Sanyo SAP-DMRV123GJ Technical & Service Manual Download Page 12

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Indoor Unit

SAP – DMRV243GJ

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Control PCB

Part No.

POW-DMRV243GJ

Controls

Microprocessor

Control circuit fuse

2.50V 3.15A

Flap Motor and Louver Motor

Type

—

Model

—

Rating

—

Coil resistance (Ambient temp. 25°C)

Ω

—

Heat Exchanger Coil

Coil

Aluminum plate fin / Copper tube

Rows

Fin pitch

1.3

Face area

0.147

Fan & Fan Motor

Type

Centrifugal fan

Q’ty … Dia. and length

2 … ø144/L162

Fan motor model … Q’ty

KFG4X-91A5P-S

No. of poles … rpm (230V, High)

4 … 1330

Nominal output

Coil resistance (Ambient temp. 20°C)

Ω

BRN – WHT:

87.1

ORG – YEL:

32.3

WHT – VLT:

15.1

YEL

– BLK: 143.8

VLT

– ORG: 111.8

BLK

– PNK: 103.6

Safety devices

Type

Thermal protector

Operating temp.

Open

°C

130 ± 8

Automatic reclosing

Run capacitor

µF

3.5

VAC

440

Remote Control Unit

RCS-3MVPS4E

Summary of Contents for SAP-DMRV123GJ

Page 1: ...ant R410A Pay special attention when servicing the unit Concealed Duct Type Indoor Unit Combined Outdoor unit SAP CMRV1923GJ 2 room multi unit SAP CMRV2433GJ 3 room multi unit SAP CMRV3143GJ 4 room multi unit 1 The indoor unit SAP DMRV243 can only be combined with a 4 room multi unit Therefore do not combine it with a 2 room multi unit or 3 room multi unit 2 The indoor unit SAP DMRV243 can operate...

Page 2: ...rting 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 unit s weight It may be necessary to construct a strong wood or metal f...

Page 3: ...OCEDURE FOR INDOOR UNIT 5 1 Removing Electrical Box 13 5 2 Removing Evaporator 13 5 3 Removing Fan and Fan Motor 14 6 ELECTRICAL DATA 6 1 Electric Wiring Diagram 17 7 INSTALLATION INSTRUCTIONS 7 1 Indoor Unit 18 7 2 Embedding the Tubing and Wiring 21 7 3 Increasing the Fan Speed 22 7 4 Mounting the Receiver 24 7 5 Test Run 24 8 FUNCTIONS 8 1 Operation Functions 25 8 2 Protective Functions 27 9 TRO...

Page 4: ...1 1 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Maximum 32 C DB 23 C W B 43 C D B Minimum 19 C DB 14 C W B 19 C D B ...

Page 5: ...ning amperes A 0 41 0 40 Power input W 95 90 Features Controls Temperature control Microprocessor I C thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Daily program 1 hour OFF Fan speeds 3 and Auto Airflow direction Indoor Horizontal Vertical Air filter Field supply Operation sound Hi Me Lo dB A 41 39 37 41 39 37 Refrigerant tubing connections Flare type Refrigerant Narro...

Page 6: ...0 40 Power input W 95 90 Features Controls Temperature control Microprocessor I C thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Daily program 1 hour OFF Fan speeds 3 and Auto Airflow direction Indoor Horizontal Vertical Air filter Field supply Operation sound Hi Me Lo dB A 41 39 37 41 39 37 Refrigerant tubing connections Flare type Refrigerant Narrow tube mm in 6 35 1 ...

Page 7: ...0 40 Power input W 95 90 Features Controls Temperature control Microprocessor I C thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Daily program 1 hour OFF Fan speeds 3 and Auto Airflow direction Indoor Horizontal Vertical Air filter Field supply Operation sound Hi Me Lo dB A 41 39 37 41 39 37 Refrigerant tubing connections Flare type Refrigerant Narrow tube mm in 6 35 1 ...

