Mitsubishi SUZ-A09VR.TH, SUZ-A12VR.TH, SUZ-A18VR.TH, SUZ-A24VR.TH Service Manual
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
HFC
utilized
R410A
TECHNICAL & SERVICE MANUAL
R410A
Outdoor unit
[model names] [Service Ref.]
SUZ-A09VR SUZ-A09VR.TH
SUZ-A12VR SUZ-A12VR.TH
SUZ-A18VR SUZ-A18VR.TH
SUZ-A24VR SUZ-A24VR.TH
No.OC304
REVISED EDITION-A
Indication of
model name
SUZ-A09VR.TH SUZ-A12VR.TH
Revision :
• SUZ-A18VR.TH and SUZ-A24VR.TH are added in
REVISED EDITION-A.
NOTE:
This service manual describes technical data of the
outdoor units.
•As for indoor units SLZ-A09AR.TH, SLZ-A12AR.TH,
SLZ-A18AR.TH, SEZ-A12AR.TH, SEZ-A18AR.TH,
SEZ-A24AR.TH and SEZ-A09CR.W, refer to the service
manual OC302 and OC303.
CONTENTS
1.
COMBINATION OF INDOOR AND OUTDOOR UNITS
2. TECHNICAL CHANGES ···································3
3. PART NAMES AND FUNCTIONS······················6
4. SPECIFICATION·················································7
5. NOISE CRITERIA CURVES·····························11
6. OUTLINES AND DIMENSIONS·······················12
7. WIRING DIAGRAM ··········································14
8. REFRIGERANT SYSTEM DIAGRAM··············16
9. PERFORMANCE CURVES······························19
10. ACTUA TOR CONTROL····································41
11. SERVICE FUNCTIONS·····································42
12. TROUBLESHOOTING ······································42
13. DISASSEMBLY INSTRUCTIONS·····················71
14. PARTS LIST······················································79
······2
• Please void OC304.
1
Heat pump type
Outdoor unit
SUZ-
SLZ-A09AR.TH
SLZ-A12AR.TH
SLZ-A18AR.TH
SEZ-A09CR.W
SEZ-A12AR.TH
SEZ-A18AR.TH
SEZ-A24AR.TH
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
OC302
—
OC303
Indoor unit
Service
Manual No.
Service Ref.
Heat pump
without
electric heater
A12VR.THA09VR.TH A24VR.THA18VR.TH
COMBINATION OF INDOOR AND OUTDOOR UNITS
2
Refrigerating
oil
Refrigerant
New refrigerant
R410A
HFC-32: HFC-125 (50%:50%)
Pseudo-azeotropic refrigerant
Not included
A1/A1
72.6
-51.4
1.557
64
Non combustible
0
1730
From liquid phase in cylinder
Possible
Incompatible oil
Non
Non
Previous refrigerant
R22
R22 (100%)
Single refrigerant
Included
A1
86.5
-40.8
0.94
44.4
Non combustible
0.055
1700
Gas phase
Possible
Compatible oil
Light yellow
Non
Refrigerant
Composition (Ratio)
Refrigerant handling
Chlorine
Safety group (ASHRAE)
Molecular weight
Boiling point (:)
Steam pressure [25:](Mpa)
Saturated steam density [25:](Kg/K)
Combustibility
ODP w1
GWP w2
Refrigerant charge method
Additional charge on leakage
Kind
Color
Smell
w1:Ozone Destruction Parameter : based on CFC-11
w2 :Global Warmth Parameter : based on CO
2
New Specification Current Specification
The incompatible refrigerating oil easily separates from
refrigerant and is in the upper layer inside the suction muffler.
Raising position of the oil back hole enables to back the
refrigerating oil of the upper layer to flow back to the
compressor.
Since refrigerant and refrigerating oil are compatible each,
refrigerating oil backs to the compressor through the lower
position oil back hole.
Compressor
Suction muffler
Oil back hole
Refrigerating oil
Refrigerant
Compressor
Suction muffler
Oil back hole
Refrigerating oil /Refrigerant
Compressor
2
TECHNICAL CHANGES
INFORMATION FOR THE AIR CONDITIONER WITH R410A REFRIGERANT
• This room air conditioner adopts an HFC refrigerant (R410A) which never destroys the ozone layer.
• Pay particular attention to the following points, though the basic installation procedure is same as that for R22 conditioners.
1 As R410A has working pressure approximate 1.6 times as high as that of R22, some special tools and piping parts/
materials are required. Refer to the table below.
2 Take sufficient care not to allow water and other contaminations to enter the R410A refrigerant during storage and
installation, since it is more susceptible to contaminations than R22.
3 For refrigerant piping, use clean, pressure-proof parts/materials specifically designed for R410A. (Refer to 2. Refrigerant
piping.)
4 Composition change may occur in R410A since it is a mixed refrigerant. When charging, charge liquid refrigerant to prevent
composition change.
NOTE : The unit of pressure has been changed to MPa on the international system of units(SI unit system).
The conversion factor is: 1(MPa [Gauge]) =10.2(kgf/ff[Gauge])
3
-30 -20 -10 0 10 20
30
40 50 60
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
(MPa [Gauge])
R410A
R22
Conversion chart of refrigerant temperature and pressure
Saturated liquid pressure
(:)
NOTE : The unit of pressure has been changed to MPa on the
R410A tools Can R22 tools be used?
Gas leak detector
R410A has high pressures beyond the measurement range of existing
gauges. Port diameters have been changed to prevent any other refrigerant
from being charged into the unit.
Hose material and cap size have been changed to improve the pressure
resistance.
Dedicated for HFC refrigerant.
6.35 mm and 9.52 mm
Description
Clamp bar hole has been enlarged to reinforce the spring strength in the tool.
Provided for flaring work (to be used with R22 flare tool).
Provided to prevent the back flow of oil. This adapter enables you to use
vacuum pumps.
It is difficult to measure R410A with a charging cylinder because the
refrigerant bubbles due to high pressure and high-speed vaporization
No
No
No
Yes
Yes
New
New
New
Gauge manifold
Charge hose
Torque wrench
Flare tool
Flare gauge
Vacuum pump
adapter
Electronic scale for
refrigerant charging
No : Not Substitutable for R410A Yes : Substitutable for R410A
No 12.7 mm
Wall
thickness
Outside diameter
Pipe
mm
For liquid
For gas
6.35
9.52
12.7
0.8 mm
0.8 mm
0.8 mm
Heat resisting foam plastic
Specific gravity 0.045 Thickness 8 mm
Insulation material
international system of units(SI unit system).
The conversion factor is: 1(MPa [Gauge]) =10.2(kgf/ff[Gauge])
1. Tools dedicated for the air conditioner with R410A refrigerant
The following tools are required for R410A refrigerant. Some R22 tools can be substituted for R410Atools.
The diameter of the service port on the stop valve in outdoor unit has been changed to prevent any other refrigerant being
charged into the unit. Cap size has been changed from 7/16 UNF with 20 threads to 1/2 UNF with 20 threads.
2. Refrigerant piping
1 Specifications
Use the refrigerant pipes that meet the following specifications.
• Use a copper pipe or a copper-alloy seamless pipe with a thickness of 0.8 mm. Never use any pipe with a thickness less
than 0.8mm, as the pressure resistance is insufficient.
4
Electronic scale for refrigerant charging
Outdoor unit
Refrigerant gas
cylinder
operating valve
Refrigerant gas cylinder
for R410A with siphon
Refrigerant (liquid)
Service port
Gauge manifold
valve (for R410A)
Union
Liquid pipe
Gas pipe
Stop valve
Indoor unit
Charge hose (for R410A)
R410A
Pipe diameter
mm
6.35
9.52
12.7
17
22
26
Dimension of flare nut
R22
17
22
24
2 Flaring work and flare nut
Flaring work for R410A pipe differs from that for R22 pipe.
