Page 2 - SPECIAL PRECAUTIONS; WARNING; Please Read Before Starting; sites and maintenance conditions. If you require help for
When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. ONLY A QUALIFIED, EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM. SPECIAL PRECAUTIONS This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death.This symbol refers to a haza...
Page 3 - Table of Contents; APPLICABLE INDOOR UNITS; -1. Precautions before Performing Inspection or Repair; SPECIAL PRECAUTIONS WHEN SERVICING UNIT; -1. Characteristics of New Refrigerant R410A
Table of Contents APPLICABLE INDOOR UNITS 1. OPERATING RANGE 2. SPECIFICATIONS 2-1. Unit Specifications 2-2. Major Component Specifications 2-3. Other Component Specifications 3. DIMENSIONAL DATA 4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram 5. PERFORMANCE DATA 5-1. Temperature Charts 6....
Page 4 - Page
APPENDIX A INSTALLATION INSTRUCTIONS (SAP-CMRV1426EH) APPENDIX B INSTALLATION INSTRUCTIONS SAP-CMRV1926EH, SAP-CMRV1936EH SAP-CMRV2446EH, SAP-CMRV3146EH APPENDIX C UNIT COMBINATION TABLES A-1 A-2 A-3 ............................................................................. .........................
Page 5 - Indoor Unit; NOTE
APPLICABLE INDOOR UNITS SAP-CMRV1426EH Multi-Outdoor Unit Indoor Unit YES YES YES NO NO SAP-CMRV1926EH YES YES YES YES NO SAP-CMRV1936EH YES YES YES YES NO SAP-CMRV2446EH YES YES YES YES YES SAP-CMRV3146EH 2-Room 2-Room 3-Room 4-Room 4-Room YES YES YES YES YES SAP- KMRV76EH SAP- KMRV96EH SAP- KMRV12...
Page 12 - Outdoor Unit; Yes
Control PCB Control Circuit Fuse Controls Part No. Microprocessor 250V 25A CB-CMRV1426EH 1 ... D420 Propeller DC Motor DAJ12-55J71-CR ... 1 8 RED - WHT : WHT - BLU : BLU - RED : 77.5 77.5 77.5 50 750 / 750 Internal Controller Yes - - Aluminum Plate Fin / Copper Tube 2 1.3 0.452 Fan Q'ty ... Dia. Typ...
Page 23 - REFRIGERANT FLOW DIAGRAM; Insulation of Refrigerant Tubing; IMPORTANT; CAUTION
4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram Outdoor Unit SAP-CMRV1426EH 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 prevent heat loss and wet floors due to dripping of cond...
Page 28 - Cooling Characteristics; (3) Indoor discharge air performance chart; the indoor unit type.
5. PERFORMANCE DATA 5-1. Temperature Charts 5-1-1. Temperature Charts (SAP-CMRV1426EH) Outdoor Unit SAP-CMRV1426EH Indoor Unit SAP-KMRV76EH × 1 Cooling Characteristics (RH : 46%, Indoor fan speed : High fan) (230V, 50Hz) Heating Characteristics (RH : 85%, Indoor fan speed : High fan) (230V, 50Hz) (1...
Page 59 - To avoid electrical shock hazard, be sure to
WARNING To avoid electrical shock hazard, be sure to disconnect power before checking, servicing and/or cleaning any electrical parts. 6. ELECTRICAL DATA 6-1. Electric Wiring Diagrams Outdoor Unit SAP-CMRV1426EH 8FA2-5257-56900-2 YEL BLU RED BLK WHT REACTANCE CONTROLLER BLK BLK BLK BLK WHT COIL/OUTD...
Page 65 - Table 1
Control/conditions HEAT When defrost operation begins, frost has formed on the outdoor unit (when the ambient air temperature is low). Defrost operation begins based on outdoor heat exchanger temperature and outdoor air temperature conditions. Non-stop defrost (Refer to Fig. 1) 1. After HEAT operati...
Page 66 - COOL; Frequency control; Unit operation
Control/conditions COOL The ON/OFF operation button on the remote controller is pressed. The room temperature has reached the desired temperature. The outdoor unit does not operate for 3 minutes even after the breaker is turned ON. This is in order to stabilize the return of oil to the compressor. F...