Page 8: ...ols Temperature control Microprocessor I C thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Daily program 1 hour OFF Fan speeds 3 and Auto Airflow direction Indoor Horizontal Vertical Air filter Field supply Operation sound Hi Me Lo dB A 52 41 39 Refrigerant tubing connections Flare type Refrigerant Narrow tube mm in 6 35 1 4 tube diameter Wide tube mm in 12 7 1 2 Refrige...

Page 9: ...oil Coil Aluminum plate fin Copper tube Rows 2 Fin pitch mm 1 6 Face area m2 0 118 Fan Fan Motor Type Centrifugal fan Q ty Dia and length mm 2 ø144 L162 Fan motor model Q ty KFG4X 51G5P S No of poles rpm 230V High 4 1009 Nominal output W 50 Coil resistance Ambient temp 20 C Ω BRN WHT 141 0 ORG YEL 12 8 WHT VLT 37 7 YEL BLK 58 2 VLT ORG 21 0 BLK PNK 33 3 Safety devices Type Thermal protector Operat...

Page 10: ...n Copper tube Rows 2 Fin pitch mm 1 6 Face area m2 0 147 Fan Fan Motor Type Centrifugal fan Q ty Dia and length mm 2 ø144 L162 Fan motor model Q ty KFG4X 51G5P S No of poles rpm 230V High 4 1009 Nominal output W 50 Coil resistance Ambient temp 20 C Ω BRN WHT 141 0 ORG YEL 12 8 WHT VLT 37 7 YEL BLK 58 2 VLT ORG 21 0 BLK PNK 33 3 Safety devices Type Thermal protector Operating temp Open C 130 8 Clos...

Page 11: ...n Copper tube Rows 2 Fin pitch mm 1 3 Face area m2 0 147 Fan Fan Motor Type Centrifugal fan Q ty Dia and length mm 2 ø144 L162 Fan motor model Q ty KFG4X 51G5P S No of poles rpm 230V High 4 1009 Nominal output W 50 Coil resistance Ambient temp 20 C Ω BRN WHT 141 0 ORG YEL 12 8 WHT VLT 37 7 YEL BLK 58 2 VLT ORG 21 0 BLK PNK 33 3 Safety devices Type Thermal protector Operating temp Open C 130 8 Clos...

Page 12: ... Copper tube Rows 3 Fin pitch mm 1 3 Face area m2 0 147 Fan Fan Motor Type Centrifugal fan Q ty Dia and length mm 2 ø144 L162 Fan motor model Q ty KFG4X 91A5P S No of poles rpm 230V High 4 1330 Nominal output W 90 Coil resistance Ambient temp 20 C Ω BRN WHT 87 1 ORG YEL 32 3 WHT VLT 15 1 YEL BLK 143 8 VLT ORG 111 8 BLK PNK 103 6 Safety devices Type Thermal protector Operating temp Open C 130 8 Clo...

Page 13: ... 20 30 40 50 60 70 80 90 40 60 80 100 120 140 160 180 200 20 10 1 2 3 4 5 6 7 8 9 10 15 20 25 30 35 40 Indoor air temp sensor Indoor heat exchanger sensor Humidity sensor 30 35 40 45 50 55 60 65 70 75 80 85 90 1 10 100 1000 25 C Resistance Ω Resistance Ω Resistance Ω Temperature C Temperature C Relative humidity ...

Page 14: ... access Field work unit mm AIR DISCHARGE AIR DISCHARGE A I R I N T A K E Narrow tube ø6 35 1 4 Drain pipe O D ø26 9 Wide tube ø9 52 3 8 DMRV93 123 183 Wide tube ø12 7 1 2 DMRV243 3 0 260 Connector for Reciever Electrical box 16 5 7 0 30 0 18 0 R 6 5 C 5 0 R 6 5 4 Hole for suspension bolt AIR INTAKE A I R I N T A K E Remote control unit 182 61 23 65 110 15 78 14 3 Remote control receiver ON OPERATI...

