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1. 8 L 212 0 6 2 0 26 16 nn 9 7 y w N 5 Y _ t Y T i 828 26 91 26 amp Ce c 9UuE 918 ce e ze Ole 22 8 2 91 91 LL 8L Unit inch mm lt 0 0 o hi 8 9 o ello se N 2 oe 22 62 vete e X 9901 26 21 17 cg Lc SL cg c LL 8 8 ZE LE E Q E Z QL SL Ly C s 9 v L eIp eqni MOLEN 8 j ZLVZSHW 88 1 8 6 210 S Beed ep esou 21815 0 21 e HEID KMHS1872 KMHS2472 Indoor Unit eqni SPIM 812 2 61 8 271 7 Zene EK ET ET ES CO T a MJ i i Y
2. TIMER button ON TIMER OFFS A A ww ww gt CANCEL clock SENSOR CF 12 24H em J n SE Reset d button Fig 59a OPERATION TIMER QUIET 7 OPERATION _____ OPERATION lamp TIMER lamp QUIET lamp TT ION lamp 5 Remote Control Unit Installation Position The remote control unit can be operated from either a non fixed position or a wall mounted position To ensure that the air conditioner operates correctly do not install the remote control unit the following places In direct sunlight Behind a curtain or other place where it is covered More than 26 8 away from the air conditioner In the path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic interference Where there is an obstacle between the remote con trol unit and the air conditioner since a check signal is sent from the remote control unit every 5 minutes 5 1 Mounting on a Wall Before mounting the remote control unit press the ON OFF operation button at the mounting location to make sure that the air conditioner operates from that location The indoor unit should make a beeping sound to indicate that it has received the signal Rear side Remote control unit mount 0 A lt J Mounting screws c 5 32 x 5 8 4 x 16 mm Included w Hole 2 prevent loss of th
3. C r 1 Transmitter Display ION button QUIET button FAN SPEED selector button FLAP button Remote Control Unit Sensor 5 RA TofS y 2 gem DOR SEE a 5 Cover closed ON OFF operation button 1 HR TIMER button Temperature setting buttons TEMP MODE selector button NIGHT SETBACK button HIGH POWER button SEE r Aevance bition Advance button OFF TIME d Return button Return button setting buttons buttons CANCEL button CLOCK button SENSOR button ADDRESS switch NOTE Time display selector button ACL button Temperature display selector button The illustration above pictures the remote control unit after the cover has been opened Transmitter When you press the buttons on the remote control unit the mark appears the display to transmit the setting changes to the receiver in the air conditioner Sensor A temperature sensor inside the remote control unit senses the room temperature Display Information on the operating conditions is displayed while the remote control unit is switched on If the unit is turned off FLAP setting and FAN SPEED setting are not displayed ION button MAN This button is for turning the negative ions generated during operation on and off ON OFF operation butt
4. VAC Flap Motor Type Mode MP24Z3 Rating DO12V Coil Resistance Ohm Each Pair of Terminal 400 7 Ambient Temp 77 F 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 19 Indoor Unit KMHS2472 Control PCB CB KMHS2472 Control Circuit Fuse 250V 3A Remote Control Unit RCS 4MHVPIS4U Q ty Dia and Length inch mm 1 D3 11 16 L33 9 32 D94 L845 Rough Measure RPM Cool Heat 1 300 1 300 Nominal Output 1 WP 3 Coil Resistance Ohm Ambient Temp 68 F 20 C Safety Device Type Internal Controller 30 Over Current Protection Yes Over Heat Protection Yes Run Capacitor VAC Flap Motor Type Mo 1 1 1 1 MP24Z3 Rating DO12V Coil Resistance Ohm Each Pair of Terminal 400 7 Ambient Temp 77 F 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 20 2 3 Other Component Specifications Quantity of Sensor Model No of sensor KMHS0772 KMHS0972 KMHS1272 KMHS1872 KMHS2472 Sensor Name PTM D51H S3 TH2 PTM D51H S3 2 TH2 Indoor air temp sensor gt Resistance k ohm N A O 0 Model No of sensor KMHS0772 KMHS0972 KMHS1272 KMHS1872 KMHS2472 50 59 68 77 86 95 104 10 15 20 25 30 35 40 Temp
5. 4 Place the ring connector wire and replace and tighten the removed terminal screw using a screw driver Fig 32 12 Special 9 32 7 mm ACTUAL STRIP size F SIZE 27771 28 Solid wire i e e N 5 n Insulation Fig 29 Stranded wire E E Ring N connector e a 7 Fig 30 Twist wire ends a Fig 31 q kol ID Screw and Ring connector special washer Terminal plate Ring H connector Z 3 8 Mounting 1 To install the indoor unit mount the indoor unit onto the 2 tabs on the upper part 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 fasten to the 2 tabs on the lower part of the rear plate Fig 33 For tubing choose either the right or left tubing direction and follow the steps below This work can be made easi Fig 33 er by placing padding material such as styrofoam at the rear right side of the indoor unit Fig 34 Push B Right side tubing 1 Shape the refrigerant tubing so that it can easily go into the wall hole Fig 35 2 Push the wiring refrigerant tubing and drain hose Padding material through the hole in the wall Adjust the indoor unit so it is securely seated on the rear panel Fig 36 3 Carefully bend the tubing if necessary to run along Fig 34 the wall in th
6. 3 Blown fuse 4 Power relay failure 5 Indoor or outdoor circuit board failure HIC circuit failure Power Tr transistor circuit failure 1 HIC or power Tr failure 2 Outdoor fan does not turn 3 Instantaneous power outage 4 Service valve not opened 5 Outdoor fan blocked 6 Continuous overload operation 7 Compressor failure 8 Outdoor circuit board failure x x x x x Ls Outdoor unit external ROM OTP data failure 1 External ROM data failure 2 Outdoor circuit board failure 5 1 Instantaneous power outage 2 HIC or power transistor failure 204 Peak 3 Outdoor circuit board failure PAM circuit failure Active circuit failure Compressor discharge overheat prevention activated 1 Outdoor circuit board failure 2 Outdoor power supply voltage failure 1 Electric expansion valve failure 2 Capillaries choked 3 Shortage of refrigerant 4 Continuous overload operation 5 Outdoor fan does not rotate 6 Outdoor circuit board failure Indoor fan operating failure 1 Fan motor failure 2 Contact failure at connector 3 Indoor circuit board failure 4 way valve switching failure Indoor zero cross failure 1 4 way valve failure heat pump model only 2 Outdoor circuit board failure No refrigerant protection 1 Service valve not opened 2 Shortage of refrigerant DC compressor drive circuit failure 1 Open phase 2 Outdoor ci
7. S Nx EB sss ami m S 2 EIER AB E 5 i ae oe Q EX N S C J o o o o o o 0 0 z a Won 8 e 000000 E v e e o o 9 o Eo 000 00 r m z L viE vlee S901 91 91 17 Ze ee Lh 26 2 21 r 3 t mr Ir ARA 905 9901 22 21 Ly 9l 23 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram KMHS0772 KMHS0972 Indoor Unit Indoor Unit Indoor Unit KMHS1272 Indoor unit 1 O D 3 8 9 52 mm ifs Indoor heat exchanger O D 1 4 6 35 mm KMHS1872 Indoor unit 1 1 2 12 7 mm Indoor heat exchanger O D 1 4 6 35 mm KMHS2472 Indoor unit O D 5 8 15 88 mm le Indoor heat exchanger O D 1 4 6 35 mm 24 lt W Cooling cycle Heating cycle lt D Cooling cycle Heating cycle Cooling cycle Heating cycle 5 PERFORMANCE DATA 5 1 Air Throw Distance Charts Indoor Unit KMHS0772 Room air temp 80 F 26 7 C Fan speed High Horizontal distance ft 5 10 15 20 25 30 Axis air velocity ft sec Vertical distance ft 15 angle 0 Axis air v
8. 2 SPECIFICATIONS 2 1 Unit Specifications Indoor Unit KMHS0772 lt 230V gt Voltage Rating 230V Single Phase 60Hz Capacity BTU h 7 500 8 500 Air Circulation High Femin meh Moisture Removal ig Pmsh O 27 Airflow Direction Indoor Horizontal Vertical Operation Sound Indoor Hi Me Lo Qt dB A 33 30 27 23 33 30 27 23 Qt Quiet mode Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 3 8 9 52 Refrigerant Tubing Kit Accessories Optional Air Clean Filter Dimensions amp Weight nt Unit Dimensions Height i i i Package Dimensions Height i i Weight Net Shipping 24 3 11 Shipping Volume cu ft m3 2 82 0 08 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit KMHS0772 lt 208V gt Voltage Rating 208V Single Phase 60Hz Capacity BTU h 7 500 8 500 Air Circulation High Femin meh Moisture Removal ig Pmsh O 27 Airflow Direction Indoor Horizontal Vertical Operation Sound Indoor Hi Me Lo Qt dB A 33 30 27 23 33 30 27 23 Qt Quiet mode Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 3 8 9 52 Refrigerant Tubing Kit Accessories Optional Air Clean Filter Dimensions amp Weight waww Unit Dimensions Height i i i Package Dimensions Height i i Weight Net Shipping 24 3 1
9. Fig 13a or 136 If you are not able to line up the holes in the rear panel with the beam locations marked on the wall use raw plugs or toggle bolts to go through the holes on the panel or drill 3 16 5 mm dia holes in the panel over the stud locations and then mount the rear panel R Double check with a carpenter s level or tape sure that the panel is level This is important to install the unit properly Fig 14 Make sure the panel is flush against the wall Any space between the wall and unit will cause noise and vibration b If Block Brick Concrete or Similar Type Wall Make 3 16 4 8 mm dia holes in the wall Insert rawl plugs for appropriate mounting screws Fig 15 TD 4 8 mm dia hole gt plug lt Fig 15 Hole should be made at a slight downward slant to the outdoor side Indoor Outdoor side I I 1 l P 26 Cut at slight angle Fig 11 INSIDE OUTSIDE Wall Plastic cover PVC pipe Locally purchased Locally p LEN angle Fig 12 KMHS0772 KMHS0972 KMHS1272 o E 0 d ar RS IER Fi l F Fig 13a KMHS1872 KMHS2472 W Fig 14 3 4 Remove the Grille to Install the Indoor Unit Air intake grille 3 4 1 Indoor unit types KMHS0772 KMHS0972 KMHS1272 Basically these models can be installed and wire
10. Fluctuation between DC 1 7 to 6 1 V Diagnostic results All of the above measured values are normal Fan motor trouble Replace the motor Any one of the above measured values is not normal Indoor unit controller trouble Replace the controller Reference DC motor connector pin arrangement Pin 1 Vm red Pin 2 Not used Pin 3 Gnd black Pin 4 Vcc white Pin 5 Vs yellow Pin 6 PG blue Trouble 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 Trouble symptom 4 Fan motor rotation speed does not change during indoor unit operation Trouble symptom 5 Fan motor rotation speed varies excessively during indoor unit operation Remedy for symptom 3 to 5 It is not possible to identify whether the trouble is indoor unit controller trouble or motor trouble Therefore first replace the indoor unit controller then if necessary replace the DC motor 41 8 5 Noise Malfunction and Electromagnetic Interference 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 noise filter is installed for ordinary use preventing these problems However depending on the ins
11. KMHS1272 1 4 6 35 mm 0 0314 0 8 mm 3 8 9 52 mm 0 0314 0 8 mm KMHS1872 1 4 6 35 mm 0 0314 0 8 mm 1 2 12 70 mm 0 0314 0 8 mm KMHS2472 1 4 6 35 mm 0 0314 0 8 mm 5 8 15 88 mm 0 0393 1 0 mm 1 5 Additional Materials Required for Installation 1 Refrigeration armored tape 2 Insulated staples or clamps for connecting wire See local codes 3 Putty 4 Refrigeration lubricant 5 Clamps or saddles to secure refrigerant tubing 2 Installation Site Selection Indoor Unit WARNING To prevent abnormal heat generation and the possibility of fire do not place obstacles enclosures and grilles in front of or surrounding the air conditioner in a way that may block air flow AVOID direct sunlight nearby heat sources that may affect performance of the unit e areas where leakage of flammable gas may be expected e placing or allowing any obstructions near the A C inlet or outlet e installing in rooms that contain instant on rapid start fluorescent lamps These may prevent the A C from receiving signals places where large amounts of oil mist exist e installing in locations where there are devices that generate high frequency emissions DO select an appropriate position from which every corner of the room can be uniformly cooled High on a wall is best select a location that will hold the weight of the unit
12. MODE CD CDO FAN SPEED NIGHT SETBACK CD CD FLAP HIGH POWER NO TIMER FO ACL Reset button 1 Self diagnostics Lamps INDOOR UNIT OPERATION 7 OPERATION TIL 1 OPERATION lamp TIMER r 2 TIMER lamp QUIET 3 QUIET lamp ION lamp OPERATION button REMOTE CONTROL receiver Since the indications cover various units the corresponding parts listed below may not be present in some models Indication on indoor unit OFF Blinking ON Illuminated Quiet 3 Timer 2 Operation 1 Code Diagnostics item Diagnostics contents X X 501 Room temperature sensor failure Indoor heat exchanger sensor failure Humidity sensor failure 1 Sensor open circuit or short circuit 2 Contact failure at connector or open circuit at terminal crimping location short circuit detection only for the humidity sensor 8 Indoor outdoor circuit board failure Compressor temperature sensor failure Outdoor heat exchanger sensor failure Outdoor air temperature sensor failure 1 Sensor open circuit or short circuit 2 Contact failure at connector or open circuit at terminal crimping location 3 Outdoor circuit board failure Outdoor electrical current detection failure Outdoor circuit board failure Indoor outdoor communications failure serial communications 1 Mis wiring 2 AC power failure
