Westinghouse WHS09WMA21S Design & Technical Manual
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Westinghouse WHS09WMA21S Design & Technical Manual

Wall mounted type
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AIR CONDITIONER
Wall mounted type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
, WESTINGHOUSE, and INNOVATION YOU CAN BE SURE OF are trademarks of Westing house
Electric Corporation. Used under license by FUJITSU GENERAL AMERICA, INC. All Rights Reserved.
WHS09WMA21S
WHS09WMA11S
WHS24WMA21S
WHS09SZA21S
WHS09SZA11S
WHS12SZA21S
WHS12SZA11S
WHS30SZA21S
WHS12WMA21S
WHS12WMA11S
WHS30WMA21S
WHS18SZA21S
R410A
REFRIGERANT
INVERTER
WHS18WMA21S
WHS24SZA21S
DR_AS126EW_01
2020.05.29

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Summary of Contents for Westinghouse WHS09WMA21S

  • Page 1 INDOOR WHS24WMA21S WHS30WMA21S WHS09SZA21S WHS18SZA21S WHS24SZA21S WHS09SZA11S WHS12SZA21S OUTDOOR WHS12SZA11S WHS30SZA21S , WESTINGHOUSE, and INNOVATION YOU CAN BE SURE OF are trademarks of Westing house Electric Corporation. Used under license by FUJITSU GENERAL AMERICA, INC. All Rights Reserved. DR_AS126EW_01 2020.05.29...
  • Page 2 Notices: • Product specifications and design are subject to change without notice for future improvement. • For further details, please check with our authorized dealer. WARNING This product can expose you to chemicals including Plumbum, which is known to the State of California to cause cancer and birth defects or other reproductive harm.

  • Page 3: Table Of Contents

    2-3. Model: WHS18WMA21S....................6 2-4. Model: WHS24WMA21S....................6 2-5. Model: WHS30WMA21S....................7 2-6. Installation space requirement ..................7 3. Wiring diagrams ....................8 3-1. Models: WHS09WMA21S, WHS12WMA21S, and WHS18WMA21S ......8 3-2. Model: WHS24WMA21S....................9 3-3. Model: WHS30WMA21S....................10 3-4. Models: WHS09WMA11S and WHS12WMA11S ............11 4. Capacity table....................12 4-1.
  • Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............21 1. Specifications....................22 2. Dimensions....................25 2-1. Models: WHS09SZA21S, WHS12SZA21S, WHS09SZA11S, and WHS12SZA11S ..25 2-2. Model: WHS18SZA21S ....................26 2-3. Model: WHS24SZA21S ....................27 2-4. Model: WHS30SZA21S ....................28 3. Installation space ..................29 3-1. Models: WHS09SZA21S, WHS12SZA21S, WHS18SZA21S, WHS24SZA21S, WHS30SZA21S, WHS09SZA11S, and WHS12SZA11S ..........29 4.

  • Page 5: Part 1. Indoor Unit

    Part 1. INDOOR UNIT WALL MOUNTED TYPE: WHS09WMA21S WHS12WMA21S WHS18WMA21S WHS24WMA21S WHS30WMA21S WHS09WMA11S WHS12WMA11S...

  • Page 6: Specifications

    1. Specifications Wall mounted Type Inverter heat pump Model name WHS09WMA21S WHS12WMA21S WHS18WMA21S Power supply 208/230 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 198—253 V 2.64 3.52 5.28 Rated Btu/h 9,000 12,000 18,000 Cooling 1.32—2.93 1.61—3.96...
  • Page 7 Wall mounted Type Inverter heat pump Model name WHS24WMA21S WHS30WMA21S Power supply 208/230 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 198—253 V 7.03 8.79 Rated Btu/h 24,000 30,000 Cooling 2.34—7.77 3.37—9.81 Min.—Max. Btu/h 8,000—26,500 11,500—33,500 Capacity 7.15 9.09...
  • Page 8 Wall mounted Type Inverter heat pump Model name WHS09WMA11S WHS12WMA11S Power supply 115 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 103—127 V 2.64 3.52 Rated Btu/h 9,000 12,000 Cooling 0.35—2.93 0.73—3.96 Min.—Max. Btu/h 1,200—10,000 2,500—13,500 Capacity 2.93 3.87...

