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Sanyo SAP-KRV94EHDX Air Conditioner User Manual

1. CAUTION 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 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp 32 D B 23 C WB 43 C D B Cooling 19 C DB 14 C WB 15 C DB 27 C DB 24 C DB 18 C WB eatin 9 16 C DB DB 15 6 WB 2 SPECIFICATIONS 2 1 Unit Specifications Indoor Unit SAP KRV94EHDX Outdoor Unit SAP CRV94EHDX Voltage Rating 230 V Capacity kW 2 65 0 9t03 8 3 60 0 9to 5 5 BTU h 9 000 3 100 to 13 000 12 300 3 100 to 18 800 Air Circulation High m h Moisture Removal High 18 Available Voltage Range V Running Amperes Power Input Power Factor 36 35 EER WW 80 COP 59 Compressor Locked Rotor Amperes A Airflow Direction Indoor Horizontal Vertical Operation Sound Indoor Hi Me Lo Qt dB A 39 38 30 22 40 38 30 22 Refrigerant Narrow tubs mm in Tube Diameter Wide tube mm in 9 52 3 8 Refrigerant Tube Kit Ac
2. 14 5 Night Setback 15 6 QUIET CT 16 7 HIGH POWER nia a eoe d eu de ee e ose red senos tua 16 mes m T T 16 S LED OEEAN MOOS meterstanden 16 Special Hemarks oa seio ceret o n onu aas e bake i ors dies 17 Setting the na nns 18 Using the 1 2 3 5 Hour OFF en 20 Tips for Energy Saving esdir nennen cena tenera anna cr sanis 20 Adjusting the Airflow Direction nnn 21 Operation without the Remote Control Unit ann eneen 22 Care and Ee aye 22 G 25 Operalina BST tt 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 DECLARATION OF CONFORMITY This product is marked as it satisfies EEC Directive No 89 336 EEC 73 23 EEC 93 68 EEC and 92 31 EEC This declaration will become void in case of mis usage and or from non observance though partial of Manufacturer s installation and or operating instructions Alert Symbols The following symbols used in this manual alert you to potentially da
3. W MI ANN WW N UN Y AA Air intake Concrete or equal i KW NW SQ 2 i Fig NW Wi NW WW WV AW AN QW z A Wi ON NN WW WW MU 11 f A WW NN UIN 2 N 4 W Fig 5b 23 side Min 25 cm Exhaust fan Heat source Obstacle above Min 2m Air discharge Obstacle Ground Anchor bolts 4 pcs Min 10 cm Cushion rubber 7 2 Recommended Wire Length Diameter Hegulations on wiring diameter differ from locality to locality For field wiring requirements please refer to your local electrical codes Carefully observe these regulations when carrying out the installation Table 2 lists recommended wire lengths and diameters for power supply systems Hefer to the wiring system diagram Fig 6 for the meaning of A B and C in Table 2 Table 2 Cross Sectional A B Power Supply Wiring Length m C Control mE Area mm B Power Line Length m Line Length m Fuse or Circuit Breaker Capacity 15A Nimm e Be sure to comply with local codes on
4. it LEE EE 0 5 10 15 20 Indoor discharge air temperature Indoor discharge air temperature Outdoor inlet air D B temp C Outdoor inlet air temp C e Check each performance value test run mode Electrical performance values represent a combined indoor outdoor value Overload prevention operates to protect the air conditioner when outdoor ambient temperature becomes extremely high in heating mode Refer to 9 2 Overload prevention during heating Points of rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 27 19 W B Heating Indoor air temperature 20 C D B Outdoor air temperature 35 24 W B Outdoor air temperature 7 6 C W B 17 5 2 Air Throw Distance Charts Indoor Unit SAP KRV94EHDX Room air temp 27 Fan speed High Horizontal distance m Axis air velocity m s Vertical distance m no Flap angle 09 Axis air velocity 09 Flap angle 30 Axis air velocity 30 Room air temp 20 Fan speed High Horizontal distance m 1 9 2 5 0 9 gt gt 3 lt gt Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 18 Indoor Unit Room air temp Fan speed Axis air veloc
5. 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 Fluctuation between DC 1 0 to 4 3 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 46 10 4 2 Outdoor Fan Motor e This outdoor 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
6. Outdoor unit controller trouble Replace the controller Reference DC motor connector pin arrangement Pin 1 Vs white Pin 2 Not used Pin 3 Not used Pin 4 Gnd black Pin 5 Vcc red Pin 6 FG blue Pin 7 Vsp yellow Trouble symptom 3 Motor rotates for some time several seconds but then quickly stops when the outdoor unit operates There is trouble in the system that provides feedback of motor rotation speed from the motor to the outdoor unit controller Trouble symptom 4 Fan motor rotation speed does not change during outdoor unit operation Trouble symptom 5 Fan motor rotation speed varies excessively during outdoor unit operation Remedy for symptom 3 to 5 It is not possible to identify whether the trouble is outdoor unit controller trouble or motor trouble Therefore first replace the outdoor unit controller then if necessary replace the DC motor 47 10 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 A noise filter is installed for ordinary use preventing these problems However depending on the installation 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
7. eeh AONVLOVAY 1 00765 466 2 18 nig 19 s 18 HOLOW T13NVd e DHO T B NHA B Hue 18 MS 13NVd HOLSINH3HL 18 jiu AG 1100 BH HOLSINHIHL aw DHO 18 B HOLSINYSHL 13A a SI HOLON NV4 LHM 414 nig DAYA 1491 a SOLON gt 1HOIH 1331 LHM H3MO HOLOW dias JNIVA AYME a E E LINN AN M 3 ae HOLON Kx ae IHOM L 3T HOLVHOdWAa 22 mal AHD AS AHO u3ddn 5 AHD HOLOW dv14 ARE AHD T 3lvid HLHV3 HOIVHOdVA3 G5 13A NH9 TANNHD E ee LHM OH Ba SU AlddNS 0 5 0 IVNIINH3 L XQH3t2LAHO XGHIP6AHD HVS HUN JOOPINO xog LNIOF XQH3re LAHM XGHIP6AHM HVS HUN JOOPUJ 21 7 INSTALLATION INSTRUCTIONS 7 1 Installation Site Selection 7 1 1 Indoor Unit NE To prevent abnormal heat generation and the possibility of fire do not place obstacles enclosures and grilles in front of or surrounding the air
8. Heater 2422 Propeller Q ty Dia mm 1 0420 NoofPoes LER Coil Resistance Ohm HED WHT 77 5 Ambient Temp 20 C WHT BLU 77 5 BLU RED 77 5 Safety Device Type Internal Controller Over Current Protection Run Capacitor INS Heat Exchanger Coil Coil Aluminum Plate Fin Copper Tube Rows Fin Pitch mm Face Area m 0 452 ExemalFinish O O Acrylic baked on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 3 Other Component Specifications Indoor Unit Outdoor Unit gt Resistance ohm SAP KRV94EHDX SAP KRV124EHDX SAP CRV94EHDX SAP CRV124EHDX Indoor air temp sensor Model DTN TKS223Y TH1 PNP 10 15 20 gt Temperature 25 30 35 40 Humidity sensor Model C10 M52R S Y 30 35 40 45 50 55 60 65 70 75 80 85 90 Relative Humidity RH gt Resistance ohm 12 Indoor heat exchanger sensor Model DTN TKS223Y TH2 Compressor temp sensor Model 1FA4V2E033800 AGRI A 160 Ad 140 BEL NIE sees E S Te ES IN 80 LLLLLLNLLLLELLLLLLLLA a Etc PS Gl EEI pe a a a o LLL TITTLE Tr 0 10 20 30 40 50 60 70 80 90 gt Temperature C Suction temp sensor M
9. Outdoor system communications failure 1 Miswiring in inter unit 2 Outdoor circuit board failure E13 Freeze prevention operation activated 1 Indoor fan system failure 2 Shortage of refrigerant 3 Low temperature operation If the operation lamp orange continues to blink immediately after when the power source has been supplied to the air conditioner there might be trouble with the external ROM E14 in the indoor unit 3 X 5 Humidity sensor failure Compressor temperature sensor failure e SH Suction sensor failure x Outdoor heat exchanger sensor failure Outdoor air temperature sensor failure Electrical current detection failure 1 Operating frequency is 45 Hz or higher and less than 0 5 A of current is flowing Indoor outdoor communications failure DAGMAR 2 AC power failure 3 Blown fuse 4 Power relay failure serial communications 5 Indoor or des circuit board Te 1 HIC or power Tr failure 2 Outdoor fan does not turn 3 Instantaneous power outage Le HIC circuit failure ep bebe x exe Lt iet Service valve not opened 5 Outdoor fan blocked 6 Continuous overload operation 7 Compressor failure 8 Outdoor circuit board failure Lt Lt Lt 34 Locked fan motor 2 Contact failure at connector Noise jekk power blackout or power waveform error due to lightning or other factor 4 way valve f
10. To prevent conditioned air from escaping keep windows doors and any other openings closed Ol 791 20 EG Adjusting the Airflow Direction The horizontal and vertical airflow can be adjusted by moving the vertical vanes and the flap with the remote control unit Confirm that the remote control unit has been turned on Use the FLAP button to set either the sweep function or EG one of the six airflow direction settings NIGHT SETBACK FLAP FAN SPEED SENSOR vanes are positioned all of the way to the right or left condensation may begin to form around the air vent and drip down When the humidity is high the vertical vanes should be in the front A CAUTION position during the cooling or dehumidifying operation If the vertical 1 Horizontal 1 2 9 M mmm e O4 9 9M gt A IN Auto Wide Sweep A Sweep function The vertical vanes move left and right to deliver air over the sweep range B Setting the airflow manually M Referring to above illustration use the FLAP button to set the airflow direction within the range used during the heating cooling or dehumidifying operation C Auto flap function M mem lhe flap is set to the recommended position VA 2 Vertical Sweep function The flap starts moving and down 71 to deliver air over the sweep range B Setting the airflow manually Referring to the above illus
11. d ms Turn the hose zm hose 29 8 3 Removing the Electrical Component Box Before replacing the P C Board with another remove the electrical component box from the main body and its cover plate 1 Remove the grille 2 Prior to remove the electrical component box carry out the following 2 1 Remove the operating box of the main body and electrical component box pad plate 1 2 2 Disconnect all the connectors located on the P C Board 2 3 Take wiring out of the electrical component box 2 4 Fold down the electrical component box pad plate 2 forward Removing the grille and remove the electromagnetic valve coil connector Fully open the front panel pulls the front 2 5 Remove the temperature humidity sensor PAITAAN the arm and remove the front panel Remove the screw on top right of the main body Also remove the screw found when the screw cover is opened Push three tabs on top side of the Temperature ornamental panel to remove them Humidity sensor Pull the grille forward to remove it as it is Electrical component box pad plate 2 Electromagnetic valve coil connector i P C Board lp Electrical AW A component box Connectors P d NS Operating box Electrical component box pad plate 1 Heat exchanger sensor 425 e SS Inter unit 5 SS B wiring Ground wire te
12. 2 Replace compressor OK 3 Check for sealing OK 4 Evacuation OK b Recharge Length of tubing Less than 10 meters More than 10 meters More than 10 minutes More than 15 minutes 56 5 Recharging Configuration and characteristics of cylinders e Be sure to charge the specified amount of Valve refrigerant in liquid state using the service port of the wide tube service valve The proper amount is listed on the unit s nameplate When the entire amount cannot be charged all at once charge gradually while operating the unit in Cooling Operation CAUTION Never charge a large amount of liquid refrigerant at once to the unit This may cause damage to the compressor AS Single valve Charge liquid refrigerant with cylinder in up side down position When charging with a refrigerant cylinder use an electronic scale for charging refrigerant In this Fig 1 case if the volume of refrigerant in the cylinder becomes less than 20 of the fully charged Waive amount the composition of the refrigerant starts to change Thus do not use the refrigerant if the amount in the charging cylinder is less than 20 Also charge the minimum necessary amount to the charging cylinder before using it to charge the air conditioning unit Example In case of charging refrigerant to a unit requiring N using a capacity of a 10Kg HIS Single valve with siphon tube minimum necessary amount for the cylinder is Charge