13. airflow manuall l The flap starts moving up and down to Ing manual y 27 deli th Referring to the above illustration use the e IVer alr over Ime FLAP button to set the airflow direction within the range used during the heating C Auto flap function cooling or dehumidifying operation The flap is set to the recommended A position NOTE The flap automatically closes when the unit is off During the heating operation the fan speed will be very low and the flap will be in the horizontal position position until the air being blown out of the unit begins to warm Once the air warms up the flap position and fan speed change to the settings specified with the remote control Use the FLAP button on the remote control to adjust the position of the CAUTION flap If you move the flap by hand the flap position according to the remote control and the actual flap position may no longer match If this should happen shut off the unit wait for the flap to close and then turn on the unit again the flap position will now be normal again not have the flap pointed down during cooling operation Condensation may begin to form around the air vent and drip down OI 809 21 EG 21 INDOOR UNIT OPERATION button TIMER QUIET OPERATION OPERATION Operation without the Remote Control Unit If
14. and set the airflow direction as desired Refer to Adjusting the Airflow Direction on page 21 To stop the air conditioner press the ON OFF operation button again NOTE When multiple indoor units are used and units in other rooms are already operating they will be set to the same mode of operation as the operating indoor units O1 809 13 EG 13 Operation with the Remote Control Unit continued NOTE Choose the best position in the room for the remote control unit which also acts as the sensor for room comfort and transmits the operating instructions Once you ve found this best position always keep the remote control unit there This appliance has a built in 5 minute time delay circuit to ensure reliable operation When the operation button is pressed the compressor will start running within three minutes In the event of power failure the unit will stop 3 Adjusting the Fan Speed A Automatic fan speed Simply set the FAN SPEED selector button to the 2 position This automatically sets the best fan speed for the room temperature B Manual fan speed If you want to adjust fan speed manually during operation just set the FAN SPEED selector button as desired 83 8 or 3 14 OI 809 14 EG 4 Night Setback Mode QUIET MODE FAN SPEED NIGHT SETBACK C FLAP HIGH POWER A In Cooling and DRY Mode and B In Heating Mode
15. ends to come in contact with rainwater or be subjected to condensation or dew Apply sufficient thermal insulation to the refrigerant tubing and drain pipes 3 How to Install the Indoor Unit 3 1 Remove the Rear Panel from the Unit 1 Remove and discard the set screw on the rear panel Fig 6 2 Press the 2 A marks on the frame cover and disen gage the stationary tabs from the frame Fig 7 3 Remove the rear panel eu Tubing can be extended in 5 directions as shown in Fig 8 Select the direction you need providing the shortest run to the outside unit e When left tubing is to be done switch the drain hose and drain cap For details refer to Switching drain hose and drain cap on page 14 3 2 Make a Hole 1 Place the rear panel from the indoor unit on the wall at the location selected Make sure the panel is hori zontal using a carpenter s level or tape measure to measure down from the ceiling Wait until after cut ting the hole before attaching the rear panel to the wall 2 Determine which side of the unit you should make the hole for tubing and wiring Fig 9a or 9b eu In the case of left rear tubing use the measurement points from the edge of the rear panel for precise place ment of the hose outlet Fig 9a or 9b 3 Before making the hole check carefully that no studs or pipes are directly run behind the spot to be cut CAUTION Als avold areas where elec trical
16. excessively high heat generating objects are placed To protect the air conditioner from heavy corrosion avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air near a spa Electrical Requirements 1 2 3 All wiring must conform to the local electrical codes Consult your dealer or a qualified electrician for details Each unit must be properly grounded with a ground or earth wire or through the supply wiring Wiring must be done by a qualified electrician MNE NE Safety Instructions Read this Instruction Manual carefully before using this air conditioner If you still have any difficulties or problems consult your dealer for help This air conditioner is designed to give you comfortable room conditions Use this only for its intended purpose as described in this Instruction Manual Never use or store gasoline or other flammable vapor or liquid near the air conditioner it is very dangerous This air conditioner has no ventilator for intaking fresh air from outdoors You must open doors or windows frequently when you use gas or oil heating appliances in the same room which consume a lot of oxygen from the air Otherwise there is a risk of suffocation in an extreme case Do not turn the air conditioner on and off from the power mains switch Use the ON OFF operation button Do not stick anything into the air outlet of the outdoor uni
17. metal parts may become discolored this is normal and not indicative of malfunctioning e If the dirt on and around the negative ion generator is left to build up a puffing or sputtering sound will eventually be heard In this case clean the generator immediately Do not apply excessive force while performing maintenance OI 809 24 EG Troubleshooting If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or service center Trouble Possible Cause Remedy Air conditioner does not run at all 1 Power failure 2 Leakage circuit breaker tripped 3 Line voltage is too low 4 Batteries in remote control unit have run down 1 Restore power 2 Contact service center 3 Consult your electrician or dealer 4 Replace batteries OPERATION lamp blinks and air conditioner does not operate Trouble in system Contact service center Compressor runs but soon stops Obstruction in front of condenser coil Remove obstruction Poor cooling or heating performance 1 Dirty or clogged air filter 2 Heat source or many people in room 3 Doors and or windows are open 4 Obstacle near air intake or air discharge port 5 Thermostat is set too high for cooling or too low for heating 6 Outdoor temperature is too low for heating 1 Clean air filter to improve airf
18. operates from that location The indoor unit should make a beeping sound to indicate that it has received the signal Remote control Rear side unit mount 2 Press ep Mounting screws 5 32 x 5 8 4 x 16 mm gt p incl included r 3 To prevent loss of the remote control unit 4 connect the remote control unit to the mount by passing a string through the remote control unit and attachment hole To take out the remote control unit pull it forward When Holding the Remote When using the remote control unit and during air conditioner operation the Control Unit transmitter on the remote control unit should be pointed toward the receiver on the indoor unit Make sure that there no objects between the remote control unit and receiver which could block the signal O1 809 11 EG 11 1 Automatic Operation NOTE Operation with the Remote Control Unit The air conditioner calculates the difference between the thermostat setting and room temperature and automatically determines the mode to operate under cooling or heating Then the air conditioner continuously operates under the mode selected at initial operation AM FI ITA CE M OOS ON OFF O 2 ION QUIET MODE CD STEP 1 FAN SPEED NIGHT SETBACK FLAP HIGH POWER Check that the circuit breaker on the power panel is turned on Once mode is
19. selected and the unit is preset by following the steps below you can have the air conditioner automatically bring the room to the desired temperature simply by pressing the ON OFF operation button STEP 1 Press the MODE selector button to STEP 2 Press the ON OFF operation button NOTE 12 To stop the air conditioner press the ON OFF operation button again To change the temperature setting press the temperature setting buttons and change the setting to the desired temperature OI 809 12 EG Operation with the Remote Control Unit continued 2 Manual Operation QUIET MODE C CCS STEP 1 STEP 4 HIGH POWER STEP 5 NOTE Check that the circuit breaker on the power panel is turned on If the automatic operation settings of the unit do not meet your needs press the setting buttons as described below and change the settings as desired STEP 1 Press the MODE selector button and select the desired mode For heating operation gt A For dehumidifying operation gt For cooling operation gt E STEP 2 To start the air conditioner press the ON OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the desired temperature Adjustable temperature range 30 max or 86 F max 16 C min 60 F min STEP 4 Set the FAN SPEED selector button to the setting you want STEP 5 Press the FLAP button
20. ty Truss head Unt 1 Tapping screw Phillips 10 Clamp 0 1 5 32 5 8 4x16 mm FE Packed in the indoor unit AAA alkaline Drain hose battery C 2 adapter q OQ 1 1 3 Optional Copper Tubing Kit 2 Foamed polyethylene insulation for the specified Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the narrow and wide tubing fittings and insulation Consult your nearest sales outlet or A C workshop 3 1 4 Type of Copper Tube and Insulation Material If you wish to purchase these materials separately from a local source you will need 1 Deoxidized annealed copper tube for refrigerant tub ing as detailed in Table 2 Cut each tube to the appropriate lengths 1 to 1 4 80 cm to 40 cm to dampen vibration between units copper tubes as required to precise length of tubing Wall thickness of the insulation should be not less than 5 16 8 mm Use insulated copper wire for field wiring Wire size varies with the total length of wiring Refer to 3 6 Wiring Instructions for details CAUTION Check local electrical codes and regulations before obtaining wire Also check Table any specified instructions or Narrow Tube Wide Tube limitations Model Outer Dia Thickness Outer Dia Thickness KMHS0772 1 4 6 35 mm 0 0314 0 8 mm 3 8 9 52 mm 0 0314 0 8 mm KMHS0972 1 4 6 35 mm 0 0314 0 8 mm 3 8 9 52 mm 0 0314 0 8 mm
21. while negative ions are being generated ION on is the remote control units initial setting The negative ions are generated from the negative ion generator OI 809 16 EG DRY 4 Operation How it works Heating 3 Operation Heating performance Defrosting Cold draft prevention Power failure during operation Clicking Sound Clicking sound is heard from OI 809 17 EG the air conditioner Remote Control Unit Special Remarks Once the room temperature reaches the level that was set the unit s operation frequency is changed automatically During DRY operation the fan speed automatically runs at lower speed for providing a comfortable breeze DRY operation is not possible if the indoor temperature is 59 F or less Because this air conditioner heats a room by drawing in the heat of the outside air heat pump system the heating efficiency will fall off when the outdoor temperature is very low If sufficient heat cannot be obtained with this air conditioner use another heating appliance together with it When the outdoor temperature is low frost or ice may form on the heat exchanger coil reducing heating performance When this happens a microcomputer defrosting system operates At the same time the fan on the indoor unit stops and the OPERATION lamp lights up red and orange alternately until defrosting is completed H
22. 1 Shipping Volume cu ft m3 2 82 0 08 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit KMHS0972 lt 230V gt Voltage Rating 230V Single Phase 60Hz Performance Capacity BTU h 9 000 12 200 kW 2 65 3 60 Air Circulation High ft min m3 h 259 440 282 480 Moisture Removal High Psn 34 FP Airflow Direction Indoor Horizontal Vertical Operation Sound Indoor Hi Me Lo Qt dB A 34 31 28 23 34 31 28 23 Qt Quiet mode Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 3 8 9 52 Refrigerant Tubing Kit Accessories Optional Air Clean Filter Dimensions amp Weight waww Unit Dimensions Height i i i Package Dimensions Height i i Weight Net Shipping 24 3 11 Shipping Volume cu ft m3 2 82 0 08 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit KMHS0972 lt 208V gt Voltage Rating 208V Single Phase 60Hz Performance Capacity BTU h 9 000 12 200 kW 2 65 3 60 Air Circulation High ft min m3 h 259 440 282 480 Moisture Removal High Psn 34 FP Airflow Direction Indoor Horizontal Vertical Operation Sound Indoor Hi Me Lo Qt dB A 34 31 28 23 34 31 28 23 Qt Quiet mode Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 3 8 9 52 Refrigerant Tubing Kit Accessories Optional Air Clean
23. 2 To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts CONNECTOR RED PNK BLU BRN YEL 5P WHT FLAP MOTOR RED BLK DCM WHT SE YEL BLU FAN MOTOR EVAPORATOR TERMINAL BASE 2 BLK io e 1 u WHT 2 He 5 2 u EPI 10P WHT gt n 0 lt a gt lt a ROOM THERMISTOR BLK w JEM A 4P WHT 30 8FA2 5257 69700 0 Indoor Unit KMHS1872 KMHS2472 To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts RED PNK BLU BRN YEL 5P WHT FLAP MOTOR RED BLK WHT SE YEL BLU 16 6 FAN MOTOR EVAPORATOR TERMINAL BASE Eten oc bi HO 5 E 2 1 T Warme B 0 Tr Rm 5 O L pete CONNECTOR 10P WHT gt n lt lt a ROOM THERMISTOR BLK w COIL THERMISTOR JEM A 4P WHT 31 8FA2 5257 70500 0 7 FUNCTIONS 7 1 Operation Functions B Emergency operation Emergency operation is available when the remote controller malfunctions has been lost or otherwise cannot be used To operate the system press the OPERATION button which is also
