Samsung MXD-A22K100X User manual

INSTALLATION
MANUAL
Air Handling Unit
MXD-A22K100X
MXD-A22K200X
Air Conditioner
DB98-29235A(1)E
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2
Contents
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Contents
SAFETY INFORMATION ................... 4
EXTERNAL APPEARANCE
AND DIMENSION ................................ 6
• External Appearance ........................... 6
• Dimension ......................................... 7
ACCESSORIES ..................................... 8
• Accessories .......................................... 8
BEFORE INSTALLATION ................... 9
• AHU KIT Structure Diagram ................ 9
• Recommended AHU Size ................... 9
INSTALLATION ..................................... 10
• ASS’Y Control Installation ................. 10
• ASS’Y Control Function .................... 10
• ASS’Y Control Circuit Diagram .......... 11
• External Controller Diagram .............. 12
• Connecting the Power Terminal ........ 13
• ASS’Y Control Connections .............. 14
• Brazing the Pipe ................................ 15
• ASS’Y EEV 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-tracking Error ................................ 27
AFTER INSTALLATION ...................... 29
• AHU KIT Installation Check ............... 29
• Test Operation .................................. 29
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4
The following safety precautions must be taken when installing the unit.
Be aware that AHU KIT has to be combined with DVM Plus II 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.)
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 .
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 indoor 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
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5
CAUTION
User 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.
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.
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 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 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.
 The manufacturer is not responsible for the damage occurred by not keeping standard of the installation.
 SAFETY INFORMATION (Continued)
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EXTERNAL APPEARANCE AND DIMENSION
External Appearance
ASS’Y EEV
ASS’Y Control
 ASS’Y EEV is set to be open at factory shipment. Please be aware of this fact when performing vacuum
drying after the installation.
5 HP (MXD-A22K100X) 10 HP (MXD-A22K200X)
275
250
175
17.8
300
(55.8)
356 385
6.6
8
AHU KIT PBA installation location
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Dimension
ASS’Y EEV
ASS’Y Control
(Unit : mm)
(Unit : mm)
5 HP
(MXD-A22K100X)
10 HP
(MXD-A22K200X)
 EXTERNAL APPEARANCE AND DIMENSION (Continued)
ID ø9.52 L10 Expanding ID ø9.52 L10 Expanding
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Accessories
ITEM IN sensor
(10m)
OUT sensor
(10m)
IN sensor holder
(OD Ø6.8mm)
OUT sensor holder
(OD Ø7.8mm) Sensor clip
QUANTITY 1 1 1 1 2
IMAGE
ITEM
EEV coil
Aluminum tape Rubber tape Insulator Cable-tie
5HP
(MXD-A22K100X)
10HP
(MXD-A22K200X)
QUANTITY 1 2 4 2 2 8
IMAGE
10m
110㎜
85㎜
110㎜
85㎜
170㎜
100㎜
ACCESSORIES
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AHU KIT Structure Diagram
Supply AirOutdoor AirRoom Air Exhaust Air
AHU KIT
Outdoor Unit
1 2 3 4 1 2 3 4 1 2 3 4
12 3 4 VD VD 2 3 F1 F2 V1 V2 F3 F4
CN83
GND
RY75 RY76 RY77
CN81
Recommended AHU Size
AHU KIT Model AHU Capacity Allowance (㎾)
AHU Internal Heat Exchanger Volume Allowance (㎤)
Minimum Maximum Minimum Maximum
MXD-A22K100X 10.0 19.6 1500 3800
MXD-A22K200X 20.0 30.8 3800 5000
※Evaporating Temperature : 7℃, Superheat : 1℃, Air temperature : 27℃DB/19℃WB
BEFORE INSTALLATION
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ASS’Y Control Installation
1) Check the installation location for the ASS’Y Control.
• You can choose the built-in type or auxillary type depending on installation environment.
2) Check the cable length used for ASS’Y Control.
• Standard length of cable is 10m.
3) Ensure that ASS’Y Control is water/fireproofed.
• ASS’Y Control should be water/fireproofed and avoid direct sunlight upon installation.
ASS’Y Control Function
• ASS’Y Control uses EEV to control the amount of refrigerant flow and controls the system through outdoor unit and
wired remote control.
• ASS’Y Control outputs the contact signal for AHU fan operation.
Terminal block 1, 2 (Refer to page 11) 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 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 function switch K12(Refer to page 18) to OFF position.
• Connect 220~240V/50㎐ to terminal block 1(L)/2(N).
• You should connect outdoor unit communication cable to communication line (F1, F2)(Refer to page 11).
• V1, V2(Refer to page 11) is power line for the wired remote control(12V).
F3, F4(Refer to page 11) is communication line for wired remote control.
• For 5HP(MXD-A22K100X) ASS’Y Control, Set the K3(Refer to page 18) to OFF position on the PBA.
1 2 3 4 1 2 3 4 1 2 3 4
12 3 4 VD VD 2 3 F1 F2 V1 V2 F3 F4
CN83
GND
RY75 RY76 RY77
CN81
External Controller
(MIM-B14)
Main PBA
Transformer
Terminal Block
INSTALLATION
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ASS’Y Control 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
3
8
N
C
GND
RY75 RY76 RY77
1
8
N
C
AC LAMP
Operation specification according to AHU KIT PBA DIP S/W set up
WIRE NO. AHU KIT DIP S/W STATE
K11 OFF (Refer to page 18)
1, 2 ERROR Check
3, 4 COMP. Check
5, 6 ON/OFF Input

