Tadiran Telecom SUV2-H18/1CFA-N User manual

MODELS:
SUV2-H18/1CFA-N
SUV3-H24/1CGA-N
SUV4-H28/1CGA-N
SUV4-H36/1CKA-N
SUV5-H42/1CKA-N
(Refrigerant R410A)

CONTENT
1. Safety Precautions...................................................................................... 1
2. Specifications.............................................................................................. 2
2.1 Unit Specifications..................................................................................................... 2
2.2 Operation Characteristic Curve ............................................................................... 8
2.3 Capacity Variation Ratio According to Temperature .............................................. 8
2.4 Noise Curve ................................................................................................................9
3. Construction Views................................................................................... 10
3.1 Outdoor Unit ............................................................................................................. 10
4. Refrigerant System Diagram.................................................................... 13
5. Schematic Diagram................................................................................... 13
5.1 Electrical Wiring ....................................................................................................... 13
6. Installation Manual.................................................................................... 17
6.1 Standard Accessory Parts....................................................................................... 17
6.2 Installation Location and Matters Needing Attention .......................................... 18
6.3 Check after installation........................................................................................... 26
6.4 Test operation.......................................................................................................... 26
6.5 Conf guration of connection pipe.......................................................................... 27
6.6 Pipe expanding method.......................................................................................... 28
7. Exploded Views and Parts List ................................................................ 29
7.1 Outdoor Unit ............................................................................................................. 29
8. Troubleshooting ........................................................................................ 41
8.1 PCB Printed Diagram............................................................................................... 41
9. Removal Procedure .................................................................................. 45
9.1 Removal Procedure of Outdoor Unit...................................................................... 45
9.2 Removal Procedure of Outdoor Unit...................................................................... 51
9.3 Removal Procedure of Outdoor Unit...................................................................... 57

Summary and Features
Outdoor Unit
SUV2-H18/1CFA-N
SUV3-H24/1CGA-N、SUV4-H28/1CGA-N

SUV4-H36/1CKA-N、SUV5-H42/1CKA-N

1
Safety Precautions
Safety Precautions
1. Safety Precautions
Installing, starting up, and servicing air conditioner can behazardous due to system pressure, electrical components, and
equipment location, etc.Only trained, qualified installers and service personnel areallowed to install, start-up, and service this
equipment.Untrained personnel can perform basic maintenance fun-ctions such as cleaning coils. All other operations should be
performed by trained service personnel.When handling the equipment, observe precautions in themanual and on tags, stickers,
and labels attached to theequipment. Follow all safety codes. Wear safety glasses andwork gloves. Keep quenching cloth
and fire extinguisher nearby when brazing.Read the instructions thoroughly and follow all warnings orcautions in literature and
attached to the unit. Consult localbuilding codes and current editions of national as well as local electrical codes.
Recognize the following safety information:
◆ Make sure the outdoor unit is installed on a stable, level surface with no accumulation of snow, leaves, or trash beside.
◆ Make sure the ceiling/wall is strong enough to bear the weight of the unit.
◆ Make sure the noise of the outdoor unit does not disturb neighbors.
◆ Follow all the installation instructions to minimize the risk of damage from earth quakes, typhoons or strong winds.
◆ Avoid contact between refrigerant and fire as it generate spoisonous gas.
◆ Apply specified refrigerant only. Never have it mixed with any other refrigerant. Never have air remain in the refrigerant line as
it may lead to rupture and other hazards.
◆ Make sure no refrigerant gas is leaking out when installation is completed.
◆ Should there be refrigerant leakage, the density of refrigerant in the air shall in no way exceed its limited value, or it may lead
to explosion.
◆Keep your fingers and clothing away from any moving parts.
◆ Clear the site after installation. Make sure no foreign objects are left in the unit.
◆ Always ensure effective grounding for the unit.
Incorrect handling could result inpersonal injury or death. Incorrect handling may result inminor injury,or damage to product
or property.
Warning Caution
Warning Caution
All electric work must be performed by a licensed technician
according to local regulations and the instructions given in
this manual.
efore installing, modifying, or servicing system,
mainelectrical disconnect switch must be in the OFF position.
here may be more than  disconnect switch. ock out and
tag switch with a suitable warning label.
Never supply power to the unit unless all wiring and tubing
are completed, reconnected and checked.
his system adopts highly dangerous electrical voltage.
Incorrect connection or inadequate grounding can cause
personal injury or death. Stick to the wiring diagram and all
the instructions when wiring.
ave the unit adequately grounded in accordance with local
electrical codes.
ave all wiring connected tightly. oose connection may lead
to overheating and a possible fire hazard.
All installation or repair work shall be performed by your
dealer or a specialized subcontractor as there is the risk of
fire, electric shock, explosion or injury.
Never install the unit in a place where a combustible gas
might leak, or it may lead to fire or explosion.
Make a proper provision against noise when the unit is
installed at a telecommunication center or hospital.
rovide an electric leak breaker when it is installed in a
watery place.
Never wash the unit with water.
andle unit transportation with care. he unit should not be
carried by only one person if it is more than kg.
Never touch the heat exchanger fins with bare hands.
Never touch the compressor or refrigerant piping without
wearing glove.
o not have the unit operate without air filter.
Should any emergency occur, stop the unit and disconnect
the power immediately.
roperly insulate any tubing running inside the room to
prevent the water from damaging the wall.