For details of flaring work, refer to Installation manual “FLARING WORK”.
3. Refrigerant oil
Apply the special refrigeration oil (accessories: packed with indoor unit) to the flare and the union seat surfaces.
4. Air purge
• Do not discharge the refrigerant into the atmosphere.
Take care not to discharge refrigerant into the atmosphere during installation, reinstallation, or repairs to the refrigerant
circuit.
• Use the vacuum pump for air purging for the purpose of environmental protection.
5. Additional charge
For additional charging, charge the refrigerant from liquid phase of the gas cylinder.
If the refrigerant is charged from the gas phase, composition change may occur in the refrigerant inside the cylinder and the
outdoor unit. In this case, ability of the refrigerating cycle decreases or normal operation can be impossible. However,
charging the liquid refrigerant all at once may cause the compressor to be locked. Thus, charge the refrigerant slowly.
5
3
PART NAMES AND FUNCTIONS
SUZ-A09VR.TH
SUZ-A12VR.TH
OUTDOOR UNIT
SUZ-A18VR.TH
SUZ-A24VR.TH
OUTDOOR UNIT
Air inlet
(back and side)
Piping
Drain hose
Air outlet
Drain outlet
Air inlet
(back and side)
Piping
Drain hose
ACCESSORIES
Drain socket
1
ACCESSORIES
Drain socket
1
Drain cap [33
2
SUZ-A09VR.TH
SUZ-A12VR.TH
1
SUZ-A18VR.TH
SUZ-A24VR.TH
1
2
Air outlet
Drain outlet
6
4
Function
Power supply
Outdoor Service Ref.
Capacity Rated frequency(Min.~Max.)
Dehumidification
Air flow(High/Loww)
Starting current ✽1
Compressor motor current ✽1
Fan motor current
Model
Output
Winding
resistance(at 20:)
Model
Winding
resistance(at 20:)
Dimensions WOHOD
Weight
Sound level
Fan speed
Fan speed regulator
Refrigerant filling
capacity(R410A)
Refrigerating oil (Model)
Thermistor RT61 (at 0:)
Thermistor RT62 (at 100:)
Thermistor RT64 (at 50:)
Thermistor RT65 (at 25:)
Thermistor RT61 (at 100:)
Thermistor RT62 (at 25:)
Thermistor RT65 (at 50:)
Thermistor RT68 (at 25:)
kW
r/h
K /h
A
A
A
W
"
"
mm
kg
dB
rpm
kg
cc
k"
k"
k"
k"
k"
k"
k"
k"
Single phase
230V,50Hz
1900
4.20
0.24
KNB073FBVH
550
U-V 1.53 U-W 1.53
V-W 1.53
RA6V21-AA
WHT-BLK 347
BLK-RED 281
800o550o285
33
46
825
1
0.80
320 (NEO22)
32.6
13.4
17
10
—
—
—
—
Cooling
2.5(0.9-3.2)
1.4
3.28
3.29
Heating
3.0(0.9-4.3)
—
3.78
3.45
SUZ-A09VR.TH
Indoor Service Ref.
SLZ-A09AR.TH
Indoor Service Ref.
SLZ-A12AR.TH
Compressor
Fan
motor
Special
remarks
Coefficient of performance (C.O.P)
Capacity
Electrical
data
SUZ-A12VR.TH
Single phase
230V,50Hz
1900
4.90
0.24
KNB092FAAH
650
U-V 0.49 U-W 0.49
V-W 0.49
RA6V21-AA
WHT-BLK 347
BLK-RED 281
800o550o285
34
825
1
0.90
320 (NEO22)
32.6
13.4
17
10
—
—
—
—
Cooling
3.2(1.0-3.6)
1.8
4.43
3.02
47
Heating
3.8(0.9-4.8)
—
4.43
3.55
48
Indoor Service Ref.
SLZ-A18AR.TH
SUZ-A18VR.TH
Single phase
230V,50Hz
7.40
0.30
SNB130FLDH
850
U-V 0.45 U-W 0.45
V-W 0.45
PM8H60-UB
BLK-WHT 15.2
840o850o330
53
2
1.80
450 (NEO22)
—
—
—
—
13.4
10.0
17.0
10.0
Cooling
4.6(1.1-5.2)
2.3
2,940/1,320w
6.86
2.82
WHT-RED 15.2
53/50w
800/400w
Heating
5.0(0.9-6.5)
—
2,940/2,210w
6.46
3.23
RED-BLK 15.2
55/53w
800/620w
SPECIFICATION
SLZ-A•AR.TH / SUZ-A•VR.TH
NOTE : Test conditions are based on ISO 5151
Cooling : Indoor D.B. 27: W.B. 19:
Outdoor D.B. 35: W.B. 24:
Heating : Indoor D.B. 20: W.B. 15:
Outdoor D.B. 7: W.B. 6:
Refrigerant piping length (one way): 5m
✽1 Measured under rated operating frequency.
7
SUZ-A09VR.TH
Indoor Service Ref. SEZ-A09CR.W
Function
Power supply
Capacity Rated frequency(Min.~Max.)
Dehumidification
Air flow
Starting current ✽1
Compressor motor current ✽1
Fan motor current
Model
Output
Winding
resistance(at 20:)
Model
Winding
resistance(at 20:)
Dimensions WOHOD
Weight
Sound level
Fan speed
Fan speed regulator
Refrigerant filling
capacity(R410A)
Refrigerating oil (Model)
Thermistor RT61(at 0:)
Thermistor RT62(at 100:)
Thermistor RT64(at 50:)
Thermistor RT65(at 25:)
kW
r/h
K /h
A
A
A
W
"
"
mm
kg
dB
rpm
kg
cc
k"
k"
k"
k"
Compressor
Fan
motor
Special
remarks
Coefficient of performance(C.O.P)
Capacity
Electrical
data
Outdoor Service Ref.
Single phase
230V,50Hz
1900
4.30
0.24
KNB073FBVH
550
U-V 1.53 U-W 1.53
V-W 1.53
RA6V21-AA
WHT-BLK 347
BLK-RED 281
800o550o285
33
46
825
1
0.80
320 (NEO22)
32.6
13.4
17
10
Cooling
2.4 (1.0-3.2)
1.4
3.08
3.24
Heating
3.0 (0.9-4.2)
—
3.78
3.41
SEZ-A•CR.W / SUZ-A•VR.TH
NOTE : Test conditions are based on ISO 5151
Cooling : Indoor D.B. 27: W.B. 19:
Heating : Indoor D.B. 20: W.B. 15:
Refrigerant piping length (one way): 5m
✽1 Measured under rated operating frequency.
Outdoor D.B. 35: W.B. 24:
Outdoor D.B. 7: W.B. 6:
8
SEZ-A•AR.TH / SUZ-A•VR.TH
Outdoor Service Ref.
Function
Power supply
Capacity Rated frequency(Min.~Max.)