• In order for AHU KIT to be controlled by External control, K11 located on Main PBA of AHU KIT should be off
position.
 INSTALLATION (Continued)
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13
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 control.
Connect F3, F4 on AHU KIT to the communication line (F3, F4) on wired remote control. (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.
• Protect the power and communication cables from flood or outer shock by putting them in a safety box.
• Connect the power cable to the ELB.
• Allow space over 50㎜ between the power and communication cable.

• Power supply for AHU KIT should be separate from outdoor unit.
• Do not cut and connect the communication cable. It may cause communication error.
• 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.
Selecting compressed ring terminal
1) Select the compressed ring that is appropriate for the dimension of the power cable.
2) Peel off the power cable cover when connecting to the compressed ring terminal.
Nominal
dimensions
for cable
Nominal
dimensions
for screw
B D d1 E F L d2 t
Standard
dimension Allowance Standard
dimensions Allowance Standard
dimension Allowance Min. Min. Max. Standard
dimension Allowance Min.
1.5 4 6.6 ±0.2 3.4 +0.3
-0.2 1.7 ±0.2 4.1 6 16 4.3 +0.2
00.7
4 8
2.5 4 6.6 ±0.2 4.2 +0.3
-0.2 2.3 ±0.2 6 6 17.5 4.3 +0.2
00.8
4 8.5
4 4 9.5 ±0.2 5.6 +0.3
-0.2 3.4 ±0.2 6 5 20 4.3 +0.2
00.9
Silver solder
Specification of electronic wire
Power supply
(1 Phase) ELB Power cable Earth cable Communication cable
220~240V/50Hz 15A Over 1.5mm21.5mm20.75~1.5mm2
Tightening torque
(kgf•cm)
M4 12.0~14.7
 INSTALLATION (Continued)
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14
1 2 3 4 1 2 3 4 1 2 3 4
12 3 4 VD VD 2 3 F1 F2 V1 V2 F3 F4
12 3 4 VD VD
1(N) 2(N)
F1 F2 V1 V2 F3 F4









 





CN83
GND
RY75 RY76 RY77
CN81



Please keep in mind that K3 button loacted on PBA of control parts must be set
according to AHU connected before operation. K3 on for MXD-A22K200X and
K3 off for MXD-A22K100X. (Refer to page 20)
ASS’Y Control Connections
Example 1) 1 Outdoor unit +1 AHU
Example 2) AHU KIT + AHU Fan ON Signal
12 3 4 VD VD
1(N) 2(N)
F1 F2 V1 V2 F3 F4
 



