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TECHNICAL & SERVICE MANUAL
INDOOR UNIT: SAP-DMRV93GJ
DC INVERTER MULTI-SYSTEM AIR CONDITIONER
SAP -DMRV93GJ
SAP – DMRV123GJ
SAP – DMRV183GJ
SAP -DMRV243GJ
SAP-DMRV123GJ
SAP-DMRV183GJ
SAP-DMRV243GJ
Capacity
Indoor Model No.
2.8 kW
SAP -DMRV93GJ-S
3.6 kW
SAP -DMRV123GJ-S
5.0 kW
SAP -DMRV183GJ-S
7.0 kW
SAP -DMRV243GJ-S
Concealed Duct Type Indoor Unit
Revised Edition
Destination: General area (50Hz)
Product Code No.
1 852 084 90
1 852 084 91
1 852 084 92
1 852 084 93
< Combined Outdoor unit >
SAP-CMRV1923GJ (2-room multi unit)
SAP-CMRV2433GJ (3-room multi unit)
SAP-CMRV3143GJ (4-room multi unit)
NOTE
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
only in areas with 50Hz power source.
Therefore, do not use it in regions where the
source is 60Hz.
3. For details about the combinations, refer to
"Unit Combination Table" in the T. Service
Manual for the Multi Outdoor Units.
IMPORTANT
These air conditioners employ
new refrigerant R410A.
Pay special attention when
servicing the unit.
REVISION NO.
NOV.2003
Europe (50Hz)
Australia (50Hz)
General area (60Hz)
SM
700542-01
W
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Summary of Contents for Sanyo SAP-DMRV93GJ
- Page 1 TECHNICAL & SERVICE MANUAL Revised Edition INDOOR UNIT: SAP-DMRV93GJ NOV.2003 SAP-DMRV123GJ SAP-DMRV183GJ Destination: General area (50Hz) Europe (50Hz) SAP-DMRV243GJ Australia (50Hz) General area (60Hz) DC INVERTER MULTI-SYSTEM AIR CONDITIONER Capacity Indoor Model No. Product Code No. 2.8 kW SAP -DMRV93GJ-S 1 852 084 90 3.6 kW...
- Page 2 Important! When Transporting Be careful when picking up and moving the indoor and Please Read Before Starting outdoor units. Get a partner to help, and bend your knees when lifting to reduce strain on your back. Sharp This air conditioning system meets strict safety and edges or thin aluminum fins on the air conditioner can operating standards.
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Page 3: Table Of Contents
Table of Contents Page 1. OPERATING RANGE ..........................1 2. SPECIFICATIONS 2-1. Unit Specifications .......................... 2 2-2. Major Component Specifications....................6 2-3. Other Component Specifications....................10 3. DIMENSIONAL DATA..........................11 4. REFRIGERANT FLOW DIAGRAM ......................12 5. DISASSEMBLY PROCEDURE FOR INDOOR UNIT 5-1. -
Page 4: Operating Range
1. OPERATING RANGE Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp. Maximum 32°C DB / 23°C W.B. 43°C D.B. Cooling Minimum 19°C DB / 14°C W.B. 19°C D.B. -
Page 5: Specifications
2. SPECIFICATIONS 2-1. Unit Specifications Indoor Unit SAP – DMRV93GJ Type Concealed duct type indoor unit Power Source 220–240V ~ 50Hz 220V ~ 60Hz Voltage rating 230 V 220 V Performance Cooling Cooling Capacity ( 0.7 - 3.2 ) ( 0.7 - 3.2 ) Air circulation (Hi / Me / Lo) 850 / 760 / 700 850 / 760 / 700... - Page 6 Indoor Unit SAP – DMRV123GJ Type Concealed duct type indoor unit Power Source 220–240V ~ 50Hz 220V ~ 60Hz Voltage rating 230 V 220 V Performance Cooling Cooling Capacity ( 0.8 - 3.6 ) ( 0.8 - 3.6 ) Air circulation (Hi / Me / Lo) 850 / 760 / 700 850 / 760 / 700 Moisture removal (High)
- Page 7 Indoor Unit SAP – DMRV183GJ Type Concealed duct type indoor unit Power Source 220–240V ~ 50Hz 220V ~ 60Hz Voltage rating 230 V 220 V Performance Cooling Cooling Capacity ( 1.1 - 5.8 ) ( 1.1 - 5.8 ) Air circulation (Hi / Me / Lo) 850 / 760 / 700 850 / 760 / 700 Moisture removal (High)
- Page 8 Indoor Unit SAP – DMRV243GJ Type Concealed duct type indoor unit Power Source 220–240V ~ 50Hz 220V ~ 60Hz Voltage rating 230 V 220 V Performance Cooling Cooling Capacity ( 1.5 - 8.1 ) — Air circulation (Hi / Me / Lo) 1,180 / 760 / 680 —...