24. 9 Drain Hose a The drain hose should be slanted downward to the outdoors Fig 43 b Never form a trap in the course of the hose c If the drain hose will run in the room insulate the hose with insulation so that chilled condensation will not damage furniture or floors Fig 44 Foamed polyethylene or its equivalent is recom mended Nmm Do not supply power to the unit or operate it until all tubing and wiring to the out side unit are completed Risk of Electric Shock 15 Push Fig 42 Slant Indoor unit Drain hose Fig 43 Condensation UE Insulation material gt Locally purchased must be used Fig 44 4 How to Test Run the Air Conditioner After turning on power to the air conditioner use the remote controller and follow the steps below to conduct the test run 1 Set the remote controller in Test 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 ACL reset button once Use a pointed object such as the tip of a pen to press the ACL button After a few seconds appears and oP 1 blinks in the remote controller display area Fig 59b d Release the 1HR TIMER button e Release the ION button 2 Start Cooling mode test run by pressing the ON OFF operation b
25. AM 4 1 Refrigerant Flow Diagram EPIS E 24 5 PERFORMANCE DATA 5 1 Air Throw Distance Charts _ ____________ _____ ____ ____ _ ___ _ _ _______ __ 25 6 ELECTRICAL DATA 6 1 Electric Wiring Diagrams neden GEAR DEBERE nit mn Ri MTM EIE NTEGER 30 7 FUNCTIONS 7 1 Operation Functions 32 7 2 Protective Functions OO EON II I EE 34 8 TROUBLESHOOTING 8 1 Precautions before Performing Inspection or Repair IT 35 8 2 Method of Self Diagnostics P E 35 8 3 Checking the Indoor and Outdoor Units cece rete teeter eee 38 8 4 Trouble Diagnosis of Fan Motor 2 I E r E N E E T E E T 41 8 5 Noise Malfunction and Electromagnetic Interference nent EL NE RC E 42 APPENDIX Al INSTRUCTION MANUAL entente nennen etre tn street ts A 1 APPENDIX B INSTALLATION INSTRUCTIONS mH MH HH A 2 B APPLICABLE MULTI OUTDOOR UNITS Multi Outdoor Unit 3 Room 4 Room 4 Room Indoor Unit CMH1972 CMH2472 CMH3172 KMHS0772 YES YES YES KMHS0972 YES YES YES KMHS1272 YES YES YES KMHS1872 YES YES YES KMHS2472 NO YES YES 1 OPERATING RANGE 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 57 F W B 67 F D B Heating Maximum 80 F 67 F W B 75 F 65 F W B Minimum 8 W B 0 F D B
26. Allow the edge of the air intake grille to slide into the top of the indoor unit and then insert it all the way inside Fig 19a Fig 18b b Press the bottom right and left corners of the air intake grille to attach it to the indoor unit Fig 19b Groove gt Pin Attach so that the round pins at the top right and left corners of the air intake grille are inserted into the grooves at the top right and left of the indoor unit M m N Fig 19b Fig 19a 3 4 2 Indoor unit types KMHS1872 KMHS2472 Basically these models can be installed and wired with out removing the grille If access to any internal part is needed follow the steps as given below How to remove the grille 1 Grasp both ends of the air intake grille and remove it by opening towards the front and pulling towards you Fig 16a 1 R Remove the 3 screws Fig 16b 1 Remove the screw on the right side cover plate and open the cover Fig 17a 1 Take out the thermistor from the grille Fig 176 1 Press the 3 tabs at the top of the grille and the 3 tabs on the front face to separate the grille from the frame Fig 18a 1 6 Pull the grill toward you to remove it How to replace the grille 1 When installing the grille place the bottom of the grille into the frame first Fig 18b 1 Then insert the tabs on the top of the grille an
27. Blinking i Illuminated 3 1 Condition E01 For terminal board short circuit work or inter unit wiring removal turn off the power to avoid an electric shock Remove the terminal board short circuit after the completion of self diagnosis Operate the air conditioner in the TEST RUN mode y 1 Short circuit between the terminals 2 and 3 on the indoor unit terminal board 2 Operate the system in TEST RUN mode Then five minutes later perform the self diagnosis Does the voltage between the terminals 1 and 2 on the indoor unit terminal board reach the rated value Condition E12 What is the self diagnosis result 1 Disconnect the inter unit wiring on the indoor unit side 2 Operate the system in the TEST RUN mode An error in the P C Board in the ConditionsEO1 indoor unit might be considered 1 Disconnect the inter unit wiring on the outdoor Yes unit side 2 Short circuit between the terminals 2 and 3 on the outdoor unit terminal board 3 Operate the system in TEST RUN mode Then five minutes later perform the self diagnosis Does the voltage between the wires 1 and 2 of inter unit wiring on the indoor unit side reach the rated value An error the P C Board in the indoor unit might be considered Terminal board error etc Condition E12 An
28. Filter Dimensions amp Weight waww Unit Dimensions Height i i i Package Dimensions Height i i Weight Net Shipping 24 3 11 Shipping Volume cu ft m3 2 82 0 08 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit KMHS1272 lt 230V gt Voltage Rating 230V Single Phase 60Hz Performance Capacity BTU h 11 900 14 300 kW 3 50 4 20 Air Circulation High ft min m3 h 282 480 294 500 Moisture Removal High 3426 _______ Airflow Direction Indoor Horizontal Vertical Operation Sound Indoor Hi Me Lo Qt dB A 36 33 29 25 34 31 29 25 Qt Quiet mode Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 3 8 9 52 Refrigerant Tubing Kit Accessories Optional Air Clean Filter Dimensions amp Weight wawa Unit Dimensions Height i i i Package Dimensions Height i i Weight Net Shipping 24 3 11 Shipping Volume cu ft m3 2 82 0 08 DATA SUBJECT TO CHANGE WITHOUT NOTICE 10 Indoor Unit KMHS1272 lt 208V gt Voltage Rating 208V Single Phase 60Hz Performance Capacity BTU h 11 900 14 300 kW 3 50 4 20 Air Circulation High ft min m3 h 282 480 294 500 Moisture Removal High 3426 _______ Airflow Direction Indoor Horizontal Vertical Operation Sound Indoor Hi Me Lo Qt dB A 36 33 29 25 34 31 29 25 Qt Quiet mode Refrigerant Tubing Connections Flar
29. NI fi Axis air velocity 45 Axis air velocity 60 Flap angle 45 Flap angle 60 27 Indoor Unit KMHS1872 Room air temp 80 F 26 7 C i Fan speed High Horizontal distance ft 5 10 15 20 25 Axis air velocity ft sec Vertical distance ft Flap angle 0 Axis air velocity 0 Flapangle 30 Axis air velocity 30 Room air temp 70 F 21 1 C Fan speed High Horizontal distance ft 5 10 15 20 25 Axis air velocity ft sec Vertical distance ft Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 28 Indoor Unit KMHS2472 Room air temp 80 F 26 7 C i Fan speed High Horizontal distance ft Axis air velocity ft sec Vertical distance ft Flap angle O Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 70 F 21 1 C Fan speed High Horizontal distance ft 5 10 15 20 25 30 f s 28 s 2 gt 5 8 e x 45 angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 29 6 ELECTRICAL DATA 6 1 Electric Wiring Diagrams Indoor Unit KMHS0772 KMHS0972 KMHS127
30. Qt Quiet mode Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 5 8 15 88 Refrigerant Tubing Kit Accessories Optional Air Clean Filter Dimensions amp Weight M Unit Dimensions Height i i i Package Dimensions Height i i 44 7 8 1 140 i Weight Net Ib kg Shipping Ib kg 33 1 15 0 DATA SUBJECT TO CHANGE WITHOUT NOTICE 15 2 2 Major Component Specifications 2 2 1 Indoor Unit Indoor Unit KMHS0772 Control PCB CB KMHS0772 Control Circuit Fuse 250V 3A Remote Control Unit RCS 4MHVPIS4U Q ty Dia and Length inch mm 1 D3 11 16 L24 31 32 D94 L634 No of Poles en Rough Measure RPM Cool Heal Ambient Temp 68 F 20 C Type Internal Controller Over Current Protection Yes Over Heat Protection Run Capacitor MiroF CCC Flap Motor Type Mo ez Rating DO12V Coil Resistance Ohm Each Pair of Terminal 400 7 Ambient Temp 77 F 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 16 Indoor Unit KMHS0972 Control PCB CB KMHS0972 Control Circuit Fuse 250V 3A Remote Control Unit RCS 4MHVPIS4U Q ty Dia and Length inch mm 1 D3 11 16 L24 31 32 D94 L634 Rough Measure RPM Cool Heat 1 100 1 150 Nominal Output 0 0 WP _ A O Coil Resistance Ohm Ambient Temp 68 F 20 C Safety Device Type Int
31. TECHNICAL amp SERVICE MANUAL SANYO INDOOR UNIT KMHS0772 EEEN KMHS0972 KMHS1272 KMHS1872 KM HS2472 Destination North America DC INVERTER MULTI SYSTEM AIR CONDITIONER Capacity Indoor Model No Product Code No 7 500BTU h KMHS0772 1 852 099 92 9 000BTU h KMHS0972 1 852 099 93 11 900BTU h KMHS1272 1 852 099 94 17 500BTU h KMHS1872 1 852 099 95 24 200BTU h KMHS2472 1 852 099 96 Wall Mounted Type Indoor Unit Applicable Multi Outdoor Units gt CMH1972 3 room multi unit CMH2472 4 room multi unit CMH3172 4 room multi unit For details about the combinations refer to KM HS0772 Unit Combination Table in the T Service KM HS0972 Manual for the Multi Outdoor Units KMHS1272 These air conditioners employ new refrigerant R410A Pay special attention when servicing the unit _ RMOA _ KMHS1872 KMHS2472 REFERENCE 700659 02 Important Please Read Before Starting This air conditioning system 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 troub
32. air electrical parts and wiring Keep your 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 wiring 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 1 This booklet briefly outlines where and how to install the 6 Sabre saw or key hole saw air conditioning system Please read over the entire set 7 Hacksaw of instructions for the indoor and outdoor units and make 8 Core bits sure all accessory parts listed are with the system before 9 Hammer beginning 10 Drill 11 Tube cutter 1 1 Tools Required for Installation not supplied 12 Tube flaring tool 1 Standard screwdriver 13 Torque wrench 2 Phillips head screwdriver 14 Adjustable wrench 3 Knife or wire stripper 15 Reamer for deburring 4 Tape measure 5 Carpenter s level 1 2 Accessories Supplied with Unit Table 1 Parts Figure Q ty Parts Figure Q ty Parts Figure Q
33. aking or connection error etc 40 8 4 Trouble Diagnosis of Fan Motor 8 4 1 Indoor Fan Motor e This indoor DC fan motor contains an internal control PCB Therefore it is not possible to measure the coil resistance and the following procedure should be used to check the motor To perform diagnosis operate the unit in cooling mode with indoor fan speed High Next make sure that the indoor unit receive the signals from the remote controller when the ON OFF operation button is pressed Important A Turn OFF the power before connecting or disconnecting the motor connectors B When performing voltage measurement at the indoor controller connector for 3 in the table below the DC motor will trip and voltage output will stop approximately 1 minute after operation is started For this reason to measure the voltage again turn OFF the unit once using the remote controller and then start the air conditioner again Trouble symptom 1 The fan does not stop when the unit stops Indoor unit controller trouble Trouble symptom 2 The fan motor does not rotate when the unit is operating Diagnostic procedure Disconnect the motor connectors and measure the voltage at the DC motor connectors on the indoor unit controller 3 locations Measurement location Normal value 1 Vm Gnd Between pin 1 and pin 3 DC 230 V or more 2 Vcc Gnd Between pin 4 and pin 3 DC 14 V or more 3 Vs Gnd Between pin 5 and pin 3
34. alice 2 Product Inforinall el ER 3 Alert Symbol Siirsin M 3 Installation Location LLL inausi AnA ARNA TEENAAN 4 Electrical Requirements as ree kab naal aka nennen 4 Safety Instructions nennen nnne trennen nsns 4 Names of Parts 5 Using the Remote Control Unit a 10 Operation with the Remote Control Unit 2aaaiaaavaas vassaassnaassnansanansanasaaanaa 12 1 Automatic Operation ga st gai rE ak Lar Slab aja K a m k a g ts 12 2 S s k eee 13 3 Adjusting the Fan skanna nnns 14 4 Night Setback Mode naa den aeaaea 15 5 QUIET MOde 2 E a j la 16 6 HIGH POWER Mode 16 Mode E 16 Special 17 Setting the Timers aaa pss 18 Using the 1 Hour OFF Timer 20 Tips for Energy Saving icio teste oce eue d ii ince Y Bet dient 20 Adjusting the Airflow Direction essseeseeeeneennnnnenm nnn 21 Operation without the Remote Contro
35. at exchanger temperature lt a b a Area Automatic capacity control b When the temperature drops below Point A the operation frequency is reduced by a certain proportion c Area Frequency increase is prohibited d When the temperature reaches Point C or above freezing prevention is ended and control is the same as in the a area When the temperature drops to below 36 F 2 C continuously for 2 minutes or longer the compressor stops Once the freeze condition is detected the air conditioner will work less than the maximum frequency until it is turned off B Cold air prevention during heating 34 During heating the fan speed is set to LL very low or stopped As the temperature of the indoor heat exchanger rises the fan Speed is changed to the set speed Set fan speed High At stability of operation At start of operation 77 86 25 30 Approx 104 40 Indoor heat exchanger temperature F C NOTE The fan speed is forcibly changed to LL beginning 30 seconds after the thermostat turns OFF At stability of operation refers to operation when the room temperature has approached the set temperature When HEAT operation starts the indoor fan is stopped until the temperature of the indoor heat exchanger reaches 68 F 20 C or higher or until the room temperature reaches 59 F 15 C or higher 8 TROUBLESHOOTING 8 1 Pre