  • Page 9: Dimensions

    2. Dimensions 2-1. Models: WHS09WMA21S and WHS09WMA11S Unit: in (mm) 8-7/16 (214) 29-5/16 (745) 25-13/16 (656) 1-13/16 (46.5) 7-3/16 (183.2) 2-2. Models: WHS12WMA21S and WHS12WMA11S Unit: in (mm) 32-1/16 (815) 8-7/16 (214) 2 (51.3) Tube exit 1-13/16 28-7/16 (722) (46.5)

  • Page 10: Model: Whs18Wma21S

    2-3. Model: WHS18WMA21S Unit: in (mm) 35-11/16 (907) 36 (915) 9-5/16 (236) 1-7/8 (47) 31-9/16 (801) 2-3/16 Tube exit (56) Air inlet 2-4. Model: WHS24WMA21S Unit: in (mm) 9-5/16 (236) Tube exit 2-1/4 (57) - 6 - 2-3. Model: WHS18WMA21S 2.

  • Page 11: Model: Whs30Wma21S

    2-5. Model: WHS30WMA21S Unit: in (mm) Tube exit Air inlet 2-6. Installation space requirement Provide sufficient installation space for product safety. Distance from ceiling should be over 7.9 in (200 mm) Distance from wall should be over 2 in (50 mm) Distance from wall should be over 2 in (50 mm) Distance from floor should be...

  • Page 12: Wiring Diagrams

    ( Room temp. ) 1.3 V 2.2 V 2.7 V Fan motor Function Pin No. Terminal Lead wire code color of terminal Running coil Black Starting coil White - 8 - 3-1. Models: WHS09WMA21S, WHS12WMA21S, and WHS18WMA21S 3. Wiring diagrams...

  • Page 13: Model: Whs24Wma21S

    3-2. Model: WHS24WMA21S OPTIONAL CONTROL UNIT OPTIONAL MOTOR MOTOR LOUVER MOTOR HEAT EXCHANGER DISPLAY UNIT PIPE TEMP OPTIONAL WIRING CONTROL UNIT OR WIFI ROOM TEMP INDOOR OUTDOOR UNIT UNIT Temperature 68 F 86 F Thermistor 15 k 6.5 k 4.5 k ( Pipe temp.

  • Page 14: Model: Whs30Wma21S

    3-3. Model: WHS30WMA21S CONTROL UNIT OPTIONAL LOUVER MOTOR Wifi / Line control LOUVER MOTOR OPTIONAL LOUVER MOTOR OPTIONAL SWITCH UNIT HEAT EXCHANGER DISPLAY UNIT PIPE TEMP OPTIONAL INDOOR OUTDOOR FAN MOTOR UNIT UNIT ROOM TEMP Temperature 68 F 86 F Thermistor 4.5 k 15 k...

  • Page 15: Models: Whs09Wma11S And Whs12Wma11S

    3-4. Models: WHS09WMA11S and WHS12WMA11S CONTROL UNIT FAN MOTOR WIRING CONTROL UNIT OR WIFI OUTDOOR INDOOR UNIT UNIT Temperature 68 F 86 F Thermistor 15 k 4.5 k 6.5 k ( Pipe temp. ) 1.3 V 2.2 V 2.7 V Thermistor 4.5 k 15 k...