Page 15: ...ANT FLOW DIAGRAM 12 Indoor Unit SAP DMRV93GJ SAP DMRV123GJ SAP DMRV183GJ 9 52 EC P 6 35 Indoor unit Cooling Indoor heat exchanger 12 7 EC P 6 35 Indoor unit Cooling Indoor heat exchanger Indoor Unit SAP DMRV243GJ ...

Page 16: ... SS T QQ R SS T Q S QQ QQ RR RR SS TT QQ R SS SS T T QQ R SS T Top panel Mounting plate Fig 2 Holder Thermistor sensor Electrical box Cover plate Remote control receiver Connectors Fig 1 5 DISASSEMBLY PROCEDURE FOR INDOOR UNIT IMPORTANT Please Read Before Starting Safety precautions for servicing the MINI DUCT indoor unit Before attempting to replace heavy and bulky parts such as the evaporator an...

Page 17: ...Motor 1 Remove 8 screws holding the base plate for the fan and fan motor Fig 4 2 Remove 8 screws holding the fan casing Then pull the casing toward you Fig 5 Fan casing Fig 6 Base plate Fig 4 QQQ QQQ RR RR SSS SSS TT TT QQ RR SS SS TT TT Q R S T Q RS T Q R S T QQ RR SS TT QQ RR SS TT R T QQ QQ RR RR SS TT Evaporator Fig 3 ...

Page 18: ...rt a hex wrench in the fan boss and turn it counterclockwise to loosen the fan Fig 7 5 Gently lift the opening of the fan motor casing to access the fan Fig 8 Fan casing Fan Fig 8 Fan Hex head screwdriver or hex wrench 3 0 mm Fan boss Fig 7 Fan casing Fig 6 ...

Page 19: ...16 6 Remove 2 screws holding the fan motor Fig 9 7 Lift the fan motor up to free it from the motor holder Fig 9 Fan Hex head screwdriver or hex wrench 3 0 mm Fan boss Fig 7 ...

Page 20: ...P WHT Lamp 1 3P WHT HUM 2P RED Lamp 2 5P WHT SW 1 3P BLK Trans S 2P WHT Connector WHT Capacitor Demo switch Static pressure switch Demo SW 2P WHT Fan SW 2P BLK Controller 6 1 Electric Wiring Diagram Indoor Unit SAP DMRV93GJ SAP DMRV123GJ SAP DMRV183GJ SAP DMRV243GJ To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING ...

Page 21: ...ion from which every corner of the room can be uniformly cooled High on a wall is best select a location that will hold the weight of the unit select a location where tubing and drain hose have the shortest run to the outside Fig 1 install the inter unit cable more than 1 meter away from any antenna or power lines or connecting wires used for television radio telephone security system or intercom ...

Page 22: ...cting indoor unit types 93 243 for CMRV2433GJ φ6 35 φ6 35 φ9 52 Union φ12 7 φ9 52 φ9 52 A B 93 123 types Outdoor unit Indoor unit 183 type Flare φ9 52 Union φ12 7 φ12 7 Flare φ9 52 φ9 52 φ12 7 Optional parts STK 34TC φ12 7 φ9 52 Optional parts STK 43TCA A joint for connecting tubes of different sizes More than 17 m 1 φ6 35 φ6 35 φ9 52 φ9 52 A B 93 123 types Outdoor unit Indoor unit 183 type φ9 52 ...

Page 23: ... C Outdoor unit Indoor unit Union φ9 52 Flare φ12 7 φ12 7 D φ12 7 φ9 52 Supplied Reducer 93 123 types 93 123 types 93 123 types 93 123 types 1 Connecting indoor unit types 93 to 123 at D φ6 35 φ6 35 φ6 35 φ6 35 φ9 52 φ9 52 φ9 52 φ9 52 φ12 7 A φ9 52 B φ9 52 C Outdoor unit Indoor unit Union φ12 7 Flare φ9 52 φ12 7 D φ12 7 φ9 52 Optional parts STK 43TCA 93 123 types 93 123 types 93 123 types 183 type...

