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8-7. Automatic Fan Speed (Cooling, Dry and Heating)

●

This automatically adjust the indoor fan speed for the room by the difference between the room temperature

and set temperature.

< Cooling>

< Heating>

●

The figure given above shows an example with remote control sensor operation. In case of an body sensor

operation, temperature differ somewhat.

NOTE

Indoor fan

H:High

M:Medium

T

°

c

T-1

°

c

Set temp.

H

H

M

Room temp.

Indoor fan

H:High

M:Medium

L:Low

T+2

°

c

T+1

°

c

T

°

c

Set temp.

Room temp.

H

H

M

M

L

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Содержание SAP-CR184GH

Страница 1: ...NER SAP KR184GJH SAP KR224GJH SAP CR184GH SAP CR224GH IMPORTANT These air conditioners employ new refrigerant R410A Pay special attention when servicing the unit Indoor Model No Product Code No SAP KR184GJH 1 852 094 03 SAP KR224GJH 1 852 094 02 Outdoor Model No Product Code No SAP CR184GH 1 852 094 07 SAP CR224GH 1 852 094 06 Destination Australia 50Hz General area 50Hz ...

Страница 2: ... WARNING When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the units weight It may be necessary to construct a st...

Страница 3: ...N 8 1 Room Temperature Control 33 8 2 Dry Operation 35 8 3 Automatic Switching between Cooling and Heating 36 8 4 Freeze Prevention 37 8 5 Cold Draft Prevention 38 8 6 Overload Prevention 39 8 7 Automatic fan speed 40 8 8 Defrosting Operation 41 8 9 Outdoor Fan Speed Control 42 9 TROUBLESHOOTING 9 1 Check before and after troubleshooting 43 9 2 Air conditioner does not operate 44 9 3 Some part of ...

Страница 4: ...CAL COMPONENTS 11 1 Measurement of Insulation Resistance 60 11 2 Checking Continuity of Fuse on PCB Ass y 61 11 3 Checking Motor Capacitor 61 12 MAINTENANCE 12 1 Address Setting of the Remote Control Unit 62 63 APPENDIX 4 ...

Страница 5: ...ANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Maximum 32 C D B 23 C W B 43 C D B Minimum 19 C D B 14 C W B 19 C D B Heating Maximum 27 C D B 24 C D B 18 C W B Minimum 16 C D B 8 C D B 9 C W B ...

Страница 6: ...w direction Indoor Horizontal Manual Vertical Auto Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment g R410A 1 600 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo Qt dB A 42 39 35 32 41 38 34 32 Qt Quiet mode at Lo Outdoor Hi dB A 55 56 Refrigerant tubing connections Flare type Max allowable tubing length at shipment m 7 5 Refrigeran...

Страница 7: ...Horizontal Manual Vertical Auto Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment g R410A 1 850 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo Qt dB A 45 41 37 32 44 40 36 32 Qt Quiet mode at Lo Outdoor Hi dB A 57 58 Refrigerant tubing connections Flare type Max allowable tubing length at shipment m 10 Refrigerant Narrow tube mm in ...

Страница 8: ... 39CVL D847 2 1 No of poles Rough measure rpm Cool Heat 8 1 200 1 200 Nominal output W 30 Coil resistance Ambient temp 20 C Ω Safety devices Type Internal controller Over current protection Yes Overheat protection Yes Run capacitor on controller PCB µF VAC Flap Motor Type Stepping motor Model MP24Z3 12V Rating DC 12 V Coil resistance Ambient temp 25 C Ω Each pair of terminals 400 7 Heat Exch Coil ...

Страница 9: ... Rough measure rpm Cool Heat 8 1 300 1 300 Nominal output W 30 Coil resistance Ambient temp 20 C Ω Safety devices Type Internal controller Over current protection Yes Overheat protection Yes Run capacitor on controller PCB µF VAC Flap Motor Type Stepping motor Model MP24Z3 12V Rating DC 12 V Coil resistance Ambient temp 25 C Ω Each pair of terminals 400 7 Heat Exch Coil Coil Aluminum plate fin Cop...

