details

Indication

Details

Indication

Details

Indication

Details

-

Indication

Details

-

2

0

Disuse

Slave, Existing Control

0

Thermo on

0 Use buzzer

1

On/Off

2

Off

1

Disuse buzzer

3

Window

4

Disuse

Master, Existing Control

5

On/Off

6

Off

7

Window

8

Disuse

Slave, Existing Control

1

Operation on

9

On/Off

A

Off

B

Window

C

Disuse

Master, Existing Control

D

On/Off

E

Off

F

Window

Option

SEG19

SEG20

SEG21

SEG22

SEG23

SEG24

Explanation

PAGE

-

-

-

-

-

Indication and Details

Indication

Details

-

-

-

-

-

3

(*1) Heater operation when the SEG10 of 02 series installation option is set to using external heater.

e.g. 1) Setting 02 series SEG10="2" / Setting 02 series SEG11="0": External heater is turned on at the same time as the heating thermostat is on, and turned off when the heating thermostat is off.

e.g. 2) Setting 02 series SEG10 = "2" / Setting 02 series SEG11 = "A":

Room temp. ≤ set temp. + fheating compensation temp?

• External heater is turned on when the temperature is maintained as 4.5 °C(8.1 °F) for 10 minutes. Room temp. > set temp. + fheating compensation temp?
• External heater is turned off when the temperature is maintained as 4.5 °C(8.1 °F) + 1 °C(1.8 °F) [1 °C(1.8 °F) is the Hysteresis for On/Off selection.]

■ 05 series installation option

SEG1 SEG2 SEG3 SEG4 SEG5 SEG6
0	5	-	-		-
SEG7 SEG8 SEG9 SEG10 SEG11 SEG12
1	-	-	-		-
SEG13 SEG14		SEG15	SEG16 SEG17 SEG18
2	Heating setting temp. Offset	Cooling thermo off Hysteresis	Heating thermo off Hysteresis	-	-
SEG19	SEG20	SEG21	SEG22	SEG23	SEG24
3	-	Fan Feedback	Defrost Signal	Skip the prevention of cold air	-

■ 05 series installation option(Detailed)

Option No.: 05XXXX-1XXXXX-2XXXXX-3XXXXX

Option	SEG1		SEG2	SEG3	SEG4	SEG5	SEG6
Explanation	0		5	-	-	-	-
Indication and Details	-		-	-	-	-	-
Option	SEG7		SEG8	SEG9	SEG10	SEG11	SEG12
Explanation	1		-	-	-	-	-
Indication and Details	Indication	Details	-	-	-	-	-
	-

Function Setting

Option	SEG13 SEG		14 SEG15 SEG16 SEG17 SEG18
Explanation	2		Heating setting temp. Offset		Cooling thermo off Hysteresis		Heating thermo off Hysteresis		-		-
Indication and Details	-		Indication	Details	Indication	Details	Indication	Details	-		-
			0 0 °C	0 0 °C	0 0 °C
			1 -2 °C	11 °C	11 °C
			2	-1 °C	2	2 °C	2	2 °C
			3	1 °C	3	3 °C	3	3 °C
			4	2 °C	4	4 °C	4	4 °C
			5	3 °C	5	5 °C	5	5 °C
			6	4 °C	6	6 °C	6	6 °C
			7	5 °C	7	7 °C	7	7 °C
					8 8 °C	8 8 °C
					9	9 °C	9	9 °C
					A	10 °C	A	10 °C
Option	SEG19		SEG20		SEG21		SEG22		SEG23		SEG24
Explanation	PAGE		-		Fan Feedback		Defrost Signal		Skip the prevention of cold air		-
Indication and Details	Indication	Details	-		Indication	Details	Indication	Details	Indication	Details	-
	3				0	Disuse	0	Disuse	0	Disuse
					1	use 1	Defrost valve 1 use
					-		2	Defrost signal	-
							-

Changing a particular option

You can change each digit of set option.