Dehumidification
Air flow(High/Loww)
Capacity
Starting current ✽1
Compressor motor current ✽1
Fan motor current
Electrical
data
Coefficient of performance(C.O.P)
Model
Output
Winding
resistance(at 20:)
Compressor
Model
Winding
Fan
motor
resistance(at 20:)
Dimensions WOHOD
Weight
Sound level(High/Loww)
Fan speed(High/Loww)
Fan speed regulator
Refrigerant filling
capacity(R410A)
Refrigerating oil (Model)
Thermistor RT61 (at 0:)
Thermistor RT62 (at 100:)
Special
remarks
Thermistor RT64 (at 50:)
Thermistor RT65 (at 25:)
Thermistor RT61 (at 100:)
Thermistor RT62 (at 25:)
Thermistor RT65 (at 50:)
Thermistor RT68 (at 25:)
kW
r/h
K /h
A
A
A
W
"
"
mm
kg
dB
rpm
kg
cc
k"
k"
k"
k"
k"
k"
k"
k"
SUZ-A12VR.TH
Indoor Service Ref.
SEZ-A12AR.TH
Cooling
Single phase
230V,50Hz
3.4 (1.0-3.8)
1.9
4.55
3.12
KNB092FAAH
U-V 0.49 U-W 0.49
V-W 0.49
RA6V21-AA
WHT-BLK 347
BLK-RED 281
800o550o285
320 (NEO22)
Heating
3.9 (0.9-5.0)
—
1900
5.00
4.45
0.24
3.55
650
34
47
825
1
0.90
32.6
13.4
17
10
—
—
—
—
SUZ-A18VR.TH
Indoor Service Ref.
SEZ-A18AR.TH
Cooling
Single phase
230V,50Hz
5.0(1.1-5.6)
2.5
2,940/1,640w
7.43
2.81
SNB130FLDH
U-V 0.45 U-W 0.45
V-W 0.45
PM8H60-UB
BLK-WHT 15.2
WHT-RED 15.2
840o850o330
53/51w
800/480w
450 (NEO22)
Heating
5.9(1.1-7.2)
—
2,940/2,210w
8.50
7.93
0.30
3.21
850
RED-BLK 15.2
53
55/53w
800/620w
2
1.80
—
—
—
—
13.4
10.0
17.0
10.0
SUZ-A24VR.TH
Indoor Service Ref.
SEZ-A24AR.TH
Cooling
Single phase
230V,50Hz
5.5(1.1-6.3)
3.3
2,940/1,640w
8.36
2.81
SNB130FLDH
U-V 0.45 U-W 0.45
V-W 0.45
PM8H60-UB
BLK-WHT 15.2
WHT-RED 15.2
840o850o330
53/51w
800/480w
450 (NEO22)
Heating
6.9(0.9-8.0)
—
2,940/2,210w
10.40
9.76
0.30
2.82
850
RED-BLK 15.2
53
55/53w
800/620w
2
1.80
—
—
—
—
13.4
10.0
17.0
10.0
NOTE : Test conditions are based on ISO 5151
Cooling : Indoor D.B. 27: W.B. 19:
Outdoor D.B. 35: W.B. 24:
Heating : Indoor D.B. 20: W.B. 15:
Outdoor D.B. 7: W.B. 6:
Refrigerant piping length (one way): 5m
✽1 Measured under rated operating frequency.
9
Model
Item
Current transformer
Current transformer
Smoothing capacitor
Outdoor fan capacitor
Diode module
Fuse
Fuse
Power transistor module
Expansion valve coil
Reactor
Current-detecting resistor
Current-detecting resistor
Current-limiting resistor
Solid state relay
Terminal block
Relay
Relay
R.V. coil
Outdoor fan motor thermal fuse
SUZ-A09VR.TH SUZ-A12VR.TH
(CT)
(CT761, CT781)
(
C62A, C62B, C61B
)
(C65)
(DB61, DB65)
(F61)
(F71, F801)
(IPM)
(LEV)
(L61)
(R61)
(R831)
(
R64A, R64B
)
(SR61)
(TB)
(X63)
(X64)
(21S4)
ETQ19Z53AY
ETQ19Z71AY
680+ 420V
1.8+ 440V
D25XB60
250V 20A
250V 3.15A
PS21244A
CAD-MD12ME 12VDC
10A 23.0mH
25m" 5W
5.1" 10W
G3MB
3P
G5N-1a/G5NB-1a
G4A-1A-PS
LD30013
Open 152:
45m" 5W 50m" 5W (2 elements)
Specifications and rating conditions of main electric parts
Service Ref.
Item
Smoothing capacitor
Current transformer
Current transformer
Fuse
Fuse
Fet array
Power transistor module
Reactor
Expansion valve
Power factor controller
Resistor
Resistor
Resistor
Solenoid coil relay
Terminal block
Terminal block
Relay
R.V. coil
SUZ-A18VR.TH
(CB1,2,3)
(CT1,2)
(CT61)
(F801, F912)
(F911)
(HC932)
(IPM)
(L)
(LEV)
(PFC)
(R64)
(R934A,B)
(RS1~4)
(SSR61)
(TB1)
(TB2)
(X64)
(21S4)
SUZ-A24VR.TH
560+ 450V
ETQ19Z68AY
ETQ19Z53AY
250V 3.15A
250V 1A
SLA5075
PS21244-A
340µH 20A
CAM-30YGME 12VDC
PS51259-A
10" 20W
1.1" 2W 2%
0.04" 7W
TLP3506
3P
2P
G4A
LD30013
SUZ-A09VR.TH
SUZ-A12VR.TH
SUZ-A18VR.TH
SUZ-A24VR.TH
10
5
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : Dry-bulb temperature 35: Wet-bulb temperature (24:)
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION
SPL(dB) LINE
High
SPEED
HEATING
46
46
Heating : Dry-bulb temperature 7: Wet-bulb temperature 6:
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION
SPL(dB)
LINE
High
FAN SPEED
HEATING
47
48
Test conditions,
Cooling : Dry-bulb temperature 35: Wet-bulb temperature (24:)
Heating : Dry-bulb temperature 7: Wet-bulb temperature 6:
OUTDOORUNIT
MICROPHONE
1m
COOLING
FUNCTION
SPL(dB(A)) LINE
High
SPEED
HEATING
53
55
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : Dry-bulb temperature 35: Wet-bulb temperature (24:)
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
Heating : Dry-bulb temperature 7: Wet-bulb temperature 6:
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
NOISE CRITERIA CURVES
SUZ-A09VR.TH
SUZ-A12VR.TH
SUZ-A18VR.TH
SUZ-A24VR.TH
11
6
10
69
800
302.5
500 Bolt pitch for installation
150
22.3
Handle
550
280
164.5
99.5
170.5
23
Service panel
Service port
285
344.5
44
400
Air in
Air out
Air in
17.5
Bolt pitch for
installation
304~325
40
Liquid refrigerant pipe joint
Refrigerant pipe (flared) [6.35
Gas refrigerant pipe joint
Refrigerant pipe (flared) [9.52
43-
35-
2 holes 10o21
Drain hole [42
REQUIRED SPACE
Basically open 100mm or more
without any obstruction in front
and on both sides of the unit.
350mm or more
200mm or more
100mm or more
100mm or more
Open two sides of left,
right, or rear side.
OUTLINES AND DIMENSIONS
SUZ-A09VR.TH
SUZ-A12VR.TH
OUTDOOR UNIT
Unit: mm
12
30-
35-
155
90
198
40
515
299
66
34
51
330
360
850
430
500
80
121
840
Open as a rule
500mm or more if
the front and both
sides are open
100mm or more
200mm or more if
there are obstacles
to both sides
Open as a rule
500mm or more if the back,
both sides and top are open
350mm or more
100mm or more
Service panel
Gas refrigerant
pipe joint
Refrigerant pipe
(flared) [12.7·····(SUZ-A18VR.TH)
[15.88···(SUZ-A24VR.TH)
Liquid refrigerant
pipe joint
Refrigerant pipe
(flared) [6.35
REQUIRED SPACE
SUZ-A18VR.TH
SUZ-A24VR.TH
OUTDOOR UNIT
Unit: mm
13
7
WIRING DIAGRAM
SUZ-A09VR.TH
SUZ-A12VR.TH
OUTDOOR UNIT
BLK
U
1
BLK
LD-U
U
P
W
RED
2
RED
WHT
LD-V
CT761
V
F801
C61B
C62B
+++
C62A
MC
3
LD-W
N
CN61
W
R61
V
WHT
C
CT781
IPM
T801
6
N
LEV
724
IC801
CN642
421
3
INVERTER P.C. BOARD
CN641
TR821
R831
2
112
CN643
RT64
RT61 RT62
RT65
refer to the indoor unit electric wiring
diagram for servicing.