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Page 9: Major Component Specifications
2-2. Major Component Specifications 2-2-1. Indoor Unit Indoor Unit SAP – DMRV93GJ Control PCB Part No. POW-DMRV243GJ Controls Microprocessor Control circuit fuse 2.50V 3.15A Remote Control Unit RCS-3MVPS4E Fan & Fan Motor Type Centrifugal fan Q’ty … Dia. and length 2 …... - Page 10 Indoor Unit SAP – DMRV123GJ Control PCB Part No. POW-DMRV243GJ Controls Microprocessor Control circuit fuse 2.50V 3.15A Remote Control Unit RCS-3MVPS4E Fan & Fan Motor Type Centrifugal fan Q’ty … Dia. and length 2 … ø144/L162 Fan motor model … Q’ty KFG4X-51G5P-S No.
- Page 11 Indoor Unit SAP – DMRV183GJ Control PCB Part No. POW-DMRV243GJ Controls Microprocessor Control circuit fuse 2.50V 3.15A Remote Control Unit RCS-3MVPS4E Fan & Fan Motor Type Centrifugal fan Q’ty … Dia. and length 2 … ø144/L162 Fan motor model … Q’ty KFG4X-51G5P-S No.
- Page 12 Indoor Unit SAP – DMRV243GJ Control PCB Part No. POW-DMRV243GJ Controls Microprocessor Control circuit fuse 2.50V 3.15A Remote Control Unit RCS-3MVPS4E Fan & Fan Motor Type Centrifugal fan Q’ty … Dia. and length 2 … ø144/L162 Fan motor model … Q’ty KFG4X-91A5P-S No.
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Page 13: Other Component Specifications
2-3. Other Component Specifications Indoor Unit SAP – DMRV93GJ SAP – DMRV123GJ SAP – DMRV183GJ SAP – DMRV243GJ • Indoor heat exchanger sensor • Indoor air temp sensor 10 20 30 40 50 60 70 80 90 Temperature (°C) Temperature (°C) •... - Page 14 Remote control receiver TIMER TEST OPERATION 83.5 2–ø3.5 3700 AIR INTAKE Remote control unit Inspection access (Field work) 30.0 450 x 450 18.0 14.3 AIR DISCHARGE AIR DISCHARGE (Suspension bolt pitch) Connector for Reciever 4 – Hole for suspension bolt Electrical box Drain pipe O.D.
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Page 15: Refrigerant Flow Diagram
4. REFRIGERANT FLOW DIAGRAM Indoor Unit SAP – DMRV93GJ SAP – DMRV123GJ SAP – DMRV183GJ Cooling Indoor unit 9.52 Indoor heat exchanger 6.35 Indoor Unit SAP – DMRV243GJ Cooling Indoor unit 12.7 Indoor heat exchanger 6.35... -
Page 16: Disassembly Procedure For Indoor Unit
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 and fan motor, disconnect the indoor unit from the system and place it on the floor. Refer to the steps given below. ●... -
Page 17: Removing Fan And Fan Motor
Evaporator , Q R S T , Q R S T ,, QQ RR ,, QQ RR (3) Remove 8 screws holding the evaporator. (Fig. 3) (4) Lift the evaporator up out of the unit. (Fig. 3) SS TT ... - Page 18 (3) Remove 8 screws holding the fan casing. (Fig. 6) Fan casing Fig. 6 (4) Insert a hex wrench in the fan boss and turn it counterclockwise to loosen the fan. (Fig. 7) Hex head screwdriver or hex wrench (3.0 mm) Fan boss Fig.