13. TEST Mode button Cooling operation Heating operation Stop green red lamp off OPERATION lamp The temperature is set to the room temperature minus 2 C during the cooling operation and to the room temperature plus 2 C during the heating operation and the fan speed and flap are set to Auto CAUTION For normal operation do not set to TEST mode which is used only for servicing the air conditioner Care and Cleaning 1 For safety be sure to turn the air conditioner off and also to WARNING 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 Casing and Grille Indoor Unit 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 CAUTION Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe the plastic casing using very hot water Some metal edges and the fins are sharp and may cause injury if handled improperly be especially careful when you clean these parts The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center Removing the front panel
14. Panel motor connector Electrical component box cover For details see 8 3 Removing the electrical component box in Maintenance section 3 Measuring coil resistance of the panel motor Carry out measurement of the resistances as listed below Coil Resistance Ambient Temp 25 C RED ORG RED PNK 130 4 7 BRN YEL BRN BLU Judgment When a measured coil resistance deviates from any of the listed values replace the panel motor with new one 50 11 CHECKING ELECTRICAL COMPONENTS 11 1 Measurement of Insulation Resistance e The insulation is in good condition if the resistance exceeds 1M ohm 11 1 1 Power Supply Cord Clamp the grounding wire of power cord with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the two power wires Fig 1 Then also measure the resistance between the grounding and other power terminals Fig 1 11 1 2 Indoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw where power supply lines are connected on the terminal plate Fig 2 11 1 3 Outdoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw on the terminal plate Fig 2 Note that the ground line t
15. 30 When set to 28 C temperature indication 4 Timer 24 hour clock with ON OFF program Timer LL Lc ON Timer nnnm ON OFF Timer neee OFF d Ol 791 7 EG 08896 Displayed when transmitting data En pen mjn Displayed when indoor unit sensor is in use Displayed when temperature is shown Displayed when setting timer 7 Auto flap left right WIC ANON A angle indication Sweep indication mue 8 Auto flap up down Flap angle indication Sweep indication oN 9 High power operation 10 Indoor unit sensor N 11 Child lock ooi tos 12 ION operation 13 LED clean operation 14 Quiet operation Remote Control Unit Transmitter Sensor SENSOR ecce SENSOR AIR CONDITIONER AIR CONDITIONER DAWAR mmn pui SETTEMP SSA SE LU Display e Viri NIGHT E t A SETBACK 207 LED button ION CLEAN button button 37 ON OFF operation i O w C button FAN SPEED LADDER button A vazen HIGH POWER selector button CANCEL button TEMPN Co button SENSOR button CHILD LOCK button 1 2 3 5HR ON TIME Advance Advance O
16. AUTO cooling heating operation the mode changes between Heating and Cooling mode according to changes in the relationship between the current room temperature and the set temperature Example of operation in AUTO mode with the set room temperature at 23 C Room temp Set temp Compressor 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 Conditions are monitored at all times when the room temperature is below 152 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 15 C or more than 3 C below the set temperature When the monitoring range is entered the compressor stops and the indoor fan operates with 1 f fluctuation The Sensor Dry operation during the Low Ambient Cooling Mode outside air temperature 15 C or lower is as follows The compressor operates a cycle of 3 minutes ON and 6 minutes OFF repeatedly PAM o control n order to further improve inverter performance control is switched between PWM control at low operation speeds and PAM control at hi
17. a more or less horizontal position 2 While aligning both edges of the grille with the frame move the panel horizontally and insert the top and bottom into the frame 3 Press the air outlet firmly with your hand to ensure no gap exists between the main unit and grille 4 Tighten the screws and close the screw covers b Grasp the sections near the front panel arms on both sides hold the front panel so that it is nearly horizontal bring the arm shafts into contact with the top of the grooves on the right and left sides of the air conditioner and then push firmly until the arm shafts click into place Fig 11 6 After closing the front panel press firmly on the parts indicated by the arrows to securely fasten the panel in place Fig 12 Check that no gap exists between the main unit and grille 27 Front panel Front panel Flap Screw cover Fig 10 Fig 11 8 8 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 normally set to A To set a different address it is necessary to change the address on the second remote controller Once changed you cannot restore the original address setting of the air conditioner Switching the remote con
18. all indicator lamps begin blinking Figs 8a and 8c e If the outdoor unit has not started approximately 5 minutes after the start of the test run execute self TEST RUN button diagnostics E TR To execute self diagnostics while the unit is stopped neren JO press and hold down the TEST RUN button until beep l is heard Self diagnostics begins when the TEST RUN button is released 3 Press the ON OFF operation button to end the test run At this time operation from the remote controller becomes possible ON OFF operation button Fig 8b INS E LED i lamp lamp ION lamp TIMER lamp FILTER lamp Fig 8c 26 7 5 Remove the Grille to Install the Indoor Unit Basically these models can be installed and wired without removing the grille If access to any internal part is needed follow the steps as given below How to remove the grille 1 Open the front panel until it is nearly horizontal grasp the sections near the front panel arms on both sides and then pull forward to remove the front panel Fig 9 2 Remove the screw from the top right of the main unit Also remove the screws where the screw covers are open Fig 10 3 Press the 3 tabs on the top of the grille to disengage them Fig 10 4 Pull the grille toward you to remove it Fig 10 How to replace the grille 1 Insert the bottom of the grille into the flap with the flap at
19. drain pan Air Outlet Ass y Negative ion electrodes p s O 5 Negative ion P C Board Le Remove the lead in wire connector Zl js a y 9 Wo lt This connector was disconnected from the P C Board of the electrical component box Drain pan Air Outlet Ass y d Y Pd Negative ion P C Board Negative ion electrodes l 1 1 Scope of service supply l L J 4 gt gt IS j 7 A e e 5 O 2 Cables cannot removed unless this part is removed ic cca l VO m Negative ion electrodes Remove the ring Cx connector N JA The negative ion generator is supplied lc BE 7 with set of negative ion electrodes and qc bel negative ion P C Board 35 8 7 Removing and Mounting the Fan Motor 8 7 1 Removing the Fan Motor Hemowve the electrical component box cover according to the previous section 1 Loosen the fan mounting screw with a hex wrench of 2 5mm opposite side distance 2 Remove three screws which secure the fan motor 3 While removing the fan motor mounting bracket pull out the fan motor shaft as well 4 Remove the tab of the fan motor bracket and separate into two parts 8 7 2 Mounting the Fan Motor To mount the fan motor reverse the steps for removal Fan mounting screw Fan ma H
20. for R410A Prevent oxide film from forming inside the tubes utilizing substitution with nitrogen N2 in the refrigerant circuit of the unit Leave ends of tubes open during welding 4 Checking for sealing Use nitrogen gas for the pressurized gas and never use a refrigerant other than R410A Also do not use oxygen or any flammable gas 5 Evacuation e Use a solenoid valve installed vacuum pump so that even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back e The equipment may be damaged if moisture remains in the tubing thus carry out the evacuation thoroughly e When using a vacuum pump with exhaust air volume more than 25L min and ultimate vacuum pressure rate of 0 05Torr Standard time for evacuation 1 Detect leaks OK 2 Recover refrigerant OK 3 Weld leaking points OK 4 Check for sealing OK 5 Evacuation OK 6 Recharge Length of tubing Less than 10 meters More than 10 meters More than 10 minutes More than 15 minutes 6 Recharging e Recharge unit in the same manner explained on the previous page 5 Recharging 58 12 7 Charging Additional Refrigerant 12 7 1 When Tubes are Extended Observe the proper amount of refrigerant as stated in this service manual or the installation manual that came with the indoor unit Charge additional refrigerant in liquid state only N
21. indoor temperature is 15 C or less Heating Operation Heating performance 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 Defrosting 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 red and orange alternately until defrosting is completed Heating operation restarts after several minutes This interval will vary slightly depending upon the outdoor temperature and the way in which frost forms OPERATION lamp Cold draft prevention For several minutes after the start of heating operation the indoor fan runs at a 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 in operation Cooling sk Operation Sometimes the indoor unit may not get to the set fan speed such as LOW and QUIET under cool operation at very low outdoor temperatures due to the indoor unit being protected from ice or frost Power failure during
22. negative ions that freshen up the air in the room Press the ION button The 8 mark appears in the display To cancel press ION button again The indoor units ION lamp lights up while negative ions are being generated e is the remote control unit s initial setting he negative ions are generated from the negative ion generator In LED CLEAN mode a UV anti bacterial unit including a LED CLEAN lamp and anti bacterial filter in the indoor unit is used during AUTO HEAT DRY COOL or FAN operation to remove bacteria from air blown from the air conditioner Press the LED CLEAN button The MEN mark appears in the display To cancel press the LED CLEAN button again e When the LED CLEAN button is pressed the UV anti bacterial unit operates for one hour and cleans air blown from the air conditioner NOTE Pressing the MODE selector button cancels LED CLEAN mode Do not open the front panel while the LED CLEAN lamp on the display is on e Depending on the room brightness light from the LED CLEAN lamp may reflect inside the air conditioner and be visible This is not a malfunction Ol 791 16 EG opecial Remarks How it works the room temperature reaches the level that was set the unit s operation frequency is changed automatically e During DRY operation the fan speed is automatically set to Low speed for providing a comfortable breeze e DRY operation is not possible if the
23. the motor e To perform diagnosis follow the instructions in Checking the Outdoor Unit on the previous page and set the outdoor unit to Test mode compressor ON outdoor fan motor ON Important A Turn OFF the power before connecting or disconnecting the motor connectors B When performing voltage measurement at the outdoor controller connector for 3 in the table below the DC motor will trip and voltage output will stop approximately 10 seconds after operation is started For this reason to measure the voltage again first turn OFF the outdoor unit power then follow the instructions in Checking the Outdoor Unit and again set the unit to Test Run mode Trouble symptom 1 The fan does not stop when the outdoor unit stops Outdoor unit controller trouble Trouble symptom 2 The fan motor does not rotate when the outdoor unit is operating Diagnostic procedure Disconnect the motor connectors and measure the voltage at the DC motor connectors on the outdoor unit controller 3 locations Measurement location 1 Vs Gnd Between pin 1 and pin 4 DC 230 V or more 2 Vcc Gnd Between pin 5 and pin 4 DC 14 V or more 3 Vsp Gnd Between pin 7 and pin 4 After fluctuating 4 times between DC 1 0 to 4 3 V 1 sec ON and DC 0 V 1 sec OFF the DC motor trips 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