Страница 10: ...t temp 25 C Run capacitor µF 50 VAC 400 Crank case heater Fan Fan Motor Type Propeller Q ty Dia 1 ø420 Fan motor model Q ty AC motor KFG6S 51E5P 1 No of poles Rough measure rpm Cool Heat 6 870 850 Nominal output W 50 Coil resistance Ambient temp 20 C Ω WHT BRN 63 60 WHT YEL 58 48 YEL PNK 23 36 Safety devices Type Thermal protector Operating temp Open C 130 8 Close Automatic reclosing Run capacitor...

Страница 11: ... C Run capacitor µF 60 VAC 400 Crank case heater Fan Fan Motor Type Propeller Q ty Dia 1 ø420 Fan motor model Q ty AC motor KFG4S 51C5PB 1 No of poles Rough measure rpm Cool Heat 4 980 950 Nominal output W 50 Coil resistance Ambient temp 20 C Ω WHT BRN 53 83 WHT YEL 36 32 YEL PNK 15 14 Safety devices Type Thermal protector Operating temp Open C 130 8 Close Automatic reclosing Run capacitor µF 5 VA...

Страница 12: ... HIGH 31 5 C 2 Contact rating AC 220V 3A Only for 224 class Magnetic Contactor CLK 25J2 Coil rating 50Hz 220 240V Coil resistance kΩ at 20 C 2 0 Only for 184 class Power Relay PR EL1U Coil rating AC 200 240V 50 60Hz Contact rating AC 277V 30A Outdoor Unit SAP CR184GH SAP CR224GH Thermistor Coil Room sensor PBM D41E S1 Coil Room Resistance kΩ Coil 0 C 15 0 5 Room 25 C 5 0 4 Indoor Unit SAP KR184GJH...

Страница 13: ... 5 298 1065 50 60 100 5 1055 50 7 60 3 218 475 403 60 49 24 5 402 5 95 450 95 212 5 117 5 117 5 1065 298 45 Drain hose ø18 Narrow tube ø6 35 1 4 90 5 90 5 307 5 450 307 5 95 45 95 202 4 202 4 ø 8 0 196 46 5 27 4 70 32 133 8 52 23 Wide tube ø12 70 1 2 184 ø15 88 5 8 224 Unit mm ...

Страница 14: ...CR224GH 293 608 880 80 136 12 36 334 310 285 I D ø 1 8 2 I D ø 2 3 6 670 18 55 111 166 2 145 AIR DISCHARGE AIR INTAKE AIR INTAKE Narrow tube service valve ø6 35 1 4 Wide tube service valve ø12 70 1 2 184 ø15 88 5 8 224 unit m Unit mm ...

Страница 15: ... try to bend it into a narrow curve because it can cause the tube to break or crack IMPORTANT CAUTION Wide tube Thickness Min 8 mm Insulation Narrow tube Thickness Min 8 mm 4 way valve Accumulator Wide tube service valve Wide tube O D ø12 7 mm 1 2 18 class O D ø15 88 mm 5 8 22 class Compressor Narrow tube service valve Narrow tube O D ø6 35 mm 1 4 Heat exchanger Cooling cycle Heating cycle Indoor ...

Страница 16: ... B temp C 12 11 10 9 8 7 6 5 4 25 30 35 40 45 50 Outdoor inlet air D B temp C Operating current A 13 11 10 9 8 7 6 5 4 5 0 5 10 15 20 Outdoor inlet air D B temp C Operating current A 25 12 15 27 20 15 32 27 21 Outdoor fan speed High Low Overload prevention operates to protect the air conditioner when outdoor ambient temperature reaches extremely high in heating mode Refer to 8 6 Overload preventio...

Страница 17: ... 10 9 8 7 25 30 35 40 45 50 Outdoor inlet air D B temp C Operating current A 16 27 20 15 14 13 12 11 10 9 8 7 5 0 5 10 15 20 Outdoor inlet air D B temp C Operating current A 25 15 16 32 27 21 Outdoor fan speed High Low Overload prevention operates to protect the air conditioner when outdoor ambient temperature reaches extremely high in heating mode Refer to 8 6 Overload prevention Points of Rating...

Страница 18: ...ng Horizontal distance m Axis air velocity m s Vertical distance m Room air temp 27 C Fan speed High Cooling 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 18 Indoor Unit SAP KR184GJH ...