Page 24: ...o water droplets and lead to water contamination of the refrigerant circuit In order to prevent insulation breakdown and ground faults do not allow wiring ends to come in contact with rainwater or be subjected to condensation or dew Apply sufficient thermal insulation to the refrigerant tubing and drain pipes φ6 35 φ6 35 φ6 35 φ6 35 φ9 52 φ9 52 φ9 52 φ9 52 φ9 52 A φ9 52 B φ9 52 C Outdoor unit Indo...

Page 25: ...ctor to the socket located outside the electrical box Fig 9 7 3 Increasing the Fan Speed If external static pressure is too great due to long extension of ducts for example the air flow volume may drop too low at each air outlet This problem may be solved by increasing the fan speed shifting the static pressure switch from L to H Fig 10 CAUTION Do not allow inter unit wiring to come in contact wit...

Page 26: ...16 18 20 Lower Limit Line Low 80 70 60 50 40 30 20 10 0 Upper Limit Line High H HT M L Upper Limit Line Low Static Pressure Pa Air Flow m3 minute HT H M L Upper Limit Line High Upper Limit Line Low Lower Limit Line High Lower Limit Line Low 4 6 8 10 12 14 16 18 20 80 70 60 50 40 30 20 10 0 H HT M L Static Pressure Pa Air Flow m3 minute HT H M L Upper Limit Line Low Lower Limit Line High 4 6 8 10 1...

Page 27: ...r source 2 Set the remote control receiver of the indoor unit to the TEST position This starts the fans producing uncooled forced air with the OPR lamp lit Fig 16 3 After 3 minutes the system shifts into cooling operation and cool air will start to be felt Cooling operation with the switch at the TEST position is unaffected by the room temperature 4 After stopping the test run turn the remote cont...

Page 28: ...order to maintain a comfortable room environment SENSOR DRY operation DRY operation is as shown in the figure below PAM α control In order to further improve inverter performance control is switched between PWM control at low operation speeds and PAM control at high operation speeds making the most effective use of power The compressor operation frequency varies depending on the relative humidity ...

Page 29: ...d A comfort time is calculated from the set temperature and the room temperature either 60 minutes prior or 30 minutes prior to the set ON timer time and operation is started in advance of the set ON time The indoor fan speed is Medium COOL Indoor temperature Set temperature Temperature difference OFF timer operation Operation stops when the time set for the OFF timer is reached When a time is set...

Page 30: ...on is detected the air conditioner will work less than the maximum frequency until it is turned off A B C a b c d Indoor heat exchanger temperature C 2 6 8 This prevents remote controller signal interference when two Sanyo air conditioners are installed next to each other Ordinarily the address is set to A If it is necessary to change the address follow the procedure below If 3 or more up to 4 uni...

Page 31: ...ure below to perform diagnostics Operation switch Ordinarily be sure this is always set to NORMAL The DEMO position is used for inspections and similar maintenance Operation selector Ordinarily be sure this is always set to ON The OFF and TEST positions are used for inspections and similar maintenance 1 Turn the power switch ON 2 Move the operation selector on the remote control receiver to OFF se...

Page 32: ...1 Miswiring 2 AC power failure 3 Blown fuse 4 Power relay failure 5 Indoor or outdoor circuit board failure 1 Electric expansion valve failure 2 Capillaries blocked 3 No gas 4 Continuous overload operation 5 Outdoor fan does not turn 6 Outdoor circuit board failure 1 Miswiring 2 Blown fuse 3 Power relay failure 4 Open phase 5 Outdoor circuit board failure 6 Compressor failure 1 Instantaneous power...