2
Specifications
Specifications
2. Specifications
2.1 Unit Specifications
Model －SUV2-H18/1CFA-N SUV3-H24/1CGA-N
Product Code －KEJ001W0011 KEJ001W0021
Cooling Capacity KW 5.2(2.1 ～5.9) 7(2.3 ～8.45)
Heating Capacity KW 5.2(2.55 ～5.95) 7(3.5 ～8.6)
EER W/W 3.47 3.41
COP W/W 3.71 3.63
SEER 6.10 6.10
SCOP(Average) 4.00 4.00
Energy Class A++/A+ A++/A+
Sound Pressure Level dB(A) 54 55
Sound Power Level dB(A) 63 68
Rated Voltage V 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Min/Max. Voltage V~ 184/264 184/264
Cross-sectional Area of Power Cable Conductor mm2 1.50 2.50
Recommended Power Cable(Core) 3 3
Fuse Current A 16 25
Cooling Power Input KW 1.5(0.56 ～1.59) 2.05(1.05 ～2.85)
Heating Power Input KW 1.4(0.8 ～1.8) 1.93(0.95 ～2.8)
Cooling Rated Power Input KW 2.45 3.40
Heating Rated Power Input KW 2.30 3.30
Cooling Current Input A 6.59(2.46 ～6.98) 9.22(4.6 ～2.5)
Heating Current Input A 6.13(3.49 ～7.88) 9.22(4.18 ～12.32)
Cooling Rated Current Input A 10.87 15.08
Heating Rated Current Input A 10.20 14.64
Compressor Trademark MITSUBISHI MITSUBISHI
Compressor Manufacturer
MITSUBISHI
ELECTRIC(GUANGZHOU)
COMPRESSOR CO.,LTD
MITSUBISHI
ELECTRIC(GUANGZHOU)
COMPRESSOR CO.,LTD
Compressor Model SNB140FCAMC TNB220FFEMC
Compressor Type1 Inverter Rotary Inverter Rotary
Compressor Capacity W 4380 6940
Compressor Power Input W 1300 2150
Compressor Rated Load Amp (RLA) A 4.4 8.7
Compressor Locked Rotor Amp (L.R.A) A 15.5 49
Compressor Thermal Protector /
"1NT11L-6578
KSD115℃
HPC115/95U1"
Compressor Crankcase W 20 23
Chassis Electrical Heater Power Input W 72 96
Chassis Electrical Heater Current A 0.32 0.4

3
Specifications
Specifications
Model -SUV2-H18/1CFA-N SUV3-H24/1CGA-N
Fan Type Axial-flow Axial-flow
Fan Diameter-height mm 522-140 550-124
Fan Diameter-height inch 20.6-5.5 21.6-4.9
Motor Model SGW60M-ZL SGW120M-ZL
Motor Type DC motor DC motor
Motor Insulation Class E E
Motor Safe Class IP44 IP44
Motor Full Load Amp(FLA) A 1.03 0.96
Fan Motor Type DC motor DC motor
Fan Motor Speed rpm 750 750
Fan Motor Power Output W 60 120
Fan Motor Power Input W 85 145
Condenser Material Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Face Area m2 0.55 0.73
Condenser Pipe Diameter mm φ7φ7
Condenser Number of Rows 2 2
Condenser Tube Pitch(a)×Row Pitch(b) mm 22×19.05 22×19.05
Condenser Fin Pitch mm 1.4 1.4
Condenser Length(L) × Height(H) × Width(W) mm 840×660×38.1 970×748×38.1
Permissible Excessive Operating Pressure for the
Discharge Side MPa 4.3 4.3
Permissible Excessive Operating Pressure for the
Suction Side MPa 2.5 2.5
Cooling Operation Ambient Temperature Range ℃-15~55 -15~55
Heating Operation Ambient Temperature Range ℃-20 ～30 -20~30
Maximum drive IDU NO. unit 2 3
Defrosting Method Automatic Defrosting Automatic Defrosting
Isolation I I
Moisture Protection IP24 IP24
Overload Protector / /
Climate Type T1 T1
Refrigerant R410A R410A
Refrigerant Charge kg 1.40 1.90
Throttling Method Electron expansion valve Electron expansion valve
Dimension of Outline(W) mm 960 990
Dimension of Outline(D) mm 396 426
Dimension of Outline(H) MM 700 790
Connection Pipe Max. Height Distance(indoor and
indoor) m5 5
Max. equivalent connection pipe length(outdoor to
last indoor) m10 20
Connection Pipe Max. Length Distance(total
lenght) m20 60