Страница 19: ...istance m Axis air velocity m s Vertical distance m Room air temp 27 C Fan speed High Cooling 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 19 Indoor Unit SAP KR224GJH ...

Страница 20: ...9 SHC 4 77 4 66 4 52 4 31 31 SHC 5 23 4 98 4 68 4 31 TC 5 57 5 30 4 98 4 58 CM 1 40 1 50 1 59 1 67 21 SHC 2 48 2 36 2 23 2 06 19 23 SHC 2 93 2 81 2 68 2 52 25 SHC 3 38 3 27 3 13 2 97 27 SHC 3 83 3 72 3 59 3 42 29 SHC 4 29 4 17 4 04 3 88 31 SHC 4 74 4 63 4 49 4 33 TC 5 90 5 62 5 28 4 86 CM 1 43 1 54 1 63 1 72 23 SHC 2 44 2 33 2 19 2 03 21 25 SHC 2 89 2 78 2 65 2 49 27 SHC 3 34 3 23 3 10 2 94 29 SHC...

Страница 21: ...5 33 5 16 4 95 31 SHC 5 96 5 82 5 65 5 20 TC 6 72 6 40 6 02 5 54 CM 1 94 2 08 2 49 3 17 21 SHC 2 98 2 84 2 67 2 47 19 23 SHC 3 47 3 33 3 16 2 96 25 SHC 3 96 3 82 3 65 3 45 27 SHC 4 45 4 31 4 14 3 94 29 SHC 4 94 4 80 4 63 4 43 31 SHC 5 43 5 29 5 12 4 92 TC 7 12 6 78 6 38 5 87 CM 1 99 2 14 2 55 3 23 23 SHC 2 94 2 80 2 63 2 43 21 25 SHC 3 43 3 29 3 12 2 92 27 SHC 3 92 3 78 3 61 3 41 29 SHC 4 41 4 27 ...

Страница 22: ...door 7 C D B 6 C W B 2 Above characteristics indicate instantaneous operation which does not take into account defrost operation 3 Fan speed High 4 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 anoth...

Страница 23: ...5 C D B Full Load Conditions Indoor Air Temperature 32 C D B 23 C W B Outdoor Air Temperature 43 C D B HEATING Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 240V Single phase 50Hz Rating Conditions Running Amps A 0 28 0 54 5 88 6 70 Power Input kW 0 031 0 122 1 427 1 580 Full Load Conditions Running Amps A 0 28 0 54 7 68 8 50 Power Input kW 0 031 0 122 1 767 ...

Страница 24: ...ons Indoor Air Temperature 32 C D B 23 C W B Outdoor Air Temperature 43 C D B HEATING Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 240V Single phase 50Hz Rating Conditions Running Amps A 0 37 0 71 8 33 9 40 Power Input kW 0 041 0 161 2 038 2 240 Full Load Conditions Running Amps A 0 37 0 71 15 71 12 0 Power Input kW 0 041 0 161 3 294 2 730 Rating Conditions ...

Страница 25: ...2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 R ED WHT WHT WHT WHT WHT WHT WHT WHT IND LAMP ASSY ROOM THERMISTOR COIL THERMISTOR 1 2 3 1 2 3 1 2 3 4 1 2 3 4 BLK BLK BLK BLK 4 3 2 1 4 3 2 1 ION ASSY ION TERMINAL BLK WHT RED BLK BLK 1 7 6 5 4 3 2 1 N L 6 5 4 3 2 TERMINAL BASE 8P EARTH POWER SUPPLY WHT BLK RED BLU RED B L K B L U BLK B L K 20S 6 5 4 1 POWER RELAY 4 WAY VALVE COIL FM GRN YEL CM WHT GRN YEL C R S ...

Страница 26: ...1 L3 T3 6 5 4 3 2 1 6 5 4 3 2 1 Y E L WHT GRY BRN RED PNK BLK MAGNETIC CONTACTOR B L U BLK CONNECTOR 1 2 3 4 5 6 1 2 3 4 5 6 FM 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 FLAP EVAPORATOR FLAP MOTOR FLAP 5P WHT DCM 6P BLU RED PNK BLU BRN YEL GRN YEL GRN YEL E FAN MOTOR RED B L K WHT Y E L B L U CONTROLLER B L K W H T R E D P N K O R G Y E L TERMINAL BASE IN1 IN2 PR RV FMO H FMO L LAMP 9P WHT ROOM COIL...