24. the red FILTER ION lamp lights as follows The FILTER ION indicator lamp lights after 250 operation hours The indication will beep 4 times before the FILTER ION lamp flashes for 6 seconds after another 125 375 total operation hours indicating the anti mold filter should again be checked and cleaned If you want to turn the FILTER ION lamp off or on after cleaning the anti mold filter press the FILTER RESET button in the indoor unit with a small pointed tool How to remove the anti mold 1 Open the front panel Air clean filter filter until it is nearly horizontal grasp the sections near the front panel arms on both sides and then pull forward to remove the front panel 2 Remove the anti mold filter attached to the rear of the front panel 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 Insert the top of the anti filter mold filter align the two 1 indentions with the center SUR hook at bottom then mount i l H Anti mold filter the filter into place indention center hook 2 Press the locations marked by the arrows and close the Front panel front panel Ol 791 23 EG 23 Air Clean Filter How to install the air clean filter How to clean the air clean
25. to the signal wires resulting in abnormal signal pulses and malfunction 1 Locations near broadcast stations where Either of the following trouble may occur The fundamental concept is to make the there are strong electromagnetic waves 1 The unit may stop suddenly during system less susceptible to noise 2 Locations near amateur radio short wave operation Insulate for noise or stations 2 Indicator lamps may flicker distance from the noise source 3 Locations near electronic sewing machines 1 Use shielded wires and arc welding machines 2 Move unit away from the noise source 2 Electromagnetic interference 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 1 A television or radio is located near the 1 Noise appears in the television picture 1 Select a separate power source A C and A C wiring or the picture is distorted Keep the A C and A C wiring at least 1 meter 2 The antenna cable for a television or 2 Static occurs in the radio sound away from wireless devices and antenna cables is located close to the A C and A C Change the wireless device s antenna to a high WANY sensitivity antenna 3 Locations where television and radio Change the antenna cable to a BS coaxial cable signals are weak Use a noise fil
26. 3 or 5 hours 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 2 3 5 hour function is now cancelled and the unit operates normally If while the 1 2 3 5 Hour Timer function is operating the 1 2 3 5 hour Timer button is pressed once to cancel the function and then again the unit continues to operate for the desired number of hours from that point in time and then stops e tis not possible to use the OFF Timer and 1 2 3 5 Hour OFF Timer together Whichever function is set last takes precedence If the 1 2 3 5 Hour TIMER button is pressed while the TIMER OFF function operates the OFF Timer is cancelled and the unit will stop operating the desired number of hours later The 1 2 3 5 Hour OFF Timer setting is given priority over the DAILY ON OFF setting when EVERYDAY of the TIMER selector button is set except for the ON TIMER function of the ONE TIME setting Tips for Energy 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 Let direct 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 e Always try to keep the air filter clean Refer to Care and Cleaning clogged filter will impair the performance of the unit
27. ATING Max Min Ol 791 25 EG 25 SANYO SANYO Electrric co Ltd Osaka Japan Sept 2005 Printed in Japan T
28. Behind a curtain or other places where it is covered e More than 8 away from the air conditioner e the path of the air conditioners airstream e Where it may become extremely hot or cold e Where it may be subject to electrical or magnetic noise e 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 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 Remote control unit mount Mounting screws 4 x 16 included e When using the remote control unit and during air conditioner operation the transmitter on the remote control unit should be pointed toward the receiver on the indoor unit e Make sure that there are no objects between the remote control unit and receiver which could block the signal b 7 OS b Operation with the Remote Control Unit 1 Automatic Operation This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting ENSOR pau AIR CONDITIONER NIGHT SETBACK FANSPEED SENSOR NOTE Check that the circuit breaker on the power
29. FFTIME TIMER setting 4 CJ l setting butt utton buttons L Return Dr Return buttons Temperature TIMER selector setting button button CLOCK Time Temperature button display display Cover closed selector selector button button Cover opened lt Cover closed gt 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 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 This button is for turning the negative ions generated during operation on and off ON OFF operation button This button is for turning the air conditioner on and off 1 2 3 5HR TIMER button o When you press this button regardless of whether the unit is on or off 1 2 3 5 HOUR OFF TIMER the unit operates for 1 2 3 or 5 hours and then shuts down LED CLEAN button If this button is pressed during AUTO HEAT DRY COOL or FAN operation the UV anti bacterial unit is activated for one hour and cleans the air blown from the air conditioner HIGH POWER button 7 If this button is pressed during HEAT DRY COOL or FAN operation the unit operates at maximum output for 30 minutes r
30. HDX Control PCB CB CRV94EHDX Control Circuit Fuse 250V 25A Compressor DC Twin Rotary Hermetic Compressor Model Nominal Output C 6RVN93HOQ 1 050W Compressor Oil Amount CC FV50S 350 Coil Resistance Ambient Temp 20 C Ohm Safety Device CT Peak current cut off control Compressor Discharge Temp Contro Operation cut off control in abnormal ambient Temp Run Capacitor O yS Heater 2422 Propeller Q ty Dia mm 1 0420 NoofPoes LER Coil Resistance Ohm HED WHT 77 5 Ambient Temp 20 C WHT BLU 77 5 BLU RED 77 5 Safety Device Type Internal Controller Over Current Protection Run Capacitor MooF Heat Exchanger Coil Coil Aluminum Plate Fin Copper Tube Rows Fin Pitch mm Face Area m 0 452 ExemalFinish O O Acrylic baked on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE Outdoor Unit SAP CRV124EHDX Control PCB CB CRV124EHDX Control Circuit Fuse 250V 25A Compressor DC Twin Rotary Hermetic Compressor Model Nominal Output C 6RVN93HOQ 1 050W Compressor Oil Amount CC FV50S 350 Coil Resistance Ambient Temp 20 C Ohm Safety Device CT Peak current cut off control Compressor Discharge Temp Contro Operation cut off control in abnormal ambient Temp Run Capacitor O yS
31. Inthe event of power failure the unit will stop When the power is operation resumed the unit will restart automatically within five minutes by the remote control unit Clicking Sound Clicking sound is heard from In heating or cooling operation any plastic parts may expand or shrink due the air conditioner to a sudden temperature change In this event a clicking sound may occur This is normal and the sound will soon disappear Remote Control Unit The remote control unit sends the setting condition signals to the air conditioner regularly at five minute intervals Ol 791 17 EG 17 Setting the Timer LED CLEAN FLAP 659 gt 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 1 How to set the present Example To set to 22 30 time Operation Indication Press the CLOCK button once if The time indication alone flashes the time indicator is not flashing Press the Advance Return The time can be set in 1 minute button until 22 30 is increments Holding down the displayed button advances the time rapidly in 10 minute increments Press the CLOCK button again This completes the setting of the current time 2 How to set the OFF time Example To stop the air conditioner at 20 00 1 Press the OFF TIME set
32. TECHNICAL amp SERVICE MANUAL SANYO SAP KRV94EHDX SAP CRV94EHDX SAP KRV124EHDX SAP CRV124EHDX Destination Europe Northern Europe DC INVERTER SPLIT SYSTEM AIR CONDITIONER Indoor Model No Product Code No Outdoor Model No Product Code No SAP KRV94EHDX 1 852 099 77 SAP CRV94EHDX 1 852 330 10 SAP KRV124EHDX 1 852 099 78 SAP CRV124EHDX SAP KRV94EHDX SAP CRV94EHDX SAP KRV124EHDX SAP CRV124EHDX IMPORTANT These air conditioners employ new refrigerant R410A Pay special attention when servicing the unit n410A REFERENCE SM700639 Table of Contents Page 1 OPERATING RANGE iion torpe poa annota keith a hort dure bu pers Rd 5 2 SPECIFICATIONS 2 1 Unit Spectications nnee 6 2 2 Major Component Specifications 8 2 3 Other Component Specifications seb 12 3 DIMENSIONAL DATA 13 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram o TTE 15 5 PERFORMANCE DATA Sel Temperature 1080 lE 16 5 2 Throw Distance Charts 18 6 ELECTRICAL DATA 6 1 Electrical Characteristics 20 O22 Elecinc WING Diagrama l 21 7 INSTALLATION INSTRUCTIONS 7 1 Installation Site Selection A l 22 7 2 Recommended Wire Length and Diameter 24 7 3 Remote Control Unit Insta
33. When the night setback mode is selected the air conditioner automatically raises the temperature setting 1 C when 30 minutes have passed after the selection was made and then another 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 Setting temperature Press the NIGHT SETBACK button 30 min 30 min Time e HEAT mode When the night setback mode is selected the air conditioner automatically lowers the temperature setting 2 C when 30 minutes have passed after the selection was made and then another 2 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 heating is needed Setting temperature Press the NIGHT SETBACK button 30 min 30 min Time 9 2 Protective Functions 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 Indoor heat exchanger temperature a Area Automatic capacity control b When Point A has been exceeded the operation freq
34. ailure heat pump model only Indoor heat exchanger temperature sensor disconnected men eese nn 44 2 If the self diagnostics function fails to operate No 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 circuit Replace the controller board or the fuse 10 3 Checking the Indoor and Outdoor Units 1 Checking the indoor unit Nol 7 Check teme unit operation 1 Press EMERGENCY OPERATION button The rated voltage must be present between inter unit wirings 1 and 2 of main unit controller or start operation Connect a 5 kohm resistor between inter unit cables 2 and 3 When the using the remote controller voltage at both ends is measured approximately 12 to 15 V DC must be output and the multimeter pointer must bounce once every 8 Press and hold the TEST RUN button seconds on the main unit controller until the buzzer Or instead of measuring the voltage you can insert an LED jig and sounds 1 time check that the LED flickers once every 8 seconds e If there no problems with the above then check the outdoor unit 2 Checking the outdoor unit No Check items unit operation 1 Apply the rated voltage between outdoor The control panel LED red must illuminate unit terminals 1 and 2 2 Short circuit the outdoor unit COM terminal The comp
35. 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 unit 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 Ol 791 4 EG Names of Parts Air intakes INDOOR UNIT NN m Air outlet 5 Drain hose 00 Refrigerant tubes OUTDOOR UNIT Air outlet pamm NOTE 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 This air conditioner consists of an indoor unit and an outdoor unit You can control the air conditio
36. an speed NIGHT SETBACK button For details see 5 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 Press the button either to select the setting of the airflow direction to up down auto flap in each mode or to one of the six possible positions from 2 to 7 or to select the sweep function which moves the flap up and down automatically B 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 he airflow direction can be set at six positions from 2 to 7 flap moves up and down automatically When you press the button the air flow direction will change one by one as follows 1 2 3 4 5 6 7 8 u ep cw d OW ra Mg ee sweep FLAP button Press the 4 button either to select the setting of the airflow direction to left right auto flap in each mode or to one of the six possible positions from 2 to 7 or to select the sweep function which moves the flap left and right automatically Auto flap setting The flap is set at position 4 in the following chart i The airflow direction can be set at six positions from 2 to 7 Th
