Sanyo STW-2 Series Operating manual
TECHNICAL & SERVICE MANUAL
STW-2 Series
REFERENCE NO. SM700508
PACKAGED TERMINAL
AIR CONDITIONERS (PTAC)
FILE NO.
Destination: U.S.A.
Capacity Class Model No.
6,000 BTU STW0622C2
9,000 BTU
STW0922C2
12,000 BTU
STW1222C2
COOLING & ELECTRIC HEATING MODEL (230/208 V)
Heater
2.55 kW
2.55 kW
2.55 kW
Product Code No.
1 851 006 46
1 851 006 48
1 851 006 51
STW0623C23.45 kW 1 851 006 47
STW0923C23.45 kW 1 851 006 49
STW0925C25.00 kW 1 851 006 50
15,000 BTU
STW1522C22.55 kW 1 851 006 53
STW1223C23.45 kW 1 851 006 44
STW1225C25.00 kW 1 851 006 52
STW1523C23.45 kW 1 851 006 54
STW1525C25.00 kW 1 851 006 55
COOLING & ELECTRIC HEATING MODEL (265 V)
Capacity Class Heater Model No. Product Code No.
6,000 BTU 3.00 kW STW0633C2 1 851 006 56
4.00 kW STW0634C2 1 851 006 57
9,000 BTU 3.00 kW STW0933C2 1 851 006 58
4.00 kW STW0934C2 1 851 006 59
12,000 BTU
3.00 kW STW1233C2 1 851 006 60
4.00 kW STW1234C2 1 851 006 61
5.00 kW STW1235C2 1 851 006 62
15,000 BTU 4.00 kW STW1534C2 1 851 006 63
5.00 kW STW1535C2 1 851 006 64
Capacity Class Model No.
6,000 BTU STW0622H2
9,000 BTU
STW0922H2
12,000 BTU
STW1222H2
HEAT PUMP MODEL (230/208 V)
Heater
2.55 kW
2.55 kW
2.55 kW
Product Code No.
1 851 006 65
1 851 006 67
1 851 006 70
STW0623H23.45 kW 1 851 006 66
STW0923H23.45 kW 1 851 006 68
STW0925H25.00 kW 1 851 006 69
15,000 BTU
STW1522H22.55 kW 1 851 006 73
STW1223H23.45 kW 1 851 006 71
STW1225H25.00 kW 1 851 006 72
STW1523H23.45 kW 1 851 006 74
STW1525H25.00 kW 1 851 006 75
HEAT PUMP MODEL (265 V)
Capacity Class Heater Model No. Product Code No.
6,000 BTU 3.00 kW STW0633H2 1 851 006 76
4.00 kW STW0634H2 1 851 006 77
9,000 BTU 3.00 kW STW0933H2 1 851 006 45
4.00 kW STW0934H2 1 851 006 78
12,000 BTU
3.00 kW STW1233H2 1 851 006 79
4.00 kW STW1234H2 1 851 006 80
5.00 kW STW1235H2 1 851 006 81
15,000 BTU 4.00 kW STW1534H2 1 851 006 82
5.00 kW STW1535H2 1 851 006 83
PACKAGED TERMINAL
HEAT PUMPS (PTHP)
IMPORTANT!
Please Read Before Starting
This air conditioner meets strict safety and operating
standards. As the installer or service person, it is an
important part of your job to install or service the system so it
operates safely and efficiently.
For safe installation and trouble-free operation, you
must:
• Carefully read the INSTRUCTION MANUAL and
INSTALLATION INSTRUCTIONS attached to each air
conditioner before beginning.
• Follow each installation or repair step exactly as shown.
• Observe all local, state, and national electrical codes.
• Pay close attention to all warning and caution notices given
in this manual. This symbol refers to a hazard or unsafe
practice which can result in severe
personal injury or death.
This symbol refers to a hazard or unsafe
practice which can result in personal
injury or product or property damage.
If Necessary, Get Help
These instructions are all you need for most installation sites
and maintenance conditions. If you require help for a special
problem, contact our sales/service outlet or your certified
dealer for additional instructions.
SPECIAL PRECAUTIONS
When Wiring
ELECTRICAL SHOCK CAN CAUSE SEVERE
PERSONAL INJURY OR DEATH. ONLY A
QUALIFIED, EXPERIENCED ELECTRICIAN
SHOULD ATTEMPT TO WIRE THIS SYSTEM.
• All wiring must conform to local electrical codes.
• Each unit must be properly grounded with a ground (or
earth) wire or through the supply wiring.
• DO NOT, under any circumstances, cut or remove the third
(ground) prong from the power cord plug.
• DO NOT use an adapter plug or extension cord.
• DO NOT use a damaged power cord, plug, or wall outlet.
Replace them immediately.
• DO NOT change the internal wiring or any part of the
system.
• DO NOT turn the air conditioner on and off by plugging and
unplugging. Use the Operation switch.
When Transporting
Be careful when picking up and moving the air conditioner.
Get a partner to help, and bend your knees when lifting to
reduce strain on your back. Sharp edges or thin aluminum
fins on the air conditioner can cut your fingers.
When Installing
Place of Installation
• If possible, install the unit in a shady location.
• Install it at a spot where optimum air circulation can be
obtained. No chairs or other obstructions are allowed in
front of the air conditioner.
• Keep enough space from any outside obstruction (wall,
bush, etc.).
• As a safety measure, it is recommended that two people
install the unit.
• Hold the unit securely, and be careful not to drop any parts
if the air conditioner is being installed on an upper floor of a
multistory building.
When Servicing
• Turn the power OFF at the main power box (mains) before
opening the unit to check or repair electrical parts and
wiring.
• Keep fingers and clothing away from any moving parts.
• Clean up the site after you finish, remembering to check
that no metal scraps or bits of tools have been left inside
the unit being serviced.
Others
• Ventilate any enclosed areas when installing or testing the
refrigeration system. Escaped refrigerant gas, on contact
with fire or heat, can produce dangerously toxic gas.
• Confirm upon completing installation that no refrigerant gas
is leaking. If escaped gas comes in contact with a stove,
gas water heater, electric room heater or other heat source,
it can produce dangerously toxic gas.
CAUTION
Dimension of
Wall Opening
Wall opening of
42-1/4" x 16-1/4"
is required
Be sure to use header
to support the block
and brick above the
sleeve to retain the
weight of the unit
Minimum Wall Sleeve Opening
Trim
molding
(if desired)
Minimum
3" from
the floor
Caulk
(4sides)
OutsideRoom side 13
3
/
4
"
16
3
/
4
"
42
1
/
4
"
16"
Box and receptacle
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WARNING
CAUTION
WARNING
i
ii
HOW TO USE THIS MANUAL
This manual is designed to help service personnel to understand basic functions, operation and possible problems
and their remedies on SANYO Packaged Terminal Air Conditioner. You can use this manual both as a reference to
find specific information about the capacity and construction of the unit, and as a source of information to help you
set up and maintain the air conditioner. Please use this manual to make your work easier, keep the air conditioner
functioning well, and keep your customer satisfied.