  • Page 16: Capacity Table

    Airflow Rate (AFR): For cooling capacity: Total Capacity (TC), Sensible Heat Capacity (SHC), and Input Power (IP) For heating capacity: Total Capacity (TC) and Input Power (IP) 4-1. Cooling capacity ¢ Model: WHS09WMA21S Indoor temperature °FDB °FWB °FDB...
  • Page 17 ¢ Model: WHS24WMA21S Indoor temperature °FDB °FWB °FDB °FWB Btu/h 22,140 15,293 1,286 29,149 19,319 1,665 29,906 19,646 1,915 30,350 19,841 2,125 29,903 19,646 2,327 28,401 18,940 2,551 27,354 18,363 2,915 26,470 18,302 3,217 22,758 16,879 3,094 18,343 14,750 2,803 ¢...
  • Page 18 ¢ Model: WHS12WMA11S Indoor temperature °FDB °FWB °FDB °FWB Btu/h 9,935 7,452 8,861 6,646 10,070 7,552 11,792 8,738 11,952 8,977 12,416 9,148 12,836 9,294 13,331 9,339 13,242 9,441 1,030 14,119 9,697 1,456 13,426 9,403 1,516 11,069 8,441 1,303 7,247 6,756 - 14 - 4-1.

  • Page 19: Heating Capacity

    4-2. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: WHS09WMA21S Indoor temperature °FDB °FWB °FDB °FWB Btu/h 3,845 4,599 7,046 1,079 7,561 1,137 7,871 11,116 1,091 10,768 8,115 5,892 ¢ Model: WHS12WMA21S Indoor temperature °FDB...
  • Page 20 ¢ Model: WHS30WMA21S 1,107 Indoor temperature °FDB °FWB °FDB °FWB Btu/h 15,347 2,897 18,155 2,826 20,315 2,979 24,167 3,221 27,272 3,175 32,431 3,401 28,340 2,365 23,675 2,483 17,188 1,803 ¢ Model: WHS09WMA11S Indoor temperature °FDB °FWB °FDB °FWB Btu/h 4,947 1,140 5,452 1,069...

  • Page 21: Remote Controller

    5. Remote controller 5-1. Wireless remote controller - 17 - 5-1. Wireless remote controller 5. Remote controller...

  • Page 22: Wired Remote Controller

    5-2. Wired remote controller a Room temperature sensor A temperature sensor inside the wired remote control switch is set to sense room temperature. b ON/OFF button Starts and stops operation. c MODE selection button Switches operation mode (COOL, DRY, and HEAT). d CLOCK button Activates clock mode (the time flashes on the display) Press...

  • Page 23: Accessories

    6. Accessories Part name Q’ty Part name Q’ty Remote controller instructions Drain connector for outdoor unit Use and installation instructions Flare nuts Remote controller Bag of wall anchors and screws Remote controller holder Screw for installations 09/12 model: 1 AAA battery Screw cover 18/24 model: 3 30 model: 4...
  • Page 24 - 20 - 6. Accessories...

  • Page 25: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT SINGLE TYPE: WHS09SZA21S WHS12SZA21S WHS18SZA21S WHS24SZA21S WHS30SZA21S WHS09SZA11S WHS12SZA11S...

  • Page 26: Specifications

    1. Specifications Type Inverter heat pump Model name WHS09SZA21S WHS12SZA21S WHS18SZA21S Power supply 208/230 V ~ 60 Hz Available voltage range 198—253 V Airflow rate CFM (m 942 (1,600) 942 (1,600) 1,177 (2,000) Type × Q'ty Propeller fan × 1 Motor output dB (A) Sound pressure level *...
  • Page 27 Type Inverter heat pump Model name WHS24SZA21S WHS30SZA21S Power supply 208/230 V ~ 60 Hz Available voltage range 198—253 V 1,648 2,354 Airflow rate CFM (m (2,800) (4,000) Type × Q'ty Propeller fan × 1 Motor output Sound pressure level * dB (A) 35-1/4 ×...
  • Page 28 Type Inverter heat pump Model name WHS09SZA11S WHS12SZA11S Power supply 115 V ~ 60 Hz Available voltage range 103—127 V Airflow rate CFM (m 942 (1,600) Type × Q'ty Propeller fan × 1 Motor output Sound pressure level * dB (A) 27-3/8 ×...

  • Page 29: Dimensions

    2. Dimensions 2-1. Models: WHS09SZA21S, WHS12SZA21S, WHS09SZA11S, and WHS12SZA11S Unit: in (mm) 5/8 (16) 7/16 (11) 5-7/16 17-7/16 4-3/4 (138) (443) 2-7/8 (120) 9-7/8 (73) (251) 28-1/8 (715) 8-7/8 (226) 3/16 × 3/8 × 13/16 1-7/8 (47) (4 × 10 × 20) - 25 - 2-1.