Страница 27: ...estricted air flow around the unit Fig 1 install the unit within the maximum elevation difference H above or below the outdoor unit and within a total tubing length L from the outdoor unit as detailed in Table 1 and Fig 2a Indoor Unit 5 cm min 5 cm min 15 cm min INDOOR UNIT Front View Wall mounted Type INDOOR UNIT Tubing length L OUTDOOR UNIT Elevation difference H Fig 2 Fig 2a Fig 1 WARNING Table...

Страница 28: ...midity and protect the unit against possible water damage and decreased service life Fig 4c use lug bolts or equal to bolt down unit reducing vibration and noise Outdoor Unit Outdoor unit Hot air Heat source Exhaust fan Fig 3 NO Fig 3 Air intake Min 10 cm Air discharge Min 5 cm Min 40 cm Valve side Min 25 cm Top View Side air intake Rear air intake Concrete or equal About 10 cm Min 10 cm Anchor bo...

Страница 29: ...obstacle between the remote control unit and air conditioner since a check signal is sent from the remote control unit every 5 minutes Attaching the remote control unit to wall Before mounting the remote control unit press the ON OFF operation button at the mounting location to make sure that the air conditioner operates from that location Fig 5 The indoor unit should make a beeping sound to indic...

Страница 30: ...cted No wire should be allowed to touch refrigerant tubing the compressor or any moving part To avoid the risk of electric shock each air conditioner unit must be grounded Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram The indoor unit draws its power from the outdoor unit WARNING WARNING CAUTION WIRING SYSTEM DIAGRAM GROUNDING LINE 6 L N 5 4 3 2 1 TERMI...

Страница 31: ...ng operation in the Test Run mode is unaffected by theroomtemperature 4 After the cooling operation test run has started press and hold the OPERATION button for 3 sec onds or longer to change to heating operation 5 Press the OPERATION button again to stop the test run At this time you do not need to hold down the button for 3 seconds Used both as OPERATION button and RECEIVER Fig 6 CAUTION To prot...

Страница 32: ...he grille into the frame first Fig 9b Then insert the tabs on the top of the grille and on the front face into the frame 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 Attach the thermistor on the grille Fig 8a 4 Close the cover and replace the screw Fig 8a 5 Affix the grille with the 3 previously removed screws Fig 7b 6 Install the air intake grille a Allo...

Страница 33: ...r stops it will not start running again for 3 minutes Thermo ON When room temperature rises 1 C above the set temperature T C Compressor ON Thermo OFF When the room temperature decreases below the set temperature T C Compressor OFF Whenever the compressor is running the indoor unit always generates negative ions ION lamp lights up NOTE ON OFF ON OFF ON OFF Compressor ON OFF ON OFF ON OFF Outdoor f...

Страница 34: ...es below 1 C below the set temperature T C Compressor ON Thermo OFF When the room temperature rises 1 C above the set temperature T C Compressor OFF Whenever the compressor is running the indoor unit always generates negative ions ION lamp lights up The temperature described in this page and previous page gives you an example with remote control operation In case of a body sensor operation operati...

Страница 35: ...temperature is under 15 C which is the monitor zone When the compressor stops the indoor fan stops as well Whenever the compressor is running the indoor unit always generates negative ions ION lamp lights up NOTE Room temp Cooling operation T 2 C Set temp T C T 1 C Monitor zone Both the indoor and outdoor units stop Room temp 15 C Dry A zone Compressor FMI indoor fan Continuous operation L low spe...

Страница 36: ...O mode with the set room temperature at 23 C 27 26 25 24 23 22 21 20 A B C C B A Zone 19 The air conditioner changes the operation mode from cool to heat or vice versa if one of the following conditions occurs ZONE A ZONE B ZONE C OFF OFF Compressor Operation mode Room temperature Heating Cooling Cooling ON ON ON More than 1 hour Within 1 hour Example The mode changes if the difference between the...

Страница 37: ... the control circuit stops the outdoor fan and compressor The compressor stops after 3 seconds During this period Indoor fan operates in LL The outdoor fan then follows compressor does not start again until the temperature rises above 6 C Outdoor fan Compressor Indoor fan 6 c Indoor heat exch coil temp 2 c ON At least approx 2 min 3 sec OFF OFF ON ON ON Set Speed Set Speed LL 2 sec 37 ...