(For field wiring)
: Terminal block, : Connector
2. Use copper conductors only.
3. Symbols below indicate.
Terminal 3 has 12V DC against terminal N.
However, between Terminal 3 and N, these
NOTE: 1. About the indoor side electric wiring
★ The 12V DC is NOT always against the ground.
NAME
terminals are NOT electrically insulated by the
transformer or other device.
BLK
L61
BLK
DB61
TAB63
R64B
R64A
L63
L62
TAB61
WHT
F61
WHT
TB
2
230V~
BLU
N
LD70
X64
TAB62
BLU
RED
3
12V
★
LD69
BLK
BLU
BLU
4
X63
3
F71
CT
DSA
NR61
GRN
GRN/YLW
21S4
1
LDE
2
DB65
123
1
CN721
C65
SR61
CN800
MF
3
2
213
CN601
725
C
N
7
726
C
N
CN771
POWER P.C. BOARD
AMBIENT TEMPERA TURE THERMIST OR
CURRENT-DETECTING RESISTOR
CURRENT-LIMITING RESISTOR
SYMBOL
RT65
R61,R831
R64A,R64B
NAME
EXPANSION VALVE COIL
REACTOR
CMC COIL
SYMBOL
LEV
L61
L62,L63MCMF
NAME
CURRENT TRANSFORMER
SMOOTHING CAPACITOR
FAN MOTOR CAPACITOR
SOLID STATE RELAY
TERMINAL BLOCK
SWITCHING POWER TRANSISTOR
TRANSFORMER
RELAY
SR61TBTR821
COMPRESSOR
DIODE MODULE
T801
X63,X64
FAN MOTOR
VARISTOR
DEFROST THERMISTOR
DISCHARGE TEMPERATURE THERMIST OR
NR61
RT61
RT62
SURGE ABSORBER
FUSE (20A)
FUSE (3.15A)
INTELLIGENT POWER DEVICE
REVERSING VALVE COIL
21S4
FIN TEMPERATURE THERMIST OR
RT64
POWER TRANSISTOR MODULE
TO
INDOOR
UNIT
CONNECTING
14
SYMBOL
CT,CT761,CT781
C62A,C62B,C61B
C65
DB61,DB65
DSA
F61
F71,F801
IC801
IPM
SUZ-A18VR.TH
SUZ-A24VR.TH
OUTDOOR UNIT
L
RED
W
CT2
PFC
R
1
2
S
RED
W
CB3
CB2
CB1
YLW
4
3
V
V
BLK
MC
IPM
BLK
U
WHT
CN5
21
BLK
U
21
CN3
CT1
RS3
RS4
RS2
RS1
CN4
CN2
27
6543 1
BLK
RT65
POWER
BOARD
LD9
LD1LD2
12
GRN
WHT
RED
BLK
BLK
BLK
BLK
BLK
BLU
ORN
PNK
GRY
CN801
13
12
CN701
CN702
MF
YLW
CN931
F801
CN7954123 78
RED
R934A
T801
WHT
231 34512
6
BLK
CN932
HC932
LEV
R934B
NAME
REVERSING VALVE SOLENOID COIL
FIN TEMP.THERMISTORRT65
SYMBOL
SOLENOID COIL RELAY
OUTDOOR HEAT EXCHANGER
TEMPERATURE THERMISTOR
SSR61
RT68
TERMINAL BLOCK
TERMINAL BLOCK
TRANSFORMER
21S4
TB2
X64 RELAY
TB1
T801
NAME
RED
4X64
TAB4
R64
F912
NF
TAB1
BRN
CIRCUIT
BREAKER
POWER SUPPLY
~/N 230V 50Hz
YLW
TB1
NR63
BLU
L
21
CN903
CT61
TAB2
PE
N
21
CN902
SSR61
F911
GRN/YLW
5123
CN901
CN912
13
LDE2
LDE1
BLK
1 567
BLK
5321
BLK
BLK
BLK
BLU
BLU
21S4
GRN
GRN
NOISE FILTER
P.C.BOARD
ELECTRONIC CONTROL
CN661
CN781
1
P.C.BOARD
BLU
RED
3
TB2
TO INDOOR
UNIT
CONNECTING
CN601
3
N
12V
RT62 RT61 RT68
RESISTOR
FAN MOTOR(INNER FUSE)MF
NOISE FILTERNF
VARISTOR
NR63
COMPRESSOR
MC
SYMBOL
RESISTOR
POWER FACTOR CONTROLLER
RESISTORR64
RS1~4
R934A,B
PFC
NAME
FUSE(250V 3.15A)F801
FUSE(250V 1A)F911
FUSE(250V 3.15A)F912
FET ARRAY
CURRENT TRANSFORMER
CURRENT TRANSFORMER
SMOOTHING CAPACITOR
CT1,2
CB1~3
SYMBOL
CT61
POWER TRANSISTOR MODULEIPM
HC932
DISCHARGE TEMP.THERMISTORRT61
DEFROST TEMP.THERMISTOR
RT62
2. Use copper conductors only(for field wiring).
3. Symbols below indicate.
1. About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing.
REACTOR
EXPANSION VALVELEV
L
NOTES
:Terminal block :Connector
15
8
Outdoor
heat
exchanger
Flared connection
Defrost
thermistor
RT61
Discharge
temperatuer
thermistor
RT62
Flared connection
Stop valve
(with strainar)
Stop valve
(with service port)
Refrigerant flow in cooling
Compressor
Muffler
4-way valve
Refrigerant flow in heating
Refrigerant pipe [9.52
(with heat insulator)
Refrigerant pipe
[6.35
(with heat insulator)
R.V. coil
heating ON
cooling OFF
Ambient
temperature
thermistor
RT65
Strainer
#100
Capillary tube
[3.0✕[2.0✕200
Expansion
valve
Muffler
Muffler
Outdoor
heat
exchanger
Flared connection
Defrost
thermistor
RT62
Discharge
temperature
thermistor
RT61
Flared connection
Stop valve
Stop valve
(with service port)
Capillary tube
[3.6✕[2.4✕50
Refrigerant flow in cooling
Compressor
4-way valve
Refrigerant flow in heating
Refrigerant pipe [12.7 (SUZ-A18VR.TH)
(with heat insulator) [15.88 (SUZ-A24VR.TH)
Refrigerant pipe [6.35
(with heat insulator)
LEV
R.V. coil
heating ON
cooling OFF
Muffler
#100
Strainer
#100
Receiver
Outdoor heat
exchanger
temperature
thermistor
RT68
Strainer
#100
REFRIGERANT SYSTEM DIAGRAM
SUZ-A09VR.TH
SUZ-A12VR.TH
OUTDOOR UNIT
Unit:mm
SUZ-A18VR.TH
SUZ-A24VR.TH
OUTDOOR UNIT
16
Unit:mm
Outdoor unit
precharged
800
900
14m
270
270
7m
0
0
6m
0
0
5m
0
0
11m
180
180
Models
Refrigerant piping length (one way)
Calculation : Xg=30g/mo(Refrigerant piping length(m) - 5)
8m
90
90
9m
120
120
10m
150
150
12m
210
210
13m
240
240
15m
300
300
20m
450
450
SUZ-A09VR.TH
SUZ-A12VR.TH
Refrigerant Piping
Max. length
A
w Height difference should be within 12m regardless of which unit, indoor or outdoor position is high.