- Page 19 (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) Hex head screwdriver or hex wrench (3.0 mm) Fan boss Fig. 7...
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Page 20: Electrical Data
6. ELECTRICAL DATA 6-1. Electric Wiring Diagram Indoor Unit SAP–DMRV93GJ To avoid electrical shock hazard, be SAP–DMRV123GJ sure to disconnect power before WARNING SAP–DMRV183GJ checking, servicing and/or cleaning any electrical parts. SAP–DMRV243GJ Fan motor Terminal plate Connector (WHT) 5P (BLK) Trans-P 3P (WHT) Controller... -
Page 21: Installation Instructions
7. INSTALLATION INSTRUCTIONS Installation Site Selection 7-1. Indoor Unit Indoor unit To prevent abnormal heat WARNING generation and the possibility of fire, do not place obstacles, enclosures, and grilles in front of or surrounding the air conditioner in a way that may block air flow. - Page 22 ● install in a sturdy manner to avoid increased Tubing length (L1) INDOOR operating noise. UNIT (1) INDOOR ● install the unit within the maximum elevation UNIT (2) difference (H1, H2, H3, H4) above or below the Elevation difference (H1) OUTDOOR outdoor unit and within a total tubing length (L1+L2, UNIT...
- Page 23 Indoor unit Outdoor unit φ6.35 (93 123 types) φ9.52 φ9.52 φ6.35 (93 123 types) φ9.52 φ9.52 φ6.35 (183 type) φ9.52 φ9.52 (Less than 17 m) Fig. 4b (3) Connecting indoor unit types (93–243) for CMRV3143GJ (1) Connecting indoor unit types 93 to 123 at D Indoor unit Outdoor unit φ6.35...
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Page 24: Embedding The Tubing And Wiring
(3) Connecting indoor unit type 183 at D (Length of tube: less than 17 m) Indoor unit Outdoor unit φ6.35 (93 123 types) φ9.52 φ9.52 φ6.35 (93 123 types) φ9.52 φ9.52 φ6.35 (93 123 types) φ9.52 φ9.52 φ6.35 (183 type) φ12.7 φ9.52 Flare φ12.7... -
Page 25: Increasing The Fan Speed
■ Wiring the Inter-Unit Connections 1) Remove the 4 screws anchoring the electrical box cover, and open the cover. (Fig. 6) 2) Install the inter-unit wiring onto the terminal board located inside the electrical box. (Fig. 7) Be sure to comply with the wiring diagram. 3) Anchor the inter-unit wiring with the clamp. - Page 26 ■ How to Read the Diagram Indoor Fan Performance The vertical axis is the external static pressure (Pa) (9,000 BTU) while the horizontal axis represents the AIR FLOW 9 Type /minute). The characteristic curves for “HT”, “H”, Upper Limit Line (High) “M”...
