Samsung MXD-K025AN User manual

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Air Conditioner
installation manual
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Thank you for purchasing this Samsung product.
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Air Handling Unit
Application Kit
MXD-K025AN
MXD-K050AN
MXD-K075AN
MXD-K100AN
DB68-03711A(1)
EN
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2
Contents
SAFETY INFORMATION ................... 3
EXTERNAL APPEARANCE ............. 5
• External Appearance ........................... 5
ACCESSORIES ..................................... 6
• Accessories ........................................... 6
BEFORE INSTALLATION ................... 7
• AHU-KIT Structure Diagram ................ 7
• Recommended AHU Size ................... 7
INSTALLATION ..................................... 8
• Control-KIT Installation ...................... 8
• Control-KIT Function ......................... 9
• Control-KIT Circuit Diagram .............. 10
• External Controller Diagram .............. 11
• Simple BMS ...................................... 11
• Connecting the Power Terminal ........ 13
• Control-KIT Connections .................. 14
• Brazing the Pipe ................................ 14
• EEV-KIT Installation ........................... 15
• IN/OUT Sensor Installation ................ 16
FUNCTION SETTING ......................... 19
• Setting an indoor unit address and
installation option .............................. 19
TROUBLESHOOTING ....................... 28
• Initial Check-up ................................. 28
• EEPROM Error .................................. 28
• Sensor Error ..................................... 29
• Fan Error ........................................... 31
• How to Inspect Just in Case
the Below Condition is Satisfied ......... 32
• In-tracking Error ................................ 33
AFTER INSTALLATION ...................... 35
• AHU-KIT Installation Check ............... 35
• Test Operation .................................. 36
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3
The following safety precautions must be taken when installing the unit.
Be aware that AHU-KIT has to be combined with DVM S Series outdoor unit only.
SAFETY INFORMATION
Risk of death or serious personal injury. Potential risk of personal injury or material
damage.
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.)
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 .
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.
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 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.
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 designated ELB for AHU when
installing the power cable.
 If you do not install designated ELB for AHU,
electric shock or fire may occur.
WARNING CAUTION
CAUTION
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4
Use the copper wire for the power cable
and use only rated cables and parts.
Make sure electrical circuit is correctly
connected.
 Overheating may cause fire.
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.
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 there is no leakage after installation.
 Toxic gas may generate when refrigerant gas contacts with fire.
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.
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.
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.
 The manufacturer is not responsible for the damage occurred by not keeping standard of the installation.
 SAFETY INFORMATION (Continued)
CAUTION
WARNING
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5
EXTERNAL APPEARANCE
External Appearance
EEV-KIT
Control-KIT
No. Parts and components
1
EEV body
(Coil wire : 2.5/5.0 HP = 2 m
7.5/10.0 HP = 7 m)
2 Lower insulation
3 Upper insulation
4 Holder
5 Cover
6 Clamp
No. Parts and components
1 Controller board
2 Case
3 Cover
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Accessories
ITEM
Room/IN
sensor
(10m)
OUT sensor
(10m)
Disch. sensor
(10m)
IN sensor holder
(OD Ø6.8mm)
OUT sensor holder
(OD Ø7.8mm) Sensor clip
QUANTITY 1 1 1 1 1 2
IMAGE
ITEM Aluminum tape Rubber tape Insulator
QUANTITY 4 2 2
IMAGE
110㎜
85㎜
110㎜
85㎜
170㎜
100㎜
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
ACCESSORIES
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AHU-KIT Structure Diagram
Supply Air
Fresh AirReturn Air Exhaust Air
Outdoor Unit
EEV Kit
EEV Control
Eva_in
Sensor
Eva_out Sensor
Gas pipe
Liquid pipe
Communication F1, F2
Simple BMS
(field supply)
External Controller
(field supply)
Room Sensor
Remote Controller
(optional)
ON/OFF SWITCH
OPERATION LAMP
ERROR LAMP
COOLING HEATING
POWER-OFF
18℃
19℃
20℃
21℃
22℃
23℃
24℃
25℃
26℃
27℃
28℃
Dish. sensor coptional
3
8NC
RY75 RY76 RY77
1
8NC
1(L) 1(N)
Recommended AHU Size
AHU-KIT MODEL AHU Capacity Allowance (㎾)
AHU Internal Heat Exchanger Volume Allowance (㎤)
Minimum Maximum Minimum Maximum
MXD-K025AN 7 8.75 1,200 1,500
MXD-K050AN 14 17.5 2,150 2,688
MXD-K075AN 21 26.25 3,100 3,875
MXD-K100AN 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 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.)