Please read IMPORTANT! precaution information on the previous page before you start actual work.
SANYO PACKAGED TERMINAL A/C MODEL IDENTIFICATION
SANYO Packaged Terminal Air Conditioner is identified by a model number. Cooling or heating capacity, electrical
information and special features included on the air conditioner are indicated in the model number.
SANYO Package Terminal A/C Development
Nominal Cooling Capacity Unit Type
06: 6,000BTU 12: 12,000BTU C: Cooling Only W/E. Heater
09: 9,000BTU 15: 15,000BTU H: Heat Pump W/E. Heater
Voltage Heater size
2: 230/208 V Refer to the table below
3: 265 V
Heater 230 / 208 V Models
Designator Heater Amp Watts Min. Amp BTU/h
211.1 / 10.4 2,550 / 2,090 15 8,600 / 7,100
315.5 / 14.0 3,450 / 2,820 20 11,700 / 9,600
522.4 / 20.2 5,000 / 4,090 30 17,000 / 13,900
265 V Models
Heater Amp Watts Min. Amp BTU/h
311.4 3,000 15 10,200
415.2 4,000 20 13,600
519.0 5,000 30 17,000
#
STW 06 2 * C 2
Example
NOTE
To identifythecorrect model number of your air conditioner, locatethenameplate.
Thenameplate is usually located above the electric component box (behind the grille).
Remove the grille to access the electriccomponentbox.
iii
Table of Contents Page
1. OPERATING RANGE ............................................................................................................................... 1
2. SPECIFICATIONS
2-1. Unit Specifications.......................................................................................................................... 2
2-2. Major Component Specifications ................................................................................................... 6
2-3. Other Component Specifications.................................................................................................... 10
3. DIMENSIONAL DATA............................................................................................................................... 11
4. REFRIGERANT FLOW DIAGRAM .......................................................................................................... 12
5. PERFORMANCE DATA
5-1. Cooling Capacity ........................................................................................................................... 13
5-2. Heating Capacity (Heat Pump Performance) ................................................................................ 29
6. ELECTRICAL DATA
6-1. Electrical Characteristics ............................................................................................................... 30
6-2. Electrical Wiring Diagrams ............................................................................................................ 34
6-3. Electrical Parts Layout ................................................................................................................... 38
6-4. P.C.B. Ass'y (Printed Pattern)........................................................................................................ 39
7. TROUBLESHOOTING
7-1. Check before and after troubleshooting ........................................................................................ 40
7-2. Air conditioner does not operate .................................................................................................... 41
7-3. Some part of air conditioner does not operate .............................................................................. 43
7-4. Air conditioner operates, but abnormalities are observed ............................................................. 45
7-5. If a sensor is defective ................................................................................................................... 46
8. CHECKING ELECTRICAL COMPONENTS
8-1. Measurement of Insulation Resistance .......................................................................................... 47
8-2. Checking Motor Capacitor.............................................................................................................. 48
8-3. Checking Fan Motor Winding......................................................................................................... 48
8-4. Checking Compressor Motor Winding............................................................................................ 48
8-5. Checking Thermistor ...................................................................................................................... 48
9. DISASSEMBLY PROCEDURE
9-1. Removing Front Grille..................................................................................................................... 49
9-2. Removing Wall Sleeve ................................................................................................................... 49
9-3. Removing Electrical Junction Box.................................................................................................. 49
9-4. Removing Electric Heater............................................................................................................... 50
9-5. Removing Indoor Fan..................................................................................................................... 51
9-6. Removing Indoor Fan Motor........................................................................................................... 52
9-7. Removing Evaporator..................................................................................................................... 52
9-8. Removing Condenser..................................................................................................................... 53
9-9. Removing Propeller Fan................................................................................................................. 54
9-10. Removing Outdoor Fan Motor........................................................................................................ 54
10. FUNCTION
10-1. Room temperature Control ............................................................................................................ 55
10-2. Freeze Prevention ......................................................................................................................... 57
10-3. Freeze Protection .......................................................................................................................... 57
10-4. Defrosting Operation (Heating)....................................................................................................... 58
.................................................................................................................................................. 59
APPENDIX
1. OPERATING RANGE
1
Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp.
Cooling Maximum 95°F D.B. / 71°F W.B. 115°F D.B.
Minimum 67°F D.B. / 57°F W.B. 67°F D.B.
Heating Maximum 80°F D.B. / 67°F W.B.
Minimum — D.B. / — W.B.
■HEAT PUMP MODEL
Model STW * * * * H2
Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp.
Cooling Maximum 95°F D.B. / 71°F W.B. 115°F D.B.
Minimum 67°F D.B. / 57°F W.B. 67°F D.B.
Heating Maximum 80°F D.B. / 67°F W.B. 75°F D.B. / 65°F W.B.
Minimum — D.B. / — W.B. 17°F D.B. / 15°F W.B.