Page 67 - DRY B operation; DRY A operation
Control/conditions SENSOR DRY (1/f fluctuation fan) The ON/OFF operation button on the remote controller is pressed. The outdoor unit does not operate for 3 minutes even after the breaker is turned ON. This is in order to stabilize the return of oil to the compressor. The outdoor unit starts. (Compr...
Page 68 - Defrost does not occur during HIGH POWER operation.; Defrosting sequence; Temperature of releasing
7-2. Protective Functions 7-2-1. Defrost Detection and Release (2) Clean defrost If all indoor units are stopped during HEAT operation, and frost is detected at the L1 line, and the conditions for defrost are met, then defrost operation occurs, and the unit stops after defrost is completed. (1) Non-...
Page 69 - Description of function; During defrost operation, the COOL current setting value is used.
7-2-2. Current Control The operating current may rise as a result of causes including increasing heating or cooling loads or decreases in power voltage. In these cases, the operating frequency is automatically reduced, or operation is stopped, in order to control the operating current so that it is ...
Page 70 - Reset conditions; The compressor thermostat is OFF.; Compressor discharge temperature; Within the increase-prohibit range, the range changes
7-2-5. Control at HEAT Start-up If HEAT operation is started when the outdoor air temperature is 15 °C or below, the unit operates at the HEAT start-up frequency (70 Hz or above). Reset conditions The compressor frequency exceeds the start-up frequency of (70 Hz). The compressor thermostat is OFF. F...
Page 71 - -1. Precautions before Performing Inspection or Repair; side electronic circuits.; with the outdoor control circuit board.
8. TROUBLESHOOTING 8-1. Precautions before Performing Inspection or Repair Both the indoor unit and outdoor unit include electronic control circuits. Be sure to pay attention to the following before inspecting or repairing the outdoor- side electronic circuits. High-capacity electrolytic capacitors ...
Page 72 - -2. Trouble Diagnosis by Error Monitor Lamps; To prevent electric shock, do not inspect or repair until; Error Monitor Lamp
8-2. Trouble Diagnosis by Error Monitor Lamps WARNING To prevent electric shock, do not inspect or repair until the Power Lamp on the P.C.Board is turned off. 8-2-1. Location of the Error Monitor Lamps Remove the top plate of outdoor unit and the cover of Electrical Component Box. The Power Lamp and...
Page 73 - Using forced defrost operation to check this function.
8-3-1. Checking the outdoor unit 8-3. Checking the Outdoor System 8-3-2. Checking the defrost operation Work procedure Apply 220 V AC between terminals L and N on the outdoor unit terminal plate. • Short-circuit the T-RUN terminal to the COM terminal of TEST/T-RUN terminals. • The LED (red) on the c...
Page 74 - Indoor unit
8-4. Trouble Diagnosis of Each Part 8-4-1. Problems of Each Part and Inspection Points For details about the inspection points, refer to the Inspection Points for Each Part. Problems Inspection points Indoor unit Indoor unit does not operate. Self-Diagnostics check Indoor controller (control unit) I...
Page 77 - Measurement location; DC 14V or more; Normal value
8-5. Trouble Diagnosis of Fan Motor 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 the motor. Perform the trouble diagnosis by Test Run mode described on Installation Instru...
Page 78 - -1. Characteristics of New Refrigerant R410A; Less toxic, more chemically stable refrigerant; Thus, always charge the refrigerant while it is in liquid phase.; Specification A
A D Flare tool for R410A A D Conventional flare tool (R22) Spacer 9. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT 9-1. Characteristics of New Refrigerant R410A 9-1-1. What is New Refrigerant R410A? R410A is a new refrigerant that contains two types of pseudo-non-azeotropic refrigerant ...
Page 79 - 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; to provide ample ventilation during installation work.; Caution in case of R410A leak; immediately provide thorough ventilation.
Tubing precautions 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 conditio...
Page 80 - For servicing, use the following tools for R410A; Torque wrench; Tool Distinction; exclusively for R410A and never alternately with R22 and R407C.; unit and outdoor unit.; diameter of the service port screw has been altered.; HAB oil
9-3. Tools Specifically for R410A For servicing, use the following tools for R410A Gauge manifoldCharging hoseGas leak detectorRefrigerant cylinderCharging cylinderRefrigerant recovery unitVacuum pump with anti-reverse flow (*1)(Solenoid valve-installed type, which prevents oil from flowing back int...