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Control-KIT Installation
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.
INSTALLATION
3
8NC
RY75 RY76 RY77
1
8NC
1(L) 1(N)
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 short distance from the EEV-KIT.
- Supplied sensor in the Accessory box is 10 m.
- 2.5/5.0HP EEV wire is 2 m
- 7.5/10.0HP EEV wire is 7 m
• 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.
286
280 300
380
ø4.5
(Unit : mm)
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Control-KIT Function
• Control-KIT uses EEV to control the amount of refrigerant flow and 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 10) outputs the AHU fan ON contact signal (220~240V) 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 10) 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 function switch K12(Refer to page 21) to OFF position.
• Connect 220~240V 50/60Hz to terminal block 1(L)/2(N).
• You should connect outdoor unit communication cable to communication line (F1, F2)(Refer to page 10).
• F3, F4(Refer to page 10) is communication line for wired remote controller(12 V).
 INSTALLATION (Continued)
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Control-KIT Circuit Diagram
 AHU-KIT sensor has approximately 10㏀ of resistance value at indoor temperature of 25˚C.
 INSTALLATION (Continued)
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External Controller Diagram (MIM-B14)
Circuit diagram of external
controller’s output
S/W
38NC
GND
RY75 RY76 RY77
18NC
AC LAMP
 INSTALLATION (Continued)
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
• 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
Circuit diagram of Simple BMS
COM
HP
CO
AV
OV
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 order to stabilize the analog input.
The amount of Hysteresis : 0.15V
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 INSTALLATION (Continued)
Operational Voltage range against Setting temperature
Simple BMS
Voltage Range
Set Temperature
Heat Cool
10.0V ~ 9.6V 30˚C 30˚C
9.6V ~ 9.2V 30˚C 30˚C
9.2V ~ 8.8V 30˚C 30˚C
8.8V ~ 8.4V 30˚C 30˚C
8.4V ~ 8.0V 30˚C 30˚C
8.0V ~ 7.6V 30˚C 30˚C
7.6V ~ 7.2V 29˚C 29˚C
7.2V ~ 6.8V 28˚C 28˚C
6.8V ~ 6.4V 27˚C 27˚C
6.4V ~ 6.0V 26˚C 26˚C
6.0V ~ 5.6V 25˚C 25˚C
5.6V ~ 5.2V 24˚C 24˚C
5.2V ~ 4.8V 23˚C 23˚C
4.8V ~ 4.4V 22˚C 22˚C
4.4V ~ 4.0V 21˚C 21˚C
4.0V ~ 3.6V 20˚C 20˚C
3.6V ~ 3.2V 19˚C 19˚C
3.2V ~ 2.8V 18˚C 18˚C
2.8V ~ 2.4V 18˚C 18˚C
2.4V ~ 2.0V 18˚C 18˚C
2.0V ~ 1.6V 18˚C 18˚C
1.6V ~ 1.2V 18˚C 18˚C
1.2V ~ 0.8V 18˚C 18˚C
0.8V ~ 0.4V 18˚C 18˚C
0.4V ~ 0.0V 18˚C 18˚C
Setting the temperature
• Keep 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.
BMS_Temp.Set
DC10V
V1
R1
1K
+
-AV
OV
AV
OV
DC0V ~
DC10V
V1
BMS_Temp.Set
BMS_Temp.Set
DC10V
+
-
+
-
+
-
V1
R1
1K
R2
1K
DC10V
V2
BMS_Temp.Set
AV
OV
AV
OV
AV
OV
AV
OV
Available Not Available
• Make sure that Simple BMS is connected to
DC power supply before installing.
Never connect Simple BMS to AC power supply .
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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 V1, V2 on AHU-KIT PBA to the power line (V1, V2) on wired remote controller.
Connect F3, F4 on AHU-KIT to the communication line (F3, F4) on wired remote controller. (Refer to page 14)
• 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.
Description Type of cable Maximum length(m) Specifications
Vd / Vd DEFROST Signal 2 x 1.5mm2- 1 phase 220 - 240 V 50/60 Hz
TR/TR Thermistor Room 2 x 0.75mm2accessory, 10 m -
TEI/TEI Thermistor In
(Liquid pipe) 2 x 0.75mm2accessory, 10 m -
TEO/TEO Thermistor Out
(Gas pipe) 2 x 0.75mm2accessory, 10 m -
F3/F4 Communication to Remote
Controller 2 x 0.75mm2- -
COM/HP/CO Simple BMS - - -
AV/0V Simple BMS
(Temperature) 2 x 0.75mm2- Simple BMS Power
F1/F2 Communication to
Outdoor unit 2 x 0.75mm2- -
L/N Power supply 3 x over 1.5mm2- 1 phase 220 - 240 V, 50/60 Hz
1/2 Fan on 2 x 0.75mm2- 1 phase 220-240 V 50/60 Hz
3/4 Fan check 2 x 0.75mm2- Non-voltage contact signal
Tightening torque
(kgf·cm)
M4 12.0~14.7
 INSTALLATION (Continued)
• 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.