37. ay 1 2 3 5 Hour OFF Timer This timer can be set to automatically turn off the unit any time after 1 2 3 or 5 hours Night Setback Pressing this button changes the setting of the room temperature thermostat allowing you to set the temperature 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 left and right 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 Automatic Switching between Cooling and Heating This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting Hot Start Heating System Hight from the start the air is warm and comfortable This system prevents any cold blasts at the beginning while the heat pump is warming up 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 set
38. cessories Optional Air Clean Filter Dimensions amp Weight Unit Dimensions Height Package Dimensions Height Weight Net Shipping Shipping Volume m 0 098 DATA SUBJECT TO CHANGE WITHOUT NOTICE Remarks Rating conditions Cooling Indoor air temperature 27 D B 19 C W B Outdoor air temperature 35 24 W B Heating Indoor air temperature 20 C D B Outdoor air temperature 7 C 6 C W B 6 Indoor Unit SAP KRV124EHDX Outdoor Unit SAP CRV124EHDX Voltage Rating 230 V Capacity kW 3 50 0 9 to 4 2 4 80 0 9to 6 0 BTU h 11 900 3 100 to 14 300 16 400 3 100 to 20 500 Air Circulation High mih Moisture Removal Desh 20 o Y PED EER WL con OT Airflow Direction Indoor Horizontal Vertical 2 Sound Indoor dB A 40 ds 5 30 22 41 di 30 22 Mec ng gh a RE mA Refrigerant Narrow tube mm in Tube Diameter Wide tube mm in 9 52 es Refrigerant Tube Kit Accessories Optional Air Clean Filter Unit Dimensions Height Package Dimensions Height 360 386 Weight Net Shipping kg DATA SUBJECT TO CHANGE WITHOUT NOTICE Remarks Rating conditions are Cooling Indoor air temperature 27 19 C W B Outdoor air temperature 35 24 W B Heating Indoor air temperature 20 D B Outdoor air temperature 7 C 6 C W B 7 2 2 Major Component Specifications 2 2 1 Indoor Unit Indoor Un
39. cloth e To remove stubborn dirt moisten a cloth in warm water no hotter than 40 wring thoroughly and then wipe 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 cleaning Remove the dust on the negative ion generator e Use a toothbrush etc to dust off the end Negative ion generator e Use a cotton swab etc to clean metal electrodes inside around the generator inside the plastic case plastic case taking care not to touch the electrodes During use the negative ion generator and other metal parts may become discolored this is normal and not indicative of malfunctioning e fthe 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 Ol 791 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 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 batte
40. conditioner in a way that may block air flow 15 cm min Front View Fig 1 AVOID e direct sunlight e nearby heat sources that may affect performance of INDOOR Tubing length L the unit UNIT SS e areas where leakage of flammable gas may be expected Elevation e places where large amounts of oil mist exist differance OUTDOOR DO UNIT e select an appropriate position from which every corner of the room can be uniformly cooled High on a wall Fig 2 is best e select a location that will hold the weight of the unit i AUTION e select a location where tubing and drain hose have the shortest run to the outside Indoor unit For stable operation of the air conditioner do not install wall mounted type Wall e allow room for operation and maintenance as well as unrestricted air flow around the unit Fig 1 TRE Minimum height install the unit within the maximum elevation indoor units less than 11 il difference H above or below the outdoor unit and 1 5 m from floor level 1 5m within a total tubing length L from the outdoor unit as detailed in Table 1 and Fig 2 e Install the indoor unit more than 1 meter away from Floor level Fig 3 any antenna or power lines or connecting wires used 9 for television radio telephone security system or intercom Electrical noise from any of these sources may affect operat
41. ditioner operates correctly do not install the remote control unit in the following places In direct sunlight Behind a curtain or other place where it is covered More than 8 m 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 control unit and the air conditioner since a check signal is sent from the remote control unit every 5 minutes 7 3 1 Mounting on a Wall Remote control Before mounting the remote control unit press the ON OFF operation Mounting screws button at the mounting 4x16 included 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 Fig 7 25 7 4 How to Test Run the Air Conditioner o Use a sharp object when accessing ON OFF and TEST buttons in the indoor unit ON OFF After turning on power to the air conditioner use the operation button remote controller and follow the steps below to conduct the test run 1 Either press the ON OFF button on the indoor unit or use the remote controller to start the Air Conditioner Figs 8a and 8b 2 Press and hold down the TEST RUN button on the indoor main unit controller until a beep is heard At this time
42. ditions Indoor air temperature 27 C 19 W B Outdoor air temperature 35 C D B Indoor Unit Outdoor Unit Complete Unit Fan Motor Compressor Heating Performance at 230V Single phase 50Hz Rating conditions Running amp Power input 0 028 1 112 1 140 Rating conditions Indoor air temperature 20 C D B Outdoor air temperature 7 D B 6 W B 20 iagrams D iring 6 2 Electric W SAP KRV94EHDX SAP KRV124EHDX Outdoor Unit SAP CRV94EHDX SAP CRV124EHDX Indoor Unit ng servicing i To avoid electrical shock hazard be sure to disconnect power before check AN ram and or cleaning any electrical parts MOTIAA JLIHM 13101A TSA LL J9ONVHO A4HD MOTHAN444D JHO AHD 3A NHO9 MOV JO 1d Aadaav 0 006Z78 8c8 cVJ38 T3A NHO 9 HOLOW HOSS4HdANOJD HOLOW J3NIVA 14MNHD 4 WA aw 4 OLLJNOVIN 79 p ww 28 RSRS 1 35 zeg IE DS DAS lt cez 5 59 Bin 285 ROCF Bub d JO d Te og 7 lt lt P uuoo 2 lt 0 7 mmr r Pr 20 2 DMII MT lt lt OOS A SET JUG 2 112181715 7 HOOQ1NO 1IOD NOILONS dNOO Ona LHM 1931 1 TI LHM HJTIOHINOO 2 1nO LNO NI
43. e Push the front panel all the way Front panel upward Pull while supporting the nearest point of the arms toward you l Remove the sub grill attached to the rear of the front panel after setting the Sub grille five levers to loosen lt Tighten Washing the front panel with Clean the front panel gently using a soft sponge or the like Then wipe water away any remaining moisture Neutral detergent may be used to remove stubborn dirt Then rinse thoroughly with water and wipe away any remaining moisture NU Tighten Loosen 22 OI 791 22 EG Care and Cleaning continued Remounting the front panel Reattach the subgrille onto the front panel then tighten the five levers Support the nearest point of the front panel keeping it horizontal then push arm axis to the grooves at the top of the indoor unit e Press the locations marked by the arrows and close the front panel CAUTION When using a footstool or the like be careful not to let it tip over Anti Mold Filter The anti mold filter behind the front panel should be checked and cleaned when
44. e as the reference and it is activated starting from whichever set time comes first e With the ON OFF combination timer the settings are repeated every day e 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 e 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 e 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 e When the ON timer and OFF timer are set to the same time the timer operates as if it is turned off 791 19 1 9 1 1 2 3 5 Hour OFF Timer 12 3 DHR 2 Operation together with the DAILY ON OFF REPEAT Timer Do not Do 20 Using the 1 2 3 5 Hour OFF Timer This function causes the unit to operate for 1 2 3 or 5 hours and then stop regardless of whether the unit is on or off when the button is pressed The timer indicator in the display indicates that this function is operating Setting procedure Regardless of whether the unit is on or off press the 1 2 3 5 Hour Timer button and select as desired 1 2
45. e flap moves left and right automatically When you press the 4 button the airflow direction will change one by one as follows 1 2 3 4 5 6 7 8 Dm oT MA IR WIDE SWEEP OI 791 9 EG 9 Remote Control Unit continued SENSOR button When you press this button use a small tipped object such as a ballpoint pen the fs 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 NOTE 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 This switches the temperature display between and F button Time Display Selector button This switches the time display between 24 hour time and 12 hour time TIMER Selector button This button switches ONE TIME or EVERYDAY When you select ONE TIME EVERYDAY EVERYDAY lt is displayed and continuously operates this function everyday The initial setting is EVERYDAY If you select ONE TIME it operates until setting time of timer CANCEL button If you want to cancel the setting time of ON or OFF press the ON or OFF button first then press the CANCEL button The CANCEL function is invalid for the 1 2 3 5HR CLOCK button The CLOCK button is used to set the prese
46. e other tabs 4 4 Replace the P C Board while slightly raising the P C Board wet d P C Board 4 5 Pulling out the lead wire after replacing the P C Board 8 4 Removing the Panel Motor Hemowve the electrical component box cover according to the previous section And carry out the procedure up to the step Panel motor Screw 4 2 in 8 3 Removing the electrical Cap resin component box 1 Disconnect and remove the connector for the lead wire of the panel motor at the P C Board 4 component ws dot 7 N box cover 2 Remove the screw on the panel motor and cap resin 1 a TE QE Electrical component box cover When mounting a new panel motor make sure that the gear of the panel motor and that of the electrical component box cover firmly engage with each other 32 8 5 Removing and Mounting the Drain Pan Air Outlet Ass y 8 5 1 Removing the Drain Pan Air Outlet Ass y 1 Remove the hooks 1 1 to 1 3 which secure the drain pan B Apply an upper push around here insulation material and the hook can be removed 1 1 Center part below the air outlet n N A Frame center lower lever Remove it by sliding toward you 1 2 Right side drain pan A S cC 0 Cle SER gt 1 Drain pan Press the back right in the arrow direction and the hooked
47. eeds 120 C due to shortage of gas or other reason Defrost detection and release CT Peak current cut off control e Non Stop Defrosting This function prevents the circuit breaker or fuse from operating to open the circuit This function works when electrical current has increased due to an increase in the cooling heating load or to a decrease in the power supply voltage In these cases operation frequency is reduced or operation is interrupted auto matically to control the electrical current for operation When the cause of the increase in electrical current is rectified the system will resume operation in the original mode Heating operation A Peak current cut off trips Hz down 12 2 14 0 Nien Electrical current setting for COOL operation is sed during DEFROST operation e Frosting is assumed according to the outdoor temp outdoor Outdoor heat exchanger temp heat exchanger temp and operation time Xu Operation Cut Off Control in abnormal i rosting Ambient temp area ambient temperature following three protective actions are available to prevent the compressor from operating with abnormal loads Non stop defrosting At that time they initiate thermo off stopping the outdoor unit of the air conditioner e Compressor e 2 way valve ON e Outdoor fan OFF e Mode Coolin e Indoor fan gt OFF 9 4 way valve Heating mode l T