Page 33: ...oor unit 3P terminal block Initial self diagnostics Probable location of malfunction Short circuit terminals 2 and 3 on the indoor unit 3P terminal block Apply the rated voltage between outdoor unit terminals 1 and 2 If there are no problems with the above then check the indoor unit Turn the power OFF before performing short circuiting work During the self diagnostics check the check results are t...

Page 34: ...stance from the noise source 1 Use shielded wires 2 Move unit away from the noise source Trouble Either of the following trouble may occur 1 The unit may stop suddenly during operation 2 Indicator lamps may flicker Electromagnetic interference This refers to the noise generated by high speed switching of the microcomputer and compressor This noise radiates through space and returns to electric wir...

Page 35: ...32 INSTRUCTION MANUAL Concealed Duct Type Indoor Unit APPENDIX ...

Page 36: ...timer can be set to automatically turn off the unit at any time after one hour ECONOMY Mode 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 High Power Cooling When a cooling or drying operation is to be performed the air conditioner operate...

Page 37: ...e 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 and 93 68 EEC This decla...

Page 38: ...rough the supply wiring 3 Wiring must be done by a qualified electrician Safety Instructions Read this Instruction Manual carefully before using this air conditioner If you still have any difficulties or problems consult your dealer for help This air conditioner is designed to give you comfortable room conditions Use this only for its intended purpose as described in this Instruction Manual Never ...

Page 39: ...hrough the air outlet Remote Control Unit The wireless remote control unit controls power ON OFF operation mode selection temperature fan speed and timer setting RefrigerantTubes The indoor and outdoor units are connected by copper tubes through which refrigerant gas flows Drain Hose Moisture in the room condenses and drains off through this hose Outdoor Condensing Unit The outdoor unit contains t...

Page 40: ... the main power switch to turn off power completely TEST position This position is used only when servicing the air conditioner CAUTION Do not set at theTEST position for normal operation OPERATION lamp This lamp lights when the system is in the continuous AUTO orange or green DRY orange and COOL green mode TIMER lamp This lamp lights when the system is being controlled by the timer OI 645 06EG OP...

Page 41: ...Set temperature 16 30 C When set to 28 C Current temperature indication 4 Timer ON Timer OFF Timer 1 hour OFF Timer Remote Control Unit Display Displayed when indoor unit sensor is in use Displayed when setting timer Displayed when transmitting data Displayed when setting temperature Symbols Displayed when setting temperature in automatic operation OI 645 07EG ...

Page 42: ...OFF operation button This button is for turning the air conditioner on and off When you press this button regardless of whether the unit is operating or stopping the unit operates for one hour and then shuts down Press the button to increase the set temperature Press the button to reduce the set temperature For details see Automatic operation and Manual operation Remote Control Unit Temperature se...

Page 43: ...ergy MODE selector button Use this button to select AUTO DRY or COOL mode AUTO When this setting is selected the air conditioner calculates the difference between the outdoor temperature and the room temperature and automatically switches to the COOL or DRY mode as appropriate DRY The air conditioner reduces the humidity in the room COOL The air conditioner makes the room cooler FAN SPEED selector...

Page 44: ...ing tone beep is heard from the indoor unit Normally the tabs on the remote control unit should not be bent A C SENSOR button When you press this button use a small tipped object such as a ballpoint pen the 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 contr...

Page 45: ...nit Replace the batteries when the remote control unit s display fails to indicate or when the remote control cannot be used to change the air conditioner s settings Use two fresh leak proof type AAA alkaline batteries In replacing batteries follow the instructions as mentioned in the sub section How to Install Batteries If you do not use the remote control unit more than 1 month take out the batt...

Page 46: ... AUTO STEP 2 Press the ON OFF button and switch the air conditioner ON STEP 3 Press the temperature setting buttons TEMP The air conditioner starts operating after automatically selecting the type of operation whether drying dehumidifying or cooling that suits the conditions in the room and automatically adjusting the temperature and fan speed Each time one of the temperature setting buttons TEMP ...