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Page 27: Mounting The Receiver
7-4. Mounting the Receiver ● Mount the receiver on the reverse side of the ceiling (Fig. 15) ● JISC8435 SM36 receiver cover (field supply) is recommended. ● Make a hole (72 x 46 mm) for mounting the receiver. Switch box (Field supply) 5 hole x 2 Screw Insert ceiling board... -
Page 28: Functions
8. FUNCTIONS 8-1. Operation Functions ■ Functions of the main unit controller ■ SENSOR DRY 1 OFF During automatic operation, the system adjusts the room : • Used to stop the unit when the remote temperature and fan speed according to the conditions in the (Self-diagnostics) controller is unavailable. -
Page 29: On Timer Operation
■ HIGH POWER ■ Lamp colors Raises the power but remains in the same operating mode. Operation lamp This function is set with the HIGH POWER button on the remote DRY operation : Orange controller. COOL operation : Green (It is set regardless of the temperature and fan speed settings.) TIMER lamp : Green ●... -
Page 30: Protective Functions
• This prevents remote controller signal interference when two operation is stopped when the temperature of the indoor heat Sanyo air conditioners are installed next to each other. exchanger matches the conditions below. Ordinarily, the address is set to A. If it is necessary to change the address, follow the procedure below. -
Page 31: Troubleshooting
9. TROUBLESHOOTING ■ Precautions before performing inspection or repair ● After checking the self-diagnostics monitor, turn the power OFF before starting inspection or repair. ● High-capacity electrolytic capacitors are used inside the outdoor unit controller (inverter). They retain an electrical charge (charging voltage DC 280 V) even after the power is turned OFF, and some time is required for the charge to dissipate. - Page 32 Details of Self-Diagnostics When the operation selector on the remote control receiver is moved from the ON or TEST position to the OFF (Self- diagnostics) position, the indicator lamps on the receiver will flash (or remain ON) for 5 seconds and then turn OFF for 2 seconds (buzzer sounds once) to indicate the presence of a sensor failure or the activation of a protective function.
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Page 33: Checking The Indoor And Outdoor Units
■ If the self-diagnostics function fails to operate • No indicators illuminate and the Check the indoor unit. indoor fan does not turn. • Check the power voltage. Blown Is the fuse blown? Normal Replace the circuit board or the fuse. Replace the controller. -
Page 34: Noise Malfunction And Electromagnetic Interference
<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. -
Page 35: Appendix
INSTRUCTION MANUAL APPENDIX Concealed Duct Type Indoor Unit... - Page 36 Features This air conditioner is equipped with cooling and drying functions. Details on these functions are provided below; refer to these descriptions when using the air conditioner. Microprocessor Controlled Operation Automatic and 3-step Fan Speed Auto/High/Medium/Low The interior compartment of the remote control unit contains several features to facilitate High Power Cooling automatic operation, easy logically displayed...
- Page 37 Contents Page Features ......................2 Product Information ..................3 Alert Symbols ....................3 Installation Location ..................4 Electrical Requirements .................. 4 Safety Instructions ..................4 Names of Parts ....................5 Using the Remote Control Unit ..............11 Operation with the Remote Control Unit ............ 12 1.
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Page 38: Installation Location
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. -
Page 39: Names Of Parts
Names of Parts Air outlet grilles Receiver (Field supply) Duct Air intake grille (Field supply) (Field supply) Drain hose Remote control unit Refrigerant tubes OUTDOOR UNIT Air outlet This illustration is based on the external view of a standard model. NOTE Consequently, the shape may differ from that of the air conditioner which you have selected. - Page 40 Remote Control Receiver and Operation Selector Operation selector TIMER lamp Receiver OPERATION lamp IMPORTANT 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. If the trouble happens, disconnect power and restart the air conditioner after a few minutes.
- Page 41 Remote Control Unit (Display) Displayed when setting temperature in automatic operation Displayed when transmitting data Displayed when indoor unit sensor is in use Displayed when setting temperature Displayed when setting timer Symbols (1) Operation mode (5) ECONOMY ......AUTO ........(6) High power operation ...
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Page 42: Remote Control Unit
Remote Control Unit Sensor Transmitter (Cover closed) Display HIGH POWER button ON/OFF operation button 1 HR. TIMER button Temperature setting buttons (TEMP .) ECONOMY button OFF TIME setting button ON TIME setting button MODE selector button Return button FAN SPEED selector button Advance button FLAP button SET button... - Page 43 Remote Control Unit (continued) ON TIME/OFF TIME No display : The timer does not operate. setting buttons : The air conditioner stops at the set time. : The air conditioner starts at the set time. : The air conditioner stops and starts, or starts and stops, at the set times every day.