■COOLING & ELECTRIC HEATING MODEL
Models STW * * * * C2
2
2. SPECIFICATIONS
2-1. Unit Specifications
2-1-1. Cooling & Electric Heating Type (230/208 V)
Model Number
Heater class 2.55 kW STW0622C2 STW0922C2 STW1222C2 STW1522C2
3.45 kW STW0623C2 STW0923C2 STW1223C2 STW1523C2
5.00 kW STW0925C2 STW1225C2 STW1525C2
Voltage (V) 230 / 208
Performance COOLING & ELECTRIC HEATING
Cooling capacity BTU/h 7,100 / 7,000 9,100 / 8,900 12,000 / 11,900 14,200 / 14,000
(kW) (2.08 / 2.05) (2.67 / 2.61) (3.52 / 3.28) (4.16 / 4.1)
Air flow....Hi CFM 315 / 285 315 / 285 410 / 370 410 / 370
(CMH) (535 / 484) (535 / 484) (697 / 629) (697 / 629)
Dehumidification Pints/h 1.8 2.3 2.8 3.8
Electrical Rating
Available voltage range V253 to 187
Cooling Amperes A2.7 / 2.9 3.5 / 3.8 4.9 / 5.4 6.9 / 7.2
Watts W610 / 600 800 / 780 1,100 / 1,090 1,490 / 1,460
Power factor %98 / 99 99 / 98 98 / 97 94 / 97
EER BTU/hW 11.6 / 11.6 11.4 / 11.4 10.9 / 10.9 9.5 / 9.6
Starting amperes A17 22 29 41
Features
Controls / Temperature control Mechanical / Themostat
Control unit
Timer
Fan speeds 2
Airflow direction (Indoor) Horizontal Manual
Vertical
Air filter Washable
Air exhaust Yes
Compressor Rotary (Hermetic)
R22-Amount charged at shipment OZ 26.8 30.0 32.1 33.5
Refrigerant control Capillary Tube
Operation sound Indoor: Hi / Lo dB-A 44 / 42 47 / 45
Outdoor dB-A 60 61
Dimensions & Weight
Unit dimensions Height In 15-15/16
(Refer to page 11) Width In 41-1/8
Depth In 21-1/2
Package dimensions Height In 18-3/16
Width In 44-7/8
Depth In 24-7/8
Weight Net lbs 95 105
Shipping lbs 110 120
Shipping volume Cu Ft 11.7
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Electric Heating Specifications
Electric Heating
Model number STW0622C2 STW0623C2
STW0922C2 STW0923C2 STW0925C2
STW1222C2 STW1223C2 STW1225C2
STW1522C2 STW1523C2 STW1525C2
Heater class kW 2.55 3.45 5.00
Capacity BTU/h 8,600 / 7,100 11,700 / 9,600 17,000 / 13,900
Electrical rating Amperes A 11.1 / 10.4 15.5 / 14.0 22.4 / 20.2
Watts W 2,550 / 2,090 3,450 / 2,820 5,000 / 4,090
Recommended circuit protection A 15 20 30
Cord plug and wall outlet Tandem Perpendicular Large Tandem
230/208 V 15AMP 230/208 V 20AMP 230/208 V 30AMP
3
2-1-2. Cooling & Electric Heating Type (265 V)
Model Number
Heater class 3.00 kW STW0633C2 STW0933C2 STW1233C2
4.00 kW STW0634C2 STW0934C2 STW1234C2 STW1534C2
5.00 kW STW1235C2 STW1535C2
Voltage (V) 265
Performance COOLING & ELECTRIC HEATING
Cooling capacity BTU/h 7,100 9,100 12,000 14,200
(kW) (2.08) (2.67) (3.52) (4.16)
Air flow....Hi CFM 315 315 410 410
(CMH) (535) (535) (697) (697)
Dehumidification Pints/h 1.8 2.3 2.8 3.8
Electrical Rating
Available voltage range V239 to 291
Cooling Amperes A2.4 3.1 4.2 5.8
Watts W610 800 1,100 1,490
Power factor %96 97 99 97
EER BTU/hW 11.6 11.4 10.9 9.5
Starting amperes A13 15 24 31
Features
Controls / Temperature control Mechanical / Themostat
Control unit
Timer
Fan speeds 2
Airflow direction (Indoor) Horizontal Manual
Vertical
Air filter Washable
Air exhaust Yes
Compressor Rotary (Hermetic)
R22-Amount charged at shipment OZ 26.8 30.0 32.1 33.5
Refrigerant control Capillary Tube
Operation sound Indoor: Hi / Lo dB-A 44 / 42 47 / 42
Outdoor dB-A 60 61
Dimensions & Weight
Unit dimensions Height In 15-15/16
(Refer to page 11) Width In 41-1/8
Depth In 21-1/2
Package dimensions Height In 18-3/16
Width In 44-7/8
Depth In 24-7/8
Weight Net lbs 95 105
Shipping lbs 110 120
Shipping volume Cu Ft 11.7
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Electric Heating Specifications
Electric Heating
Model number STW0633C2 STW0634C2
STW0933C2 STW0934C2
STW1233C2 STW1234C2 STW1235C2
STW1534C2 STW1535C2
Heater class kW 3.00 4.00 5.00
Capacity BTU/h 10,200 13,600 17,000
Electrical rating Amperes A 11.4 15.2 19.0
Watts W 3,000 4,000 5,000
Recommended circuit protection A 15 20 30
4
2-1-3. Heat Pump Type (230/208 V)
Model Number
Heater class 2.55 kW STW0622H2 STW0922H2 STW1222H2 STW1522H2
3.45 kW STW0623H2 STW0923H2 STW1223H2 STW1523H2
5.00 kW STW0925H2 STW1225H2 STW1525H2
Voltage (V) 230 / 208
Performance HEAT PUMP
Cooling capacity BTU/h 7,100 / 7,000 9,000 / 8,800 12,000 / 11,800 14,000 / 13,800
(kW) (2.08 / 2.05) (2.64 / 2.58) (3.52 / 3.46) (4.1 / 4.04)
Heat pump capaciity BTU/h 6,400 / 6,200 8,100 / 8,000 10,800 / 10,600 13,300 / 13,200
(kW) (1.88 / 1.82) (2.37 / 2.34) (3.16 / 3.11) (3.9 3.87)
Air Flow....Hi CFM 315 / 285 315 / 285 410 / 370 410 / 370
(CMH) (535 / 484) (535 / 484) (697 / 629) (697 / 629)
Dehumidification Pints/h 2.3 2.8 3.8 3.8
Electrical Rating
Available voltage range V253 to 187