w Max. Height
difference 12m
Indoor
unit
(SLZ/SEZ)
Outdoor unit
Refrigerant piping
Max. length : m
A
20
Gas
9.52
Liquid
6.35
Piping size O.D : mm
Models
SUZ-A09VR.TH
SUZ-A12VR.TH
SUZ-A09VR.TH
SUZ-A12VR.TH
MAX. REFRIGERANT PIPING LENGTH
MAX. HEIGHT DIFFERENCE
ADDITIONAL REFRIGERANT CHARGE (R410A:g)
17
Refrigerant Piping
Max. length
A
w Height difference should be within 15m regardless of which unit, indoor or outdoor position is high.
w Max. Height
difference 15m
Indoor
unit
Outdoor unit
(SLZ/SEZ)
Refrigerant piping
Max. length : m
A
30
Indoor unit
Gas 0.43
Liquid 0.5
Gas
12.7
15.88
Liquid
6.35
Outdoor unit
Gas 0
Liquid 0
SUZ-A18VR.TH
SUZ-A24VR.TH
Model
Piping size O.D : mm Length of connecting pipe : m
Refrigerant piping length (one way)
Outdoor unit
precharged
15m
160
160
20m
260
260
25m
360
360
30m
460
460
7m
0
0
10m
60
60
Model
SUZ-A18VR.TH
SUZ-A24VR.TH
1,800
1,800
SUZ-A18VR.TH
SUZ-A24VR.TH
MAX. REFRIGERANT PIPING LENGTH
MAX. HEIGHT DIFFERENCE
ADDITIONAL REFRIGERANT CHARGE(R410A : g)
Calculation : Xg=20g/m ✕ (Refrigerant piping length (m)–7)
18
9
Wet-and dry-bulb
thermometers
BACK VIEW
Indoor air Wet-bulb temperature
difference (degree)
Indoor intake air Wet-bulb temperature (:)
Outdoor intake air Dry-bulb temperature (:)
Indoor intake air Wet-bulb temperature (
:)
Outdoor intake air Dry-bulb temperature (:)
SUZ-A09VR.TH
6.6
6.1
5.6
5.2
4.7
4.2
8.0
7.5
6.9
6.3
5.7
5.2
Rated frequency 57Hz
SUZ-A12VR.TH
Rated frequency 67Hz
10.8
10.0
9.2
8.5
7.7
6.9
SUZ-A18VR.TH
Rated frequency 75Hz
PERFORMANCE CURVES
● SLZ-A09AR.TH / SUZ-A09VR.TH
● SLZ-A12AR.TH / SUZ-A12VR.TH
● SLZ-A18AR.TH / SUZ-A18VR.TH
The standard data contained in these specifications apply only to the operation of the air conditioner under normal condition.
Operating conditions vary according to the areas where these units are installed. The following information has been provided
to clarify the operating characteristics of the air conditioner under the conditions indicated by the performance curve.
(1) GUARANTEED VOLTAGE
Rated voltage : ±10% (207~253V), 50Hz
(2) AIR FLOW
Air flow should be set at MAX.
(3) MAIN READINGS
COOLING
(1) Indoor intake air wet-bulb temperature : W.B. ˚C
(2) Indoor outlet air wet-bulb temperature : W.B. ˚C
(3) Outdoor intake air dry-bulb temperature : D.B. ˚C
(4) Total input : W
Indoor air wet/dry-bulb temperature difference on the side of the chart on page shows the difference between the
indoor intake air wet/dry-bulb temperature and the indoor outlet air wet/dry-bulb temperature for your reference at service.
HEATING
(1) Indoor intake air dry-bulb temperature : D.B. ˚C
(2) Indoor outlet air dry-bulb temperature : D.B. ˚C
(3) Outdoor intake air wet-bulb temperature : W.B. ˚C
(4) Total input : W
How to measure the indoor air wet-bulb/dry-bulb temperature difference
1. Attach at least 2 sets of wet-and-dry-bulb thermometers to the indoor air inlet as shown in the figure, and at least 2 sets of
wet-and-dry-bulb thermometers to the indoor air outlet. The thermometers must be attached to the position where air speed
is high.
2. Attach at least 2 sets of wet-and-dry-bulb thermometers to the outdoor air inlet.
Cover the thermometers to prevent direct rays of the sun.
3. Check that the air filter is cleaned.
4. Open windows and doors of the room.
5. Press the EMERGENCY OPERATION switch once to start the COOL(HEAT) MODE.
6. When system stabilizes after more than 15 minutes, measure temperature and take an average temperature.
7. 10 minutes later, measure temperature again and check that the temperature does not change.
INDOOR UNIT
OUTDOOR UNIT
19
20.4
18.9
17.3
15.7
14.2
12.6
11.0
9.4
23.6
21.8
20.0
18.2
16.3
14.5
12.7
10.9
Indoor air Dry-bulb temperature
difference (degree)
Indoor intake air Dry-bulb temperature (
:)
Outdoor intake air Wet-bulb temperature (:)
Outdoor intake air Wet-bulb temperature (:)
Indoor intake air Dry-bulb temperature (:)
SUZ-A09VR.TH
Rated frequency 75Hz
SUZ-A12VR.TH
Rated frequency 76Hz
28.2
26.0
23.9
21.7
19.5
17.4
15.2
13.0
SUZ-A18VR.TH
Rated frequency 65Hz
NOTE:The above curves are for the heating operation without any frost.
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
Correction of Cooling capacity
Capacity correction factors
The operational frequency of compressor
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
Correction of Cooling capacity
Capacity correction factors
The operational frequency of compressor
Correction of Cooling total input
Input correction factors
The operational frequency of compressor
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
2.0
1.5
1.0
0.5
0.0
0 50 100 150(Hz)
Correction of Heating capacity
Capacity correction factors
The operational frequency of compressor
2.0
1.5
1.0
0.5
0.0
Correction of
Heating total input
Input correction factors
The operational frequency of compressor
0 50 100 150(Hz)
2.0
1.5
1.0
0.5
0.0
0 50 100 150(Hz)
Correction of Heating capacity
Capacity correction factors
The operational frequency of compressor
Correction of Heating total input
The operational frequency of compressor
0 50 100 150(Hz)
2.0
1.5
1.0
0.5
0.0
Input correction factors
The operational frequency of compressor
Correction of Cooling total input
0 50 100 150(Hz)
2.0
1.5
1.0
0.5
0.0
Input correction factors
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
Correction of Cooling capacity
Capacity correction factors
The operational frequency of compressor
Correction of Cooling total input
Input correction factors
The operational frequency of compressor
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
2.5
2.0
1.5
1.0
0.5
0.0
Correction of
Heating total input
Input correction factors
The operational frequency of compressor
0 50 100 150(Hz)
2.0
1.5
1.0
0.5
0.0
0 50 100 150(Hz)
Correction of Heating capacity
Capacity correction factors
The operational frequency of compressor
SUZ-A09VR.TH
SUZ-A12VR.TH SUZ-A12VR.TH SUZ-A12VR.TH SUZ-A12VR.TH
SUZ-A09VR.TH SUZ-A09VR.TH SUZ-A09VR.TH
SUZ-A18VR.TH SUZ-A18VR.TH SUZ-A18VR.TH SUZ-A18VR.TH
OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT
<How to operate fixed-frequency operation (Test run operation)>
1. Press the EMERGENCY OPERATION switch to COOL or HEAT mode.
2. Test run operation starts and continue to operate for 30 minutes.
3. Compressor starts at rated frequency in COOL mode or 58Hz in HEAT mode.
4. Indoor fan operates at High speed.
5. After 30 minutes, test run operation finishes and EMERGENCY OPERATION starts.
6. To cancel test run operation (EMERGENCY OPERATION), press the EMERGENCY OPERATION switch or any button on
remote controller.