Page 81 - tubes of the new compressor, replace it quickly.; Use a solenoid valve-installed vacuum pump; The equipment may be damaged if moisture remains in; Standard time for evacuation; Length of tubing
9-5. In Case of Compressor Malfunction CAUTION Should the compressor malfunction, be sure to make the switch to a replacement compressor as quickly as possible.Use only the tools indicated exclusively for R410A. See "9-3. Tools Specifically for R410A." 9-5-1. Procedure for Replacing Compress...
Page 82 - Single valve; Charge liquid refrigerant with; In case of charging refrigerant to a unit requiring
Valve Single valve Charge liquid refrigerant with cylinder in up-side-down position. Single valve (with siphon tube) Charge with cylinder in normal position. Liquid Valve Liquid Charging cylinder Open Refrigerant cylinder Liqui d NO! CAUTION Never charge a large amount of liquid refrigerant at once ...
Page 83 - carry out repairs, then recharge the refrigerant.
Length of tubing Evacuation time Less than 10 meters More than 10 minutes More than 10 meters More than 15 minutes 9-6. 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 locat...
Page 84 - with the indoor unit.; Charge additional refrigerant in liquid state only.; This will cause the air conditioner to; do not use its existing tubing.; completely new tubing must be used.; repairs. Only then should you recharge the refrigerant.
9-7. Charging Additional Refrigerant 9-7-1. 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. 9-8. Retro-Fitting Existing Systems 9-8-1. Use ...
Page 86 - Contents; INSTALLATION INSTRUCTIONS; – Inverter Multi Split System Air Conditioner –; This air conditioner uses the new refrigerant R410A.; N O T E; For Outdoor Unit
Contents Page IMPORTANT!Please Read Before Starting .................................. 2 1. GENERAL .......................................................... 3 1-1. Tools Required for Installation (not supplied)1-2. Accessories Supplied with Unit1-3. Optional Copper Tubing Kit1-4. Type of Copper Tu...
Page 88 - English; A B C D
3 English 1. General This booklet briefly outlines where and how to install the air conditioning system. Please read over the entire set of instructions for the indoor and outdoor units and make sure all accessory parts listed are with the system before beginning. If the electric wiring dia- gram do...
Page 89 - Installation Site Selection; Front View
4 English 1-5. Additional Materials Required for Installation 1. Refrigeration (armored) tape 2. Insulated staples or clamps for connecting wire (See local codes) 3. Putty 4. Refrigeration lubricant 5. Clamps or saddles to secure refrigerant tubing 2. Installation Site Selection 2-1. Indoor Unit AVO...
Page 90 - install the indoor unit more than 1 meter away from any; Table 3; Outdoor unit
5 English G install the indoor unit more than 1 meter away from any antenna or power lines or connecting wires used for tele- vision, radio, telephone, security system, or intercom. Electrical noise from any of these sources may affect operation. G install in a sturdy manner to avoid increased opera...
Page 92 - Diagram of Outdoor Unit Installation; Never install only a single indoor unit.; Indoor unit B
7 English 2-4. Outer Dimensions of Outdoor Unit unit: mm 60 8 8 5 790 3 10 2 8 5 33 6 70 569 15 15 8 70 46 122 70 142 A A (O u ter diameter ø6. 3 5) (O u ter diameter ø9.52) S ervice valve o n wide t u be s ide S ervice valve o n n arrow t u be s ide Fig. 6a 2-5. Diagram of Outdoor Unit Installation...
Page 93 - Installation Process; Embedding the Tubing and Wiring; Deburring; Drain Cap and Drain Elbow
8 English 3. Installation Process 3-1. Embedding the Tubing and Wiring G Do not connect tubes to locations that are embedded. G Be sure to bind refrigerant tubing and inter-unit cables together with vinyl tape. G The power cable must be obtained on-site. (ø3.5: Less than 26 m) G Be sure to apply the...
Page 94 - -5. Caution Before Connecting Tubes Tightly; Tightening Torque
9 English When reaming, hold the tube end downward and be sure that no copper scraps fall into the tube. (Fig. 9) (3) Remove the flare nut from the unit and be sure to mount it on the copper tube. (4) Make a flare at the end of copper tube with a flare tool.* (Figs. 10 and 11) (*Use “RIDGID” or equi...