Cooling Amperes A2.7 / 2.9 3.5 / 3.8 4.9 / 5.3 6.6 / 7.2
Watts W610 / 600 790 / 770 1,100 / 1,080 1,490 / 1,470
Power factor %98 / 99 98 / 97 98 / 98 98 / 98
EER BTU/hW 11.6 / 11.6 11.4 / 11.4 10.9 / 10.9 9.4 / 9.4
Starting amperes A17 22 29 41
Heat pump Amperes A2.5 / 2.7 3.3 / 3.6 4.5 / 4.9 6.0 / 6.6
Watts W570 / 550 740 / 730 1,020 / 1,000 1,350 / 1,340
COP W/W 3.3 / 3.3 3.2 / 3.2 3.1 / 3.1 2.9 / 2.9
Features
Controls / Temperature control Mechanical / Themostat
Control unit
Timer
Fan speeds 2
Airflow direction (Indoor) Horizontal Manual
Vertical
Air filter Washable
Air exhaust Yes
Compressor Rotary (Hermetic)
R22-Amount charged at shipment OZ 26.8 30.0 32.1 33.5
Refrigerant control Capillary Tube
Operation sound Indoor : Hi / Lo dB-A 44 / 42 47 / 45
Outdoor dB-A 60 61
Dimensions & Weight
Unit dimensions Height In 15-15/16
(Refer to page 11) Width In 41-1/8
Depth In 21-1/2
Package dimensions Height In 18-3/16
Width In 44-7/8
Depth In 24-7/8
Weight Net lbs 95 100 110 110
Shipping lbs 110 115 125 125
Shipping volume Cu Ft 11.7
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Electric Heating Specifications
Electric Heating
Model number STW0622C2 STW0623C2
STW0922C2 STW0923C2 STW0925C2
STW1222C2 STW1223C2 STW1225C2
STW1522C2 STW1523C2 STW1525C2
Heater class kW 2.55 3.45 5.00
Capacity BTU/h 8,600 / 7,100 11,700 / 9,600 17,000 / 13,900
Electrical rating Amperes A 11.1 / 10.4 15.5 / 14.0 22.4 / 20.2
Watts W 2,550 / 2,090 3,450 / 2,820 5,000 / 4,090
Recommended circuit protection A 15 20 30
Cord plug and wall outlet Tandem Perpendicular Large Tandem
230/208 V 15AMP 230/208 V 20AMP 230/208 V 30AMP
5
2-1-4. Heat Pump Type (265 V)
Model Number
Heater class 3.00 kW STW0633H2 STW0933H2 STW1233H2
4.00 kW STW0634H2 STW0934H2 STW1234H2 STW1534H2
5.00 kW STW1235H2 STW1535H2
Voltage (V) 265
Performance HEAT PUMP
Cooling capacity BTU/h 7,100 9,000 12,000 14,000
(kW) (2.08) (2.64) (3.52) (4.1)
Heat pump capaciity BTU/h 6,400 8,100 10,800 13,300
(kW) (1.88) (2.37) (3.16) (3.9)
Air Flow....Hi CFM 315 315 410 410
(CMH) (535) (535) (697) (697)
Dehumidification Pints/h 2.3 2.8 3.8 3.8
Electrical Rating
Available voltage range V239 to 291
Cooling Amperes A2.4 3.0 4.2 5.7
Watts W610 790 1,100 1,490
Power factor %96 99 99 99
EER BTU/hW 11.6 11.4 10.9 9.4
Starting amperes A13 15 24 31
Heat pump Amperes A2.2 2.9 3.9 5.2
Watts W570 740 1,020 1,350
COP W/W 3.3 3.2 3.1 2.9
Features
Controls / Temperature control Mechanical / Themostat
Control unit
Timer
Fan speeds 2
Airflow direction (Indoor) Horizontal Manual
Vertical
Air filter Washable
Air exhaust Yes
Compressor Rotary (Hermetic)
R22-Amount charged at shipment OZ 26.8 30.0 32.1 33.5
Refrigerant control Capillary Tube
Operation sound Indoor : Hi / Lo dB-A 44 / 42 47 / 45
Outdoor dB-A 60 61
Dimensions & Weight
Unit dimensions Height In 15-15/16
(Refer to page 11) Width In 41-1/8
Depth In 21-1/2
Package dimensions Height In 18-3/16
Width In 44-7/8
Depth In 24-7/8
Weight Net lbs 95 100 110 110
Shipping lbs 110 115 125 125
Shipping volume Cu Ft 11.7
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Electric Heating Specifications
Electric Heating
Model number STW0633C2 STW0634C2
STW0933C2 STW0934C2
STW1233C2 STW1234C2 STW1235C2
STW1534C2 STW1535C2
Heater class kW 3.00 4.00 5.00
Capacity BTU/h 10,200 13,600 17,000
Electrical rating Amperes A 11.4 15.2 19.0
Watts W 3,000 4,000 5,000
Recommended circuit protection A 15 20 30
6
2-2. Major Component Specifications
2-2-1. Cooling & Electric Heating Type (230/208 V)
Model Number STW0622C2 STW0922C2 STW1222C2 STW1522C2
STW0623C2 STW0923C2 STW1223C2 STW1523C2
STW0925C2 STW1225C2 STW1525C2
Controller PCB
Part No. 851-0-5173-120-00
Controls POW-STW2C
Compressor
Type Rotary (Hermetic)
Compressor model C-1R45H6Q C-1R65H6R C-R85H6P C-R112H6Y
( Parts code No. ) 80646946-S 80665346-S 80685246-S 80614846-S
Source 230-208 V 1-phase 60Hz
Nominal output W 450 650 850 1075
Compressor oil ... Amount cc SUNISO 4GSD-T....320 SUNISO 4GSD-T....320 SUNISO 4GSD-T....450 SUNISO 4GSD-T....450
Coil resistance (at 77°F) ΩC-R: 4.44 C-R: 3.59 C-R: 2.122 C-R: 1.532
C-S: 5.63 C-S: 3.55 C-S: 3.63 C-S: 3.726
Safety device Type External protector
Overload relay MRA99094-9201 MRA99082-9201 MRA99079-9201 MRA99133-9200
Operating temp. Open °F
302± 9 293± 9 293± 9 320± 9
Close °F
156± 20 156± 20 156± 20 156± 20
Operating amp. (at 77°F)
Trip in 6 to 16 sec. at 15A Trip in 6 to 16 sec. at 16.5A Trip in 6 to 16 sec. at 20A Trip in 6 to 16 sec. at 26.5A
Run capacitor 17.5MF, 400VAC 25MF, 400VAC 25MF, 400VAC 25MF, 400VAC