NOTE : The unit of pressure has been changed to MPa on the international system of units (SI unit system).
The conversion factor is: 1(MPa [Gauge]) =10.2(kgf/ff[Gauge])
20
Outdoor unit current(A)
15 2050256030
70 (%)
35(˚C)
2
2.5
3
3.5
4
57Hz
32
18
Ambient temperature(˚C) Ambient humidity(%)
SUZ-A12VR.TH
15 205025
60
30
70 (%)
35(˚C)
2
3
4
5
6
67Hz
32
18
Outdoor unit current(A)
Ambient temperature(˚C) Ambient humidity(%)
SUZ-A09VR.TH
(MPa [Gauge])
(kgf/F [Gauge])
18 32
15 2050256030
70 (%)
35(˚C)
0.2
0.4
0.6
0.8
1.0
1.2
57Hz
2
4
6
8
10
12
14
1.4
Ambient temperature(˚C) Ambient humidity(%)
Outdoor low pressure
SUZ-A09VR.TH
(MPa [Gauge])
(kgf/F [Gauge])
18 32
15 2050256030
70 (%)
35(˚C)
0.2
0.4
0.6
0.8
1.0
1.2
67Hz
1.4
Ambient temperature(˚C) Ambient humidity(%)
Outdoor low pressure
SUZ-A12VR.TH
2
4
6
8
10
12
14
Outdoor unit current(A)
15 2050256030
70 (%)
35(˚C)
5.0
6.0
7.0
8.0
9.0
75Hz
32
18
Ambient temperature(˚C) Ambient humidity(%)
SUZ-A18VR.TH
(MPa [Gauge])
(kgf/F [Gauge])
18 32
15 2050256030
70 (%)
35(˚C)
0.2
0.4
0.6
0.8
1.0
1.2
75Hz
1.4
Ambient temperature(˚C) Ambient humidity(%)
Outdoor low pressure
SUZ-A18VR.TH
2
4
6
8
10
12
14
OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT
SUZ-A09VR.TH
Outdoor unit current (A)
Ambient temperature(˚C)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2 5 10 15 20 25(:)
58Hz
SUZ-A12VR.TH
Outdoor unit current (A)
Ambient temperature(˚C)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
2 5 10 15 20 25(:)
58Hz
SUZ-A18VR.TH
Outdoor unit current (A)
Ambient temperature(˚C)
7.0
6.0
5.0
4.0
3.0
2.0
1.0
2 5 10 15 20 25(:)
58Hz
COOL operation
1 Both indoor and outdoor unit are under the
same temperature/humidity condition.
2 Air flow : High speed
3 Operational frequency : 57Hz(SUZ-A09VR.TH)
67Hz(SUZ-A12VR.TH)
75Hz(SUZ-A18VR.TH)
Dry-bulb temperature
20 50
25 60
30 70
Relative humidity(%)
HEAT operation
Condition indoor: Dry bulb temperature 20.0°C
Condition outdoor: Dry bulb temperature 2,7,15,20.0°C
Wet bulb temperature 14.5°C
Wet bulb temperature 1,6,12,14.5°C
21
Air outlet
Air inlet
Wet-and dry-bulb
thermometers
Wet-and dry-bulb
thermometers
BACK VIEW
● SEZ-A09CR.W / SUZ-A09VR.TH
● SEZ-A12AR.TH / SUZ-A12VR.TH
● SEZ-A18AR.TH / SUZ-A18VR.TH
● SEZ-A24AR.TH / SUZ-A24VR.TH
The standard data contained in these specifications apply only to the operation of the air conditioner under normal condition.
Operating conditions vary according to the areas where these units are installed. The following information has been provided
to clarify the operating characteristics of the air conditioner under the conditions indicated by the performance curve.
(1) GUARANTEED VOLTAGE
Rated voltage : ±10% (207~253V), 50Hz
(2) AIR FLOW
Air flow should be set at MAX.
(3) MAIN READINGS
COOLING
(1) Indoor intake air wet-bulb temperature : W.B.˚C
(2) Indoor outlet air wet-bulb temperature : W.B.˚C
(3) Outdoor intake air dry-bulb temperature : D.B.˚C
(4) Total input : W
Indoor air wet/dry-bulb temperature difference on the side of the chart on page shows the difference between the
indoor intake air wet/dry-bulb temperature and the indoor outlet air wet/dry-bulb temperature for your reference at service.
HEATING
(1) Indoor intake air dry-bulb temperature : D.B.˚C
(2) Indoor outlet air dry-bulb temperature : D.B.˚C
(3) Outdoor intake air wet-bulb temperature : W.B.˚C
(4) Total input : W
How to measure the indoor air wet-bulb/dry-bulb temperature difference
1. Attach at least 2 sets of wet-and-dry-bulb thermometers to the indoor air inlet as shown in the figure, and at least 2 sets of
wet-and-dry-bulb thermometers to the indoor air outlet. The thermometers must be attached to the position where air speed
is high.
2. Attach at least 2 sets of wet-and-dry-bulb thermometers to the outdoor air inlet.
Cover the thermometers to prevent direct rays of the sun.
3. Check that the air filter is cleaned.
4. Open windows and doors of the room.
5. Press the TEST button twice to start the COOL(HEAT) MODE.
6. When system stabilizes after more than 15 minutes, measure temperature and take an average temperature.
7. 10 minutes later, measure temperature again and check that the temperature does not change.
INDOOR UNIT
OUTDOOR UNIT
w The picture is SEZ-A12,18, 24AR.
SEZ-A09CR is similar to SEZ-A12, 18, 24AR.
22
NOTE:The above curves are for the heating operation without any frost.