36. ayed increments Holding down the button advances the time rapidly in 10 minute increments 3 Wait a few seconds and then The timer indication stops the setting is complete blinking and the present time is displayed 4 How to set DAILY ON OFF A Example To start operation at 7 10 am and stop the air conditioner at 11 00 am REPEAT timer 10 30 pm 7 10 am 11 00 am Present time ON OFF 1 Set the timer ON OFF times as The present time 10 30 pm and shown in 2 1 2 3 and 3 1 2 3 OY are displayed NOTE The ON OFF combination timer uses the current time as the reference and it is activated starting from whichever set time comes first With the ON OFF combination timer the settings are repeated every day You can check the timer ON OFF times after you have set them by pressing the ON TIME and OFF TIME setting buttons To cancel a timer program Press the CANCEL button When either an ON or OFF timer is to be canceled press the button corresponding to the timer whose program is to be canceled and then press the CANCEL button The airflow direction fan speed and temperature setting can be changed after a timer program has been set even when the unit is stopped Even when operation is stopped during an ON timer program the unit will start operating when the set time is reached provided that the program is not canceled When the ON timer a
37. batteries nreplacing batteries follow the instructions as mentioned in the sub section How to Install Batteries If you do not use the remote control unit more than 1 month take out the batteries OI 809 10 EG Using the Remote Control Unit continued How to Use the Remote When using the remote control unit always point the unit s transmitter head Control Unit directly at the air conditioner s receiver Air conditioner Indoor unit Receiver Transmitter head S Remote control unit Remote Control Unit The remote control unit may be operated either from a non fixed position or from Installation Position a wall mounted position To ensure that the air conditioner operates correctly DO NOT install the remote control unit in the following places DO Indirect sunlight Behind a curtain or other places where it is covered More than 26 feet 8 m away from the air conditioner Inthe path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic noise Where there is an obstacle between the remote control unit and air conditioner since a check signal is sent from the remote control unit every 5 minutes Mounting the Remote Control Before mounting the remote control unit press the ON OFF operation button at Unit the mounting location to make sure that the air conditioner
38. cautions before Performing Inspection or Repair After checking the self diagnostics monitor turn the power OFF before starting inspection or repair e High capacity electrolytic capacitors are used inside the outdoor unit controller inverter They retain an electrical charge charging voltage DC 310V even after the power is turned OFF and some time is required for the charge to dissipate Be careful not to touch any electrified parts before the controller LED red turns OFF If the outdoor controller is normal approximately 30 seconds will be required for the charge to dissipate However allow at least 5 minutes for the charge to dissipate if there is thought to be any trouble with the outdoor controller 8 2 Method of Self Diagnostics Follow the procedure below to perform detailed trouble diagnostics 1 If the operation lamp blinks every 0 5 seconds immediately when the power is turned ON there is an external ROM OTP data failure on the indoor circuit board or a ROM socket insertion problem or the ROM has not been installed 2 The failure mode is stored in memory even when the power is not ON Follow the procedure below to perform diagnostics PROCEDURE After turning on power to the air conditioner use the remote controller and follow the steps below to execute self diagnostics Step 1 Press and hold the remote controller ION button and 1 HR TIMER button At the same time press the ACL reset button Use a poi
39. coil and other electrical components O1 809 5 EG 5 Unit Display and Operation Button INDOOR UNIT A IMPORTANT Avoid using radio equipment such as mobile phone near within 4 ft the remote control receiver Some radio OPERATION E equipment may cause malfunction of the unit If the trouble happens OPERATION lamp TIMER lamp QUIET lamp ION lamp OPERATION button disconnect power and restart REMOTE CONTROL receiver the air conditioner after a few minutes REMOTE CONTROL receiver This section picks up infrared signals from the remote control unit transmitter OPERATION button When the remote control cannot be used pressing this button enables heating and cooling operation green red Each time this button is pressed the type of operation conducted is indicated by the changing color of the OPERATION lamp Press the button and select the lamp color that suits your preference for operation Cooling operation Heating operation Stop lamp off 1 OPERATION lamp This lamp lights when the system is the continuous AUTO green defrosting HEAT red DRY orange and COOL green mode The OPERATION lamp lights up red and orange alternately when the system is TIMER lamp This lamp lights when the system is being controlled by the timer QUIET lamp This lamp lights during operation in the QUIET mo
40. conditioner stops and starts or starts and stops at the set times every day For details see Setting the Timer NOTE The indoor fan runs continuously when the system is in normal operation It does not turn off when the desired room temperature is reached If Night Set Back mode is selected the fan will turn off intermittently during cooling operation in order to control air flow OI 809 9 EG Remote Control Unit continued SENSOR button NOTE When you press this button use a small tipped object such as a ballpoint pen the amp mark will appear at the display And the room temperature is detected by the sensor which is built into the indoor unit and the air conditioner is controlled accordingly If the remote control is located near a heat source such as a space heater or in direct sunlight press the SENSOR button to switch to the sensor on the indoor unit Temperature Display Selector button This switches the temperature display between and F Time Display Selector button This switches the time display between 24 hour time and 12 hour time ACL button ALL CLEAR Puts the remote control unit into pre operation status Always press this button after replacing the batteries ADDRESS switch The address switch changes to prevent mixing of signals from remote control units when two air conditioners are installed next to each other Normal
41. d on the front face into the frame 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 8 Attach the thermistor on the grille Fig 17a 1 4 Close the cover and replace the screw Fig 17a 1 5 Affix the grille with the 3 previously removed screws Fig 16b 1 6 Install the air intake grille a Allow the edge of the air intake grille to slide into the top of the indoor unit and then insert it all the way inside Fig 19a 1 b Press the bottom right and left corners and center of the air intake grille to attach it to the indoor unit Fig 19b 1 Attach so that the round pins at the top right and left cor ners of the air intake grille are inserted into the grooves at the top right and left of the indoor unit s Fig 19b 1 Air intake grille Grille z Bu OS gt Fig 16b 1 Cover Thermistor Thermistor OTRAS KOIRIEN RS ISMET ER 7 2222201221 ee afa tabata unn Fig 18b 1 Groove Fig 19a 1 3 5 Shape the Indoor Side T
42. d without removing the grille If access to any internal part is needed follow the steps as given below CAUTION Be sure to wear work gloves during installation to avoid being cut by the sharp aluminum fins of the heat exchanger How to remove the grille 1 Grasp both ends of the air intake grille and remove it by Screw cover BO opening towards the front and pulling towards you Fig 16a 2 Remove the 2 screws Fig 16b Thermistor Remove the screw on the right side cover plate and open the cover Fig 17a 4 Take out the thermistor from the grille Fig 17b 5 Pull the lower part of the grille toward you to remove Fig 18a 6 Use a standard screwdriver to push on the tabs to remove the grille How to replace the grille 1 Reinstall the grille into the lower part while aligning its tabs on the upper part Fig 18b Insert the tabs in the slots and push the lower part of the grille back into position 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 Attach the thermistor on the grille Fig 17a 4 Close the cover and replace the screw Fig 17a 5 Affix the grille with the 2 previously removed screws Fig 16b 6 Install the air intake grille a
43. de ION lamp This lamp lights during operation in the ION mode while the indoor unit is operating mode NOTE The unit s display lamps are dimmed during operation in the NIGHT SETBACK O1 809 6 EG Displayed when the time display is set to 12 hour time Remote Control Unit Display OE OE sensor is in use temperature shown Displayed when transmitting data Displayed when indoor unit Displayed when setting Displayed when temperature is Displayed when setting timer Symbols 1 Operation mode 2 Fan speed Automatic operation 3 Temperature setting 60 86 F When set to 80 F temperature indication O1 809 7 EG rik 4 Timer 24 hour clock with ON OFF program ON Timer OFF Timer 1 hour OFF 5 NIGHT SETBACK 6 Confirmation of transmission 7 Auto flap indication Flap angle indication Sweep indication 8 High power operation 9 Quiet operation 10 ION operation
44. dental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheating at connection points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units 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 In a Ceiling or Wall Make sure the is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten th
45. e To set to 10 30 pm Operation Indication 1 Press the CLOCK button once if the time indicator is not flashing 2 Press the Advance Return a v button until PM 10 30 is displayed 3 Press the CLOCK button again The time indication alone flashes The time can be set in 1 minute increments Holding down the button advances the time rapidly in 10 minute increments This completes the setting of the current time Example To stop the air conditioner at 11 00 am 1 Press the OFF TIME setting button once 2 Press the Advance Return 4 v button until AM 11 00 is displayed 3 Wait a few seconds and then the setting is complete The timer indication is displayed and the present OFF time is shown The timer indication blinks The time can be set in 10 minute increments Holding down the button advances the time rapidly in 10 minute increments The timer indication stops blinking and the present time is displayed OI 809 18 EG Setting the Timer continued 3 How to set the ON time Example To start operation at 7 10 am RE An Operation Indication 1 Press the ON TIME setting The timer indication is button once displayed and the present ON time as s X is shown iss 2 Press the Advance Return 4 The timer indication blinks v button until AM 7 10 is The time can be set in 10 minute displ
46. e Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 3 8 9 52 Refrigerant Tubing Kit Accessories Optional Air Clean Filter Dimensions amp Weight wawa Unit Dimensions Height i i i Package Dimensions Height i i Weight Net Shipping 24 3 11 Shipping Volume cu ft m3 2 82 0 08 DATA SUBJECT TO CHANGE WITHOUT NOTICE 11 Indoor Unit KMHS1872 lt 230V gt Voltage Rating 230V Single Phase 60Hz Performance Capacity BTU h 17 500 20 400 kW 5 15 6 00 Air Circulation High ft min m3 h 500 850 500 850 Moisture Removal High 40 j Airflow Direction Indoor Horizontal vertical Operation Sound Indoor Hi Me Lo Qt dB A 41 38 34 28 40 37 34 28 Qt Quiet mode Refrigerant Narrow tube inch mm Tube Diameter Wide tube inch mm Dimensions amp Weight __ 2 Unit Dimensions Height i i i Package Dimensions Height i i 44 7 8 1 140 i Weight Net Ib kg Shipping Ib kg 33 1 15 0 DATA SUBJECT TO CHANGE WITHOUT NOTICE 12 Indoor Unit KMHS1872 lt 208V gt Voltage Rating 208V Single Phase 60Hz Performance Capacity BTU h 17 500 20 400 kW 5 15 6 00 Air Circulation High ft min m3 h 500 850 500 850 Moisture Removal High 40 j Airflow Direction Indoor Horizontal vertical Operation Sound Indoor Hi Me Lo Qt dB A 41 38 34 28 40 37 34 28 Qt Quiet m
47. e direction of the outdoor unit and then tape as far as the fittings See Caution on page 15 in the outdoor unit installation manual The drain hose should come straight down the wall to a point Cover where water runoff won t stain the wall F Rear panel Refrigerant 4 Connect the refrigerant tubing to the outdoor unit tubing After performing a leak test on the connecting part WX PERRA insulate it with the tubing insulation Fig 37a Also refer to Section 3 6 Tubing connections in the wiring outdoor unit installation manual Drain hose 5 Assemble the refrigerant tubing drain hose and conduit including inter unit wiring as shown in Fig 37b Refrigerant tubing Insulation Fig 37a O oo Conduit R Drain hose Inter unit wiring Fig 37b 13 E Left side tubing 1 Lead the tubing and drain hose through the wall allowing sufficient length for connection Then bend the tubing using a tube bender to make the attach ment Fig 38 Switch the drain hose and drain cap Switching drain hose and drain cap a Locate the drain hose and the drain cap Fig 39 b Remove the screws fastening the drain hose on the right side and pull out the drain hose to remove it Fig 39 c Apply moderate force to pull off the drain cap on the left side If you cannot pull it off by hand use a long nose pliers d Reattach the drain hose to the l