  • Page 30: Model: Whs18Sza21S

    2-2. Model: WHS18SZA21S Unit: in (mm) 11 (280) 31-7/8 (810) 3 (75.56) 20-1/16 (510) - 26 - 2-2. Model: WHS18SZA21S 2. Dimensions...

  • Page 31: Model: Whs24Sza21S

    2-3. Model: WHS24SZA21S Unit: in (mm) 37-1/2 (953) 3 (76) 33-7/8 (860) 25° 4-15/16 (125) 1-3/8 (35) 21-5/8 (550) 1-15/16 (50) Ø11/16 (18) (Drain port) 21-5/16 6-5/8 (168) (542) - 27 - 2-3. Model: WHS24SZA21S 2. Dimensions...

  • Page 32: Model: Whs30Sza21S

    2-4. Model: WHS30SZA21S Unit: in (mm) 35-3/8 (898) 34-13/16 (885) 13-1/16 (332) 3-1/16 (78) 22-7/8 (581) Pipe size: Ø3/8 (9.53) Pipe size: Ø5/8 (15.88) 1-15/16 (50) 26-1/16 (662) - 28 - 2-4. Model: WHS30SZA21S 2. Dimensions...

  • Page 33: Installation Space

    3. Installation space 3-1. Models: WHS09SZA21S, WHS12SZA21S, WHS18SZA21S, WHS24SZA21S, WHS30SZA21S, WHS09SZA11S, and WHS12SZA11S ¢ Space requirement Provide sufficient installation space for product safety. CAUTION Keep the space shown in the installation examples. If the installation is not performed accordingly, it could cause a short circuit and result in a lack of operating performance.
  • Page 34 Site for installing the indoor unit • Where there is no obstruction near the air outlet and air Indoor unit can be easily blown to every corner. • Where piping and wall hole can be easily arranged. • Keep the required space from the unit to the ceiling and Pipe length: wall according to the diagram on previous page.

  • Page 35: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Models: WHS09SZA21S, WHS12SZA21S, WHS18SZA21S, WHS24SZA21S, WHS30SZA21S, WHS09SZA11S, and WHS12SZA11S - 31 - 4-1. Models: WHS09SZA21S, WHS12SZA21S, WHS18SZA21S, WHS24SZA21S, 4. Refrigerant circuit WHS30SZA21S, WHS09SZA11S, and WHS12SZA11S...

  • Page 36: Wiring Diagrams

    5. Wiring diagrams 5-1. Models: WHS09SZA21S, WHS12SZA21S, WHS18SZA21S, WHS24SZA21S, and WHS30SZA21S Compressor 09 model: 2.35 12 model: 1.7 18 model: 1.87 24 model: 0.75 30 model: 0.932 68 F Fan motor (09-24 model) Pin No. Terminal Lead wire Temperature Function of terminal 68 F 86 F code...

  • Page 37: Models: Whs09Sza11S And Whs12Sza11S

    5-2. Models: WHS09SZA11S and WHS12SZA11S Fan motor Pin No. Terminal Lead wire Function of terminal code color Compressor 09 model: 2.35 Revolution pulse output Blue 12 model: 1.7 Speed control voltage input Yellow 68 F Control power voltage input White Black Motor power voltage input Temperature...

  • Page 38: Electrical Characteristics

    6. Electrical characteristics Model name WHS09SZA21S WHS12SZA21S WHS18SZA21S Voltage 208/230 ~ Power supply Frequency 10.0 15.0 MCA* MAX. CKT. BKR* Power cable SJTW 3 × 16 SJTW 3 × 14 Wiring Size SJTW 4 × 18 spec.* Connection Limited wiring cable* ft (m) 69 (21)

  • Page 39: Accessories

    7. Accessories Part name Q’ty Part name Q’ty Bottom rubber for outdoor unit Power wire - 35 - 7. Accessories...

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