Indoor air Wet-bulb temperature
difference (degree)
Indoor intake air Wet-bulb temperature (:)
Outdoor intake air Dry-bulb temperature (:)
Indoor intake air Wet-bulb temperature (
:)
Outdoor intake air Dry-bulb temperature (:)
7.9
7.4
6.8
6.2
5.7
5.1
SUZ-A09VR.TH
Rated frequency 57Hz
8.4
7.8
7.2
6.6
6.0
5.4
SUZ-A18VR.TH
Rated frequency 80Hz
7.8
7.2
6.7
6.1
5.6
5.0
SUZ-A12VR.TH
Rated frequency 67Hz
8.6
8.0
7.4
6.8
6.2
5.5
SUZ-A24VR.TH
Rated frequency 87Hz
25.2
23.2
21.3
19.4
17.4
15.5
13.6
11.6
Indoor air Dry-bulb temperature
difference (degree)
Indoor intake air Dry-bulb temperature (
:)
Outdoor intake air Wet-bulb temperature (:)
Outdoor intake air Wet-bulb temperature (:)
Indoor intake air Dry-bulb temperature (:)
SUZ-A09VR.TH
Rated frequency 75Hz
22.1
20.4
18.7
17.0
15.3
13.6
11.9
10.2
SUZ-A12VR.TH
Rated frequency 76Hz
24.5
22.6
20.7
18.9
17.0
15.1
13.2
11.3
SUZ-A18VR.TH
Rated frequency 80Hz
25.3
23.3
21.4
19.4
17.5
15.5
13.6
11.7
SUZ-A24VR.TH
Rated frequency 96Hz
23
SUZ-A09VR.TH
SUZ-A09VR.TH SUZ-A09VR.TH SUZ-A09VR.TH
SUZ-A12VR.TH
SUZ-A12VR.TH SUZ-A12VR.TH SUZ-A12VR.TH
SUZ-A18VR.TH
SUZ-A18VR.TH SUZ-A18VR.TH SUZ-A18VR.TH
SUZ-A24VR.TH
SUZ-A24VR.TH SUZ-A24VR.TH SUZ-A24VR.TH
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
Correction of Cooling capacity
Capacity correction factors
The operational frequency of compressor
Correction of Cooling total input
Input correction factors
The operational frequency of compressor
2.0
1.5
1.0
0.5
0.0
Correction of
Heating total input
Input correction factors
The operational frequency of compressor
0 50 100 150(Hz)
2.0
1.5
1.0
0.5
0.0
0 50 100 150(Hz)
2.0
1.5
1.0
0.5
0.0
0 50 100 150(Hz)
Correction of Heating capacity
Capacity correction factors
The operational frequency of compressor
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
Correction of Cooling capacity
Capacity correction factors
The operational frequency of compressor
Correction of Cooling total input
Input correction factors
The operational frequency of compressor
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
2.0
1.5
1.0
0.5
0.0
Correction of
Heating total input
Input correction factors
The operational frequency of compressor
0 50 100 150(Hz)
2.0
1.5
1.0
0.5
0.0
0 50 100 150(Hz)
Correction of Heating capacity
Capacity correction factors
The operational frequency of compressor
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
Correction of Cooling capacity
Capacity correction factors
The operational frequency of compressor
Correction of Cooling total input
Input correction factors
The operational frequency of compressor
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
2.0
1.5
1.0
0.5
0.0
Correction of
Heating total input
Input correction factors
The operational frequency of compressor
0 50 100 150(Hz)
2.0
1.5
1.0
0.5
0.0
0 50 100 150(Hz)
Correction of Heating capacity
Capacity correction factors
The operational frequency of compressor
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
Correction of Cooling capacity
Capacity correction factors
The operational frequency of compressor
Correction of Cooling total input
Input correction factors
The operational frequency of compressor
0 50 100 150(Hz)
0.0
0.5
1.0
1.5
2.0
1.5
1.0
0.5
0.0
Correction of
Heating total input
Input correction factors
The operational frequency of compressor
0 50 100 150(Hz)
2.0
1.5
1.0
0.5
0.0
0 50 100 150(Hz)
Correction of Heating capacity
Capacity correction factors
The operational frequency of compressor
OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT
<How to operate fixed-frequency operation (Test run operation)>
1. Press the TEST button to COOL or HEAT mode.
2. Test run operation starts and continue to operate for 30 minutes.
3. Compressor starts at rated frequency in COOL mode or 58Hz in HEAT mode.
4. Indoor fan operates at High speed.
5. After 30 minutes, test run operation finishes and EMERGENCY OPERATION starts.
6. To cancel test run operation (EMERGENCY OPERATION), press the ON/OFF button on remote controller.
NOTE : The unit of pressure has been changed to MPa on the international system of units (SI unit system).
The conversion factor is: 1(MPa [Gauge]) =10.2(kgf/ff[Gauge])
24
OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT
SUZ-A09VR.TH
Outdoor unit current (A)
Ambient temperature(˚C)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
2 5 10 15 20 25(:)
58Hz
SUZ-A12VR.TH
Outdoor unit current (A)
Ambient temperature(˚C)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
2 5 10 15 20 25(:)
58Hz
SUZ-A18VR.TH
Outdoor unit current (A)
Ambient temperature(˚C)
7.0
6.0
5.0
4.0
3.0
2.0
1.0
2 5 10 15 20 25(:)
58Hz
58Hz
SUZ-A24VR.TH
Outdoor unit current (A)
Ambient temperature(˚C)
7.0
6.0
5.0
4.0
3.0
2.0
1.0
2 5 10 15 20 25(:)
COOL operation
1 Both indoor and outdoor unit are under the
same temperature/humidity condition.
2 Air flow : High speed
3 Operational frequency : 57Hz(SUZ-A09VR.TH)
67Hz(SUZ-A12VR.TH)
80Hz(SUZ-A18VR.TH)
87Hz(SUZ-A24VR.TH)
Dry-bulb temperature
20
25
30 70
Relative humidity(%)
50
60
(kgf/F [Gauge])
14
12
10
8
6
Outdoor low pressure
4
2
Ambient temperature(˚C) Ambient humidity(%)
(MPa [Gauge])
1.4
1.2
1.0
0.8
0.6
0.4
0.2
15 2050256030
18 32
57Hz
70 (%)
SUZ-A09VR.TH
6
5
SUZ-A09VR.TH
60
57Hz
30
35(˚C)
32
70 (%)
4
3
Outdoor unit current(A)
2
15 205025
18
Ambient temperature(˚C) Ambient humidity(%)
SUZ-A12VR.TH
35(˚C)
(kgf/F [Gauge])
14
12
10
8
6
Outdoor low pressure
4
2
Ambient temperature(˚C) Ambient humidity(%)
(MPa [Gauge])
1.4
1.2
1.0
0.8
0.6
0.4
0.2
15 2050256030
18 32
SUZ-A12VR.TH
6
5
4
3