 Select an appropriate AC Relay according to the voltage & current of the AHU motor.
(Contact Signal coil Specification: 220~240V)
Not used
 INSTALLATION (Continued)
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15
Brazing the Pipe
1) Replace nitrogen gas when brazing the pipes.
• If you don’t use nitrogen gas when brazing the pipes, oxide may form inside the pipe and cause compressor
and valves malfunction.
2) Adjust the flow rate of the replacement with a pressure regulator to maintain 0.02MPa or less.
(Just enough to be felt on the skin.)
① ③ ④ ⑤
⑥
⑥
②
Refrigerant pipe
Brazing part
Taping
Hands valve
Pressure regulator
Nitrogen gas
ASS’Y EEV Installation
1) Ensure that ASS’Y EEV is installed inside of the AHU.
• Dew condensation may form around ASS’Y EEV pipes, therefore install the ASS’Y EEV in a location where
condensation can be drained out easily.
• When ASS’Y EEV is installed separately in a case, insulate the pipe to prevent the dew condensation from
forming and seal the case so that outdoor air does not enter.
ASS’Y EEV should be installed within 5m from the heat exchanger.
2) Ensure that IN/OUT pipes are correctly connected.
3) Ensure that the body of ASS’Y EEV is installed as shown in the below picture.
• When Body of ASS’Y EEV should not be tilted vertically within ±15° and horizontally within +15°.
When the ASS’Y EEV is tilted over those limits, performance cannot be guaranteed.
A
B
A : High pressure pipe from
outdoor unit (IN)
Diameter : Ø9.52mm
B : High pressure pipe to AHU
heat exchanger (OUT)
Diameter : Ø9.52mm
30°
+15°
Horizontal
Vertical Vertical
Horizontal
+15°
30°
 INSTALLATION (Continued)
(Refrigerant flow under cooling mode)
Datum
plane
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16
IN/OUT Sensor Installation
• 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.
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 collector 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)
Note
Example of room temperature sensor installation
Select IN/OUT sensor location



200mm
2 (OUT sensor) 1 (IN sensor)
Collector Distributor
Cooling Mode
Heating Mode
 Refrigerant flow
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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.
4) Bend end of the sensor clip to fix the sensor.
2) Braze the sensor holder on the pipe.
Sensor attachment method.
• Choose the location where temperature can be measured correctly.
• Try to attach closely to the contact surface.
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.
• Try to attach closely to the contact surface.
IN/OUT sensor installation example 2
3) Hold the sensor and put aluminum tape around to fix the
sensor.
Aluminum
tape
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.
Rubber
tape
Type Sensor OD (mm) Sensor holder ID
(mm)
IN sensor Ø 6 Ø 6.8
OUT sensor Ø 7 Ø 7.8 Aluminum tape
Sensor
Sensor
Pipe
Sensor
Sensor
Insulator Cable-tie
Rubber tape
 INSTALLATION (Continued)
Note
Note
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19
Setting the Address
1 2 3 4 1 2 3 4 1 2 3 4
12 3 4 VD VD 2 3 F1 F2 V1 V2 F3 F4
CN83
GND
RY75 RY76 RY77
CN81
K1 K2 K3 K4 K5 K6 K7 K8 K9K10K11K12
  








MAIN RMC
CN41 CN42 CN62 CN60
• After the installation, you have to set up the address.
Use MAIN and RMC switch to set the AHU KIT address.
• 10HP(MXD-A22K200X): Connect EEV to CN62/CN60 (Match the color of EEV connector and the socket)
5HP(MXD-A22K100X) : Connect EEV to CN62 Only (Do not connect CN60)
Use the rotary switch to set up the address for each of the AHU KIT.
Default setting is 0.

• Try not to touch other parts of the PBA with your hands when setting the address.
Part may get damaged due to static electricity.
FUNCTION SETTING
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20
 FUNCTION SETTING (Continued)
• To enable the centralized control (MCM-A202, DMS, S-NET III) of the system,
set up the same way as DVM PLUS II
• Use SW03 to set up the channel for interface module(MIM-B13). Choose from ‘0’, ‘1’, ‘2’.
• If the SW03 has been set up other than ‘0’, ‘1’ or ‘2’, it will be recognized as ‘2’.
• Use SW04 to set up the RMC address for interface module.
Setting the Controller Address
Example Channel 1, RMC 2
RMC
AHU KIT Main PBA
   


MIM-B13
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 system may not operate.
• Use both SW01 and SW02 to set the main address from ‘00’ to ‘99’.
• Ensure that AHU KIT does not have same address with any other indoor
units connected to the same outdoor unit.
Main address :12
Example
MAIN
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