48. e nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run 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 your 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 wiring have been left inside the unit being serviced 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 Table of Contents Page APPLICABLE MULTI OUTDOOR UNITS 4 1 OPERATING RANGE 111 110 torent dn in nin ME ennen en enen ennn 5 2 SPECIFICATIONS 2 1 Unit Specifications 6 2 2 Major Component Specifications denderen iI 16 2 3 Other Component Specifications 21 3 DIMENSIONAL DATA MEEEEEn 0 S 0 4EEESESESnnnnRn 22 4 REFRIGERANT FLOW DIAGR
49. e remote control P unit you can connect the remote control unit to the mount by passing a string through the remote control unit and attachment hole To take out the remote control unit pull it forward Fig 61 17 6 Address Switch 6 1 Address Setting of the Remote Control Unit The address can be set in order to prevent interference between remote controllers when two Sanyo indoor units are installed near each other The address is nor mally set to A To set a different address it is neces sary to change the address on the second remote con troller Once changed you cannot restore the original address setting of the air conditioner 1 Switch on the power source 2 Break the address setting tab marked A on the second remote controller to change the address Fig 62 When the tab is removed the address is automatically set to B Fig 63 8 Press and hold the remote controller ION button and 1 HR TIMER button At the same time press the ACL reset button Use a thin object such as the tip of a pen to press the ACL button When this has been done oP 1 test run appears blinking in the remote controller clock display area 4 Each time the 1 HR TIMER button is pressed the display changes as shown below Press this button 2 times to change the display to oP 7 address setting Fig 64 t T 4 Test run mode Q EE EJ m Ol x 3 Sel
50. eating operation restarts after several minutes This interval will vary slightly depending upon the outdoor temperature and the way in which frost forms For several minutes after the start of heating operation the indoor fan runs at lower speed until the indoor heat exchanger coil has warmed up sufficiently However the fan may remain stopped when the room temperature is low This is because the COLD DRAFT PREVENTION SYSTEM is operating In the event of power failure the unit will stop When the power is resumed the unit will restart automatically within 15 minutes by the remote control unit In heating or cooling operation any plastic parts may expand or shrink due to a sudden temperature change In this event a clicking sound may occur This is normal and the sound will soon disappear The remote control unit sends the setting condition to the air conditioner regularly at five minute intervals 1 How to set the present time 2 How to set the OFF time w DO ju w ES H de R ie men alt 18 Setting the Timer QUIET MODE Cc J FAN SPEED NIGHT SETBACK FLAP HIGH POWER In the descriptions below the following settings are used for the temperature and time indicator selector button on the bottom front section of the remote control Temperature F Time AM PM Exampl
51. ed changes 10 3 7 Wiring Instructions for Inter unit Connections 1 Insert the inter unit wiring according to local codes into the through the wall PVC pipe Run the wiring toward the indoor side allowing approx 10 25 cm to extend from the wall face Fig 24 2 Grasp both ends of the air intake grille and remove it by opening towards the front and pulling towards you 3 Remove the screw on the right side cover plate and open the cover Fig 25 4 Route the inter unit wiring from the back of the indoor unit and pull it toward the front for connec tion Figs 26a and 26b 5 Connect the inter unit wiring to the corresponding terminals on the terminal plate Figs 26a and 26b while referring to the wiring diagram 6 Be sure to secure the wiring with the provided clamp When closing the air intake grille press the bottom right and left corners and center Fig 27 Please refer to How to replace the grille on page 8 or 9 for installing the air intake grille SS Fig 27 Wall Plastic cover Terminal plate Inter unit wiring Lock nut Top of conduit connector Fig 26b 11 AN Loose wiring may cause the terminal to overheat or result in unit malfunction A fire hazard may also exist Therefore be sure all wiring is tightly connected When connecting each power w
52. eft side and the drain cap to the right side Fig 40a Drain hose Slide the drain hose fully onto the drain pan outlet until the drain hose edge is pushed into the insula tion Check that the screw holes in the drain bracket and the drain pan outlet are aligned and securely in contact then fasten them with the screw After attaching the drain hose check that it is attached securely Fig 40c Drain cap Use a Phillips screwdriver to push the drain cap in firmly If it is difficult to push in wet the cap with water first Install the indoor unit on the rear panel Connect the tubing and wiring led inside from out doors After completing a leak test bundle the tubing together with armoring tape and store it inside the tubing storage area at the back of the indoor unit and hold it with clamps Figs 40a and 41 Rear panel C Hole in wall mi A m Bent part Wide tube Narrow tube Fig 38 Drain cap Drain hose Fig 39 Fig 40a Screw hole Drain pan outlet Insulation a Drain bracket Drain bracket Drain hose Drain hose Screw Fig 40c Fig 40b Refrigerant tubing Inter unit wiring Condui 14 To unmount indoor unit Press the 2 A marks on the lower part of the indoor unit and unlatch the tabs Then lift the indoor unit and unmount Fig 42 3
53. elocity 0 angle 30 Axis velocity 30 Room air temp 70 F 21 190 Fan speed High Horizontal distance ft Axis air velocity ft sec Vertical distance ft Flap angle 45 Axis air velocity 45 Flapangle 60 Axis air velocity 60 25 Indoor Unit KMHS0972 Room air temp 80 F 26 7 C 9 Fan speed High Horizontal distance ft 5 10 15 20 25 30 Axis air velocity ft sec Vertical distance ft Flap angle O Axis air velocity 0 Flapangle 30 Axis air velocity 30 Room air temp 70 F 21 1 C Fan speed High Horizontal distance ft 5 10 15 20 25 30 Axis air velocity ft sec Vertical distance ft Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 26 Indoor Unit Axis air velocity ft sec Vertical distance ft Axis air velocity ft sec Vertical distance ft KMHS1272 Room air temp Fan speed Room air temp Fan speed 10 80 F 26 7 High Horizontal distance ft 30 10 15 20 25 Axis air velocity 0 Axis air velocity 30 Flap angle O Flap angle 30 70 21 1 C High Horizontal distance ft 15 20 25 30 P NN P S Ad
54. er pointer must bounce once every 8 lamps on the unit If all 4 are blinking seconds the current mode is TEST run Or instead of measuring the voltage you can insert an LED jig and check that the LED flickers once every 8 seconds If there no problems with the above then check the outdoor unit For the Test run procedure refer to 4 How to Test Run the Air Conditioner on Appendix B 2 Checking the outdoor unit Control Check items unit operation Apply the rated voltage between outdoor The control panel LED red must illuminate unit terminals L1 and L2 Short circuit the outdoor unit COM terminal The compressor fan motor and 4 way valve must all turn on to the T RUN terminal If there are no problems with the above then check the indoor unit Using the TEST T RUN terminals T RUN Test run compressor and fan motor turn ON TEST MV Compresses time to 1 60th accelerates operation by 60 times faster than normal 38 3 How to Identify a Serial Communication Error If the lamps on the main body show the following conditions after the completion of self diagnosis a communication error between the indoor unit and outdoor unit might be considered In such a case identify the breakdown section by using the following procedure Refer to Method of Self Diagnosis for the self diagnosis procedure Quiet Timer Operation gt Off 3 2 1
55. erature F Quantity of Sensor Sensor Name PTM D51H S3 TH1 PTM D51H S3 2 TH1 Indoor heat exchanger sensor 200 180 160 140 120 100 80 60 40 gt Resistance k ohm 20 32 50 68 86 104 122 140 158 176 194 0 10 20 30 40 50 60 70 80 90 Temperature F 21 3 DIMENSIONAL DATA KMHS0772 KMHS0972 KMHS1272 Indoor Unit 81 ze eg asoy 8 11 0 0 Qoo o o Qoo o o Jo Q o 7 5 SI gez ZE ET ZI BEL 26 91 26 S 9 29 6 g e eip eqm SPIM cE GC 8 1 e L Z ee L Z 8 jm 4 x Bleue 7 77 S v T o e U 0 A B C ollo o 0 E zn kelen e 00000 s Gu e Q e el eO o r JE IE Doo 100 00 GEN N a g 8 Z c c Zl 82 2 4 681 91 zee 2 2666 9 26 6 1 c c Z 818 22 2 26 Unit inch mm
56. ernal Controller 47 Over Current Protection Yes Over Heat Protection Yes Run Capacitor VAC Flap Motor Type Mo MP24Z3 Rating DO12V Coil Resistance Ohm Each Pair of Terminal 400 7 Ambient Temp 77 F 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 17 Indoor Unit KMHS1272 Control PCB CB KMHS1272 Control Circuit Fuse 250V 3A Remote Control Unit RCS 4MHVPIS4U Q ty Dia and Length inch mm 1 D3 11 16 L24 31 32 D94 L634 Rough Measure RPM Cool Heat 1 200 1 200 Nominal Output ______ WP _________47 O Coil Resistance Ohm Ambient Temp 68 F 20 C Safety Device Type Internal Controller 47 Over Current Protection Yes Over Heat Protection Yes Run Capacitor VAC Flap Motor Type Mo MP24Z3 Rating DO12V Coil Resistance Ohm Each Pair of Terminal 400 7 Ambient Temp 77 F 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 18 Indoor Unit KMHS1872 Control PCB CB KMHS1872 Control Circuit Fuse 250V 3A Remote Control Unit RCS 4MHVPIS4U Q ty Dia and Length inch mm 1 D3 11 16 L33 9 32 D94 L845 Rough Measure RPM Cool Heat 1 200 1 200 Nominal Output 1 Ww 3 Coil Resistance Ohm Ambient Temp 68 F 20 C Safety Device Type Internal Controller 30 Over Current Protection Yes Over Heat Protection Yes Run Capacitor
57. error in the P C Board in the outdoor unit might be considered Connection error between the P C Board in the outdoor unit and J B What is the self diagnosis result An error in the inter unit wiring might be considered ex wire breaking or connection error etc An error in the inter unit wiring Condition 1 might be considered ex wire breaking or connection error etc An error in the P C Board in the outdoor unit might be considered Connection error between the P C Board in the outdoor unit and J B 39 3 2 Condition E12 1 Disconnect the inter unit wiring on the indoor unit side 2 Operate the system in TEST RUN mode Then five minutes later perform the self diagnosis What is the self diagnosis result Condition EO1 Condition E12 1 Disconnect the inter unit wiring on the outdoor unit side 2 Operate the system in TEST RUN mode Then five minutes later perform the self diagnosis An error in the P C Board in the indoor unit might be considered Terminal board error etc Condition EO1 What is the self diagnosis result Condition E12 An error in the P C Board in the outdoor unit might be considered Connection error between the P C Board in the outdoor unit and J B An error in the inter unit wiring might be considered ex wire bre
58. fdiagnostic mode gt pad Q I 1 Address setting mode d E D oP 7 has now been selected for address setting C Press the ON OFF operation button on the remote controller Fig 64 Check that the beep signal received sound is heard from the second indoor unit approximately 5 times The sound you hear is the signal that the remote controller address has been changed 7 Finally press the remote controller ACL reset but ton to cancel the blinking oP 7 display Fig 64 Changing of the second remote controller address is now completed ACL button AIR CONDITIONER C 1 gua 7 8 amp ime M x lt ON OFF operation button QUIET MODE FAN SPEED NIGHT SETBACK FLAP HIGH POWER ONG TIMER 0 0 CD CANCEL SENSOR 12H4 amp 24H ADR ACL PFUA J UEYHG 7 ACL l Reset Md 7 button Fig 64 18 7 Connecting a Home Automation Device The HA white 4P terminal is located on the indoor unit PCB If a HA device will be used connect it to this terminal 8 Installation Check Sheet The strength of the installation location is sufficient to support the A C weight The indoor and outdoor units are insta
59. ft corners of the air intake grille are inserted into the grooves at the top right and left of the indoor unit O1 809 23 EG 23 Air Clean Filter MNE How to install the air clean filter How to clean the air clean filter NOTE Cleaning the main unit and remote control unit Removing and remounting the air intake grille Washing the grille with water Cleaning the negative ion generator MNE NOTE 24 Care and Cleaning continued The air clean filter removes dust and dirt from the air and reduces odors and smoke from tobacco This air clean filter cannot remove harmful gases or vapors nor ventilate air in the room You must open doors or windows frequently when you use gas or oil heating appliances Otherwise there is a risk of suffocation in extreme cases The air clean filter needs to be installed behind the air intake grille 1 Remove the air intake grille 2 Install the air clean filter in the position shown in the figure 3 Remount the air intake grille mm HEEN BUM Aj Air clean filter LAN In general the filter should be sucked to remove dust in low fan speed of a vacuum cleaner once every three months If there is heavily grime on the filter soak the filter in lukewarm water with neutral detergent diluted 1 500 for 1 to 2 minutes then wash it R