Outdoor unit current(A)
2
15 205025
18
Ambient temperature(˚C) Ambient humidity(%)
60
67Hz
35(˚C)
70 (%)
67Hz
30
35(˚C)
32
70 (%)
(kgf/F [Gauge])
14
12
10
8
6
Outdoor low pressure
4
2
Ambient temperature(˚C) Ambient humidity(%)
(MPa [Gauge])
1.4
1.2
1.0
0.8
0.6
0.4
0.2
15 2050256030
18 32
80Hz
70 (%)
SUZ-A18VR.TH
SUZ-A18VR.TH
10
9
8
7
Outdoor unit current(A)
6
15 205025
18
Ambient temperature(˚C) Ambient humidity(%)
60
80Hz
30
35(˚C)
32
70 (%)
SUZ-A24VR.TH
35(˚C)
(kgf/F [Gauge])
14
12
10
8
6
Outdoor low pressure
4
2
Ambient temperature(˚C) Ambient humidity(%)
(MPa [Gauge])
1.4
1.2
1.0
0.8
0.6
0.4
0.2
15 2050256030
18 32
SUZ-A24VR.TH
12
10
8
6
Outdoor unit current(A)
4
15 205025
18
Ambient temperature(˚C) Ambient humidity(%)
60
87Hz
35(˚C)
70 (%)
87Hz
30
35(˚C)
32
70 (%)
HEAT operation
Condition indoor: Dry bulb temperature 20.0°C
Condition outdoor: Dry bulb temperature 2,7,15,20.0°C
Wet bulb temperature 14.5°C
Wet bulb temperature 1,6,12,14.5°C
25
OUTDOOR D.B.(;)
INDOOR INDOOR
21 25 27 30
D.B.(;) W.B.(;)
Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT
21
21
22
22
22
23
23
23
24
24
24
24
25
25
25
26
26
26
26
26
27
27
27
27
27
28
28
28
28
28
29
29
29
29
29
30
30
30
30
30
31
31
31
31
31
32
32
32
32
32
18
20
18
20
22
18
20
22
18
20
22
24
20
22
24
18
20
22
24
26
18
20
22
24
26
18
20
22
24
26
18
20
22
24
26
18
20
22
24
26
18
20
22
24
26
18
20
22
24
26
2.94
3.06
2.94
3.06
3.19
2.94
3.06
3.19
2.94
3.06
3.19
3.35
3.06
3.19
3.35
2.94
3.06
3.19
3.35
3.45
2.94
3.06
3.19
3.35
3.45
2.94
3.06
3.19
3.35
3.45
2.94
3.06
3.19
3.35
3.45
2.94
3.06
3.19
3.35
3.45
2.94
3.06
3.19
3.35
3.45
2.94
3.06
3.19
3.35
3.45
0.67
0.55
0.71
0.59
0.47
0.75
0.63
0.51
0.79
0.67
0.55
0.43
0.71
0.59
0.47
0.87
0.75
0.63
0.51
0.39
0.91
0.79
0.67
0.55
0.43
0.95
0.83
0.71
0.59
0.47
0.99
0.87
0.75
0.63
0.51
1.03
0.91
0.79
0.67
0.55
1.07
0.95
0.83
0.71
0.59
1.11
0.99
0.87
0.75
0.63
608
638
608
638
661
608
638
661
608
638
661
692
638
661
692
608
638
661
692
730
608
638
661
692
730
608
638
661
692
730
608
638
661
692
730
608
638
661
692
730
608
638
661
692
730
608
638
661
692
730
1.97
1.68
2.09
1.81
1.50
2.20
1.93
1.63
2.32
2.05
1.75
1.44
2.17
1.88
1.57
2.56
2.30
2.01
1.71
1.35
2.67
2.42
2.14
1.84
1.48
2.79
2.54
2.26
1.98
1.62
2.91
2.66
2.39
2.11
1.76
3.03
2.79
2.52
2.24
1.90
3.14
2.91
2.65
2.38
2.04
3.26
3.03
2.77
2.51
2.17
2.81
2.94
2.81
2.94
3.08
2.81
2.94
3.08
2.81
2.94
3.08
3.23
2.94
3.08
3.23
2.81
2.94
3.08
3.23
3.35
2.81
2.94
3.08
3.23
3.35
2.81
2.94
3.08
3.23
3.35
2.81
2.94
3.08
3.23
3.35
2.81
2.94
3.08
3.23
3.35
2.81
2.94
3.08
3.23
3.35
2.81
2.94
3.08
3.23
3.35
0.67
0.55
0.71
0.59
0.47
0.75
0.63
0.51
0.79
0.67
0.55
0.43
0.71
0.59
0.47
0.87
0.75
0.63
0.51
0.39
0.91
0.79
0.67
0.55
0.43
0.95
0.83
0.71
0.59
0.47
0.99
0.87
0.75
0.63
0.51
1.03
0.91
0.79
0.67
0.55
1.07
0.95
0.83
0.71
0.59
1.11
0.99
0.87
0.75
0.63
638
676
638
676
703
638
676
703
638
676
703
730
676
703
730
638
676
703
730
768
638
676
703
730
768
638
676
703
730
768
638
676
703
730
768
638
676
703
730
768
638
676
703
730
768
638
676
703
730
768
1.88
1.62
2.00
1.73
1.45
2.11
1.85
1.57
2.22
1.97
1.69
1.39
2.09
1.81
1.52
2.45
2.20
1.94
1.64
1.31
2.56
2.32
2.06
1.77
1.44
2.67
2.44
2.18
1.90
1.57
2.78
2.56
2.31
2.03
1.71
2.90
2.67
2.43
2.16
1.84
3.01
2.79
2.55
2.29
1.98
3.12
2.91
2.68
2.42
2.11
2.70
2.85
2.70
2.85
3.00
2.70
2.85
3.00
2.70
2.85
3.00
3.15
2.85
3.00
3.15
2.70
2.85
3.00
3.15
3.30
2.70
2.85
3.00
3.15
3.30
2.70
2.85
3.00
3.15
3.30
2.70
2.85
3.00
3.15
3.30
2.70
2.85
3.00
3.15
3.30
2.70
2.85
3.00
3.15
3.30
2.70
2.85
3.00
3.15
3.30
0.67
0.55
0.71
0.59
0.47
0.75
0.63
0.51
0.79
0.67
0.55
0.43
0.71
0.59
0.47
0.87
0.75
0.63
0.51
0.39
0.91
0.79
0.67
0.55
0.43
0.95
0.83
0.71
0.59
0.47
0.99
0.87
0.75
0.63
0.51
1.03
0.91
0.79
0.67
0.55
1.07
0.95
0.83
0.71
0.59
1.11
0.99
0.87
0.75
0.63
669
692
669
692
722
669
692
722
669
692
722
752
692
722
752
669
692
722
752
790
669
692
722
752
790
669
692
722
752
790
669
692
722
752
790
669
692
722
752
790
669
692
722
752
790
669
692
722
752
790
1.81
1.57
1.92
1.68
1.41
2.03
1.80
1.53
2.13
1.91
1.65
1.35
2.02
1.77
1.48
2.35
2.14
1.89
1.61
1.29
2.46
2.25
2.01
1.73
1.42
2.57
2.37
2.13
1.86
1.55
2.67
2.48
2.25
1.98
1.68
2.78
2.59
2.37
2.11
1.82
2.89
2.71
2.49
2.24
1.95
3.00
2.82
2.61
2.36
2.08
2.60
2.75
2.60
2.75
2.88
2.60
2.75
2.88
2.60
2.75
2.88
3.05
2.75
2.88
3.05
2.60
2.75
2.88
3.05
3.20
2.60
2.75
2.88
3.05
3.20
2.60
2.75
2.88
3.05
3.20
2.60
2.75
2.88
3.05
3.20
2.60
2.75
2.88
3.05
3.20
2.60
2.75
2.88
3.05
3.20
2.60
2.75
2.88
3.05
3.20
0.67
0.55
0.71
0.59
0.47
0.75
0.63
0.51
0.79
0.67
0.55
0.43
0.71
0.59
0.47
0.87
0.75
0.63
0.51
0.39
0.91
0.79
0.67
0.55
0.43
0.95
0.83
0.71
0.59
0.47
0.99
0.87
0.75
0.63
0.51
1.03
0.91
0.79
0.67
0.55
1.07
0.95
0.83
0.71
0.59
1.11
0.99
0.87
0.75
0.63
699
722
699
722
752
699
722
752
699
722
752
790
722
752
790
699
722
752
790
813
699
722
752
790
813
699
722
752
790
813
699
722
752
790
813
699
722
752
790
813
699
722
752
790
813
699
722
752
790
813
1.74
1.51
1.85
1.62
1.35
1.95
1.73
1.47
2.05
1.84
1.58
1.31
1.95
1.70
1.43
2.26
2.06
1.81
1.56
1.25
2.37
2.17
1.93
1.68
1.38
2.47
2.28
2.04
1.80
1.50
2.57
2.39
2.16
1.92
1.63
2.68
2.50
2.27
2.04
1.76
2.78
2.61
2.39
2.17
1.89
2.89
2.72
2.50
2.29
2.02
PERFORMANCE DATA
COOLING operation Rated frequency 57Hz
SLZ-A09AR.TH / SUZ-A09VR.TH
CAPACITY : 2.5(kW) INPUT : 760(W) SHF : 0.85
NOTE Q : Total capacity (kW) SHF : Sensible heat factor DB : Dry-bulb temperature
SHC : Sensible heat capacity (kW) INPUT : Total power input (W) WB : Wet-bulb temperature
26
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