Страница 38: ...ed after the compressor has been stopped the indoor fan stops its operation regardless of the indoor heat exchange coil temperature Standby lamp Compressor Set Speed Low LL UL OFF Set Speed Low LL UL OFF Indoor fan 36 c 30 c 25 c Indoor heat exch coil temp Compressor ON when the coil temp goes up 20 c Compressor OFF when the coil temp goes down ON OFF OFF OFF ON ON NOTE 38 Condition Indoor coil te...

Страница 39: ...tops if the indoor fan is L low speed then the fan speed changes from L low speed to M medium speed When the temperature of the indoor heat exchange coil rises above A C the compressor stops and indoor fan runs in LL very low speed The operation temperature shown as A B C and D in the chart left differ by models NOTE Outdoor fan Compressor Indoor fan A c B c C c Indoor heat exch coil temp D c H OF...

Страница 40: ...e room temperature and set temperature Cooling Heating The figure given above shows an example with remote control sensor operation In case of an body sensor operation temperature differ somewhat NOTE Indoor fan H High M Medium T c T 1 c Set temp H H M Room temp Indoor fan H High M Medium L Low T 2 c T 1 c T c Set temp Room temp H H M M L ...

Страница 41: ...ion Integrated operating time of compressor is longer than 3 hours etc Defrosting time is determined by the elapsed time which vary with certain condition That is indoor fan speed condition of frost detection etc Compressor ON Outdoor fan OFF 4 way valve OFF Indoor fan OFF Standby lamp ON Indoor heat exchanger coil temperature drops 0 8 C per 6 minutes and it repeats 3 times in succession Indoor h...

Страница 42: ...OW If the outdoor air temperature rises above 31 5 C the fan speed switches to HIGH This function does not become active in heating operation H H L 31 5 28 5 Outdoor air temperature C Outdoor fan speed NOTE ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF 60 seconds 55 seconds Start of defrosting Release of defrosting OFF OFF Release of cold draft prevention Compressor Outdoor fan Solenoid coil 4 way v...

Страница 43: ... in specified range 10 of the rating Check that power is being supplied 9 1 4 Check lead wires and connectors in indoor and outdoor units Check that coating of lead wires is not damaged Check that lead wires and connectors are firmly connected Check that wiring is correct GROUNDING LINE 6 L N 5 4 3 2 1 TERMINAL 7 6 5 4 3 2 1 TERMINAL INDOOR UNIT OUTDOOR UNIT GROUNDING LINE POWER SUPPLY 1PHASE 220 ...

Страница 44: ... NO Set circuit breaker to OFF Measure insulation resistance of electrical parts in indoor unit 1 Remove both power supply wires and inter unit wires from terminal plate in outdoor unit Measure insulation resistance of outdoor unit 2 Remove inter unit wires from terminal plate in indoor unit Measure insulation resistance of indoor unit Insulation of outdoor unit is defective Insulation of indoor u...

Страница 45: ...OTE Operation lamp on front side of indoor unit is flashing on and off YES Replace thermistor Indoor room thermistor is defective YES NO Check power supply Power is being supplied to the outdoor unit Circuit breaker is tripped Power failure Reset breaker Wait for recovery or contact power company Replace with suitable one larger capacity NO Check capacity of circuit breaker Capacity of circuit bre...

Страница 46: ...see if light is ON Light is OFF Indoor PCB Ass y is defective Measure resistance of indoor and outdoor fan motor winding FM Measure resistance of compressor motor winding CM Replace the fuse If fuse has been blown OK Try to run with another remote control unit First remote control unit is defective Check for residue buildup on transmitter of remote control unit Check for residue buildup on remote ...

Страница 47: ...terminal voltage between terminals No 5 and No 6 at power relay AC 220 240 V No voltage appears OK Check voltage between terminals No 2 and No 3 at terminal plate AC 220 240 V OK For 184 class model Replace the power relay NO Is room temperature too low Try to lower setting temperature by temperature setting button button Outdoor unit still does not run Check to see if inter unit wiring is correct...