Page 95 - (2) Wrap the armoring tape from the bottom of the outdoor; Clamp
10 English 3-7. Insulation of Refrigerant Tubing To prevent heat loss and wet floors due to dripping of con-densation, both tubes must be well insulated with a proper insulation material. The thickness of the insulation should be a minimum 8 mm. (Fig. 17) 3-8. Taping the Tubes (1) At this time, the ...
Page 96 - Stopper;
Service valve on wide tube side Service valve on narrowtube side A B Vacuum pump Vacuum pump adapter (for preventing reverse flow)(special for R410A) High-pressure valve Manifold gauge (special for R410A) Low-pressure valve Leave the valve open. Open Charging hose(special for R410A) With push-pin Hi...
Page 97 - Required time for evacuation when capacity
12 English (4) With the “Lo” knob of the manifold valve open and high-pressure valve (“Hi”) closed completely, run the vacuum pump. Run the pump until the pres- sure is –101 kPa (–76 cmHg). The operation time for the vacuum pump varies with tubing length and the capacity of the pump. The following t...
Page 98 - Pump Down; If pump-down is not possible; gas without releasing it into the atmosphere.
(11) Replace the flare nut on the wide tube service port and fasten the flare nut securely with an adjustable wrench or box wrench. Next, mount the valve cap and tighten it with a torque wrench (the cap needs to be tightened with the torque of 20 N·m (200 kgf · cm)). This process is very important t...
Page 99 - Wiring Instructions; -2. Recommended Wire Length and Diameter
14 English 5. Wiring Instructions 5-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. (2) Provide a power outlet to be used exclusively for each unit, with a power suppl...
Page 102 - Be sure to perform grounding.; -5. Wiring Instructions for the Outdoor Unit
17 English 1 2 3 4 5 6 7 8 1 2 3 1 2 3 I ndoor unit B I ndoor unit A Ground Power: Single-phase, 220/240VAC 50HZ Power switch(not provided) Outdoor unit A Terminal board Label A I nter-unit cables Terminal board I nter-unit cables Terminal board Label B A B Power cable (not provided) (ø3.5 mm: Less ...
Page 103 - Acce; Performing a test run
18 English Regulations on wire size differ from locality to locality. For field wiring requirements, please refer to your local electrical codes. Make sure that the installation fully complies with all local and national regulations. (1) Remove access panel “C”. (Fig. 32) (2) Connect the inter-unit ...
Page 104 - Connecting a Home Automation Device
19 English 7. Connecting a Home Automation Device The HA (white) 4P terminal is located on the indoor unit PCB. If a HA device will be used, connect it to this terminal. Also, refer to Section 9. Electric Wiring Diagram in the outdoor unit installation manual. 8. Installation Check Sheet The strengt...
Page 105 - Electric wiring diagram for 2-room multi outdoor unit (CMRV1426EH)
English 2 1 2 1 2 1 2 1 BLKBLK WHTWHT WHTWHT 12 1 2 3 4 w w BLK BLK COMPRE SS OR THERMI S TO R (OLR) OVERLOAD RELAY COMPRE SS OR MOTOR WHT RED (2P) CONNECTOR (2P) CONNECTOR COMP OLR0 OLR1 COIL/OUTDOOR w w w U V W 2 1 2 1 3 3 CM ( 3 P) CONNECTOR FERRITE CORE WHT BLU BLU WHT WHT RED(PNK) RED(PNK) GRN/...
Page 110 - Installation Site Selection
4 English 1-5. Additional Materials Required for Installation 1. Refrigeration (armored) tape 2. Insulated staples or clamps for connecting wire (See local codes) 3. Putty 4. Refrigeration lubricant 5. Clamps or saddles to secure refrigerant tubing 2. Installation Site Selection 2-1. Indoor Unit AVO...
Page 118 - Indoor unit C
12 English 2-5. Diagram of Outdoor Unit Installation Never install only a single indoor unit. Be sure to connect indoor and outdoor units only in combinations that are listed in the catalog or in the combination table that was provided with the outdoor unit.(Use caution. Connecting any other model m...
Page 119 - Installation Process; When installing in a cold
13 English 3. Installation Process 3-1. Embedding the Tubing and Wiring G Do not connect tubes to locations that are embedded. G Be sure to bind refrigerant tubing and inter-unit cables together with vinyl tape. G The power cable must be obtained on-site. (ø3.5: Less than 26 m) G Be sure to apply th...