4
Specifications
Specifications
Model －SUV4-H28/1CGA-N SUV4-H36/1CKA-N
Product Code －KEJ001W0060 KEJ001W0140
Cooling Capacity KW 8.2（2.3 ～10.55）10.50
Heating Capacity KW 8.2（4.1 ～10.7）10.50
EER W/W 3.57 2.92
COP W/W 3.90 3.28
SEER 6.10 6.10
SCOP(Average) 4.00 4.00
Energy Class A++/A+ A++/A+
Sound Pressure Level dB(A) 55 58
Sound Power Level dB(A) 68 68
Rated Voltage V 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Min/Max. Voltage V~ 184/264 184/264
Cross-sectional Area of Power Cable Conductor mm2 2.50 4.00
Recommended Power Cable(Core) 3 3
Fuse Current A 25 32
Cooling Power Input KW 2.30 3.60
Heating Power Input KW 2.10 3.20
Cooling Rated Power Input KW 3.60 4.80
Heating Rated Power Input KW 3.40 4.60
Cooling Current Input A 10.20 15.81
Heating Current Input A 9.32 14.05
Cooling Rated Current Input A 15.97 21.08
Heating Rated Current Input A 15.08 20.41
Compressor Trademark MITSUBISHI MITSUBISHI
Compressor Manufacturer
MITSUBISHI
ELECTRIC(GUANGZHOU)
COMPRESSOR CO.,LTD
MITSUBISHI
ELECTRIC(GUANGZHOU)
COMPRESSOR CO.,LTD
Compressor Model TNB220FFEMC TNB306FPGMC
Compressor Type1 Inverter Rotary Inverter Rotary
Compressor Capacity W 6940 9880
Compressor Power Input W 2150 3010
Compressor Rated Load Amp (RLA) A 8.7 13.5
Compressor Locked Rotor Amp (L.R.A) A 49 67
Compressor Thermal Protector
"1NT11L-6578
KSD115℃
HPC115/95U1"
Outlay CS-7C-1595
Compressor Crankcase W 23 27
Chassis Electrical Heater Power Input W 96 96
Chassis Electrical Heater Current A 0.4 0.4

5
Specifications
Specifications
Model -SUV4-H28/1CGA-N SUV4-H36/1CKA-N
Fan Type Axial-flow Axial-flow
Fan Diameter-height mm 550-124 570-137
Fan Diameter-height inch 21.6-4.9 21.6-4.9
Motor Model SGW120M-ZL SGW120M-ZL
Motor Type DC motor DC motor
Motor Insulation Class E E
Motor Safe Class IP44 IP44
Motor Full Load Amp(FLA) A 0.96 0.96
Fan Motor Type DC motor DC motor
Fan Motor Speed rpm 750 840
Fan Motor Power Output W 120 120
Fan Motor Power Input W 145 165
Condenser Material Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Face Area m2 0.73 0.915
Condenser Pipe Diameter mm φ7φ8
Condenser Number of Rows 2.5 2.5
Condenser Tube Pitch(a)×Row Pitch(b) mm 22×19.05 22×19.05
Condenser Fin Pitch mm 1.4 1.40
Condenser Length(L) × Height(H) × Width(W) mm 990×790×38.1 945×968×38.1
Permissible Excessive Operating Pressure for the
Discharge Side MPa 4.3 4.3
Permissible Excessive Operating Pressure for the
Suction Side MPa 2.5 2.5
Cooling Operation Ambient Temperature Range ℃-15~55 -15~55
Heating Operation Ambient Temperature Range ℃-20~30 -20~30
Maximum drive IDU NO. unit 4 4
Defrosting Method Automatic Defrosting Automatic Defrosting
Isolation I I
Moisture Protection IP24 IP24
Overload Protector / /
Climate Type T1 T1
Refrigerant R410A R410A
Refrigerant Charge kg 2.40 3.90
Throttling Method Electron expansion valve Electron expansion valve
Dimension of Outline(W) mm 990 1020
Dimension of Outline(D) mm 426 396
Dimension of Outline(H) MM 790 998
Connection Pipe Max. Height Distance(indoor and
indoor) m 5 7.5
Max. equivalent connection pipe length(outdoor to
last indoor) m20 25
Connection Pipe Max. Length Distance(total
lenght) m70 70