Страница 48: ...r replace OK Check fan motor capacitor OK Check fan motor capacitor Check connectors to indoor PCB Ass y Measure resistance of outdoor fan motor winding Check connectors to outdoor fan motor lead wires Measure resistance of flap motor winding and connector Fan cannot be turned Check fan rotation Turn fan gently once or twice by hand Check fan casing foreign matter on inside Fan motor winding burno...

Страница 49: ...ge Recover refrigerant R410A Rotor may be locked up Measure Power supply voltage The voltage is too low No Evacuate the air conditioner YES For compressor replacement refer to 10 5 In case of compressor malfunction CAUTION In case of leakage do not add refrigerant The unit must be vacuumed and recharged This is because composition of refrigerant in the unit has been changed due to leakage See 10 6...

Страница 50: ... between terminals No 2 and No 5 at the terminal plate AC 220 240V No voltage appears Remote control unit may be defective Measure resistance of 4 way valve s winding Receiver in lamp Ass y may be defective COOL HEAT Check voltage between terminals No 2 and No 5 at the terminal plate 0V HEAT COOL Check to see if switching sound click is heard from 4 way valve s body 50 ...

Страница 51: ...ES Check position of remote control unit Cool or warm air from air conditioner reaches position directly Change position of remote control unit Wide and narrow tubes between indoor unit and outdoor unit are insulated Insulate both wide and narrow tubes separately and then tape together Measure temperature of suction and discharge air of air conditioner Recover refrigerant Check for clogging of air...

Страница 52: ...nect the motor connectors and measure the voltage at the DC motor connectors on the indoor unit controller 3 locations Measurement location Normal value 1 Vm Gnd Between pin 1 and pin 3 DC 230 V or more 2 Vcc Gnd Between pin 4 and pin 3 DC 14 V or more 3 Vs Gnd Between pin 5 and pin 3 Fluctuation between DC 1 0 4 3 V Diagnostic results All of the above measured values are normal Fan motor trouble ...

Страница 53: ...ition state in liquid phase 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...

Страница 54: ...R22 and R407C No addition of compressor oil for R410A No additional charge of compressor oil is permitted No use of refrigerant other than R410A Never use a refrigerant other than R410A 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 Caution in cas...

Страница 55: ... improve the sealing of tubing The following is the HAB oil generally used Esso ZERICE S32 For details on tubing installation procedures refer to the installation manuals attached to the air conditioner 55 Tool Distinction Tool Name Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Charging cylinder Tools specifically for R410A Refrigerant recovery unit Vacuum pump with anti reve...

Страница 56: ...ly 3 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 4 Evacuation 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 pre vent the pump oil from flowing back The equipment may be damaged if moist...

Страница 57: ...cylinder becomes less than 20 of the fully charged amount the composition of the refrigerant starts to change Thus do not use the refrigerant if the amount in the refrigerant 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 0 76Kg using a capacit...

Страница 58: ...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 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 p...

Страница 59: ...tions given in 10 6 In case refrigerant is leaking and completely carry out repairs Only then should you recharge the refrigerant 10 8 Retro fitting existing systems 10 8 1 Use of existing units 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 10 8 2 Use of existing tubing If replacing...

Страница 60: ... metallic part of the unit 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 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 con...

Страница 61: ...s and then place a probe on the capacitor terminals as shown in Fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position The range of deflection and deflection time differ according to the capacity of the capacitor Fuse ...

Страница 62: ...n When this has been done oP 1 test run appears blinking in the remote controller clock display area 4 Each time the 1 HR TIMER button is pressed the display changes as shown below Press this button once to change the display to oP 7 address setting Fig 3 5 oP 7 has now been selected for address setting 6 Press the ON OFF operation button on the remote controller Fig 3 Check that the beep signal r...

Страница 63: ...nce button CANCEL button SENSOR button CLOCK button Advance button NIGHT SETBACK button HIGH POWER button OFF TIME setting buttons Return button ION button QUIET button ADDRESS switch Temperature display selector button Time display selector button Display Sensor Transmitter ON OFF operation button ACL button MODE Selector button 1 HR TIMER button Cover closed INDOOR UNIT TIMER lamp ION lamp OPERA...

Страница 64: ...SANYO Electric Co Ltd Osaka Japan Jul 2005 Printed in Japan ...

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