48. efer to the installation manuals attached to the indoor unit and outdoor unit 55 12 5 In Case of Compressor Malfunction CAUTION e Should the compressor malfunction be sure to make the switch to a replacement compressor as quickly as possible e Use only the tools indicated exclusively for R410A See 12 3 Tools Specifically for R410A 12 5 1 Procedure for Replacing Compressor 1 Recovering refrigerant e Anyremaining refrigerant inside the unit should not be released to the atmosphere but recovered using the refrigerant recovery unit for R410A e Do not reuse the recovered refrigerant since it will contain impurities 2 Replacing Compressor e Soon after removing seals of both discharge and suction tubes of the new compressor replace it quickly 3 Checking for sealing e Use nitrogen gas for the pressurized gas and never use a refrigerant other than R410A Also do not use oxygen or any flammable gas 4 Evacuation e Use a solenoid valve installed vacuum pump so that even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back e The equipment may be damaged if moisture remains in the tubing thus carry out the evacuation thoroughly e When using a vacuum pump with exhaust air volume more than 25L min and ultimate vacuum pressure rate of 0 05Torr Standard time for evacuation 1 Recover refrigerant OK
49. egardless of the desired temperature The fan speed is 1step above HIGH Temperature setting buttons Press the A button to increase the set temperature Press the button to reduce the set temperature For details see Automatic operation and Manual operation QUIET button fea When you press this button the fan rotates slower than the fan speed setting to provide a quieter operating sound 8 Ol 791 8 EG Remote Control Unit continued Cover opened ON TIME OFF TIME setting No display The timer does not operate buttons The air conditioner starts at the set time The air conditioner stops at the set time o The air conditioner stops and starts or starts and stops at the set times every day For details see Setting the Timer MODE selector button Use this button to select AUTO HEAT DRY COOL or FAN mode AUTO When this setting is selected the air conditioner calculates the difference between the thermostat setting and the room temperature and automatically switches to the COOL or HEAT mode as appropriate HEAT The air conditioner makes the room warmer DRY The air conditioner reduces the humidity in the room COOL The air conditioner makes the room cooler FAN The air conditioner works only as a circulation fan FAN SPEED selector button The air conditioner automatically decides the fan speeds High fan speed Medium fan speed Low f
50. erminal should be skipped for the check 11 1 4 Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the desired electric part from terminal plate capacitor etc Similarly disconnect the connector Then measure the insulation resistance Figs 3 and 4 Refer to Electric Wiring Diagram If the probe cannot enter the poles because the hole is too narrow then use a probe with a thinner pin 51 Ground wire Insulation tester Fig 1 Terminal plate eee olele N Clip Copper KI Insulation tube or tester metallic part tube or metallic part Q C Insulation tester Fig 3 From fan motor compressor and other parts P b Metallic n 4 Insulation tester Fig 4 11 2 Checking Continuity of Fuse on PCB Ass y den e Remove the PCB Ass y from the electrical component box Then pull out the fuse from the PCB Ass y Fig 5 e Check for continuity using a multimeter as shown in PCB Ass y Fig 6 9 e Fig 5 Fuse Fig 6 52 12 REFRIGERANT R410A SPECIAL PRECAUTIONS WHEN SERVICING UNIT 12 1 Characteristics of New Refrigerant R410A 12 1 1 What is New Refrigerant R410A R410A is a new refrigerant that contains two types of pseudo non azeotropic refrigerant mixture Its refrigeration capacity and energy efficiency are about the same l
51. ess the FLAP button and set the airflow direction as desired Refer to Adjusting the Airflow Direction To stop the air conditioner press the ON OFF operation button again Ol 791 13 EG 1 3 Operation with the Remote Control Unit continued e 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 e 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 9 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 3 8 or 4 Fan Only i STEP 2 STEP 1 NIGHT SETBACK I FLAP ave gt SENSOR pss STEP 3 If you want to circulate air without any temperature control follow these steps STEP 1 Press the MODE selector button to switch to the fan mode 98 STEP 2 Press the ON OFF operation button STEP 3 Press the FAN SPEED selector button to select the fan
52. evel as the conventional refrigerant R22 12 1 2 Components mixing proportions HFC32 50 HFC125 50 12 1 3 Characteristics Less toxic more chemically stable refrigerant The composition of refrigerant R410A changes whether it is in a gaseous phase or liquid phase Thus when there is a refrigerant leak the basic performance of the air conditioner may be degraded because of a change in composition of the remaining refrigerant Therefore not add new refrigerant Instead recover the remaining refrigerant with the refrigerant recovery unit Then after evacuation totally recharge the specified amount of refrigerant with the new refrigerant at its normal mixed composition state in liquid phase e When refrigerant R410A is used the composition will differ depending on whether it is in gaseous or liquid phase and the basic performance of the air conditioner will be degraded if it is charged while the refrigerant is in gaseous state Thus always charge the refrigerant while it is in liquid phase Ether type oil is used for compressor oil for R410A type units which is different from the mineral oil used for R22 Thus more attention to moisture prevention and faster replacement work compared with conventional models are required 12 2 Checklist before Servicing Use a clutch type flare tool for R410A or the conventional flare tool Note that sizes of the resultant flares differ between these two tools Where a conventional
53. ever charge additional refrigerant if refrigerant is leaking from the unit Follow instructions given in 12 6 In Case Refrigerant is Leaking and completely carry out repairs Only then should you recharge the refrigerant 12 8 Retro Fitting Existing Systems 12 8 1 Use of Existing Units e Never use new refrigerant R410A for existing units which use R22 This will cause the air conditioner to operate improperly and may result in a hazardous condition 12 8 2 Use of Existing Tubing e lf replacing an older unit that used refrigerant R22 with a R410A unit do not use its existing tubing Instead completely new tubing must be used 59 APPENDIX INSTRUCTION MANUAL SAP KRV94EHDX SAP CRV94EHDX SAP KRV124EHDX SAP CRV124EHDX Ol 852 6 4180 791 00 0 60 Features This air conditioner is an inverter type unit that automatically adjusts capability 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 One time or Everyday Timer This timer can be set to automatically turn the unit on or off at only one set time One time or at a daily set time Everyd
54. ex wrench Fan mounting screw tightening torque 2 454 0 49N m 25 0 5kgf m 36 Fan mounting screw Hex wrench Fan motor mounting bracket Loosen the screw as you use a flashlight Fan motor bracket Another hook also exists to Fan motor mounting bracket Fan motor Fan motor lead wire 3 Amm it with the wire trailing down 8 8 Removing the Fan Be sure to proceed after having removed the drain pan Air Outlet Ass y and fan motor according to sections 8 5 and 8 7 1 Remove three screws 2 Uphold the left side of the heat exchanger so that it is not seated anywhere so as to remove the fan Pull the fan bearing toward you and remove it and remove the fan as pulling it from underneath Heat exchanger gt c c N Fan bearing When sliding the heat exchanger or removing the fan be sure to wear work gloves so as not to injure your hands by fins of the heat exchanger 37 8 9 Disconnecting and Connecting Positive Connector for Outdoor Unit One of the two types of connectors illustrated at left is used Their basic structure is the same for each How to Disconnect Hold the resin connector cover and pull the connector off You cannot disconnect the connector by pulling the wire since it is locked inside Always hold the cover to disconnect See illustrat
55. filter NOTE Cleaning the main unit and remote control unit Cleaning the negative ion generator ANESTI 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 anti mold filter 1 Remove the anti mold filter Air clean filter 2 Install the air clean filter securely in place onto the filter grille 3 Reinstall the anti mold filter Filter grille e In general the filter should be sucked to remove dust in low fan speed of vacuum cleaner once every three months e fthere 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 e Rinse the filter in clean water then let it dry on the towel in room temperature e Do not bend nor give excessive force onto the air clean filter e Ifthe 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 e Wipe clean using soft dry
56. flare tool is used make sure to observe A Specification amount of extrusion by using the flare spacer A Specification Diameter of tube D Flare tool for R410A Conventional flare tool for R22 Dia 9 52 3 8 0 to 0 5 mm 1 0 to 1 5 mm LL Size of flare Flare tool for R410A Conventional flare tool R22 53 e Tubing precautions e Refrigerant R410A is more easily affected by dust or moisture compared with R22 thus be sure to temporarily cover the ends of the tubing with caps or tape prior to installation Never use 0 7mm thick copper tubing or tubing which is less than 0 8mm in thickness since air conditioners with R410A are subject to higher pressure than those using R22 and R407C e No addition of compressor oil for R410A No additional charge of compressor oil is permitted e No use of refrigerant other than R410A Never use a refrigerant other than R410A e If refrigerant R410A is exposed to fire Through welding etc toxic gas may be released when R410A refrigerant is exposed to fire Therefore be sure to provide ample ventilation during installation work e Caution in case of R410A leak Check for possible leak points with the special leak detector for R410A If a leak occurs inside the room immediately provide thorough ventilation 54 12 3 Tools Specifically for R410A e For servicing use the following tools for R410A Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Cha
57. gh operation speeds making the most effective use of power This function acts to raise the power but keeps the AC system the same operating mode This function is set with the HIGH POWER button on the remote controller It can be set regardless of the temperature and fan speed settings e 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 Start End e 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 Lamp colors OPERATION lamp HEAT operation DRY operation COOL operation FAN operation DEFROSTING operation Green Green and Orange alternately TIMER lamp Green ION lamp ION lamp FILTER LED CLEAN lamp Timer backup 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 Green Hed Green 40 NIGHT SETBACK When NIGHT SETBACK operation is set the temperature and fan speed settings will be adjusted automatically to allow comfortable sleep e When NIGHT SETBACK operation is set mark appears on the remote controller The main unit display lamp also becomes dimmer e COOL and DRY modes
58. he Remote Control Unit How to Install Batteries 1 Slide the cover in the direction indicated by the arrow and remove it 2 Install two AAA alkaline batteries Make sure the batteries point in the direction marked in the battery compartment 1 0 Ol 791 10 EG NOTE How to Use the Remote Control Unit Remote Control Unit Installation Position DO NOT Mounting the Remote Control Unit When Holding the Remote Control Unit Ol 791 11 EG Using the Remote Control Unit continued The batteries last about six months depending on how much vou use the remote control unit Replace the batteries when the remote control unit s displav fails to light or when the remote control cannot be used to change the air conditioner s settings e Use two fresh leak proof type AAA alkaline batteries e in replacing batteries follow the instructions as mentioned in the sub section How to Install Batteries f you do not use the remote control unit more than 1 month take out the batteries When using the remote control unit always point the unit s transmitter head directly at the air conditioner s receiver Air conditioner Indoor unit Remote control unit The remote control unit may be operated either from a non fixed position or from a wall mounted position To ensure that the air conditioner operates correctly DO NOT install the remote control unit in the following places e n direct sunlight e