- Page 44 Normally, the address switch is set to A. When switching the adress, take the steps listed below. Contact your dealer where you made the purchase if 3 or more Sanyo air conditioners are to be operated. 1 Break off the address switching tabs on the remote control unit, and set the address switch to B.
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Page 45: Using The Remote Control Unit
Using the 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. -
Page 46: Operation With The Remote Control Unit
Operation with the Remote Control Unit 1. Automatic Operation STEP 2 STEP 3 STEP 1 STEP 1 Press the MODE selector button and select (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. -
Page 47: Manual Operation
Operation with the Remote Control Unit (continued) As shown in the figure below, the automatic selection of the operating modes is determined by the indoor temperature and outside air temperature. Temperature setting Indoor temperature (standard) Approx. Approx. Approx. 27°C 15°C 22°C Cooling Approx. - Page 48 Operation with the Remote Control Unit (continued) STEP 1 Press the MODE selector button and select the desired mode. For dehumidifying operation For cooling operation STEP 2 To start the air conditioner, press the ON/OFF operation button. STEP 3 Press the temperature setting buttons to change the temperature setting to the desired temperature.
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Page 49: Adjusting The Fan Speed
Operation with the Remote Control Unit (continued) 3. Adjusting the Fan Speed A. Automatic Simply set the FAN SPEED selector button to the position. B. Manual If you want to adjust fan speed manually during operation, just set the FAN SPEED selector button as desired. [ , or 4. -
Page 50: Special Remarks
Operation with the Remote Control Unit (continued) In Cooling and DRY When the ECONOMY mode is selected, the air conditioner Mode: ( and ) 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. -
Page 51: Setting The Timer
Setting the Timer 1. How to set the present (Example) To set to 10:30 pm. time Operation Indication 1. Press the CLOCK button three The time indication alone blinks. times. 2. Press the Advance, Return ( , ) The time can be set in 1-minute button until PM 10:30 is increments. - Page 52 Setting the Timer (continued) NOTE • The timer can be programmed while the unit is operating or while it is stopped. • A timer program is canceled after the timer has operated. So the timer should be set every time programming operation is to be performed.
- Page 53 Setting the Timer (continued) 4. How to set DAILY ON/ (Example) To start operation at 7:10 am. and stop the air conditioner at OFF REPEAT timer 11:00 am. 7:10 am. 11:00 am. Present time Operation Indication The present time 10:30 pm. and 1.
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Page 54: Setting The 1-Hour Off Timer
Setting the 1-Hour OFF Timer 1. 1-Hour OFF Timer This function causes the unit to operate for one hour and then stop, regardless of whether the unit is on or off when this button is pressed. indicator in the display indicates that this function is operating. Setting the 1-Hour OFF Timer: Regardless of whether the unit is operating or stopped, press the 1 HR. -
Page 55: Tips For Energy Saving
Setting the HIGH POWER Operation (continued) NOTE When operating the unit at During a cooling operation HIGH POWER mode for one • The room is cooled down for 15 minutes by cooling at a slightly lower indoor unit temperature than usual, and the fan speed is set to the highest fan speed setting. -
Page 56: Operation Without The Remote Control Unit
Operation without the Remote Control Unit If you have lost the remote control unit or it has trouble, follow the steps below. 1. When the air conditioner is not running If you want to turn on the air conditioner, switch the operation selector to the OFF position, and then to the ON position. -
Page 57: Troubleshooting
Troubleshooting If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or service center. Trouble Possible Cause Remedy Air conditioner does not run 1. Power failure. 1. - Page 58 SANYO Electric Co., Ltd. Osaka, Japan 700542 MAY/2003 Printed in Japan...
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