Fan & Fan Motor
Fan type
Indoor (Dia./Length)
In Cross-flow (Dia: 3-15/16 / Length: 26-13/16)
Outdoor (Dia./Depth) In Propeller (Dia: 13-15/16 / Depth: 3-15/16)
Fan motor model Indoor / Outdoor UF4S-11A6P-S UE6-41C6P-S UF4S-21C6P-S UE6-51B6P-S
Source 230-208 V 1-phase 60Hz
Rpm, High (230V) Indoor / Outdoor 1,174 1,065 1,477 1,101
(208V) 1,051 1,021 1,402 1,076
Nominal output (W) Indoor / Outdoor 10
40 20 40
Coil resistance (at 68°F) ΩBRN-WHT: 545.9 BRN-WHT: 117.4 BRN-WHT: 283.6 BRN-WHT: 103.4
Indoor / Outdoor WHT-YEL: 118.1 WHT-PNK: 221.4 WHT-YEL: 101.2 WHT-PNK: 245.5
YEL-PNK: 471.1 YEL-PNK: 259.3
Safety device Type Thermal protector
Operating temp. °F
Open: 266± 14 Close: 174± 27
Run capacitor Indoor / Outdoor 0.6MF, 440VAC 1.5MF, 440VAC 1.0MF, 440VAC 1.5MF, 440VAC
Heat Exch. Coil
Evaporator Coil Aluminum plate fin / Copper tube
Rows 2
Fins per inch 18
Face area
ft21.87
Condenser Coil Aluminum plate fin / Copper tube
Rows 2
Fins per inch 18
Face area
ft22.45
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
7
2-2-2. Cooling & Electric Heating Type (265 V)
Model Number STW0633C2 STW0933C2 STW1233C2
STW0634C2 STW0934C2 STW1234C2 STW1534C2
STW1235C2 STW1535C2
Controller PCB
Part No. 851-0-5173-174-00
Controls POW-STW2C3
Compressor
Type Rotary (Hermetic)
Compressor model C-1R45H9Q C-1R65H9R C-R85H9P C-R112H9Y
( Parts code No. ) 80646949-S 80665349-S 80685249-S 80614849-S
Source 265 V 1-phase 60Hz
Nominal output W 450 650 850 1075
Compressor oil ... Amount cc SUNISO 4GSD-T....320 SUNISO 4GSD-T....320 SUNISO 4GSD-T....450 SUNISO 4GSD-T....450
Coil resistance (at 77°F) ΩC-R: 6.32 C-R: 5.66 C-R: 2.785 C-R: 2.274
C-S: 4.46 C-S: 3.12 C-S: 3.076 C-S: 3.478
Safety device Type External protector
Overload relay MRA99059-9201 MRA99140-9201 MRA99134-9201 MRA99038-9201
Operating temp. Open °F
293± 9 293± 9 293± 9 293± 9
Close °F
156± 20 156± 20 156± 20 156± 20
Operating amp. (at 77°F)
Trip in 6 to 16 sec. at 13A Trip in 6 to 16 sec. at 15A Trip in 6 to 16 sec. at 16.5A Trip in 6 to 16 sec. at 24A
Run capacitor 17.5MF, 400VAC 25MF, 400VAC 25MF, 400VAC 25MF, 400VAC
Fan & Fan Motor
Fan type
Indoor (Dia./Length)
In Cross-flow (Dia: 3-15/16 / Length: 26-13/16)
Outdoor (Dia./Depth) In Propeller (Dia: 13-15/16 / Depth: 3-15/16)
Fan motor model Indoor / Outdoor UF4S-11A7P-S UE6-41C7P-S UF4S-21C7P-S UE6-41C6P-S
Source 265 V 1-phase 60Hz
Rpm, High Indoor / Outdoor 1,163 1,061 1,427 1,099
Nominal output (W) Indoor / Outdoor 10
40 20 40
Coil resistance (at 68°F) ΩBRN-WHT: 897.7 BRN-WHT: 153.5 BRN-WHT: 361.5 BRN-WHT: 117.4
Indoor / Outdoor WHT-YEL: 217.6 WHT-PNK: 312.9 WHT-YEL: 146.9 WHT-PNK: 221.4
YEL-PNK: 521.8 YEL-PNK: 329.7
Safety device Type Thermal protector
Operating temp. °F
Open: 266± 14 Close: 174± 27
Run capacitor Indoor / Outdoor 0.6MF, 440VAC 1.0MF, 440VAC 0.8MF, 440VAC 1.5MF, 440VAC
Heat Exch. Coil
Evaporator Coil Aluminum plate fin / Copper tube
Rows 2
Fins per inch 18
Face area
ft21.87
Condenser Coil Aluminum plate fin / Copper tube
Rows 2
Fins per inch 18
Face area
ft22.45
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
8
2-2-3. Heat Pump Type (230/208 V)
Model Number STW0622H2 STW0922H2 STW1222H2 STW1522H2
STW0623H2 STW0923H2 STW1223H2 STW1523H2
STW0925H2 STW1225H2 STW1525H2
Controller PCB
Part No. 851-0-5173-089-00
Controls POW-STW2H
Compressor
Type Rotary (Hermetic)
Compressor model C-1R45H6Q C-1R65H6R C-R85H6P C-R112H6Y
( Parts code No. ) 80646946-S 80665346-S 80685246-S 80614846-S
Source 230-208 V 1-phase 60Hz
Nominal output W 450 650 850 1075
Compressor oil ... Amount cc SUNISO 4GSD-T....320 SUNISO 4GSD-T....320 SUNISO 4GSD-T....450 SUNISO 4GSD-T....450
Coil resistance (at 77°F) ΩC-R: 4.44 C-R: 3.59 C-R: 2.122 C-R: 1.532
C-S: 5.63 C-S: 3.55 C-S: 3.63 C-S: 3.726
Safety device Type External protector
Overload relay MRA99094-9201 MRA99082-9201 MRA99079-9201 MRA99133-9200
Operating temp. Open
°F
302± 9 293± 9 293± 9 320± 9
Close °F
156± 20 156± 20 156± 20 156± 20
Operating amp. (at 77°F)
Trip in 6 to 16 sec. at 15A Trip in 6 to 16 sec. at 16.5A Trip in 6 to 16 sec. at 20A Trip in 6 to 16 sec. at 26.5A
Run capacitor 17.5MF, 400VAC 25MF, 400VAC 25MF, 400VAC 25MF, 400VAC
Fan & Fan Motor
Fan type
Indoor (Dia./Length)
In Cross-flow (Dia:3-15/16 / Length:26-13/16)
Outdoor (Dia./Depth) In Propeller (Dia: 13-15/16 / Depth: 3-15/16)
Fan motor model Indoor / Outdoor UF4S-11A6P-S UE6-41C6P-S UF4S-21C6P-S UE6-51B6P-S
Source 230-208 V 1-phase 60Hz
Rpm, High (230V) Indoor / Outdoor 1,174 1,065 1,477 1,101
(208V) 1,051 1,021 1,402 1,076
Nominal output (W) Indoor / Outdoor 10