59. hermo off Thermo on Cut off action t ambient temp t ambient temp Low ambient temp t lt 22 t 18 C cut off H Releasing of defrosting Outdoor heating exchanger temp is over 14 C Mode Heating Defrosting operation lasts 12 minutes maximum Thermo off Thermo on 4 way valve is Heating mode Outdoor fan is ON Cut off action t ambient temp t ambient temp 2 way valve 2 OFF High ambient temp gt 95 C t lt 24 cut off i Low ambient temp lt 20 t 16 C cut off If the air conditioner is turned off during the defrosting cycle it will continue defrosting and turn itself off after defrosting is completed 42 10 TROUBLESHOOTING 10 1 Precautions 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 310 V 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 After repairs are car
60. inlet air D B temp C Outdoor inlet air temp C e Check each performance value test run mode Electrical performance values represent a combined indoor outdoor value Overload prevention operates to protect the air conditioner when outdoor ambient temperature becomes extremely high in heating mode Refer to 9 2 Overload prevention during heating Points of rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 27 D B 19 W B Heating Indoor air temperature 20 D B Outdoor air temperature 35 24 C W B Outdoor air temperature 7 6 C W B 16 Indoor Unit SAP KRV124EHDX Outdoor Unit SAP CRV124EHDX Cooling Characteristics B Heating Characteristics m gt SO 347 QS 4 22 22 i 3 0 a A 29 6 oe 25 ia gt gt gt 25 K w w 24 5 5 5 A dp 42 U O 2 0 c 19 4 l o d L 5 0 5 10 15 20 25 Outdoor inlet air temp C co V Outdoor fan speed 8 d l TL 4 i zu 5 ib D H AT 0 if Lb o HB HB HB 30 35 40 0 5 10 15 20 Outdoor inlet air temp C Outdoor inlet air temp C Operating current A Operating current A _ IL p 5 p m EB
61. ion Table 1 Max Allowable Tubing Limit of Tubing Limit of Elevation Required Amount of Length at Shipment Length L Difference H Additional Refrigerant 9 KRV94 124 f total tubing length becomes 7 5 to 15 m charge additional refrigerant R410A by 15 g m No additional charge of compressor oil is necessary 22 7 1 2 Outdoor Unit AVOID e heat sources exhaust fans etc Fig 4 e damp humid or uneven locations DO e position the outdoor unit in a protected location where snow will not blow into it e choose a place as cool as possible e choose a place that is well ventilated e allow enough room around the unit for air intake exhaust and possible maintenance Fig 5a e provide a solid base level concrete pad concrete block 10 40 cm beams or equal a minimum of 10 cm above ground level to reduce humidity and protect the unit against possible water damage and decreased service life Fig 5a e Install cushion rubber under unit s feet to reduce vibration and noise Fig 5b e use lug bolts or equal to bolt down unit reducing vibration and noise e Install in a location where no antenna of a television or radio exists within 3 meters NO Outdoor unit Air intake Min 5 cm Valve Min 5 NN NN NU NN Air discharge Min 20 cm lli kk NN A B WW 4 Wey AKT WW
62. ion at left For the connector without the resin cover push the lock in the direction of 2 while pulling it off Pull the cover upward How to Connect In order to connect hold the resin cover of the connector and push it in Confirm the click sound for the inside lock When the cover is pulled upward the lock is released with the sequence of 1 and 2 38 9 5 9 1 Operation Functions 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 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 STOP GREEN RED Lamp Off set temperature is 2 below the detected room temperature in the case of cooling operation and 2 C above the room temperature in the case of heating operation The flap and fan speed settings are AUTO AUTO cooling heating operation e 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 HEAT As shown by the example in the figure below with
63. it SAP KRV94EHDX Control PCB CB KRVO4EHDX Control Circuit Fuse 250V 3 15A Remote Control Unit RCS 4HVPDXS4EE Q ty Dia and Length mm 1 0100 L677 INo ofPoles Coil Resistance Ohm Ambient Temp 20 Safety Device Type Internal Controller 0 Over Current Protection Yes Over Heat Protection Yes Capacitor Micro F VAC Flap Motor For Right Flap For Left Flap For Upper Flap For Lower Flap Coil Resistance Ohm Each Pair of Terminal 70 7 Ambient Temp 25 C Panel Motor Coil Resistance Ohm Each Pair of Terminal 130 7 Ambient Temp 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit SAP KRV124EHDX Control PCB CB KRVI24EHDX Control Circuit Fuse 250V 3 15A Remote Control Unit RCS AHVPDXSAEE Q ty Dia and Length mm 1 D100 L677 INo ofPoles Coil Resistance Ohm Ambient Temp 20 Safety Device Type Internal Controller 0 Over Current Protection Yes Over Heat Protection Yes Capacitor Micro F VAC Flap Motor For Right Flap For Left Flap For Upper Flap For Lower Flap Coil Resistance Ohm Each Pair of Terminal 70 7 Ambient Temp 25 C Panel Motor Coil Resistance Ohm Each Pair of Terminal 130 7 Ambient Temp 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 2 2 Outdoor Unit Outdoor Unit SAP CRV94E
64. ity m s Vertical distance m Room air temp Fan speed Zo gt O SS 2 5 2 gt gt lt gt SAP KRV124EHDX 27 High Horizontal distance m Flap angle 0 Flap angle 30 Axis air velocity 0 Axis air velocity 30 20 High Horizontal distance m 2 3 4 5 6 7 8 9 Flap angle 45 angle 60 Axis air velocity 45 Axis air velocity 60 19 6 ELECTRICAL DATA 6 1 Electrical Characteristics Indoor Unit SAP KRV94EHDX Outdoor Unit SAP CRV94EHDX Cooling Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 230V Single phase 50Hz Rating conditions Running amp Power input 0 028 0 502 0 530 Rating conditions Indoor air temperature 27 C D B 19 W B Outdoor air temperature 35 D B Indoor Unit Outdoor Unit Complete Unit Fan Motor Compressor Performance at 230V Single phase 50Hz Rating conditions Running amp Power input 0 028 0 692 0 720 Rating conditions Indoor air temperature 20 C D B Outdoor air temperature 7 C D B 6 C W B Heating Indoor Unit SAP KRV124EHDX Outdoor Unit SAP CRV124EHDX Cooling Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 230V Single phase 50Hz Rating conditions Running amp Power input 0 028 0 847 0 875 Rating con
65. lamp 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 green red lamp off N CAUTION Do not set at the TEST mode for normal operation This mode is used only when servicing the air conditioner OPERATION lamp This lamp lights when the system is in the continuous AUTO red or green HEAT red DRY orange COOL green and FAN green mode The OPERATION lamp lights up red and orange alternately when the system is defrosting TIMER lamp This lamp lights when the system is being controlled by the timer LED CLEAN lamp This lamp lights during operation in the UV anti bacterial mode This lamp lights during operation in ION mode while the indoor unit is operating The front panel of the indoor unit operates automatically when starting and stopping operation The panel opens slightly when operation starts and closes when operation stops e The unit s display lamps are dimmed during operation in the NIGHT SETBACK mode 6 Ol 791 6 EG Remote Control Unit Display a Dik ye Displayed when setting temperature Displayed when the time display is set to 12 hour time 1 Operation mode 2 Fan speed Automatic operation SET TEMP Ut 3 Temperature setting 16
66. llation Position 2 25 7 4 Howto Test Run the Air 26 7 5 Remove the Grille to Install the Indoor 27 8 MAINTENANCE 8 1 Address Setting of the Remote Control Unit 21r terea ed sen 28 8 2 Removing and Mounting the Drain Hose 1 29 8 3 Removing the Electrical Component BOX 2 30 8 4 Removing the Panel Motor 32 8 5 Removing and Mounting the Drain Pan Air Outlet Ass y 2 2 22 33 8 6 Removing the Negative lon Generator nennen 35 8 7 Removing and Mounting the Fan Motor 36 8 8 Removing the Fan vennen id aui ram Ka M NDS GNI EIN 37 8 9 Disconnecting and Connecting Positive Connector for Outdoor Unit 38 9 FUNCTIONS Oet Operation zPieen M mm 39 9 22 Proleclive FUNCIONS e 41 10 TROUBLESHOOTING 10 1 Precautions before Performing Inspection or Repair 43 10 2 Method of Self Diagnostics 43 10 3 Checking the Indoor and Outdoor Units 45 10 4 Trouble Diagnosis of Indoor and Outdoor Fan Motor 46 10 5 Noise Malfunction and Electromagne
67. n the temperature of indoor heat exchanger becomes 8 or higher 41 Cold air prevention during heating 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 Normal operation At start of operation LL elonpes 25 30 Approx 40 ss oe mm gt Indoor heat exchanger temperature C NOTE The fan speed is forcibly changed to LL beginning 30 seconds after the thermostat turns OFF Normal operation refers to operation when the room temperature has approached the set temperature e When HEAT operation starts the indoor fan is stopped until the temperature of the indoor heat exchanger reaches 20 C or higher or until the room temperature reaches 15 or higher Compressor discharge temperature control This function controls the operation frequency to prevent the compressor discharge temperature from rising more than a specified temperature Compressor discharge temperature a Area Automatic capacity control When the temperature rises above Point A the operation frequency is reduced at a specified rate Area Further frequency increase is prohibited When the temperature falls below Point B prevention of a rise in frequency is released and the air conditioner operates as in a area The compressor will stop if the temperature of the compressor discharge exc
68. ner with the remote control unit 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 Moisture in the room condenses and drains off through this hose Outdoor Condensing Unit The outdoor unit contains the compressor fan motor heat exchanger coil and other electrical components Ol 791 5 EG 5 Unit Display and Operation Button IMPORTANT INDOOR UNIT EX FILTER RESET button OPERATION button ei 8 TEST mode button V gt rme If the trouble happens disconnect power and Jl OPERATION lamp Avoid using radio equipment such as mobile phone near within 1 m the remote control receiver Some radio equipment may cause malfunction of the unit restart the air conditioner NE after a few minutes LED CLEAN lamp ION lamp FILTER lamp 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 with a small pointed tool enables heating and cooling operation TIMER
69. ngerous 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 ho practice which can result in personal injury or product or property damage 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 excessively high heat Avoid ANETO p 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 Safety Instructions Read this Instruction Manual carefully before using this
70. nit 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 0090000900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009 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 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 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 Others
71. nt time Press the CLOCK button first then select the advance or return keys on the ON or OFF TIME setting button Press the CLOCK button again to set adjusted present time CHILD LOCK button The CHILD LOCK button is used to tamperproof and protect the unit from being incorrectly operated The setting or canceling this function is effected by pressing the button for at least two seconds The initial setting is set to CHILD LOCK off mO CHILD LOCK on NOTE All key access functions are invalid while the CHILD LOCK function is on 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 The ADDRESS switch is located inside of rear cover on the remote control unit and is set to A For more information please contact the dealer where you made the purchase e Normally tab on the remote control unit should not be bent 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 Using t