60. inse the filter in clean water then let it dry on the towel in room temperature Do not bend nor give excessive force onto the air clean filter If the filter surface is heavily blocked with dirt or damaged replace it with new one Purchase a replacement filter at your local dealer model STK FDXB Wipe clean using a soft dry cloth To remove stubborn dirt moisten a cloth in warm water no hotter than 104 F wring thoroughly and then wipe The air intake grille can be removed in order to wash it with water Refer to How to remove the anti mold filter and How to replace the anti mold filter on page 23 When using a footstool or the like be careful not to let it tip over Clean the grille gently using a soft sponge or the like Then wipe away any remaining moisture Neutral detergent may be used to remove stubborn dirt Then rinse thoroughly with water and wipe away any remaining moisture Follow the steps below when the generator has become dirty For safety be sure to turn the air conditioner off and also to disconnect the power before 1 N N cleaning Negative ion generator metal electrodes inside plastic case Remove the dust on the negative ion generator Use a toothbrush etc to dust off the end Use a cotton swab etc to clean around the generator inside the plastic case taking care not to touch the electrodes During use the negative ion generator and other
61. ion with the Remote Control Unit continued QUIET Mode is used to reduce the fan sound of the indoor unit Press the QUIET button The mark appears in the display To cancel press QUIET button again n QUIET Mode the fan rotates at a slower speed than the fan speed setting lf the unit is already operating with a very low airflow the fan sound may not change even if the QUIET button is pressed HIGH POWER mode can be used to increase the output of the indoor unit for all operation modes except automatic operation Press the HIGH POWER button The Z mark appears in the display To cancel press HIGH POWER button again When the HIGH POWER button is pressed the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High HIGH POWER Mode cannot be used when the operation mode is Automatic Operation QUIET Mode and HIGH POWER Mode cannot be used at the same time NOTE When set to High fan speed during heating operation the fan runs at High fan speed even though the 7 mark is displayed Depending on the operating conditions the fan speed may be increased by a small amount only The ION mode is used during operation to generate negative ions that freshen up the air in the room Press the ION button The EJ mark appears in the display To cancel press ION button again Theindoor unit s ION lamp lights up
62. ire to the corresponding terminal follow the instructions How to connect wiring to the terminal and fasten the wire securely tight with the fixing screw of the terminal plate How to connect wiring to the terminal a For Indoor Unit 1 Cutthe wire end with a cutting pliers then strip the insulation to expose the wire about 9 32 7 mm See the label Fig 28 near the terminal plate 2 Using a screwdriver loosen the terminal screw on the terminal plate 3 Insert the wire and tighten the terminal screw com pletely using a screwdriver b For Outdoor Unit H For solid core wiring or F cable 1 Cut the wire end with a cutting pliers then strip the insulation to expose the solid wire about 15 16 25 mm Fig 29 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using the pliers bend the solid wire to form a loop suitable for the terminal screw 4 Shape the loop wire properly place it on the termi nal plate and fix it securely with the removed termi nal screw using a screwdriver Bi For stranded wiring 1 Cut the wire end with a cutting pliers then strip the insulation to expose the stranded wiring about 3 8 10 mm and tightly twist the wire ends Figs 30 and 31 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring connector Fig 30
63. is symbol refers to a hazard or unsafe practice which can WARNING result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can CAUTION result in personal injury or prod uct 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 In Case of Improper Installation The manufacturer shall in no way be responsible for improp er installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS WARNING When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and out door u
64. l Unit 22 Care and Cleaning u ue re eet ea e ERR ERR ed En EET E ERR SUR a R R 22 Troubleshooting tere tenete cet e usa cece rene Evae e eode elvat e Red n 25 Operating tue 25 Product Information If you have problems or questions concerning your Air Conditioner you will need the following information Model and serial numbers are on the nameplate on the bottom of the cabinet Model No Serial No Date of purchase Dealer s address Phone number OI 809 3 EG Alert Symbols The following symbols used in this manual alert you to potentially dangerous conditions to users service personnel or the appliance This symbol refers to a hazard or unsafe WARNING practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe N CAUTION practice which can result in personal injury or product or property damage MNE Avoid Installation Location We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit Before installation check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate Do not install this air conditioner where there are fumes or flammable gases or in an extremely humid space such as a greenhouse Do not install the air conditioner where
65. l when you clean these parts 3 The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center OI 809 22 EG Care and Cleaning continued Anti Mold Filter The anti mold filter behind the air intake grille should be checked and cleaned at least once every two weeks How to remove the anti mold 1 Grasp both ends of the air Air intake grille filter intake grille and remove it by opening towards the front and pulling towards you 2 Remove the anti mold filter attached to the rear of the air intake grille Cleaning Use a vacuum cleaner to remove light dust If there is sticky dust on the filter wash the filter in lukewarm soapy water rinse it in clean water and dry it How to replace the anti mold 1 With the FRONT mark of the filter anti mold filter at the front align the two indentions near the mark with the hooks at the rear of the air intake grille and then mount the anti mold filter Anti mold filter 2 Allow the edge of the air intake grille to slide into the top of the Groove indoor unit and then insert it all the way inside Pin Air intake grille 7 3 To attach the air intake grille to Air intake grille the indoor unit press its bottom right and left corners as well as its bottom center into place NOTE Attach so that the round pins at the top right and le
66. le free operation you must Carefully read this instruction booklet 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 WARNING or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard CAUTION 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 In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause acci
67. lled level and vertically The power and voltage are as specified Inter unit cables are securely inserted into the terminal block Inter unit cables are securely fixed The power cord and inter unit cables are not connected anywhere along their paths The ground wire is securely connected Thermal insulation has been applied to the tubing connections Drain connections are secure and water drains properly Putty has been used to close the hole in the wall Remote controller signals are being positively received SANYO Commercial Solutions A Division of SANYO North America Corporation Cornerstone Business Park 1062 Thorndale Avenue Bensenville IL 60106 U S A Sanyo Canada Inc 1 300 Applewood Crescent Concord Ontario L4K 5C7 Aug 2007 T
68. low 2 Eliminate heat source if possible 3 Shut them to keep the heat or cold out 4 Remove it to ensure good airflow 5 Set the temperature lower or higher 6 Consult your dealer or try to use another heat appliance Clicking sound is heard from the air conditioner In heating or cooling operation any plastic parts may expand or shrink due to a sudden temperature change In this event a clicking sound may occur This is normal and the sound will soon disappear OPERATION lamp lights but outdoor unit will not run 1 The use of cellular phones near the air conditioner may cause disturbance to its normal operation 1 Turn off the power then restart the air conditioner after a while 2 Consult your dealer Operating Range The air conditioner is operable within the temperature ranges as listed below Temperature Indoor air temperature Outdoor air temperature COOLING Max 95 F DB 71 F WB 115 F DB Min 67 F DB 57 F WB 67 F DB HEATING Max 80 F DB 67 F WB 75 F DB 65 F WB Min DB WB 0 F DB O1 809 25 EG 25 APPENDIX B INSTALLATION INSTRUCTIONS 50772 50972 51272 51872 52472 1I 852 6 4189 998 00 1 A 2 SANYO For Indoor Unit INSTALLATION INSTRUCTIONS Inverter Split System Air Conditioner cOOL DRY HEAT Model This air condi
69. ly the address switch is set to A For more information please contact the dealer where you made the purchase Normally the tabs on the remote control unit should not be bent NOTE The remote control unit sends the temperature signal to the air conditioner regularly at five minute intervals If the signal from the remote control unit stops for more than 15 minutes due to the loss of the remote control unit or other trouble the air conditioner will switch to the temperature sensor which is built into the indoor unit and control the room temperature In these cases the temperature around the remote control unit may differ from the temperature detected at the air conditioner s position How to Install Batteries FANSPEED NIGHT SETBACK CD HIGH POWER NOTE 10 ACL button Using the Remote Control Unit Slide the cover in the direction indicated by the arrow and remove it Install two AAA alkaline batteries Make sure the batteries point in the direction marked in the battery compartment Use a thin object such as the tip of a pen to press the ACL button The batteries last about six months depending on how much you use the remote control unit Replace the batteries when the remote control unit s display fails to light or when the remote control cannot be used to change the air conditioner s settings Usetwo fresh leak proof type AAA alkaline
70. mperature at whatever level that you find comfortable Automatic and 3 step Fan Speed Auto High Medium Low Air Sweep Control This function moves a flap up and down in the air outlet directing air in a sweeping motion around the room and providing comfort in every corner Auto Flap Control This automatically sets the flap to the optimum position during heating cooling and drying operation Hot Start Heating System Right from the start the air is warm and comfortable This system prevents any cold blasts at the beginning while the heat pump is warming or even defrosting Automatic Restart Function for Power Failure Even when power failure occurs preset programmed operation can be reactivated once power resumes High Power Operation If not in Auto Operation the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High Quiet Operation The fan rotates slower than the fan speed setting to provide a quieter operating sound ION Operation While it is operating the unit generates negative ions that freshen up the air in the room Anti Mold Filter This unit is equipped with an anti mold filter that inhibits the growth of mold and bacteria Air Clean Filter An air filter that eliminates unpleasant odors and cleans the air is available Purchase a replacement filter at your local dealer model STK FDXB OI 809 2 EG Contents Page
71. mperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle heating is needed Setting 4 F 2 C temperature 4 F 2 C IG 30 Press the NIGHT 30 min SETBACK button Time 7 2 Protective Functions H Overload prevention during heating During HEAT operation the temperature of the indoor heat exchanger is used to control the frequency and lessen the load on the compressor before the protective device is activated Indoor heat exchanger A Control start B Control end Approx 127 53 temperature F C Indoor heat exchanger b a Area Automatic capacity control b When Point A has been exceeded the operation frequency is reduced by a certain proportion Area Frequency increase is prohibited At Point B and below overload prevention is ended and control is the same as in the a area B 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 when the temperature of the indoor heat exchanger reaches 46 F 8 C or above 46 8 43 6 36 2 Indoor he
72. n speed gg Low fan speed NIGHT SETBACK button For details see 4 Night Setback Mode When you press this button in the HEAT DRY or COOL mode the mark appears in the display and the remote control unit will automatically adjust the set temperature to save energy FLAP button NOTE Press this button either to select the setting of the airflow direction to the auto flap in each mode or one of the six possible positions manually or to select the sweep function which moves the flap up and down automatically 7 Auto flap setting If selected in a heating operation the flap is set to position 3 in the following chart If selected in a cooling or dry operation the flap is set at position 7 in the following chart The airflow direction can be set manually six positions The flap moves up and down automatically When you press the FLAP button the air flow direction will be changed one by one as follows 2 3 4 5 6 7 8 gt q 55 MN SWEEP HIGH POWER button If this button is pressed during HEAT DRY or COOL operation the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High ON TIME OFF TIME setting buttons No display The timer does not operate The air conditioner starts at the set time OFFS The air conditioner stops at the set time OND The air