40 20 40
Coil resistance (at 68°F) ΩBRN-WHT: 545.9 BRN-WHT: 117.4 BRN-WHT: 283.6 BRN-WHT: 103.4
Indoor / Outdoor WHT-YEL: 118.1 WHT-PNK: 221.4 WHT-YEL: 101.2 WHT-PNK: 245.5
YEL-PNK: 471.1 YEL-PNK: 259.3
Safety device Type Thermal protector
Operating temp. °F
Open: 266± 14 Close: 174± 27
Run capacitor Indoor / Outdoor 0.6MF, 440VAC 1.5MF, 440VAC 1.0MF, 440VAC 1.5MF, 440VAC
Heat Exch. Coil
Evaporator Coil Aluminum plate fin / Copper tube
Rows 2
Fins per inch 18
Face area
ft21.87
Condenser Coil Aluminum plate fin / Copper tube
Rows 2
Fins per inch 18
Face area
ft22.45
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
9
2-2-4. Heat Pump Type (265 V)
Model Number STW0633H2 STW0933H2 STW1233H2
STW0634H2 STW0934H2 STW1234H2 STW1534H2
STW1235H2 STW1535H2
Controller PCB
Part No. 851-0-5173-175-00
Controls POW-STW2H3
Compressor
Type Rotary (Hermetic)
Compressor model C-1R45H9Q C-1R65H9R C-R85H9P C-R112H9Y
( Parts code No. ) 80646949-S 80665349-S 80685249-S 80614849-S
Source 265 V 1-phase 60Hz
Nominal output W 450 650 850 1075
Compressor oil ... Amount cc SUNISO 4GSD-T....320 SUNISO 4GSD-T....320 SUNISO 4GSD-T....450 SUNISO 4GSD-T....450
Coil resistance (at 77°F) ΩC-R: 6.32 C-R: 5.66 C-R: 2.785 C-R: 2.274
C-S: 4.46 C-S: 3.12 C-S: 3.076 C-S: 3.478
Safety device Type External protector
Overload relay MRA99059-9201 MRA99140-9201 MRA99134-9201 MRA99038-9201
Operating temp. Open ° F
293± 9 293± 9 293± 9 293± 9
Close °F
156± 20 156± 20 156± 20 156± 20
Operating amp. (at 77 °F)
Trip in 6 to 16 sec. at 13A Trip in 6 to 16 sec. at 15A Trip in 6 to 16 sec. at 16.5A Trip in 6 to 16 sec. at 24A
Run capacitor 17.5MF, 400VAC 25MF, 400VAC 25MF, 400VAC 25MF, 400VAC
Fan & Fan Motor
Fan type
Indoor (Dia./Length)
In Cross-flow (Dia:3-15/16 / Length:26-13/16)
Outdoor (Dia./Depth) In Propeller (Dia: 13-15/16 / Depth: 3-15/16)
Fan motor model Indoor / Outdoor UF4S-11A7P-S UE6-41C7P-S UF4S-21C7P-S UE6-41C6P-S
Source 265 V 1-phase 60Hz
Rpm, High Indoor / Outdoor 1,163 1,061 1,427 1,099
Nominal output (W) Indoor / Outdoor 10
40 20 40
Coil resistance (at 68°F) ΩBRN-WHT: 897.7 BRN-WHT: 153.5 BRN-WHT: 361.5 BRN-WHT: 117.4
Indoor / Outdoor WHT-YEL: 217.6 WHT-PNK: 312.9 WHT-YEL: 146.9 WHT-PNK: 221.4
YEL-PNK: 521.8 YEL-PNK: 329.7
Safety device Type Thermal protector
Operating temp. °F
Open: 266 ± 14 Close: 174± 27
Run capacitor Indoor / Outdoor 0.6MF, 440VAC 1.0MF, 440VAC 0.8MF, 440VAC 1.5MF, 440VAC
Heat Exch. Coil
Evaporator Coil Aluminum plate fin / Copper tube
Rows 2
Fins per inch 18
Face area
ft21.87
Condenser Coil Aluminum plate fin / Copper tube
Rows 2
Fins per inch 18
Face area
ft22.45
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
10
2-3. Other Component Specifications
Models STW * * * * C2
Models STW * * * * H2
Electric Heater Ass'y (230/208 V) AH-T22 AH-T23 AH-T25
Model STW0622C2 STW0622C2 STW0623C2 STW0623H2
STW0922C2 STW0922H2 STW0923C2 STW0923H2 STW0925C2 STW0925H2
STW1222C2 STW1222H2 STW1223C2 STW1223H2 STW1225C2 STW1225H2
STW1522C2 STW1522H2 STW1523C2 STW1523H2 STW1525C2 STW1525H2
Heater element Rating (230 V) 2.55kw, 11.1A 3.45kW, 15.5A 5.00kW, 22.4A
(208 V) 2.09kw, 10.4A 2.82kW, 14.0A 4.09kW, 20.2A
Resistance Ω
18.86± 5% (at 68°F) 13.94± 5% (at 68°F) 19.24± 5% (at 68°F)
Watt density
w/in237.8 33.4 36.4
Wire diameter In. Dia. 0.040 Dia. 0.051 Dia. 0.040
Straight length of wire Ft. Length 45.9 Length 53.8 Length 46.8
Heater thermo. Type 08-1866-00 08-2888-00 60TX01 08-2399-00 60TX01
(Thermal limit.) Operating temp. °F Open: 115 / Close: 95 Open: 125 / Close: 95 Open: 136 / Close: 105
Heater fuse Type 08-2429-072 08-2429-077 G5AM 08-2565-00 60FX04
Operating temp. °F Open: 162
Open:170 Open: 170
Electric Heater Ass'y (265 V) AH-T33 AH-T34 AH-T35
Model STW0633C2 STW0633H2 STW0634C2 STW0634H2
STW0933C2 STW0933H2 STW0934C2 STW0934H2 STW0935C2 STW0935H2
STW1233C2 STW1233H2 STW1234C2 STW1234H2 STW1235C2 STW1235H2
STW1534C2 STW1534H2 STW1535C2 STW1535H2
Heater element Rating (265 V) 3.00kw , 11.4A 4.00kW , 15.2A 5.00kW , 19.0A
Resistance Ω
21.28± 5% (at 68°F) 15.96± 5% (at 68°F) 25.54± 5% (at 68°F)
Watt density
w/in239.4 40.6 27.4
Wire diameter In. Dia. 0.040 Dia. 0.048 Dia. 0.040
Straight length of wire Ft. Length 51.8 Length 54.7 Length 62.1
Heater thermo. Type 08-2110-00 08-2874-00 08-1866-00
(Thermal limit.) Operating temp. °F Open: 120 / Close: 90 Open: 135 / Close: 105 Open: 115 / Close: 85
Heater fuse Type 08-2873-00 08-1970-00 08-2867-00
Operating temp. °F Open: 160 Open: 170 Open: 160
Room Thermistor DTNTKS130B
Model Cooling & Heat Pump models
Resistance at 32°F kΩ15±2%