72. odel 1FA4V2E033800 Outdoor air temp sensor Model 8FA0525920400 Outdoor heat exchanger sensor Model 8FA0525920400 s 30 ALL LL ILI 20 15 10 5 0 5 10 3 Temperature 3 DIMENSIONAL DATA Indoor Unit SAP KRV94EHDX SAP KRV124EHDX X T S gt N G o G Q 9 5 O 8 S LO 2 M amp E vel O o i WP a a Hey H gi 243 During Operation Air Outlet Air Intake Unit mm 13 Outdoor Unit SAP CRV94EHDX SAP CRV124EHDX Wide tube service valve dia 9 25 3 8 Narrow tube service valve dia 6 35 1 4 Outdoor temp sensor Unit mm 14 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram Indoor Unit SAP KRV94EHDX Outdoor Unit SAP CRV94EHDX SAP KRV124EHDX SAP CRV124EHDX Indoor unit Outdoor unit 5 Wide tube service Widetube valve E ui mes ISI OD Muffler 9 52mm 3 8 doa 7 1 G am O lt gt lt I Ei Modulator Capillary l tube for Electric
73. on button of indoor unit or remote controller to operate the air conditioner and check that AC 220 to 240V is output to terminals 1 and 2 If it is not output there is a failure related to the indoor unit power 45 10 4 Trouble Diagnosis of Indoor and Outdoor Fan Motor 10 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 e 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 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
74. panel is turned on Once mode is 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 Press the MODE selector button to STEP 2 Press the ON OFF operation button To stop the air conditioner press the ON OFF operation button again NOTE e To change the temperature setting press the temperature setting buttons and change the setting to the desired temperature Ol 791 12 EG Operation with the Remote Control Unit continued 2 Manual Operation Cover closed Cover opened A 23 58 STEP 4 oss STEP 5 STEP M ome 2 i 5 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 Press the MODE selector button and select the desired mode For heating operation For dehumidifying operation For cooling operation For fan only operation 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 Pr
75. part can be released 1 3 Left side drain pan L Press the back left in the arrow direction and the hooked part can also be released Drain pan A 33 2 Remove the drain pan from the main body so as to roll over the left side first toward you Heat exchanger Drain pan If it is hard to remove try to pull down either of these two edges first 3 Remove the drain hose according to 1 of 8 2 Be careful not to spill the remaining Removing and Mounting the Drain Hose water in the drain pan 8 5 2 Mounting the Drain Pan Air Outlet Ass y 1 Insert the drain pan from the bottom of the heat exchanger A Drain pan ERU Insert the drain pan into the heat exchanger with its back tilting down vin pan While the drain pan is being inserted part of insulation material will touch the frame Push up the insulation material with your finger so that it is put into place for both sides Insulation material 34 2 Secure the drain pan to the hook 2 1 Push up A and B in the figure one by one from underneath to secure them to the hook 2 2 Also secure C to the hook NB 222 je SS to B Bottom of left back of the drain pan 4 T Bottom of right back of the drain pan 8 6 Removing the Negative lon Generator Remove the negative ion electrodes and negative ion P C Board from the
76. ressor and fan motor must turn ON about 5 seconds later to the T RUN terminal after the terminals are shorted e f there are no problems with the above then check the indoor unit TEST MV T RUN terminals e Using the TEST T RUN terminals Circuit board T RUN Test run compressor and fan motor turn ON oar TEST MV Compresses time to 1 60th accelerates operation by 60 times faster than normal Fully opens the electric expansion valve 3 Checking the serial communications Control 1 gt Control 2 X OFF 7 Blinking XX Illuminated Initial self diagnostics Short circuit terminals 2 and 3 on Short circuit terminals 2 and 3 on the indoor unit terminal plate the outdoor unit terminal plate lon Timer Operation lon Timer Operation lon Timer Operation Probable location of malfunction 3 2 1 3 2 1 3 2 1 AEN Indoor unit circuit board failure X it Outdoor unit circuit board failure Failure open circuit contact failure etc X in the inter unit wirings e Turn the power OFF before performing short circuiting work e During the self diagnostics check the check results are the first indication when the TEST RUN button is pressed until the buzzer sounds 1 time after the power supply is ON So that the check can be made quickly indicators blink at first communication after power ON e Before performing the above checks press the ON OFF operati
77. rging cylinder Refrigerant recovery unit Tools specifically for R410A Vacuum pump with anti reverse flow 1 Solenoid valve installed type which prevents oil from flowing back into the unit when the power is off is recommended Vacuum pump 2 be used if the following adapter is attached e Vacuum pump adapter reverse flow prevention adapter 3 Solenoid valve installed adapter attached to a conventional vacuum pump Electronic scale for charging refrigerant Flare tool Bender Tools which can be com Torque wrench monly used for R22 407 and R410A Cutter reamer Welding machine nitrogen gas cylinder Doing so will cause malfunction of the unit AN e The above tools specifically for R410A must not be used for R22 and R407C For the above vacuum pump 1 2 and vacuum pump adapter 3 those for R22 type units can be used for R410A type However they must be used exclusively for R410A and never alternately with R22 and R407C To prevent other refrigerants R22 R407C from being mistakenly charged to this unit sizes of the service ports and flare nuts of the narrow tube service valve and wide tube service valve have been altered 12 4 Tubing Installation Procedures When the tubes are connected always apply HAB oil on the flare portions to improve the sealing of tubing The following is the HAB oil generally used Esso ZERICE 532 mejl For details on tubing installation procedures r
78. ried out be sure to press and hold the TEST RUN button until the buzzer sounds 2 times to erase the diagnosis results 10 2 Method of Self Diagnostics If the indoor unit operation lamp is blinking every 0 5 seconds follow the procedure below to perform detailed trouble diagnostics 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 ROM socket insertion problem or the ROM has not been installed Make sure the ROM is in existence The failure mode is stored in memory even when the power is not ON Follow the procedure below to perform diagnostics Main unit controller Em RUN mi button N ON OFF operation button PROCEDURE 1 Turn the power supply switch ON However the A C itself should remain stopped 2 Press and hold the TEST RUN button on the main unit controller until the buzzer sounds 1 time At this time releasing the TEST RUN button starts self diagnostics 3 If there is a sensor failure or a protective function has activated self diagnostics lamps 1 2 and 3 will illuminate in the following pattern 5 seconds blinking illuminated 2 seconds OFF Buzzer sounds once while lamps are OFF If there is no trouble then self diagnostics lamps 1 2 and do not illuminate and the buzzer does not sound 4 Diagnostics is completed when the buzzer sounds 3 time
79. ries OPERATION lamp blinks and air Trouble in system Contact service center conditioner does not operate Compressor runs but soon stops Obstruction in front of condenser coil Remove obstruction Poor cooling or heating performance 1 Dirty or clogged air filter Heat source or many people in room Doors and or windows are open Obstacle near air intake or air discharge port Thermostat is set too high for cooling or too low for heating Outdoor temperature is too low for heating 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 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 Operating Range 1 Clean air filter to improve airflow 2 Eliminate heat source if possible Shut them to keep the heat or cold out Remove it to ensure good airflow Set the temperature lower or higher Consult your dealer or try to use another heat appliance This is normal and the sound will soon disappear 1 Turn off the power then restart the air conditioner after a while 2 Consult your dealer The air conditioner is operable within the temperature ranges as listed below uci Min HE
80. rminal Terminal cover E 4 Lower right cover 1 Screw for the electrical component box Screw for the terminal cover poc ore order of steps 1 and 2 2 6 Remove the heat exchanger sensor and 2 8 Remove the lower right cover ground wire terminal 2 9 Remove the terminal cover and remove the 2 7 Remove screws for the electrical inter unit cables component box 30 3 Removing the electrical component box 3 1 Slightly expand the side of the main body to the right side and unhook the tabs 3 2 Holding the bottom of the electrical component box while keeping the main body as it is in 3 1 above release the tab at the top of the electrical component box 4 Removing the P C Board 4 1 Remove the indicator lamp electrical component box pad plates 3 and 2 4 2 Remove the electrical component box cover To replace the panel motor proceed to 8 4 Removing the Panel Motor 31 Electrical component Electrical component box gt 4 Electrical component _ boxpad plate 2 Remove these two tabs and lightly expand the electrical component box cover and the remaining tab can readily be removed Electrical component box Electrical component box pad plate 3 Indicator lamp 4 3 Disconnect all the connectors on the Hemove this tab first and then P C Board remov
81. running the P wire from the indoor unit to the outdoor unit size of Indoor Unit wire and wiring method etc 220 to 240VAC e Each wire must be firmly connected AE e No wire should be allowed to touch refrigerant tubing the compressor or any moving part Jij Kan e To avoid the risk of electrical shock each air conditioner unit must be grounded e For the installation of a grounding device please observe local electrical codes WIRING SYSTEM DIAGRAM Outdoor Unit Terminal Grounding line Fig 6 e Grounding is necessary especially for units using inverter circuits in order to release charged electricity and electrical noise caused by high tension Otherwise electrical shock may occur e Place a dedicated ground more than 2 meters away from other grounds and do not have it shared with other electric appliances CAUTION e Be sure to connect the power supply line to the indoor unit as shown in the wiring diagram The outdoor unit draws its power from the indoor unit e Do not run wiring for antenna signal or power lines of television radio stereo telephone security system or intercom any closer than 1 meter from the power cable and wires between the indoor and outdoor units Electrical noise may affect the operation 24 7 3 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 con
82. s IMPORTANT After repairs are carried out be sure to press and hold the TEST RUN button until the buzzer sounds 2 times When the TEST RUN button is released the buzzer sounds 1 long beep and the diagnosis results are erased 43 1 Self diagnostics Lamps FILTER SS LED CLEAN JON TIMER OPERATION lamp lamp e f there is no trouble the lamps neither blink nor illuminate Since the indications cover various units the corresponding parts listed below may not be present in some models Indication on indoor unit X OFF Blinking Illuminated Operation y e e Code Diagnostics item Diagnostics contents IX Room temperature sensor failure 1 Sensor open circuit or short circuit 2 Contact failure at connector or open circuit at terminal crimping location short circuit X Indoor heat exchanger sensor failure detection only for the humidity sensor sp miel E04 ESESESE I 1 PAM circuit abnormal voltage 2 Protection for current XE amp sgoe 1 Electric expansion valve failure 2 Capillaries choked 3 Shortage of refrigerant ESESESEA _ mme meme E09 No orsigernt priesion orsigernt priesion Senice valve not opened 2 Shortage otretigerant valve not opened Senice valve not opened 2 Shortage otretigerant of refrigerant EJ 1 Open phase 2 Outdoor circuit board failure 1 Contact failure at connector 2 Outdoor circuit board failure