73. nd OFF timer are set to the same time the timer operates as if it is turned off NOTE OI 809 19 EG 19 1 1 Hour OFF Timer NOTE 2 Operation together with the DAILY ON OFF REPEAT Timer Using the 1 Hour OFF Timer This function causes the unit to operate for one hour and then stop regardless of whether the unit is on or off when this button is pressed The indicator in the display indicates that this function is operating Setting procedure Regardless of whether the unit is operating or stopped press the 1 HR TIMER button appears in the display Cancellation procedure Press the ON OFF operation button to turn the unit off wait for the unit to stop operating and then press the ON OFF operation button again The 1 Hour Timer function is now cancelled and the unit operates normally f while the 1 Hour Timer function is operating the 1HR TIMER button is pressed once to cancel the function and then again the unit continues to operate for one hour from that point in time and then stops Itis not possible to use the OFF Timer and 1 Hour OFF Timer together Whichever function is set last takes precedence If the 1 HR TIMER button is pressed while the TIMER OFF function operates the OFF Timer is cancelled and the unit will stop operating one hour later The 1 Hour OFF Timer setting is given priority over the DAILY ON OFF REPEAT setting Do not Do 20 Tips for Energ
74. nd outdoor units Connect indoor and outdoor units only in the combi nations listed in the catalog or installation manual N ew Connecting any other model may result in operation failure and system damage Be sure to read the yellow instruction sheet attached to the outdoor unit for models using the new refrigerant R410A DEVICE nico aa 19 NOTE 8 INSTALLATION CHECK SHEET 19 The illustrations are based on the typical appearance of a standard model Consequently the shape may differ from that of the air conditioner that you are installing SANYO Commercial Solutions In Canada A Division of SANYO North America Corporation Cornerstone Business Park 1062 Thorndale Avenue 85264189998001 SANYO 2007 Bensenville IL 60106 U S A SANYO Canada Inc 1 300 Applewood Crescent Concord Ontario LAK 5C7 Canada IMPORTANT Please Read Before Starting This air conditioning system 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 this instruction booklet 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 Th
75. nits Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin alu minum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors When Connecting Refrigerant Tubing Do not add any refrigerant air or substance into the refrigeration circuit other than the designated refrigerant R410A Adding anything other than the specified refrig erant may cause the pressure to rise excessively in the refrigeration circuit rupturing the circuit and causing injury or damage Use all new tubing and flare nuts to make the tubing con nections Using any previous parts from R22 based sys tems may result in damage to the equipment and may lead to the refrigeration circuit rupturing causing a seri ous accident Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run When Servicing Turn the power OFF at the main power box mains before opening the unit to check or rep
76. nted object such as the tip of a pen to press the ACL button When this has been done oP 1 test run appears blinking in the remote controller clock display area Step 2 Next press the 1 HR TIMER button once to change the display from oP 1 to oP 3 self diagnostics The display continues to blink Step 3 Finally press the ON OFF button to engage self diagnostics mode The self diagnostics function utilizes the 3 indicator lamps on the main unit in combinations of ON lamps blinking lamps and OFF lamps to report the existence of sensor trouble or a protective operation The lamps blink or remain ON for 5 seconds then turn OFF for 2 seconds Self diagnostics is completed when the buzzer sounds 3 short beeps A maximum of 3 self diagnostics reports are displayed for 5 seconds each beginning with the most recent report Following this display the lamps turn OFF In order to view the self diagnostics results again press the ON OFF button again The 3 lamps remain OFF if no trouble has occurred IMPORTANT After self diagnostics is completed be sure to press the ACL reset button to return to normal mode The air conditioner will not operate if this is not done 35 Clock display i Test run mode 3 Self diagnostics mode AIR CONDITIONER ____ ON 1 OFF O ON OFF ION NV poelen ION J button button 1HR gt 1HR TIMER button QUIET
77. ode Refrigerant Narrow tube inch mm Tube Diameter Wide tube inch mm Dimensions amp Weight __ 2 Unit Dimensions Height i i i Package Dimensions Height i i 44 7 8 1 140 i Weight Net Ib kg Shipping Ib kg 33 1 15 0 DATA SUBJECT TO CHANGE WITHOUT NOTICE 13 Indoor Unit KMHS2472 lt 230V gt Voltage Rating 230V Single Phase 60Hz Capacity BTU h 24 200 29 000 Ar Circulation High m Moisture Removal High C Pisn 48 T Airflow Direction Indoor Horizontal Vertical Operation Sound Indoor Hi Me Lo Qt dB A 44 41 38 30 43 40 37 30 Qt Quiet mode Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 5 8 15 88 Refrigerant Tubing Kit Accessories Optional Air Clean Filter Dimensions amp Weight M Unit Dimensions Height i i i Package Dimensions Height i i 44 7 8 1 140 i Weight Net Ib kg Shipping Ib kg 33 1 15 0 DATA SUBJECT TO CHANGE WITHOUT NOTICE 14 Indoor Unit KMHS2472 lt 208V gt Voltage Rating 208V Single Phase 60Hz Capacity BTU h 24 200 29 000 Ar Circulation High m Moisture Removal High C Pisn 48 T Airflow Direction Indoor Horizontal Vertical Operation Sound Indoor Hi Me Lo Qt dB A 44 41 38 30 43 40 37 30
78. om temperature is below 59 F 15 C The compressor operation frequency varies The indoor fan operates with 1 f fluctuation The compressor operates at a low operating frequency The indoor fan operates with 1 f fluctuation Monitoring operation takes place when the room temperature is below 59 F 15 C or more than 5 F 3 C below the set temperature When the monitoring range is entered the compressor stops and the indoor fan operates with 1 f fluctuation H control n order to further improve inverter performance control is switched between PWM control at low operation speeds and PAM control at high operation speeds making the most effective use of power 32 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 lt can be set regardless of the temperature and fan speed settings HIGH POWER operation from remote controller The unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High Frequency i Time 30 min 5 min M Start End MAX NOTE When HIGH POWER operation ends the unit operates at low Hz for 5 minutes regardless of the thermostat OFF conditions When in DRY mode operation is in the cooling zone B Lamp colors OPERATION lamp HEAT operation DRY operation COOL
79. on This button is for turning the air conditioner on and off 1 HR TIMER button 1 HOUR OFF TIMER When you press this button regardless of whether the unit is operating or stopping the unit operates for one hour and then shuts down O1 809 8 EG Remote Control Unit continued Temperature setting buttons TEMP Press the 12 button to increase the set temperature Press the C button to reduce the set temperature The temperature setting changes by 1 C or 2 F each time one of the TEMP buttons is pressed QUIET button 199 When you press this button the fan rotates slower than the fan speed setting to provide a quieter operating sound MODE selector button AUTO HEAT DRY COOL NOTE Use this button to select AUTO HEAT DRY or COOL mode The air conditioner calculates the difference between the thermostat setting and room temperature and automatically selects COOL or HEAT mode as appropriate The air conditioner makes the room warmer The air conditioner reduces the humidity in the room sk The air conditioner makes the room cooler When multiple indoor units are used and units in other rooms are already operating they will be set to the same mode of operation as the operating indoor units FAN SPEED selector button The air conditioner automatically decides the fan speeds 83 High fan speed 8 Medium fa
80. operation DEFROSTING operation TIMER lamp QUIET lamp ION lamp H Timer backup Red Orange Green Red and Orange alternately Green Green Green Operation stops if there are no operator controls for 25 hours or longer after unit operation switched from OFF to ON by use of ON timer operation 33 E NIGHT SETBACK When NIGHT SETBACK operation is set the temperature and fan speed settings will be adjusted automatically to allow comfortable sleep When NIGHT SETBACK operation is set mark appears on the remote controller The main unit display lamp also becomes dimmer COOL and DRY modes When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F 1 C when 30 minutes have passed after the selection was made and then another 2 F 1 C after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle cooling is needed 2 F 1 C Setting temperature ii zero Press the NIGHT SETBACK button 30 min 30 min HEAT mode When the night setback mode is selected the air conditioner automatically lowers the temperature setting 4 F 2 C when 30 minutes have passed after the selection was made and then another 4 F 2 C after another 30 minutes have passed regardless of the indoor te
81. ount Allowable Tubing Length Total Tubing Length Difference of Additional Model Tubing Length at shipment L1 L2 L3 or H1 H2 H3 H4 Refrigerant per unit L1 L2 L3 L1 L2 L3 L4 ft oz ft ft L1 L2 L3 L4 ft ft CMH1972 82 150 L1 L2 L3 150 L1 L2 L3 50 CMH2472 82 150 L1 L2 L3 L4 200 L1 L2 L3 L4 50 0 22 CMH3172 100 150 L1 L2 L3 L4 230 L1 L2 L3 L4 50 0 22 If total tubing length becomes 150 to 200 ft Max or 150 to 230 ft Max charge additional refrigerant R410A by 0 22 oz ft No additional charge of compressor oil is necessary For more detailed charging information refer to the Technical amp Service Manual 2 2 Embedding the Tubing and Wiring Before beginning embedding installation work consult fully with agencies or offices related to the building s foundation construction electricity and water Wait to make connections to the embedded portion Each connection step is described later in this manual Securely cover the end of the embedded tubing to prevent intrusion of dirt or moisture If an embedded tube is to be left for a long time fill the tube with nitrogen and seal both ends securely If a tube is left open for an extended time moisture in the air inside the tubing may condense into water droplets and lead to water contamination of the refrig erant circuit In order to prevent insulation breakdown and ground faults do not allow wiring
82. rcuit board failure Outdoor fan operating failure 1 Fan motor failure 2 Contact failure at connector 3 Outdoor circuit board failure Outdoor system communications failure Outdoor high pressure SW OLR operation Outdoor power supply open phase Outdoor coil freezing 1 Mis wiring 2 Blown fuse 3 Power relay failure 4 Open phase 5 Outdoor circuit board failure 6 Compressor failure EE EEKE G X X X pe w X X ege k XE pw DEDE EE X IX X CE X X Freeze prevention operation activated 36 1 Indoor fan system failure 2 Shortage of refrigerant 3 Low temperature operation 2 If the self diagnostics function fails to operate indicators illuminate and the Check the indoor unit indoor fan does not rotate Check the power voltage Blown Is the fuse blown Normal Replace the controller Replace the circuit board or the fuse 37 8 3 Checking the Indoor and Outdoor Units 1 Checking the indoor unit Control Check items unit operation Use the remote controller to operate the The rated voltage must be present between inter unit wirings 1 and 2 unit in TEST mode To determine Connect a 5 ohm resistor between inter unit wirings 2 and 3 When the whether the mode is currently in voltage at both ends is measured approximately 12 to 15V DC must TEST mode check the 4 indicator be output and the multimet
83. select a location where tubing and drain hose have the shortest run to the outside Fig 1 e allow room for operation and maintenance as well as unrestricted air flow around the unit Fig 2 e install the unit within the maximum elevation difference H1 H2 H3 H4 above or below the outdoor unit and within a total tubing length L1 L2 L3 L1 L2 L3 L4 from the outdoor unit as detailed in Table 3 and Fig 3a Indoor unit L Drain hose Outside drainage Fig 1 6 15 cm min 2 5 Front View Fig 2 INDOOR Tubing length L1 UNIT 1 T INDOOR UNIT 2 Elevation L2 difference H1 OUTDOOR H2 UNIT R JU H4 INDOOR INDOOR H3 UNIT 4 L4 UNIT 3 Fig 3a CAUTION Indoor unit Wall For stable operation of the air conditioner do not install wall mounted type indoor units less than 5 1 5 m from floor level Minimum height from floor level 5 1 5 m Floor level Fig 3b Install the indoor unit more than 3 3 1 away from any antenna or power lines or connecting wires used for television radio telephone security system or intercom Electrical noise from any of these sources may affect operation e install in a sturdy manner to avoid increased operating noise Table 3 Max Max Allowable Total Limit of Limit of Elevation Required Am