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14
3
8NC
RY75 RY76 RY77
1
8NC
1(L) 1(N)
Control-KIT Connections
Vd Vd TR TR TEI TEI V1 V2 F3 F4 F1 F2TEO TEO COM HP CO AV OV
Outdoor unit
Wired remote control
F3 : Wired remote control commnunication cable
F4 : Wired remote control commnunication cable
F1 : Outdoor unit communication cable
F2 : Outdoor unit communication cable
Evap Room
Sensor
Defrost signal
(220-240V)
Evap In
Sensor
Evap Out
Sensor
Simple BMS
 INSTALLATION (Continued)
220~240V,
Power supply
220~240V,
AHU fan ON contact signal
Fan status feedback
(Non-voltage contact signal)
POWER[AC] FAN ON[AC] FAN CHECK
1(L) 1(N)
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 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
1/4" copper pipe
Stop valve
Taping
Pressure regulator
Flowmeter
The use of Nitrogen gas
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15
EEV-KIT Installation
1) Open the EEV-KIT cover by unscrewing 4 screws on the side of the box.
2) Drill 4 holes on the correct position of the wall and fix the EEV-KIT securely.
(Refer to the dimension of figure below.)
3) Remove the holder by unscrewing 1 screw at the plate.
4) Remove upper and lower insulations before brazing.
(Clamp doesn’t need to be loosened.)
5) Braze the pipe as indicated in figure below.
(Ensure that IN/OUT pipes are correctly connected.)
6) When the pipe become cool enough, after brazing, put the insulations back into the place.
7) Put the EEV coil into the EEV body and turn it to be fastened.
(Refer to the figure below for wiring)
8) Attach the upper insulation to the lower insulation 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)
• Make sure that EEV-KIT should be installed within 5m from the heat exchanger.
• Make sure that filter and valve body should be kept under 120˚C with wet cloth.
• Make sure that pipes are fully insulated. If there is any uninsulated part, it may cause condensation dripping.
• EEV-KIT should be installed in the vertical direction within the range of ± 15˚.
If it is tilted over than 15˚, it can badly affect normal operation of EEV.
30°
Vertical Vertical
30°
Datum
plane
A
B
245mm
146mm
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IN/OUT Sensor Installation
1) IN sensor should be attached after the distributor, on the coldest part of the heat exchanger pipe.
2) OUT sensor should be installed approximately 200mm behind the header of AHU heat exchanger.
3) IN/OUT sensor should be insulated for optimized system performance.
4) Room temperature sensor should be installed where 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 flow
Return Air Exhaust Air Outdoor Air Supply Air
Room temperature sensor location
• Please check sensor usage in label.
ex.
EVA OUT
DISCHARGE
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17
• 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.
IN/OUT sensor installation example 1
1) Check the sensor and the sensor holder.
3) Insert sensor and the sensor clip in the sensor holder.
4) Bend end of the sensor clip to fix the sensor.
2) Braze the sensor holder on the selected location of the pipe.
Sensor attachment method.
• Choose the location 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
SensorInsulator
Sensor
Sensor clip
 INSTALLATION (Continued)
Note
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18
1) Check the sensor and the sensor holder.
2) Put the sensor on the pipe.
Sensor attachment method.
• Choose the location where temperature can be measured correctly.
(Refer to page 16)
• Try to attach closely to the contact surface.
• Do not use the sensor holder.
IN/OUT sensor installation example 2
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
 INSTALLATION (Continued)
Note
Note
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19
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 procedure of option setting
High Temp Button High Fan Button
Mode change
Low Temp Button Low Fan Button
Entering mode for
option setting
Option setting mode
Step 1. Entering mode to set option
1. Remove batteries from the remote controller.
2. Insert batteries and enter the option setting mode while pressing High Temp button and Low Temp button.
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.
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
0XXXXX1XXXXX
SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24
2XXXXX3XXXXX
CAUTION
On(SEG1~12) Off(SEG13~24)
FUNCTION SETTING
NASA PJT_AHU Kit_MXD-K@@@AN Series_EN_03711A(1).indd 19 2013-01-11 오후 3:20:28