83. s needed Setting temperature 2 C 4 F 5 Press the NIGHT 30 min 30 min Time SETBACK button E 791 15 1 6 QUIET Mode QUIETV LED CLEAN Operation with the Remote Control Unit continued QUIET Mode is used to reduce the fan sound of the indoor unit Press the QUIET button The ad mark appears in the display To cancel press QUIET button again e n QUIET Mode the fan rotates at a slower speed than the fan speed setting e Ifthe 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 f mark appears in the display To cancel press HIGH POWER button again e 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 e QUIET Mode and HIGH POWER Mode cannot be used at the same time e When set to High fan speed during heating operation the fan runs at High fan speed even though the 7 mark is displayed e Depending on the operating conditions the fan speed may increase by only a small amount The ION mode is used during operation to generate
84. speed of your choice 899 or 14 Ol 791 14 EG Operation with the Remote Control Unit continued 5 Night Setback Mode 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 EG again ION LED CLEAN NIGHT SETBACK FANSPEED m lt p gt A In Cooling and DRY When the nich Mode and en the night setback mode is selected the air conditioner automatically raises the temperature setting 1 C when 30 minutes have passed after the selection was made and then another 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 1 2 Setting temperature 1 2 EN Press the NIGHT 30 min SETBACK button In Heating Mode 9 When the night setback mode is selected the air conditioner automatically lowers the temperature setting 2 C when 30 minutes have passed after the selection was made and then another 2 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 i
85. split flow be valve Service en Narrow tube i valve mJ i Cooling cycle an CED H J Strainer Muffler HEVES PE ____8 Defrosting cycle Insulation of Refrigerant Tubing Because capillary tubing is used in the outdoor unit both the wide and narrow tubes of this air conditioner become cold To Insulation prevent heat loss and wet floors due to dripping of PN condensation both tubes must be well insulated with a Thickness Thickness proper insulation material The thickness of the insulation Min 8 mm Min 8 mm should be a min 8 mm After a tube has been insulated PRONTO Wide tube never try to bend it into a narrow CAUTION curve because it can cause the tube to break or crack 15 5 PERFORMANCE DATA 5 1 Temperature Charts Indoor Unit SAP KRV94EHDX Outdoor Unit SAP CRV94EHDX Cooling Characteristics B Heating Characteristics MPa kgf cm G MPa kgf cm G al a TATIE 5 0 5 10 15 20 Outdoor inlet air D B temp C Low pressure at wide tube service valve High pressure at wide tube service valve Operating current A Operating current A V Outdoor fan speed qm pa T 65 24 ae Indoor discharge air temperature Indoor discharge air temperature Outdoor
86. ter for the wireless device Use a signal booster 48 10 6 Checking and Troubleshooting when the Front Panel fails to work 10 6 1 Checking the Front Panel when it fails to work during operation 1 Is the grille mounted in place Check in particular that the upper right screw is Upper right screw adequately tightened Grille Flap Screw cover 2 Are the five levers on the rear of the front panel tightened The figure shows the loosened condition If the levers in loosen the front panel does not work correctly Front EN Sub panel 3 Is the front panel correctly mounted 1 Holding the part of the front panel adjacent to the arm 2 Close the front panel and Next press the arm shaft against the upper part of the push at the arrow to firmly fix it groove which is located on the main body while keeping the front panel almost horizontally and push it firmly until it makes a sound of being seated Front panel which is attached with a sub panel on its rear side G in n roove Arm shaft TA 27 X NT shaft ANA Xam 49 10 6 2 Making Diagnosis of the Panel Motor 1 If no abnormality was found in 1 to 3 of the previous section then carry out diagnosis of the panel motor which activated the front panel 2 Remove the panel motor connector from the indoor P C Board
87. tic Interference 48 10 6 Checking and Troubleshooting when the Front Panel fails to work 49 11 CHECKING ELECTRICAL COMPONENTS 11 1 Measurement of Insulation Resistance 51 11 2 Checking Continuity of Fuse on PCB 52 12 REFRIGERANT R410A SPECIAL PRECAUTIONS WHEN SERVICING UNIT 12 1 Characteristics of New Refrigerant R410A 53 12 2 Checklist before 0 5 12 3 Tools Specifically dn 11 A a ni a arai EERROR REE 55 12 4 Tubing Installation Procedures 55 12 5 In Case of Compressor 56 12 6 In Case Refrigerant is Leaking 58 12 7 Charging Additional 59 12 8 ellos Ming EXISUNOG SYSTEMS nenten LUDUM SM MU 59 APPENDIX INSTRUCTION MANUAL 1224 0 0 60 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 e Carefully read this ins
88. ting to provide a quieter operating sound CHILD LOCK This function is to tamperproof and protect the unit from being incorrectly operated All key access functions are invalid while this lock function is in operation ION Operation While it is operating the unit generates negative ions that freshen up the air in the room LED Clean Operation During operation the UV anti bacteria unit is activated for one hour and cleans the air blown from the air conditioner 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 Ol 791 2 EG Ol 791 3 EG Contents Page Be eS 2 PrOGUGCF alie dane EU TN 3 niche leo T Uo 3 LOCATON MEN 4 Electrical 4 versui WT 4 Names Pal de 5 Using the Remote Control Unit sees 10 Operation with the Remote Control Unit aaneen eneen enn 12 1 Automatic nennen nennen 12 2 Manual ODeFallOl ucucdiiseei taret Un nest 13 Adjusting the Fan 5 14 A 19
89. ting The timer indication is button once displayed and the present OFF time is shown 7 aan SNT Press the Advance Return 4 The timer indication blinks button until 20 00 is The time can be set in 10 minute displayed increments Holding down the button advances the time rapidly in 10 minute increments Wait a few seconds and then The timer indication stops the setting is complete blinking and the present time is displayed 1 8 Ol 791 18 EG Setting the Timer continued 3 How to set the ON time Example To start operation at 6 10 ME 1 Press the TIME setting The timer indication is button once displayed and the present ON time is shown 2 Press the Advance Return 4 The timer indication blinks button until 6 10 is displayed The time can be set in 10 minute 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 Example To start operation at 6 10 and stop the air conditioner at 20 00 REPEAT timer 22 30 6 10 20 00 Present time ON OFF 1 Select EVERYDAY by the The present time 22 30 and TIMER selector button then set ov are displayed the ON OFF timer times as shown in 2 1 2 3 and 3 1 2 3 The ON OFF combination timer uses the current tim
90. tions 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 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 000900000900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009 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 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 u
91. tration use the FLAP button to set the airflow direction within the range used during the heating cooling or dehumidifying operation C Auto flap function The flap is set to the A recommended position NOTE e The flap automatically closes when the unit is off e 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 e Use the FLAP button on the remote control to adjust the position of the 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 Do not have the flap pointed down during cooling operation Condensation may begin to form around the air vent and drip down 791 21 21 Operation without the Remote Control Unit INDOOR UNIT If you have lost the remote control unit or it has trouble follow the steps below I FILTER RESET button when the air conditioner is not running Each time the OPERATION button is pressed with a small pointed OPERATION button tool the operation mode changes cyclically by changing the color of the OPERATION lamp
92. troller address 1 Open the cover on the bottom of the remote controller Break the address change tab to switch the address to B Fig 13 2 Insert dry cell batteries into the remote controller and attach the cover 3 Open the front panel on the stopped indoor unit and use a sharp object to press the TEST button on the main unit controller Verify that the indoor unit produces the beep beep signal reception sound then release the button Fig 14 4 Next within 5 seconds after the beep sound is heard from the indoor unit press the remote con troller ON OFF button and verify that the 5 beeps signal reception sound occurs again Fig 15 Address setting tab Ee m Test button AIR CONDITIONER Ow LED CLEAN QUIET ap oL rj ETE 2007 a ON OFF operation button 1235 amp TEMP v Fig 15 28 8 2 Removing and Mounting the Drain Hose 1 Before removing the drain hose remove the cramp from the stopper to check the location of the drain cramp at the end of the hose and pull the hose out while turning it 2 To mount the drain hose insert the hose all the way into the outlet of the drain pan with the drain cramp face down Then put it in place so that the drain cramp is placed beneath the stopper After mounting it be sure to check that the drain hose is firmly mounted n Stopper Drain eS M a 7
93. truction booklet before beginning e 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 9 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 WARNING When Wiring 0000000000090000000000000000000000000000000009000000000009000000000000000000000909000000909000009000000900009000000000090909 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 instruc
94. uency is reduced by a certain proportion c Area Frequency increase is prohibited d At Point B and below overload prevention is ended and control is the same as in the a area ll 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 6 C 2 Restart after freeze prevention operation occurs when the temperature of the indoor heat exchanger reaches 8 or above Indoor heat exchanger temperature Area Automatic capacity control When the temperature drops below Point A the operation frequency is reduced by a certain proportion Area Frequency increase is prohibited 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 2 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 The Freeze Prevention Control during the Low Ambient Cooling Mode outside air temperature 15 or lower is as follows compressor stops when the temperature of indoor heat exchanger becomes less than 2 compressor restarts whe
95. with cylinder in normal position 0 76 10 x 0 20 2 76Kg For the remaining refrigerant refer to the instructions of the refrigerant manufacturer e f using a charging cylinder transfer the specified ry NO Ze ja AS Fig 2 amount of liquid refrigerant from the refrigerant cylinder to the charging cylinder Charging Prepare an evacuated charging cylinder cylinder beforehand CAUTION T9 Prevent the composition of R410A from changing never bleed the refrigerant gas into the atmosphere while transferring the refrigerant Fig 3 Refrigerant cylinder Do not use the refrigerant if the amount in the Fig 3 charging cylinder is less than 20 57 12 6 In Case Refrigerant is Leaking CAUTION Never attempt to charge additional refrigerant when refrigerant has been leaking from the unit Follow the procedure described below to locate points of leaks and carry out repairs then recharge the refrigerant 1 Detecting Leaks Use the detector for R410A to locate refrigerant leak points 2 Recovering refrigerant e Never release the gas to the atmosphere recover residual refrigerant using the refrigerant recovery unit for R410A instead Do not reuse the recovered refrigerant because its composition will have been altered 3 Welding leaking points Confirm again that no residual refrigerant exists in the unit before starting welding Weld securely using flux and wax

Sanyo SAP-KRV94EHDX Air Conditioner User Manual

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