84. sion picture or the picture is distorted 2 Static occurs in the radio sound 42 Select a separate power source Keep the A C and A C wiring at least 1 meter away from wireless devices and antenna cables Change the wireless device s antenna to a high sensitivity antenna Change the antenna cable to a BS coaxial cable Use a noise filter for the wireless device Use a signal booster APPENDIX INSTRUCTION MANUAL KMHS0772 KMHS0972 KMHS1272 KMHS1872 KMHS2472 O1 852 6 4180 808 00 3 O1 852 6 4180 809 00 3 A 1 Features This air conditioner is an inverter type unit that automatically adjusts capacity as appropriate Details on these functions are provided below refer to these descriptions when using the air conditioner Microprocessor Controlled Operation The interior compartment of the remote control unit contains several features to facilitate automatic operation easy logically displayed for easy use Simple One touch Wireless Remote Control The remote control unit has several features to facilitate automatic operation 24 Hour ON or OFF Timer This timer can be set to automatically turn the unit on or off at any time within a 24 hour period 1 Hour OFF Timer This timer can be set to automatically turn off the unit at any time after one hour Night Setback Pressing this button changes the setting of the room temperature thermostat allowing you to set the te
85. t This is dangerous because the fan is rotating at high speed Do not let children play with the air conditioner Do not cool or heat the room too much if babies or invalids are present O1 809 4 EG Names of Parts Air intakes INDOOR UNIT Air outlet y Remote control unit E Drain hose gt Refrigerant tubes OUTDOOR UNIT Air outlet This illustration is based on the external view of a standard model Consequently the shape may differ from that of the air conditioner which you have selected NOTE This air conditioner consists of an indoor unit and an outdoor unit You can control the air conditioner with the remote control unit Air Intake Air from the room is drawn into this section and passes through air filters which remove dust Air Outlet Conditioned air is blown out of the air conditioner through the air outlet Remote Control Unit The wireless remote control unit controls power ON OFF operation mode selection temperature fan speed timer setting and air sweeping Refrigerant Tubes The indoor and outdoor units are connected by copper tubes through which refrigerant gas flows Drain Hose Moisture in the room condenses and drains off through this hose Outdoor Condensing Unit The outdoor unit contains the compressor fan motor heat exchanger
86. tallation conditions these effects may still occur Please pay attention to the points listed below 1 Noise malfunction This refers to the application of high frequency noise to the signal wires resulting in abnormal signal pulses and malfunction Locations most susceptible to noise Trouble Correction 1 Locations near broadcast stations where there are strong electromagnetic waves 2 Locations near amateur radio short wave stations 3 Locations near electronic sewing machines and arc welding machines 2 Electromagnetic interference Either of the following trouble may occur 1 The unit may stop suddenly during operation 2 Indicator lamps may flicker The fundamental concept is to make the system less susceptible to noise Insulate for noise or distance from the noise source 1 Use shielded wires 2 Move unit away from the noise source This refers to noise generated by high speed switching of the microcomputer and compressor This noise radiates through space and returns to the electric wiring affecting any wireless devices televisions radios etc located nearby Locations most susceptible to noise Trouble Correction 1 A television or radio is located near the A C and A C wiring 2 The antenna cable for a television or radio is located close to the A C and A C wiring 3 Locations where television and radio signals are weak 1 Noise appears in the televi
87. tioner uses the new refrigerant R410A Refrigerant service valve size 5 16 Contents Page IMPORTANT Please Read Before Starting 2 1 GENERAL ettet ee s 3 1 1 Tools Required for Installation not supplied 1 2 Accessories Supplied with Unit 1 3 Optional Copper Tubing Kit 1 4 Type of Copper Tube and Insulation Material 1 5 Additional Materials Required for Installation 2 INSTALLATION SITE SELECTION 4 2 1 Indoor Unit 2 2 Embedding the Tubing and Wiring 3 HOW TO INSTALL THE INDOOR UNIT 6 3 1 Remove the Rear Panel from the Unit 3 2 Make a Hole 3 8 Install the Rear Panel on the Wall 3 4 Remove the Grille to Install the Indoor Unit 3 5 Shape the Indoor Side Tubing 3 6 Wiring Instructions 3 7 Wiring Instructions for Inter unit Connections 3 8 Mounting 3 9 Drain Hose 4 HOW TO TEST RUN THE AIR CONDITIONER 16 5 REMOTE CONTROL UNIT INSTALLATION POSITION reete d 17 5 1 Mounting on a Wall 6 ADDRESS 18 6 1 Address Setting of the Remote Control Unit 7 CONNECTING A HOME AUTOMATION Model Combinations Combine indoor and outdoor units only as listed below Indoor Unit Outdoor Unit KMHS0772 CMH1972 KMHS0972 CMH2472 KMHS1272 CMH3172 KMHS1872 KMHS2472 Power Source 60 Hz single phase 230 208 VAC Combinations of indoor a
88. ubing BI DER ERE 1 Arrangement of tubing by directions Eram a Right or left tubing Cut out the corner of the right left frame with a hacksaw or the like Figs 20 and 21 Left tubing outlet b Right rear or left rear tubing D In this case the corner of the frame need not be cut 2 To mount the indoor unit on the rear panel Fig 20 Hang the 2 mounting slots of the unit on the upper tabs of the rear panel Fig 22 W 3 6 Wiring Instructions Frame General precautions on wiring 1 Before wiring confirm the rated voltage of the unit as Right tubing outlet shown on its nameplate then carry out the wiring E closely following the wiring diagram SE 2 Provide a power outlet to be used exclusively for each unit with a power supply disconnect and cir Fig 21 cuit breaker for overcurrent protection provided in the exclusive line 3 To prevent possible hazard due to insulation failure the unit must be grounded 4 Each wiring connection must be done tightly and in accordance with the wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged 5 Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthoriz
89. used as the receiver below the unit display Each time this button is pressed the OPERATION lamp changes color to indicate the type of operation Select the desired type of operation COOL HEAT p STOP GREEN RED Lamp Off _ The set temperature is 4 F 2 C below the detected room temperature in the case of cooling operation and 4 F 2 C above the room temperature in the case of heating operation The flap and fan speed settings are AUTO Auto Initial Operation Mode Selection Selecting the operation mode When AUTO mode is selected the microprocessor calculates the difference between the set temperature and the room temperature and automatically switches to Cooling or Heating mode Room temp gt Set temp COOL Room temp Set temp gt HEAT Once the mode is selected based on this function the unit will continuously operate at the same mode as initially selected NOTE When multiple indoor units are used and units in other rooms are already operating they will be set to the same mode of operation as the operating indoor units H SENSOR DRY 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 DRY operation DRY operation is as shown in the figure below Load COOL zone A zone B zone Conditions are monitored at all times when the ro
90. utton of the remote controller Fig 59a This starts the fan producing uncooled forced air with the 4 indicator lamps OPERATION lamp TIMER lamp QUIET lamp and ION lamp on the main unit blinking Fig 59c After 3 minutes the system shifts into cooling opera tion and cool air will start to be felt Cool mode test run is unaffected by the room temperature 8 Press the ON OFF operation button of the remote con troller again to stop the test run Fig 59a 4 Finally press the ACL reset button of the remote con troller to release it from Test Run mode to return to nor mal mode Fig 59a se and oP 1 will disappear from the remote con troller display area Troubleshooting In the event that the green Operation Light is blinking upon powering up the system an error condition exists In this case refer to the self diagnostics procedure on the inside of the front cover IMPORTANT After the test run is completed be sure to press the ACL reset button to return to normal mode The air conditioner will not operate correctly if this is not done 16 ION button EIS 2 lar ni 2 um Dx ols px 2 UM AIR CONDITIONER e EE Sa vem 6 EN amp on 5 ON OFF N operation button
91. wiring or conduits are located The above precautions are also applicable if tubing goes through the wall in any other location Left tubing f l Set screw only for transportation Fig 6 Rear panel Fig 7 Right rear tubing Left rear tubing recommended Right tubing Downward tubing Fig 8 KMHS0772 KMHS0972 KMHS1272 2 3 4 70 mm Im ES y 2 0 2 3 8 60 af Fig 9a KMHS1872 KMHS2472 FI y frd Lf Fig 9b 4 Using sabre saw key hole saw or hole cutting drill attachment cut a hole in the wall See Table 4 and Fig 10 Table 4 Hole Dia KMHS0772 0972 1272 2 9 16 65 mm KMHS1872 2472 3 5 32 80 mm 5 Measure the thickness of the wall from the inside edge to the outside edge and cut PVC pipe at a slight angle 1 4 6 mm shorter than the thickness of the wall Fig 11 6 Place the plastic cover over the end of the pipe for indoor side only and insert the pipe in the wall Fig 12 3 3 Install the Rear Panel on the Wall Be sure to confirm that the wall is strong enough to sus pend the unit See either Item a or b below depending on the wall type a If Wooden Wall 1 Attach the rear panel to the wall with the 8 screws provided
92. x OI 809 15 EG Operation with the Remote Control Unit continued Night Setback Mode is used for saving energy Press the NIGHT SETBACK button while operation The mark appears in the display To release the night setback function press the NIGHT SETBACK button again EG When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F when 30 minutes have passed after the selection was made and then another 2 F after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle cooling is needed Setting temperature Ly Press the NIGHT 30 min SETBACK button When the night setback mode is selected the air conditioner automatically lowers the temperature setting 4 F when 30 minutes have passed after the selection was made and then another 4 F after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle heating is needed Setting r temperature gt 30 Press the NIGHT 30 min SETBACK button Time ER 5 QUIET Mode QUIET MODE FAN SPEED NIGHT SETBACK FLAP HIGH POWER 7 ION Mode 16 Operat
93. y Saving Block the air intake and outlet of the unit If they are obstructed the unit will not work well and may be damaged e Letdirect sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the room are warmed by the sun it will take longer to cool the room Always try to keep the air filter clean Refer to Care and Cleaning A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed OI 809 20 EG Adjusting the Airflow Direction 1 Horizontal The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right a SS IZ DA When the humidity is high the vertical vanes should be in the front CAUTION position during the cooling or dehumidifying operation If the vertical vanes are positioned all of the way to the right or left condensation may begin to form around the air vent and drip down 2 Vertical The vertical airflow can be adjusted by moving the flap with the remote control unit Do not move the flap with your hands Confirm that the remote control unit has been turned on Use the FLAP button to set either the sweep function or one of the six airflow direction settings QUIET MODE C D FAN SPEED NIGHT SETBACK FLAP HIGH POWER A Sweep function B Setting the
94. you have lost the remote control unit or it has trouble follow the steps below When the air conditioner is not running Each time the OPERATION button is pressed the type of operation conducted is indicated by the changing color of the OPERATION lamp Press the button and select the lamp color that suits your preference for operation Cooling operation Heating operation p Stop green red lamp off 1 The temperature is set to the room temperature minus 4 F during the cooling operation and to the room temperature plus 4 F during the heating operation and the fan speed and flap are set to Auto NE Casing and Grille Indoor Unit NE 22 Care and Cleaning 1 For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning 2 Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard Clean the casing and grille of the indoor unit with a vacuum cleaner brush or wipe them with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When cleaning the grille be careful not to force the vanes out of place 1 Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe the plastic casing using very hot water 2 Some metal edges and the fins are sharp and may cause injury if handled improperly be especially carefu

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