Thermistor (Indoor coil) DTNTKS131B
Model Cooling & Heat Pump models
Resistance at 32°F kΩ15±2%
Thermistor (Outdoor coil) DTNTKS133B
Model Heat Pump models
Resistance at 32°F kΩ15±2%
Solenoid coil (for 4-way valve) STF-01AQ503UA1 STF-01AK501UA1
Model STW0622H2 / 0623H2 STW0633H2 / 0634H2
STW0922H2 / 0923H2 / 925H2 STW0933H2 / 0934H2
STW1222H2 / 1223H2 / 1225H2 STW1233H2 / 1234H2 / 1235H2
STW1522H2 / 1523H2 / 1525H2 STW1534H2 / 1535H2
Coil rating AC230/208V (60Hz), 6W AC265V (60Hz), 6W
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
11
3. DIMENSIONAL DATA
Models STW * * * * C2
Models STW * * * * H2
■Wall Sleeve Dimensions ■Dimensions of Wall Opening
■Unit Dimensions
Minimum wall
sleeve opening
Wall opening of
42-1/4
"
x 16-1/4
"
is required
41-1/8
"
15-15/16
"
7-1/2
"
21-1/2
"
Top view
Front view Side view
42
1
/
4
"
16
1
/
4
"
13-
3
/
4
"
42"
16"
Unit: inch
Unit: inch
4. REFRIGERANT FLOW DIAGRAM
Compressor
4-way
valve
Accumulator
Outdoor heat
exchanger
Indoor heat
exchanger
Cooling cycle
Heating cycle
Capillary
tube
Heat Pump Models
Models STW * * * * H2
Compressor
Accumulator
Condenser
Evaporator
Capillary
tube
Cooling & Electric Heating Models
Models STW * * * * C2
12
13
5. PERFORMANCE DATA
5-1. Cooling Capacity
230 V Single-phase 60 Hz
Model STW0622C2 / STW0623C2
Cooling & Electric Heating Models
y
RATING CAPACITY: 7,100 BTU/h AIR FLOW RATE: 315 CFM
EVAPORATOR CONDENSER
ENT. TEMP. °F (°C) AMBIENT TEMP. °F (°C)
W.B. D.B. 75 85 95 105 115
(23.9) (29.4) (35.0) (40.6) (46.1)
TC 7,190 6,840 6,450 6,000 5,500
CI 0.41 0.45 0.49 0.55 0.61
72 (22.2) SHC 6,220 6,060 5,880 5,690 5,470
59 76 (24.4) SHC 7,190 6,840 6,450 6,000 5,500
(15.0) 80 (26.7) SHC 7,190 6,840 6,450 6,000 5,500
84 (28.9) SHC 7,190 6,840 6,450 6,000 5,500
88 (31.1) SHC 7,190 6,840 6,450 6,000 5,500
TC 7,460 7,130 6,770 6,370 5,930
CI 0.41 0.45 0.5 0.56 0.62
72 (22.2) SHC 5,050 4,910 4,760 4,600 4,430
63 76 (24.4) SHC 6,070 5,930 5,790 5,630 5,450
(17.2) 80 (26.7) SHC 7,140 7,000 6,770 6,370 5,930
84 (28.9) SHC 7,460 7,130 6,770 6,370 5,930
88 (31.1) SHC 7,460 7,130 6,770 6,370 5,930
TC 7,750 7,440 # 7,100 6,720 6,310
CI 0.42 0.46 0.5 0.57 0.63
72 (22.2) SHC 3,880 3,760 3,630 3,490 3,340
67 76 (24.4) SHC 4,900 4,780 4,660 4,520 4,370
(19.4) 80 (26.7) SHC 5,970 5,850 5,730 5,590 5,440
84 (28.9) SHC 6,990 6,880 6,750 6,610 6,310
88 (31.1) SHC 7,750 7,440 7,100 6,720 6,310
TC 8,160 7,870 7,570 7,230 6,870
CI 0.42 0.46 0.51 0.57 0.64
72 (22.2) SHC 2,690 2,590 2,490 2,370 2,250
71 76 (24.4) SHC 3,720 3,620 3,510 3,400 3,280
(21.7) 80 (26.7) SHC 4,790 4,690 4,580 4,470 4,350
84 (28.9) SHC 5,810 5,710 5,610 5,490 5,370
88 (31.1) SHC 6,830 6,730 6,630 6,520 6,390
TC 8,320 8,050 7,770 7,440 7,090
CI 0.43 0.47 0.52 0.58 0.65
75 76 (24.4) SHC 2,490 2,400 2,320 2,220 2,110
(23.9) 80 (26.7) SHC 3,560 3,470 3,390 3,290 3,180
84 (28.9) SHC 4,580 4,500 4,410 4,310 4,210
88 (31.1) SHC 5,610 5,520 5,440 5,330 5,230
TC : Total Cooling Capacity (BTU/h)
SHC: Sensible Heat Capacity (BTU/h)
CI : Compressor Input (kW)
Rating conditions are M.R.= 1.25 US pints/h
: Outdoor Ambient Temp. 95°FDB
: Indoor Unit Entering Air Temp. 80°F DB / 67°F WB
14
230 V Single-phase 60 Hz
Model STW0922C2 / STW0923C2 / STW0925C2
Cooling & Electric Heating Models
y
RATING CAPACITY: 9,100 BTU/h AIR FLOW RATE: 315 CFM
EVAPORATOR CONDENSER
ENT. TEMP. °F (°C) AMBIENT TEMP. °F (°C)
W.B. D.B. 75 85 95 105 115
(23.9) (29.4) (35.0) (40.6) (46.1)
TC 9,220 8,770 8,260 7,690 7,050
CI 0.55 0.6 0.65 0.75 0.85
72 (22.2) SHC 7,160 6,950 6,710 6,440 6,150
59 76 (24.4) SHC 8,190 7,970 7,730 7,470 7,050
(15.0) 80 (26.7) SHC 9,220 8,770 8,260 7,690 7,050
84 (28.9) SHC 9,220 8,770 8,260 7,690 7,050
88 (31.1) SHC 9,220 8,770 8,260 7,690 7,050
TC 9,560 9,140 8,680 8,160 7,600
CI 0.55 0.61 0.66 0.76 0.86
72 (22.2) SHC 5,950 5,760 5,560 5,340 5,110
63 76 (24.4) SHC 6,970 6,790 6,590 6,360 6,130
(17.2) 80 (26.7) SHC 8,040 7,860 7,660 7,430 7,200
84 (28.9) SHC 9,070 8,880 8,680 8,160 7,600
88 (31.1) SHC 9,560 9,140 8,680 8,160 7,600
TC 9,930 9,540 # 9,100 8,620 8,090
CI 0.56 0.61 0.67 0.77 0.87
72 (22.2) SHC 4,730 4,580 4,400 4,210 4,010
67 76 (24.4) SHC 5,760 5,600 5,420 5,240 5,030
(19.4) 80 (26.7) SHC 6,830 6,670 6,490 6,310 6,100
84 (28.9) SHC 7,850 7,690 7,520 7,330 7,120
88 (31.1) SHC 8,870 8,720 8,540 8,350 8,090
TC 10,460 10,090 9,700 9,270 8,800
CI 0.57 0.62 0.68 0.78 0.88
72 (22.2) SHC 3,510 3,380 3,240 3,080 2,910
71 76 (24.4) SHC 4,540 4,400 4,260 4,100 3,940
(21.7) 80 (26.7) SHC 5,610 5,470 5,330 5,170 5,010
84 (28.9) SHC 6,630 6,490 6,350 6,200 6,030