6
Specifications
Specifications
Model －SUV5-H42/1CKA-N
Product Code －KEJ001W0150
Cooling Capacity KW 12.10
Heating Capacity KW 12.10
EER W/W 2.69
COP W/W 2.88
SEER 5.60
SCOP(Average) 4.00
Energy Class A+/A+
Sound Pressure Level dB(A) 58
Sound Power Level dB(A) 68
Rated Voltage V 220-240
Rated Frequency Hz 50
Phases 1
Min/Max. Voltage V~ 184/264
Cross-sectional Area of Power Cable Conductor mm2 4.00
Recommended Power Cable(Core) 3
Fuse Current A 32
Cooling Power Input KW 4.50
Heating Power Input KW 4.20
Cooling Rated Power Input KW 5.20
Heating Rated Power Input KW 5.00
Cooling Current Input A 19.76
Heating Current Input A 18.45
Cooling Rated Current Input A 22.84
Heating Rated Current Input A 22.18
Compressor Trademark MITSUBISHI
Compressor Manufacturer MITSUBISHI ELECTRIC(GUANGZHOU) COMPRESSOR CO.,LTD
Compressor Model TNB306FPGMC
Compressor Type1 Inverter Rotary
Compressor Capacity W 9880
Compressor Power Input W 3010
Compressor Rated Load Amp (RLA) A 13.5
Compressor Locked Rotor Amp (L.R.A) A 67
Compressor Thermal Protector Outlay CS-7C-1595
Compressor Crankcase W 27
Chassis Electrical Heater Power Input W 96
Chassis Electrical Heater Current A 0.4

7
Specifications
Specifications
Model -SUV5-H42/1CKA-N
Fan Type Axial-flow
Fan Diameter-height mm 570 －137
Fan Diameter-height inch 21.6-4.9
Motor Model SGW120M-ZL
Motor Type DC motor
Motor Insulation Class E
Motor Safe Class IP44
Motor Full Load Amp(FLA) A 0.96
Fan Motor Type DC motor
Fan Motor Speed rpm 840
Fan Motor Power Output W 120
Fan Motor Power Input W 165
Condenser Material Aluminum Fin-copper Tube
Condenser Face Area m2 0.915
Condenser Pipe Diameter mm φ8
Condenser Number of Rows 2.5
Condenser Tube Pitch(a)×Row Pitch(b) mm 22×19.05
Condenser Fin Pitch mm 1.40
Condenser Length(L) × Height(H) × Width(W) mm 945×968×38.1
Permissible Excessive Operating Pressure for the
Discharge Side MPa 4.3
Permissible Excessive Operating Pressure for the
Suction Side MPa 2.5
Cooling Operation Ambient Temperature Range ℃-15~55
Heating Operation Ambient Temperature Range ℃-20 ～30
Maximum drive IDU NO. unit 5
Defrosting Method Automatic Defrosting
Isolation I
Moisture Protection IP24
Overload Protector /
Climate Type T1
Refrigerant R410A
Refrigerant Charge kg 4.00
Throttling Method Electron expansion valve
Dimension of Outline(W) mm 1020
Dimension of Outline(D) mm 396
Dimension of Outline(H) MM 998
Connection Pipe Max. Height Distance(indoor and
indoor) m 7.5
Max. equivalent connection pipe length(outdoor to
last indoor) m25
Connection Pipe Max. Length Distance(total
lenght) m75