Page 47: ...lly but the airflow direction and fan speed can be changed to suit your individual preference It will take a few seconds for the fan speed to be switched 2 Manual Operation NOTE Check that the circuit breaker on the power panel is turned on and that the operation selector of the indoor unit is in the ON position STEP 1 STEP 2 STEP 3 STEP 4 Indoor temperature Outside air temperature Cooling operati...

Page 48: ... room temperature rises above the temperature setting during a drying operation the unit performs similar operation to cooling and when the room temperature approaches the temperature setting it performs the humidity priority drying operation The drying operation does not serve to raise the room temperature When the outside air temperature is low or when the heat quantity inside the room is low th...

Page 49: ...y during operation just set the FAN SPEED selector button as desired or 4 ECONOMY Mode The ECONOMY Mode is used for saving energy Press the ECONOMY button while the air conditioner is operating The mark appears in the display To cancel the ECONOMY function press the ECONOMY button again Operation with the Remote Control Unit continued OI 645 15EG ...

Page 50: ... setting condition to the air conditioner regularly at five minute intervals Power failure during operation Clicking sound is heard from the air conditioner When the ECONOMY mode is selected the air conditioner automatically raises the temperature setting 1 C when 60 minutes have passed after the selection was made This enables you to save energy without sacrificing comfort This function is conven...

Page 51: ... time rapidly in 10 minute increments This completes the setting of the current time 2 How to set the OFF time Example To stop the air conditioner at 11 00 am 1 Press the OFFTIME setting button once 2 Press the Advance Return button until AM 11 00 is displayed 3 Press the SET button The timer indication blinks and present OFF time is shown The time can be set in 10 minute increments Holding down t...

Page 52: ...imer is used the temperature setting may not be reached by the set time depending on the size and conditions in the room To cancel a timer program Press the CANCEL button When either an ON or OFF timer is to be canceled press the button corresponding to the timer whose program is to be canceled and then press the CANCEL button Operation 1 Press the ONTIME setting button once 2 Press the Advance Re...

Page 53: ...3 1 2 3 Indication The present time 10 30 pm and are displayed OFF time Present time ON time Daily ON OFF NOTE The ON OFF combination timer uses the current time as the reference and it is activated starting from whichever set time comes first With the ON OFF combination timer the settings are repeated every day You can check the timer ON OFF times after you have set them by pressing the ONTIME an...

Page 54: ...Whichever function is set last takes precedence If the 1 HR TIMER button is pressed while theTIMER OFF function operates the OFF Timer is cancelled and the unit will stop operating one hour later 2 Operation together with the DAILY ON OFF REPEAT Timer Setting the HIGH POWER Operation 1 HIGH POWER Operation This function causes the unit to operate at HIGH POWER in the present mode of operation for ...

Page 55: ...tinue for the next 5 minutes at a reduced power level after which the regular operation is restored If the setting is not reached in either case regular operation is restored immediately After HIGH POWER operation has finished or when a HIGH POWER operation has been canceled on the way and then reinstated regular operation is performed for about 5 minutes to protect the unit and then the HIGH POWE...

Page 56: ...clean it This will damage the internal components and cause an electric shock hazard An air filter is not provided with this air conditioner at the time of shipment To get clean air and to extend the service life of the air conditioner an air filter must be installed in the air intake For installation and cleaning the air filter consult your dealer or service center NOTE The frequency with which t...

Page 57: ...ace batteries Contact service center Remove obstruction 1 Clean air filter to improve airflow 2 Eliminate heat source if possible 3 Shut them to keep the heat out 4 Remove it to ensure good airflow 5 Set the temperature lower This is normal and the sound will soon disappear 1 Turn off the power then restart the air conditioner after 1 minute 2 Consult your dealer 1 Power failure 2 Leakage circuit ...

Page 58: ...SANYO Electric Co Ltd Osaka Japan SM700542 MAY 2003 Printed in Japan ...

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