88 (31.1) SHC 7,650 7,520 7,380 7,220 7,060
TC 10,670 10,320 9,960 9,540 9,090
CI 0.58 0.63 0.69 0.79 0.9
75 76 (24.4) SHC 3,250 3,130 3,010 2,880 2,730
(23.9) 80 (26.7) SHC 4,320 4,200 4,080 3,950 3,800
84 (28.9) SHC 5,340 5,220 5,110 4,970 4,820
88 (31.1) SHC 6,360 6,250 6,130 5,990 5,850
TC : Total Cooling Capacity (BTU/h)
SHC: Sensible Heat Capacity (BTU/h)
CI : Compressor Input (kW)
Rating conditions are M.R.= 2.38 US pints/h
: Outdoor Ambient Temp. 95°FDB
: Indoor Unit Entering Air Temp. 80°F DB / 67°F WB
15
230 V Single-phase 60 Hz
Model STW1222C2 / STW1223C2 / STW1225C2
Cooling & Electric Heating Models
y
RATING CAPACITY: 12,000 BTU/h AIR FLOW RATE: 410 CFM
EVAPORATOR CONDENSER
ENT. TEMP. °F (°C) AMBIENT TEMP. °F (°C)
W.B. D.B. 75 85 95 105 115
(23.9) (29.4) (35.0) (40.6) (46.1)
TC 12,160 11,570 10,900 10,140 9,300
CI 0.78 0.85 0.93 1.07 1.21
72 (22.2) SHC 9,230 8,940 8,610 8,260 7,870
59 76 (24.4) SHC 10,500 10,210 9,890 9,530 9,140
(15.0) 80 (26.7) SHC 11,820 11,540 10,900 10,140 9,300
84 (28.9) SHC 12,160 11,570 10,900 10,140 9,300
88 (31.1) SHC 12,160 11,570 10,900 10,140 9,300
TC 12,610 12,050 11,450 10,760 10,020
CI 0.79 0.86 0.94 1.08 1.23
72 (22.2) SHC 7,700 7,450 7,180 6,880 6,570
63 76 (24.4) SHC 8,970 8,720 8,450 8,150 7,840
(17.2) 80 (26.7) SHC 10,300 10,050 9,780 9,480 9,160
84 (28.9) SHC 11,570 11,320 11,050 10,750 10,020
88 (31.1) SHC 12,610 12,050 11,450 10,760 10,020
TC 13,090 12,580 # 12,000 11,360 10,670
CI 0.79 0.87 0.95 1.1 1.24
72 (22.2) SHC 6,170 5,960 5,720 5,470 5,200
67 76 (24.4) SHC 7,440 7,230 7,000 6,740 6,470
(19.4) 80 (26.7) SHC 8,770 8,560 8,320 8,070 7,800
84 (28.9) SHC 10,040 9,830 9,590 9,340 9,070
88 (31.1) SHC 11,310 11,100 10,860 10,610 10,340
TC 13,790 13,310 12,790 12,230 11,600
CI 0.8 0.88 0.96 1.11 1.26
72 (22.2) SHC 4,640 4,460 4,270 4,070 3,840
71 76 (24.4) SHC 5,910 5,730 5,540 5,340 5,110
(21.7) 80 (26.7) SHC 7,240 7,060 6,870 6,660 6,440
84 (28.9) SHC 8,510 8,330 8,140 7,930 7,710
88 (31.1) SHC 9,780 9,600 9,410 9,210 8,980
TC 14,060 13,610 13,130 12,580 11,990
CI 0.82 0.89 0.98 1.13 1.28
75 76 (24.4) SHC 4,280 4,130 3,970 3,790 3,600
(23.9) 80 (26.7) SHC 5,610 5,460 5,300 5,120 4,920
84 (28.9) SHC 6,880 6,730 6,570 6,390 6,200
88 (31.1) SHC 8,150 8,000 7,840 7,660 7,470
TC : Total Cooling Capacity (BTU/h)
SHC: Sensible Heat Capacity (BTU/h)
CI : Compressor Input (kW)
Rating conditions are M.R.= 3.36 US pints/h
: Outdoor Ambient Temp. 95°FDB
: Indoor Unit Entering Air Temp. 80°F DB / 67°F WB
16
230 V Single-phase 60 Hz
Model STW1522C2 / STW1523C2 / STW1525C2
Cooling & Electric Heating Models
y
RATING CAPACITY: 14,200 BTU/h AIR FLOW RATE: 410 CFM
EVAPORATOR CONDENSER
ENT. TEMP. °F (°C) AMBIENT TEMP. °F (°C)
W.B. D.B. 75 85 95 105 115
(23.9) (29.4) (35.0) (40.6) (46.1)
TC 14,380 13,690 12,890 12,000 11,010
CI 1.08 1.18 1.29 1.48 1.68
72 (22.2) SHC 10,350 10,000 9,590 9,150 8,670
59 76 (24.4) SHC 11,620 11,270 10,860 10,420 9,940
(15.0) 80 (26.7) SHC 12,950 12,590 12,190 11,750 11,010
84 (28.9) SHC 14,220 13,690 12,890 12,000 11,010
88 (31.1) SHC 14,380 13,690 12,890 12,000 11,010
TC 14,920 14,260 13,550 12,740 11,860
CI 1.09 1.2 1.31 1.5 1.7
72 (22.2) SHC 8,780 8,460 8,130 7,760 7,360
63 76 (24.4) SHC 10,050 9,730 9,400 9,030 8,630
(17.2) 80 (26.7) SHC 11,380 11,060 10,730 10,360 9,960
84 (28.9) SHC 12,650 12,330 12,000 11,630 11,230
88 (31.1) SHC 13,920 13,600 13,270 12,740 11,860
TC 15,490 14,880 # 14,200 13,450 12,620
CI 1.1 1.21 1.32 1.52 1.72
72 (22.2) SHC 7,190 6,930 6,630 6,320 5,980
67 76 (24.4) SHC 8,460 8,200 7,910 7,590 7,250
(19.4) 80 (26.7) SHC 9,790 9,530 9,230 8,920 8,580
84 (28.9) SHC 11,060 10,800 10,500 10,190 9,850
88 (31.1) SHC 12,330 12,070 11,770 11,460 11,120
TC 16,320 15,750 15,140 14,470 13,730
CI 1.11 1.22 1.34 1.54 1.75
72 (22.2) SHC 5,620 5,400 5,160 4,900 4,620
71 76 (24.4) SHC 6,890 6,670 6,430 6,170 5,890
(21.7) 80 (26.7) SHC 8,220 8,000 7,760 7,500 7,220
84 (28.9) SHC 9,490 9,270 9,030 8,770 8,490
88 (31.1) SHC 10,760 10,540 10,300 10,040 9,760
TC 16,640 16,100 15,530 14,880 14,190
CI 1.14 1.24 1.36 1.57 1.77
75 76 (24.4) SHC 5,180 4,990 4,790 4,560 4,330
(23.9) 80 (26.7) SHC 6,510 6,320 6,120 5,890 5,650
84 (28.9) SHC 7,780 7,590 7,390 7,160 6,920
88 (31.1) SHC 9,050 8,860 8,660 8,430 8,200
TC : Total Cooling Capacity (BTU/h)
SHC: Sensible Heat Capacity (BTU/h)
CI : Compressor Input (kW)
Rating conditions are M.R.= 4.53 US pints/h
: Outdoor Ambient Temp. 95°FDB
: Indoor Unit Entering Air Temp. 80°F DB / 67°F WB
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