Option

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

Explanation

PAGE MODE

The option mode you want to change

The tens' digit of an option SEG you will change

The unit digit of an option SEG you will change

Changed value

Indication and Details

Indication

Details Indication Details Indication Details Indication Details Indication Details Indication Details

0

D

Option mode

1~6

Tens' digit of SEG

0~9

Unit digit of SEG

0~9

The changed value

0~F

NOTE

• When changing a digit of an indoor unit address setting option, set the SEG3 as 'A'.
• When changing a digit of indoor unit installation option, set the SEG3 as '2'.
  Ex) When setting the 'buzzer control' into disuse status.

Option	SEG1	SEG2	SEG3	SEG4	SEG5	SEG6
Explanation	PAGE	MODE	The option mode you want to change		The tens' digit of an option SEG you will change	The unit digit of an option SEG you will change	Changed value
Indication	0	D	2		1	7	1

AHU-KIT Installation Check

1) Ensure that Control-KIT is correctly installed.

• You can choose the built-in type or auxiliary type depending on installation environment.
• Ensure that the Control-KIT cables are correctly connected.
• Control-KIT should be fireproofed and avoid direct sunlight upon installation. (Especially for individual type)
• Avoid installing the unit in a location exposed to direct sunlight or rain.
• Do not install the Control-KIT in or on the outdoor unit.

2) Ensure that EVA IN/OUT sensor is correctly attached.

• EVA IN sensor should be attached after the distributor, on the coldest part of the heat exchanger piping. Ensure that the sensor is insulated.
• EVA Out sensor should be installed on the middle of inlet and outlet ports.

Test Operation

1) Before turning the power on, use DC 500V insulation tester to check the power terminal (L,N) and the earthing on AHU-KIT.
- Resistance value should be over 30MΩ.
2) Test the voltage of power(L, N) before turning on the power.

CAUTION

• Insulation tester may damage the communication circuit.
- Communication terminal should be tested with ordinary circuit tester to check the short circuit.

220V

Front view of a mechanical or electrical component with two terminals and a central control panel (no visible text or symbols)

3) Check the list below after installation and make sure the AHU-KIT units are properly operating.

• Installation environment (resistance level etc.)
• Refrigerant leak test
- Power cable
• Insulation on refrigerant pipe.
- Drainage
• Circuit breaker connection and earthing
• Normal system operation

Initial Check-up

1) Check the connection status between Indoor unit and the AHU-KIT.

• Make sure you have followed instructions and wiring diagram shown in the installation manual.
• Make sure AHU-KIT PBA is installed in a place where there are no influence from outdoor humidity, dust and temperature.

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

EEPROM Error

Outdoor unit display	E162
Explanation Internal communication error between EEPROM and MICOM
Reason Require to change PBA due to Bad EEPROM

NOTE

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

Sensor Error

AHU-KIT temperature sensor OPEN/SHORT error

Outdoor unit display	E8123 (ROOM sensor OPEN/SHORT)E8122 (EVA IN sensor OPEN/SHORT)E8123 (EVA OUT sensor OPEN/SHORT)
Explanation When OPEN/SHORT signal is received for temperature sensor of AHU-KIT
Reason Poor connection between sensor and the PBA, or poor conditioned sensor.

1) Self check

graph TD
    A{Is indoor room temperature sensor connector properly connected to PBA socket?}
    B["Connect the temperature sensor connector to the PBA socket and restart the system."] --> C{Is the resistance value larger than the number shown in the table on the right?}
    C -->|Yes| D["Change the Control-KIT PBA."]
    C -->|No| E["No"]
    D --> F["Check the resistance value of room temperature sensor connector and the PBA after disconnecting them."]
    F --> G{Is the resistance value larger than the number shown in the table on the right?}
    G -->|Yes| H["Change the control-KIT PBA."]
    G -->|No| I["Change the room temperature sensor."]
    I --> J["End"]

NOTE

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

Fan Error

Outdoor unit display	E8154
Explanation	When Control-KIT outputs fan operation status signal and the fan feedback signal stays OPEN for more than 10 seconds.( AHU-KIT only)
Reason	Poor AHU fan operationMissing or Incorrect circuit system for fan feedback check.