8
Specifications
Specifications
2.2 Operation Characteristic Curve
Compressor Speed(rps) Compressor Speed(rps)
Cooling Heating
Current(A)
Current(A)
0
1
2
3
4
5
6
7
8
9
10
0 20 40 60 80 100 120
WB19 °C
0
1
2
3
4
5
6
7
8
020406080100 120
Condition
Indoor:DB 27°C
Indoor air flow: Super High
Pipe length:5m
Voltage:230V
Condition
Indoor:DB 20°C
Indoor air flow: Super High
Pipe length:5m
Voltage:230V
2.3 Capacity Variation Ratio According to Temperature
50
60
70
80
90
100
110
120
130
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
Capacity ratio(%)
Outdoor temp. (°C)
Capacity ratio(%)
HeatingCooling
HeatingCooling
-20 -15 -10 -5 0 5 10
110
120
130
100
90
80
70
60
50
40
Outdoor temp.(°C)
50
60
70
80
90
100
110
120
130
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
Capacity ratio(%)
Outdoor temp. (°C)
Capacity ratio(
%)
–15 –10 –5
110
100
90
80
70
60
50
40
05710
Conditions
Indoor:DB20°C
Indoor air flow:Super High
Pipe length:5m
Outdoor temp.(°C)
Condition
Indoor:DB27°C WB19°C
Indoor air flow:
High
Pipe length:5m
Condition
Indoor:DB27°C WB19°C
Indoor air flow:
High
Pipe length:5m
Condition
Indoor:DB20°C
Indoor air flow:
High
Pipe length:5m
Heating operation ambient temperature range is -20ºC~24ºC
Heating operation ambient temperature range is -15ºC~24ºC

9
Specifications
Specifications
2.4 Noise Curve
Outdoor side noise when blowing
Compressor frequency(Hz)
46
48
50
52
54
56
58
60
62
20 0304 50607080 90
Noise dB(A)
18K
24&28K
36&42K

10
Construction Views
Construction Views
3. Construction Views
3.1 Outdoor Unit
Unit:mm
890
960
700
368 340
396
560
SUV2-H18/1CFA-N

11
Construction Views
Construction Views
SUV3-H24/1CGA-N、SUV4-H28/1CGA-N
Unit:mm
920
990
790
394 370
426
610

12
Construction Views
Construction Views
SUV4-H36/1CKA-N、SUV5-H42/1CKA-N
Unit:mm
950
1020
997
368
340
396
590

13
Refrigerant System Diagram
Refrigerant System Diagram
4. Refrigerant System Diagram
5. Schematic Diagram
5.1 Electrical Wiring
Symbol OG WH YE RD YEGN BN BU BK VT
Color symbol ORANGE WHITE YELLOW RED YELLOW GREEN BROWN BLUE BLACK VIOLET
Symbol COMP CT1,2 4V XT
Parts name COMPRESSOR OVERLOAD 4-WAY VALVE TERMINAL BLOCK PROTECTIVE EARTH
Meaning of marks
The outdoor and indoor units start to work once the power is switched on. During the cooling operation, the low
temperature, low pressure refrigerant gas from the heat exchanger of each indoor unit gets together and then is
taken into the compressor to be compressed into high temperature, high pressure gas, which will soon go to the heat
exchanger of the outdoor unit to exchange heat with the outdoor air and then is turned into refrigerant liquid. After
passing through the throttling device, the temperature and pressure of the refrigerant liquid will further decrease and then
go the main valve. After that, it will be divided and go to the heat exchanger of each indoor unit to exchange heat with the
air which needs to be conditioned. Consequently, the refrigerant liquid become low temperature, low pressure refrigerant
gas again. Such a refrigerant cycle goes round and round to achieve the desired cooling purpose. During the heating
operation, the four-way valve is involved to make the refrigerant cycle reversely. The refrigerant radiates heat in the heat
exchanger of the indoor unit(so do the electric heating devices)and absorb heat in the heat exchanger of the outdoor unit
for a heat pump heating cycle so as to achieve the desired heating purpose.
D
c
S
E
Gas/Liquid Separator
Compressor
Four-Way Valve
Motor
Capillary
Electronic Expansion Valve
Heat Exchanger
2#
Heat Exchanger
Filter 1#
3#
4#

14
Schematic Diagram
Schematic Diagram
SUV2-H18/1CFA-N
SUV3-H24/1CGA-N

15
Schematic Diagram
Schematic Diagram
SUV4-H28/1CGA-N
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16
Schematic Diagram
Schematic Diagram
SUV5-H42/1CKA-N
6$7
&20
5'
%.
287)$1
:98
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&20=4&20=4
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These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit.