Sanyo KMS2472 manual

CM1972 (3-room multi unit) CM2472 (4-room multi unit) CM3172 (4-room multi unit) CLM1972 (3-room multi unit) CLM2472 (4-room multi unit) CLM3172 (4-room multi unit) < Applicable Multi-Outdoor Units > TECHNICAL & SER VICE MANUAL INDOOR UNIT : KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 DC INVERTER MUL TI-SYSTEM AIR CONDITIONER FILE NO. Destina[...]

When Wiring ELECTRICAL SHOCK CAN CA USE SEVERE PERSONAL INJUR Y OR DEA TH. ONL Y A Q U ALIFIED, EXPERIENCED ELECTRICIAN SHOULD A TTEMPT T O WIRE THIS SYSTEM. SPECIAL PRECA UTIONS This symbol refers to a hazar d or unsafe practice which can result in severe per sonal injury or death. This symbol refers to a hazar d or unsafe practice which can resul[...]

Ta b le of Contents APPLICABLE MUL TI-OUTDOOR UNITS 1. OPERA TING RANGE 2. SPECIFICA TIONS 2-1. Unit Specifications 2-2. Major Component Specifications 2-3. Other Component Specifications 3. DIMENSIONAL D A T A 4. REFRIGERANT FLO W DIA GRAM 4-1. Refrigerant Flow Diagram 5. PERFORMANCE D A T A 5-1. Air Throw Distance Charts 6. ELECTRICAL D A T A 6-1[...]

APPLICABLE MUL TI-OUTDOOR UNITS KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 3-Room CM1972 YES YES YES YES NO 4-Room CM2472 YES YES YES YES YES 4-Room CM3172 YES YES YES YES YES 3-Room CLM1972 YES YES YES YES NO 4-Room CLM2472 YES YES YES YES YES 4-Room CLM3172 YES YES YES YES YES Indoor Unit Multi-Outdoor Unit 4[...]

95 °F D.B. / 71 °F W .B. 67 °F D.B. / 57 °F W .B. 1. OPERA TING RANGE Maximum Minimum 1 15 °F D.B. 67 °F D.B. T emperature Indoor Air Intake T emp. Outdoor Air Intake T emp. Cooling Combination with cooling outdoor unit CM1972 , CM2472 or CM3172 95 °F D.B. / 71 °F W .B. 67 °F D.B. / 57 °F W .B. Maximum Minimum 1 15 °F D.B. *1 T emperatur[...]

2. SPECIFICA TIONS 2-1. Unit Specifications Indoor Unit KMS0772 6 Narrow tube Wide tube DATA SUBJECT TO CHANGE WITHOUT NOTICE. 19.8 (9.0) 24.3 (11.0) (900) 10-1/32 (255) 2.8 (0.08) Weight Shipping Volume 11-7/32 (285) 32-15/32 (825) (189) 13-25/32 (350) 35-7/16 Net Ib. (kg) Ib. (kg) Shipping Width Depth inch(mm) inch(mm) inch(mm) Unit Dimensions P[...]

7 Indoor Unit KMS0772 Narrow tube Wide tube 2.20 Auto and 3 steps 24-Hour ON or OFF Timer Control Wireless Remote Control Unit 25 241 (410) 0.12 7-7/16 Capacity Manual Microprocessor / I.C. Thermister BTU/h kW 1/4 (6.35) Flare Type 7,500 < 208V > Wall Mounted Type Indoor Unit Type Performance 208V Single-Phase 60Hz Voltage Rating Cooling cu.f[...]

Indoor Unit KMS0972 Narrow tube Wide tube DATA SUBJECT TO CHANGE WITHOUT NOTICE. 19.8 (9.0) 24.3 (11.0) (900) 10-1/32 (255) 2.82 (0.08) Weight Shipping Volume 11-7/32 (285) 32-15/32 (825) (189) 13-25/32 (350) 35-7/16 Net Ib. (kg) Ib. (kg) Shipping Width Depth inch(mm) inch(mm) inch(mm) Unit Dimensions Package Dimensions Height Height Width Optional[...]

9 Indoor Unit KMS0972 Narrow tube Wide tube DATA SUBJECT TO CHANGE WITHOUT NOTICE. 19.8 (9.0) 24.3 (11.0) (900) 10-1/32 (255) 2.82 (0.08) Weight Shipping Volume 11-7/32 (285) 32-15/32 (825) (189) 13-25/32 (350) 35-7/16 Net Ib. (kg) Ib. (kg) Shipping Width Depth inch(mm) inch(mm) inch(mm) Unit Dimensions Package Dimensions Height Height Width Option[...]

10 Indoor Unit KMS1272 Narrow tube Wide tube DATA SUBJECT TO CHANGE WITHOUT NOTICE. 19.8 (9.0) 24.3 (11.0) (900) 10-1/32 (255) 2.82 (0.08) Weight Shipping Volume 11-7/32 (285) 32-15/32 (825) (189) 13-25/32 (350) 35-7/16 Net Ib. (kg) Ib. (kg) Shipping Width Depth inch(mm) inch(mm) inch(mm) Unit Dimensions Package Dimensions Height Height Width Optio[...]

11 Indoor Unit KMS1272 Narrow tube Wide tube 3.50 Auto and 3 steps 24-Hour ON or OFF Timer Control Wireless Remote Control Unit 35 282 (480) 0.17 7-7/16 Capacity Manual Microprocessor / I.C. Thermister BTU/h kW 1/4 (6.35) Flare Type 11,900 < 208V > Wall Mounted Type Indoor Unit Type Performance 208V Single-Phase 60Hz Voltage Rating Cooling cu[...]

12 Indoor Unit KMS1872 Narrow tube Wide tube 5.15 Auto and 3 steps 24-Hour ON or OFF Timer Control Wireless Remote Control Unit 35 500 (850) 0.15 8-19/32 Capacity Manual Microprocessor / I.C. Thermister BTU/h kW 1/4 (6.35) Flare Type 17,500 < 230V > Wall Mounted Type Indoor Unit Type Performance 230V Single-Phase 60Hz Voltage Rating Cooling c[...]

13 Indoor Unit KMS1872 Narrow tube Wide tube DATA SUBJECT TO CHANGE WITHOUT NOTICE. 26.5 (12.0) 33.1 (15.0) (1,140) 14-29/32 (379) 4.23 (0.12) Weight Shipping Volume 11-23/32 (298) 41-15/16 (1,065) (218) 11-3/8 (289) 44-7/8 Net Ib. (kg) Ib. (kg) Shipping Width Depth inch(mm) inch(mm) inch(mm) Unit Dimensions Package Dimensions Height Height Width O[...]

14 Indoor Unit KMS2472 Narrow tube Wide tube 7.10 Auto and 3 steps 24-Hour ON or OFF Timer Control Wireless Remote Control Unit 45 541 (920) 0.20 8-19/32 Capacity Manual Microprocessor / I.C. Thermister BTU/h kW 1/4 (6.35) Flare Type 24,200 < 230V > Wall Mounted Type Indoor Unit Type Performance 230V Single-Phase 60Hz Voltage Rating Cooling c[...]

15 Indoor Unit KMS2472 Narrow tube Wide tube DATA SUBJECT TO CHANGE WITHOUT NOTICE. 26.5 (12.0) 33.1 (15.0) (1,140) 14-29/32 (379) 4.23 (0.12) Weight Shipping Volume 11-23/32 (298) 41-15/16 (1,065) (218) 11-3/8 (289) 44-7/8 Net Ib. (kg) Ib. (kg) Shipping Width Depth inch(mm) inch(mm) inch(mm) Unit Dimensions Package Dimensions Height Height Width O[...]

16 2-2. Major Component Specifications 2-2-1. Indoor Unit Indoor Unit KMS0772 Type Over- Current Protection Over- Heat Protection Micro F VAC Control PCB 1,050 No. of Poles Rough Measure RPM (Cool) 250V 3A Control Circuit Fuse Controls Cross-Flow CB-KMS0772 Part No. 8 Type Model ... Q'ty Microprocessor Remote Control Unit RCS-4VPIS4U 1 ... D3[...]

17 Indoor Unit KMS0972 Type Over- Current Protection Over- Heat Protection Micro F VAC Control PCB 1,100 No. of Poles Rough Measure RPM (Cool) 250V 3A Control Circuit Fuse Controls Cross-Flow CB-KMS0972 Part No. 8 Type Model ... Q'ty Microprocessor Remote Control Unit RCS-4VPIS4U 1 ... D3-11/16 / L24-31/ 32 (D94 / L634) Fan Motor Heat Exchange[...]

18 Indoor Unit KMS1272 Type Over- Current Protection Over- Heat Protection Micro F VAC Control PCB 1,200 No. of Poles Rough Measure RPM (Cool) 250V 3A Control Circuit Fuse Controls Cross-Flow CB-KMS1272 Part No. 8 Type Model ... Q'ty Microprocessor Remote Control Unit RCS-4VPIS4U 1 ... D3-11/16 / L24-31/ 32 (D94 / L634) Fan Motor Heat Exchange[...]

19 Indoor Unit KMS1872 Type Over- Current Protection Over- Heat Protection Micro F VAC Control PCB 1,200 No. of Poles Rough Measure RPM (Cool) 250V 3A Control Circuit Fuse Controls Cross-Flow CB-KMS1872 Part No. 8 Type Model ... Q'ty Microprocessor Remote Control Unit RCS-4VPIS4U 1 ... D3-11/16 / L33-9/ 32 (D94 / L845) Fan Motor Heat Exchanger[...]

20 Indoor Unit KMS2472 Type Over- Current Protection Over- Heat Protection Micro F VAC Control PCB 1,300 No. of Poles Rough Measure RPM (Cool) 250V 3A Control Circuit Fuse Controls Cross-Flow CB-KMS2472 Part No. 8 Type Model ... Q'ty Microprocessor Remote Control Unit RCS-4VPIS4U 1 ... D3-11/16 / L33-9/ 32 (D94 / L845) Fan Motor Heat Exchanger[...]

2-3. Other Component Specifications Indoor air temp sensor PTM-D51H- S3 TH2 Model No. of sensor Sensor Name 111 Quantity of Sensor 00 PTM-D51H- S3-2 TH2 00011 KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 Indoor heat exchanger sensor PTM-D51H- S3 TH1 Model No. of sensor Sensor Name 111 Quantity of Sensor 00 PTM-D51[...]

3. DIMENSIONAL D A T A Indoor Unit  KMS0772 KMS0972 KMS1272 Unit: inch(mm) 22[...]

Unit: inch(mm) (dia.3-5/32 ) (dia.3-5/32 ) 1-15/16 3/16 41-17/32 (1055) 3/16 11-23/32 (298) 41-15/16 (1065) 1-31/32 2-3/8 3-31/32 2-3/8 3-31/32 41-17/32 (1055) 1-31/32 9/32 2-3/8 (1/8) 8-19/32 (218) 18-11/16 15-7/8 2-3/8 2-3/8 1-15/16 31/32 15-27/32 3-3/4 17-23/32 3-3/4 8-3/8 4-5/8 4-5/8 41-15/16 11-23/32 1-25/32 Drain hose dia.23/32"(18) Narr[...]

O.D. 3/8" (9.52 mm) O.D. 1/4" (6.35 mm) O.D. 1/2" (12.7 mm) O.D. 1/4" (6.35 mm) O.D. 5/8" (15.88 mm) O.D. 1/4" (6.35 mm) 4. REFRIGERANT FLO W DIA GRAM 4-1. Refrigerant Flow Dia gram Indoor Unit KMS0772 KMS0972 KMS1272 Indoor Unit KMS1872 Indoor Unit KMS2472 Indoor heat exchanger Cooling cycle Indoor unit Indoo[...]

Horizontal distance (ft.) Axis air velocity (ft./sec.) Vertical distance (ft.) Room air temp. : 80 ° F (26.7 ° C) Fan speed : High Cooling : Flap angle 0 ° , : Axis air velocity 0 ° : Flap angle 30 ° , : Axis air velocity 30 ° 5. PERFORMANCE D A T A 5-1. Air Thro w Distance Charts Indoor Unit KMS0772 25 0 5 10 15 05 1 0 15 20 25 30[...]

Horizontal distance (ft.) Axis air velocity (ft./sec.) Vertical distance (ft.) Cooling : Flap angle 0 ° , : Axis air velocity 0 ° : Flap angle 30 ° , : Axis air velocity 30 ° Indoor Unit KMS0972 Room air temp. : 80 ° F (26.7 ° C) Fan speed : High 26 0 5 10 15 05 1 0 15 20 25 30[...]

Horizontal distance (ft.) Axis air velocity (ft./sec.) Vertical distance (ft.) Room air temp. : 80 ° F (26.7 ° C ) Fan speed : High Cooling : Flap angle 0 ° , : Axis air velocity 0 ° : Flap angle 30 ° , : Axis air velocity 30 ° Indoor Unit KMS1272 27 0 5 10 15 05 1 0 15 20 25 30[...]

Horizontal distance (ft.) Axis air velocity (ft./sec.) Vertical distance (ft.) Room air temp. : 80 ° F (26.7 ° C ) Fan speed : High Cooling : Flap angle 0 ° , : Axis air velocity 0 ° : Flap angle 30 ° , : Axis air velocity 30 ° Indoor Unit KMS1872 28 0 5 10 15 05 1 0 15 20 25 30[...]

Horizontal distance (ft.) Axis air velocity (ft./sec.) Vertical distance (ft.) Room air temp. : 80 ° F (26.7 ° C ) Fan speed : High Cooling : Flap angle 0 ° , : Axis air velocity 0 ° : Flap angle 30 ° , : Axis air velocity 30 ° Indoor Unit KMS2472 29 0 5 10 15 05 1 0 15 20 25 30[...]

EVAPORATOR TERMINAL BASE TO OUTDOOR UNIT GRN/YEL LAMP 10P( WHT ) FLAP 5P (WHT) FLAP CONNECTOR FLAP MOTOR RED PNK BLU BRN YEL 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 6 6 1 2 3 4 5 1 2 3 4 5 AC1 AC2 S1 WHT RED WHT WHT WHT WHT WHT WHT WHT WHT 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 IND LAMP ASSY ROOM/COIL 4P[...]

8FA2-5257-70500-0 EVAPORATOR TERMINAL BASE TO OUTDOOR UNIT GRN/YEL LAMP 10P( WHT ) FLAP 5P (WHT) FLAP CONNECTOR FLAP MOTOR RED PNK BLU BRN YEL 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 6 6 1 2 3 4 5 1 2 3 4 5 AC1 AC2 S1 WHT RED WHT WHT WHT WHT WHT WHT WHT WHT 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 IND LAMP[...]

7. FUNCTIONS 7-1. Operation Functions Emergency operation SENSOR DR Y  During DRY operation, the system adjusts the room temperature and fan speed according to the conditions in the room, in order to maintain a comfortable room environment. SENSOR DR Y operation  DRY operation is as shown in the figure below . P AM- control  In order to[...]

HIGH PO WER NIGHT SETB A CK Lamp colors Timer backup This function acts to raise the power but keeps the AC system in the same operating mode. This function is set with the HIGH POWER button on the remote controller . (It can be set regardless of the temperature and fan speed settings.)  HIGH PO WER operation from remote contr oller  The unit[...]

Freeze prevention During COOL or DRY operation, freezing is detected and operation is stopped when the temperature of the indoor heat exchanger matches the conditions below . 1.  Freeze-prevention operation is engaged when the temperature of the indoor heat exchanger is below 43°F(6°C). 2.  Restart after freeze-prevention operation occurs w[...]

1HR. TIMER button ON/OFF operation button ACL (Reset) button ION button < Clock display > Test run mode Self-diagnostics mode 8. TROUBLESHOOTING 8-1. Precautions before Performing Inspection or Repair NO TE PROCEDURE After checking the self-diagnostics monitor , turn the power OFF before starting inspection or repair . High-capacity electroly[...]

Indication on indoor unit .... OFF Timer Operation Code Diagnostics item Diagnostics contents Since the indications cover various units, the corresponding parts listed below may not be present in some models. S01 Room temperature sensor failure Indoor heat exchanger sensor failure Humidity sensor failure Compressor temperature sensor failure Outdoo[...]

(2) If the self-diagnostics function fails to operate Check the indoor unit. Is the fuse blown? Replace the controller. Replace the circuit board or the fuse. No indicators illuminate and the indoor fan does not rotate. Check the power voltage. Normal Blown 37[...]

8-3. Checking the Indoor and Outdoor Units (1) Checking the indoor unit (2) Checking the outdoor unit (3) Checking the serial communications Using the TEST/T-RUN terminals Control No. Check items (unit operation) T -RUN : T est run (compressor and fan motor turn ON). TEST/MV : Compresses time to 1/60th (accelerates operation by 60 times faster than[...]

[T rouble symptom 3] Motor rotates for some time (several seconds), but then quickly stops, when the indoor unit operates. (There is trouble in the system that provides feedback of motor rotation speed from the motor to the indoor unit controller .) [T rouble symptom 4] Fan motor rotation speed does not change during indoor unit operation. [T roubl[...]

8-5. Noise Malfunction and Electr omagnetic Interf erence An inverter A/C operates using pulse signal control and high frequencies. Therefore, it is susceptible to the effects of external noise, and is likely to cause electromagnetic interference with nearby wireless devices. A noise filter is installed for ordinary use, preventing these problems. [...]

INSTRUCTION MANUAL KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 (OI-852-6-4180-806-00-1) (OI-852-6-4180-807-00-1) APPENDIX A A-1[...]

2 F eatures This air conditioner is an in v er ter type unit that au tomatica lly adjusts capacity as appro pr iate . Details on these functions are prov ided below; ref er to these de scr iptio ns when using the air conditioner . • Micr oprocessor Cont rolled Operation The interior compartment of the remote cont rol unit contains sev eral f eatu[...]

3 Contents P age F eatur es ............... ....................... ...................... .................... ...................... ...... 2 Product In f or mation ........... ....................... ................... ...................... ................ 3 Aler t Symb ols ....... ....................... ................... .................[...]

4 Installation Location • W e recommend that this air conditioner be installed prope rly b y qualified installat ion technicians in accordance with th e Installation Instructions pro vided with t he unit. • Bef ore installa tion, chec k that the v oltage o f the electric supply in y our home o r office is the same as the v oltage sho wn on the [...]

5 Names of P ar ts This illustration is based on the e x ter nal vie w of a standard model. Consequently , the shape ma y diff er from that of th e air conditioner which y ou hav e selected. This air conditioner consists of an indoor unit and an outd oor unit. Y ou can control the air conditioner with th e remot e control unit. Air Intake Ai r from[...]

6 Unit Displa y and Operation Button REMO TE CONTROL receiver This section picks up infrared signals from the remo te control unit (transmit ter). OPERA TION button When the remote cont rol cannot be used, pressing this b utton enab les cooling operati on. Each time this button is pressed, th e operation mode changes cyclic ally . OPERA TIO N lamp [...]

7 Remote Contr ol Unit (Display) (1) Operat ion mode MILD DR Y ............. ................. COOL ....... ....................... ....... F AN .......... ....................... ....... (2) F an sp eed A utoma tic operation ............... HIGH ....... ....................... ....... MEDIUM... ....................... ....... LOW .................[...]

8 Remote Contr ol Unit The illustration abov e pictures the remote control unit after the cov er has been opened. Tr a n s m i t t e r When you pr ess the butt ons on the remote control unit, the mark appears in the displa y to transmit the setting changes to the receiv er in the air con ditioner . Sensor A temperature sensor inside t he remote con[...]

9 Remote Contr ol Unit (continued) T emperature setting b uttons (TEMP .) Press the b utton to increase the set te mperature . Press the button to reduce the set te mperature. The tempera ture setting changes b y 1 °C or 2 °F each time one of th e TEMP . butt ons is pressed. QUIET butt on : When you press this b utton, the fan rot ates slower th [...]

10 Remote Contr ol Unit (continued) Using the Remote Control Unit SENSOR button When you press this b utton (use a small-ti pped object such as a ballpoint pen), the mark will appear at the displa y . And the room temp erature is detected by the sensor wh ich is built in to the indoor unit and the air condit ioner is controlled accordingly . If the[...]

11 Using the Remote Cont ro l Unit (continued) How to Use the Remote Control Un it When using the remote control unit, alwa ys point th e unit’ s tr ansmitter head directly at the air condit ioner’ s receiv er . Remote Control Unit Installation Position The remote contro l unit may be o perated either from a non -fix ed position or from a wall-[...]

12 Oper ation with the Remote Control Unit 1. Operation Check th at the circuit break er on the po wer panel is turned on. Press the setting b uttons as described below and change the settings as desired. STEP 1 Press the MODE selector b utton and select th e desired mode. F or dehu midifying operation → F or coolin g operation → F or fa n only[...]

13 Operation with the Remote Contr ol Unit (continued) • Choose the best position in the r oom for the remote control unit, which also acts as the sensor f or room comf or t and tr ansmits the oper ating instructions. Once yo u’ve f ound this best position, alwa ys keep the rem ote control unit there . • This appliance has a b uilt-in 5-minut[...]

14 Operation with the Remote Contr ol Unit (continued) 4. Night Setbac k Mode Night Setbac k Mode is used f or saving ene rgy . Press the NIGHT SETBA CK button while operation. The mark appears in the displa y . T o re lease the night se tback function, press the NIGHT SETBACK b utton ag ain. In Cooling and DR Y Mode: ( and ) When the night setbac [...]

15 Operation with the Remote Contr ol Unit (continued) 5. QUIET Mode QUIET Mode is used to re duce the f an sound of the indoor u nit. Press the QUIET b utton. The mark appears in the displa y . T o ca ncel, press QUIET button again. • In QUIE T Mode, the f an rotates at a slower speed than the fa n speed setting. • If the unit is alre ady oper[...]

16 Special Remar ks How it w orks? • Once the room temperature re aches the le vel that was set, the unit’ s operation frequency is changed auto matically . • Durin g DR Y operation, the fan speed autom atically runs at lower speed for providin g a comfortable bree ze. • ‘ ‘DR Y’ ’ opera tion is not possible if the indoor tempe ratu[...]

17 Setting the Timer In the descriptions belo w , the f ollowing setti ngs are used f or the te mperature and time indicator select or button on the bottom front sectio n of the remote control. • T emperatu re: °F • Time: AM, PM 1. How to set the p resent time (Example) T o set to 10:30 pm. 2. How to set the OFF tim e (Example) T o stop the ai[...]

18 Setting the Timer (continued) 3. How to set the ON time (Example) T o star t operatio n at 7:10 am. 4. How to set D AIL Y ON/OFF REPEA T timer (Example) T o star t oper ation at 7:10 am. and stop the air conditioner at 11:00 am. T o cancel a timer program • Press the CANCEL button . • When eithe r an ON or O FF timer is to be canceled, pres [...]

19 Using the 1-Hour OFF Timer Tips f or Energ y Sa ving 1. 1-Hour OFF Timer This function causes the unit to operate f or one hour and then st op, regard less of whether the unit is on or off when this b utton is pressed. The indicator in the displa y indicates that this functi on is operating. Setting pr ocedure: Regardless of whether t he unit is[...]

20 Adjusting the Airflo w Direction 1. Horizontal The horizontal airflo w can be adjusted b y moving the v er tical v anes with y our hands to the left or right. When the humidity is high, the vertical va nes should be in the front position during the cooling or dehumidifying operation. If the vertical vanes are positioned all of the way to th e ri[...]

21 Oper ation without the Remote Control Unit Care and Cleaning INDOOR UNIT If y ou hav e lost the remo te control un it or it has troub le, f ollow the steps below . When the air conditi oner is not running Each time the OPERA TION butt on is pressed, the operatio n mode changes cyclically . The temper ature is set to the room tempe rature minu s [...]

22 Care and Cleaning (continued) Anti-Mold Filter The anti-mold filter behind the air intake grille should be ch ec ked and cleaned at least once e ve r y two weeks . How to remove the anti-mold filter 1. Grasp both ends of the air intake grille, and remo ve it by opening to wards the f ront and pulling tow ards you. 2. Remov e the anti- mold filte[...]

23 Care and Cleaning (continued) Air Clean Filt er The air clean filter re mov es dust and dir t from the air , and reduces odors and smoke from tobacco. This air clean filter cannot remove harmfu l gases or vapor s nor ventilate air in the room. Y ou must open doors or windows frequently when y ou use gas or oil heating appliance s. Otherwise ther[...]

24 T roubleshooting If your air conditioner does not work pr oper ly , first check the f ollowing points bef ore requesting service. If it still does no t work properly , contact y our dealer or service center . Operating Range The air conditioner is operab le within the temper ature ranges as listed belo w: F or Cooling Only Models : CM1972, CM247[...]

INSTALLATION INSTRUCTIONS KMS0772 KMS0972 KMS1272 KMS1872 KMS2472 (II-852-6-4189-996-00-0) APPENDIX B A-2[...]

Model Combinations Combine indoor and outdoor units only as listed below . Indoor Unit Outdoor Unit KMS0772 CM1972 KMS0972 CM2472 KMS1272 CM3172 KMS1872 CLM1972 KMS2472 CLM2472 CLM3172 P ow er Source: 60 Hz, single-phase, 230 / 208 V AC Combinations of indoor and outdoor units Connect indoor and outdoor units only in the combi- nations listed in th[...]

2 IMPOR T ANT! Please Read Bef ore Star ting This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an impor tant par t of your job to install or service the system so it operates saf ely and efficiently . For safe installation and tr ouble-free operation, you must: G Carefully read this [...]

3 1. General This booklet briefly outlines where and how to install the air conditioning system. Please read ov er the entire set of instructions for the indoor and outdoor units and mak e sure all accessor y par ts listed are with the system bef ore beginning. 1-1. T ools Required for Installation (not supplied) 1. Standard screwdriver 2. Phillips[...]

4 1-5. Additional Materials Required f or Installation 1. Refrigeration (ar mored) tape 2. Insulated staples or clamps f or connecting wire (See local codes) 3. Putty 4. Refrigeration lubricant 5. Clamps or saddles to secure refrigerant tubing 2. Installation Site Selection 2-1. Indoor Unit A V OID: G direct sunlight. G nearby heat sources that ma [...]

5 G Install the indoor unit more than 3.3' (1 m) aw ay from an y antenna or power lines or connecting wires used f or tele- vision, radio , telephone, security system, or intercom. Electrical noise from any of these sources ma y affect operation. G install in a sturdy manner to av oid increased operating noise. 2-2. Embedding the T ubing and W[...]

6 Set screw only for transportation Fig. 6 Rear panel marks Fig. 7 Left tubing Right tubing Downward tubing Right-rear tubing (recommended) Left-rear tubing Fig. 8 3. How to Install the Indoor Unit 3-1. Remove the Rear P anel fr om the Unit (1) Remov e and discard the set screw on the rear panel. (Fig. 6) (2) Press the 2 L L marks on the frame cov [...]

7 Indoor side Outdoor side Hole should be made at a slight downw ard slant to the outdoor side. NOTE Fig. 10 Plastic cover INSIDE OUTSIDE W all Slight angle PVC pipe (Locally purchased) Fig. 12 PVC pipe (Locally purchased) Cut at sli g ht an g le Fig. 11 (4) Using a sabre saw , ke y hole saw or hole-cutting drill attachment, cut a hole in the wall.[...]

8 3-4. Remove the Grille to Install the Indoor Unit 3-4-1. Indoor unit types (KMS0772, KMS0972, KMS1272) Basically , these models can be installed and wired without removing the grille. If access to an y inter nal par t is needed, f ollow the steps as giv en below . How to remo ve the grille (1) Gr asp both ends of the air intake grille, and remo v[...]

9 Air intake grille Grille Fig. 16a-1 Fig. 16b-1 Cover Thermistor Fig. 17a-1 Thermistor Fig. 17b-1 Fig. 18a-1 Ta b Ta b Fig. 18b-1 Fig. 19b-1 Pin Groove Fig. 19a-1 3-4-2. Indoor unit types (KMS1872, KMS2472) Basically , these models can be installed and wired with- out removing the grille. If access to an y inter nal par t is needed, f ollow the st[...]

10 3-5. Shape the Indoor Side T ubing (1) Arrangement of tubing b y directions a) Right or left tubing Cut out the cor ner of the right/left frame with a hacksa w or the like . (Figs. 20 and 21) b) Right-rear or left-rear tubing In this case, the corner of the frame need not be cut. (2) T o mount the indoor unit on the rear panel: Hang the 2 mounti[...]

11 3-7. Wiring Instructions for Inter -unit Connections (1) Inser t the inter-unit wir ing (according to local codes) into the through-the-wall PVC pipe . Run the wir ing tow ard the indoor side allowing appro x. 10" (25 cm) to e xtend from the wall f ace. (Fig. 24) (2) Grasp both ends of the air intake g r ille , and remov e it by opening to [...]

12 When connecting each power wire to the corresponding terminal, follow the instructions “How to connect wiring to the ter minal” and f asten the wire securely tight with the fixing screw of the terminal plate. How to connect wiring to the terminal a) For Indoor Unit (1) Cut the wire end with a cutting pliers, then strip the insulation to e xp[...]

13 3-8. Mounting (1) T o install the indoor unit, mount the indoor unit onto the 2 tabs on the upper par t of the rear plate. (2) Hold down the air discharge outlet and press the lower part of the indoor unit until it clicks to securely f asten to the 2 tabs on the lower par t of the rear plate. (Fig. 33) F or tubing, choose either the right or lef[...]

14 Hole in wall Bent part Narrow tube Wide tube Rear panel Fig. 38 Drain cap Drain hose Fig. 39 I Left-side tubing (1) Lead the tubing and drain hose through the wall, allowing sufficient length f or connection. Then bend the tubing using a tube bender to make the attach- ment. (Fig. 38) (2) Switch the drain hose and drain cap . Switching drain hos[...]

15 T o unmount indoor unit Press the 2 L L marks on the lower par t of the indoor unit and unlatch the tabs. Then lift the indoor unit and unmount. (Fig. 42) 3-9. Drain Hose a) The drain hose should be slanted downw ard to the outdoors. (Fig. 43) b) Nev er f or m a trap in the course of the hose . c) If the drain hose will run in the room, insulate[...]

16 4. How to T est Run the Air Conditioner After tur ning on po wer to the air conditioner , use the remote controller and f ollow the steps below to conduct the test run. (1) Set the remote controller in T est Run mode. (Fig. 59a) a) Press and hold the ION button. b) Then press and hold the 1HR TIMER button. c) At the same time, press the A CL (re[...]

17 5 . Remote Contr ol Unit Installation P osition The remote control unit can be operated from either a non-fix ed position or a wall-mounted position. T o ensure that the air conditioner operates correctly , do not install the remote control unit in the f ollowing places: G In direct sunlight G Behind a cur tain or other place where it is cov ere[...]

18 6. Address Switch 6-1. Address Setting of the Remote Contr ol Unit The address can be set in order to pre vent interf erence between remote controllers when two San yo indoor units are installed near each other . The address is normally set to “A. ” T o set a different address, it is necessary to change the address on the second remote contr[...]

19 7 . Connecting a Home A utomation de vice The HA (white) 4P ter minal is located on the indoor unit PCB . If a HA device will be used, connect it to this ter minal. 8. Installation Check Sheet The strength of the installation location is sufficient to suppor t the A/C weight. The indoor and outdoor units are installed le vel and v er tically . T[...]

For Parts Service Contact SANYO Fisher Service Company A Division of SANYO North America Corporation 1 165 Allgood Road, Suite 22, Marietta, GA 30062 U.S.A. Sanyo Canada Inc. 1-300 Applewood Crescent, Concord, Ontario L4K 5C7, CANADA Sept. / 2006 (T)[...]