1) Self check

graph TD
    A["Did you set up the system to receive the fan feedback? (Refer to page 10)"] -->|Yes| B{Is fan working?}
    A -->|No| C["Set the Install option 05 series SEG21 "0". (Disables fan feedback signal)."]
    C --> D{Do you need fan feedback?}
    D -->|Yes| E["Connect feedback signal to fan check terminal on Control-KIT. Ensure that Install option 05 series SEG21 "1"."]
    D -->|No| F["Check the AHU fan control."]
    B -->|Yes| G{When the AHU fan is operating, does fan feedback cable offer SHORT signal?}
    B -->|No| H["Change the Control-KIT PBA."]
    G -->|Yes| I["Re-arrange the Control-KIT circuit again to output the appropriate fan feedback signal depending on the fan operation status."]
    G -->|No| I

CAUTION

- Fan feedback check terminal should only receive OPEN/SHORT contact signal without voltage. When the fan feedback check terminal receives contact signal with voltage may damage the Control-KIT.

In-tracking Error

Error between AHU-KIT and outdoor unit at the beginning of operation(in tracking)

1) Self check

graph TD
    A["Check the number of AHU-KIT set up on outdoor unit PBA is equal to actual number of AHU-KIT installed."] --> B{Do numbers match?}
    B -->|No| C["Set the correct number of AHU-KIT on outdoor unit PBA and press the reset key(K3) to restart the tracking."]
    B -->|Yes| D["Press the reset key(K3) on the outdoor unit PBA and check the responding numbers of AHU-KIT on the display."]
    D --> E{Is there no response on the display in-tracking?}
    E -->|No| F["Wait for 2 minutes and find the AHU-KIT with the communication error. Check if the address on PBA is same with any others.<br>- Communication error occurs when the address is assigned to more than one AHU-KIT. In this case, all the AHU-KIT sharing one address will show error message."]
    E -->|Yes| G["Disconnect the two communication cable from outdoor unit to AHU-KIT and check the both cables with oscilloscope."]
    G --> H{Are the voltage between the cables verified as square wave over DC±0.7?}
    H -->|No| I["Check the communication cable and the connector on outdoor unit and change the PBA."]
    H -->|Yes| J["- Check the communication cables between the AHU-KIT and outdoor/indoor units.<br>- When there is no error, connect just one AHU-KIT to check them individually.<br>- When the error still occurs, change the AHU-KIT PBA"]
    C --> K["Outdoor unit display E201"]
    F --> L["Note: Wired remote controller will show the same error shown in the outdoor unit."]

Error between AHU-KIT and outdoor unit during operation(after tracking)

Outdoor unit display	E202
Explanation	Communication is off for 2 minutes between AHU-KIT and the outdoor unit during operation. (Ensure room)
Reason	Communication error between AHU-KIT and the outdoor or incorrect AHU-KIT number setting

1) Self check

graph TD
    A["Press the reset KEY(K3) on the outdoor unit PBA and check the display."] --> B{Is there any response on the display from the AHU-KIT when tracking?}
    B -->|Yes| C["Disconnect two communication cables from outdoor unit to AHU-KIT and check the both cables with oscilloscope."]
    B -->|No| D["Wait for 2 minutes and find the AHU-KIT with the communication error. Check if the address on PBA is same with any others.<br>- Communication error occurs when the address is assigned to more than one AHU-KIT.<br>In this case, all the AHU-KIT sharing one address will show error message."]
    C -->|Yes| E{Are the voltage between the cables verified as square wave over DC±0.7? (as shown in the below graph)}
    C -->|No| F["If the address is correct,<br>check the communication cable and change the AHU-KIT PBA"]
    E -->|Yes| G{- 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}
    E -->|No| H["Check the communication cable and the connector on outdoor unit and change the PBA."]
    F --> H
    G --> I["- Check the communication cables between the AHU-KIT and outdoor/indoor units.<br>- When there is no error, connect just one AHU-KIT to check them individually.<br>- When the error still occurs, change the AHU-KIT PBA"]
    H --> I

+0.7V Good Bad -0.7V