Page 120 - -5. Caution Before Connecting Tubes Tightly
14 English When reaming, hold the tube end downward and be sure that no copper scraps fall into the tube. (Fig. 9) (3) Remove the flare nut from the unit and be sure to mount it on the copper tube. (4) Make a flare at the end of copper tube with a flare tool.* (Figs. 10 and 11) (*Use “RIDGID” or equ...
Page 125 - Wiring Instructions; -2. Recommended Wire Length and Diameter
19 English 5. Wiring Instructions 5-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. (2) Provide a power outlet to be used exclusively for each unit, with a power suppl...
Page 128 - -5. Wiring Instructions for the Outdoor Unit
1 2 3 1 2 3 1 2 3 1 2 3 I ndoor unit D I ndoor unit B I ndoor unit A I ndoor unit C Ground Power: Single-phase, 220/240VAC 50HZ Power switch(not provided) Outdoor unit Terminal board Label A I nter-unit cables Terminal board I nter-unit cables Terminal board Label B Label C I nter-unit cables Termin...
Page 130 - Connecting a Home Automation Device
24 English 7. Connecting a Home Automation Device The HA (white) 4P terminal is located on the indoor unit PCB. If a HA device will be used, connect it to this terminal. Also, refer to Section 9. Electric Wiring Diagram in the outdoor unit installation manual. 8. Installation Check Sheet The strengt...
Page 134 - sp; EÏÏËÓÈοE
28 English En g li s h E sp añol Françai s Deut s ch Mea n i ng of Ab bre viatio ns 1 2 3 4 5 6 7 8 9 10 11 ABBREV . BLK BLU BRN GRN/YEL GR Y ORG PNK RED VL T WHT YEL MEANING BLA CK BLUE BR O W N GREEN/YELLO W GREY ORANGE PINK RED VIOLET WHITE YELLO W S i gn ificado de la s abre viat u ra s 1 2 3 4 ...
Page 136 - ; Example: When two indoor units are connected; -Room Outdoor Unit Combination Table; Save this Combination Table!
© SANYO 2008 Pub. OI-85264181 076 001 SAP-CMRV1426EH <Combinations of Connectable Indoor Units> The combinations of the indoor units listed in Table 1 and 2 on the next page are combinations solely of those units which can be operated concurrently. In addition to the combinations listed in the...
Page 137 - < Combinations of operatable indoor units >; Operation
Table 1 Room Room Room Room A B Capacity ( Min. - Max. ) A B Capacity ( Min. - Max. ) 2.2 = 2.2 2.20 2.2 ( 1.2 - 2.6 ) 2.50 2.5 ( 1.4 - 3.5 ) 2.65 = 2.65 2.65 2.65 ( 1.2 - 3.2 ) 3.60 3.6 ( 1.4 - 4.0 ) 3.5 = 3.5 3.50 3.5 ( 1.3 - 3.6 ) 4.20 4.2 ( 1.5 - 4.2 ) 2.2 + 2.2 = 4.4 1.80 1.80 3.6 ( 2.0 - 4.5 )...
Page 140 - Example: When three indoor units are connected; -Room Outdoor Unit Combination Table
© SANYO 2008 Pub. OI-85264181 041 002 SAP-CMRV1936EH <Combinations of Connectable Indoor Units> The combinations of the indoor units listed in Table 1 and 2 on the next page are combinations solely of those units which can be operated concurrently. In addition to the combinations listed in the...
Page 142 - Example: When four indoor units are connected; -Room Outdoor Unit Combination Table
© SANYO 2008 Pub. OI-85264181 042 002 SAP-CMRV2446EH <Combinations of Connectable Indoor Units> The combinations of the indoor units listed in Table 1 on page 2 and Table 2 on page 3 are combinations solely of those units which can be operated concurrently. In addition to the combinations list...
Page 144 - Table 2
Table 2 –3– NOTE 2.65: SAP-KRV96EHDS3.5: SAP-KRV126EHDS Room Room Room Room Room Room Room Room A B C D Capacity ( Min. - Max. ) A B C D Capacity ( Min. - Max. ) 2.65 = 2.65 2.65 2.65 ( 1.4 - 3.2 ) 3.60 3.6 ( 1.8 - 4.7 ) 3.5 = 3.5 3.50 3.5 ( 1.5 - 3.6 ) 4.20 4.2 ( 1.9 - 5.1 ) 2.65 + 2.65 = 5.3 2.55 ...
