Page 2 - SPECIAL PRECAUTIONS
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 haz...
Page 3 - Table of Contents; APPLICABLE MULTI-OUTDOOR UNITS; Page
Table of Contents APPLICABLE MULTI-OUTDOOR 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. Air Throw Dist...
Page 6 - Indoor Unit
2. SPECIFICATIONS 2-1. Unit Specifications Indoor Unit KMS0772 6 Narrow tubeWide tube DATA SUBJECT TO CHANGE WITHOUT NOTICE. 19.8 (9.0)24.3 (11.0) (900) 10-1/32 (255) 2.8 (0.08) Weight Shipping Volume 11-7/32 (285) 32-15/32 (825) (189) 13-25/32 (350) 35-7/16 Net Ib. (kg)Ib. (kg) Shipping Width Depth...
Page 7 - KMS0772
7 Indoor Unit KMS0772 Narrow tubeWide tube 2.20 Auto and 3 steps 24-Hour ON or OFF Timer Control Wireless Remote Control Unit 25 241 (410) 0.12 7-7/16 Capacity Manual Microprocessor / I.C. Thermister BTU/h kW 1/4 (6.35) Flare Type 7,500 < 208V > Wall Mounted Type Indoor Unit Type Performance 2...
Page 15 - KMS2472
15 Indoor Unit KMS2472 Narrow tubeWide tube DATA SUBJECT TO CHANGE WITHOUT NOTICE. 26.5 (12.0)33.1 (15.0) (1,140) 14-29/32 (379) 4.23 (0.12) Weight Shipping Volume 11-23/32 (298)41-15/16 (1,065) (218) 11-3/8 (289) 44-7/8 Net Ib. (kg)Ib. (kg) Shipping Width Depth inch(mm)inch(mm)inch(mm) Unit Dimensi...
Page 24 - REFRIGERANT FLOW DIAGRAM; Indoor unit; Indoor unit; Indoor unit
O.D. 3/8" (9.52 mm) O.D. 1/4" (6.35 mm) O.D. 1/2" (12.7 mm) O.D. 1/4" (6.35 mm) O.D. 5/8" (15.88 mm) O.D. 1/4" (6.35 mm) 4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram Indoor Unit KMS0772KMS0972KMS1272 Indoor Unit KMS1872 Indoor Unit KMS2472 Indoor heatexchanger Co...
Page 26 - Cooling; Fan speed
Horizontal distance (ft.) Axis air velocity (ft./sec.) Vertical distance (ft.) Cooling : Flap angle 0 ° , : Axis air velocity 0 ° : Flap angle 30 ° , : Axis air velocity 30 ° Indoor Unit KMS0972 Room air temp. : 80 ° F (26.7 ° C) Fan speed : High 26 0 5 10 15 0 5 10 15 20 25 30
Page 30 - WARNING
EVAPORATOR TERMINAL BASE TO OUTDOOR UNIT GRN/YEL LAMP 10P(WHT) FLAP5P (WHT) FLAP CONNECTOR FLAP MOTOR RED PNK BLU BRN YEL 12345 12345 12345 12345 6 6 12345 12345 AC1 AC2 S1 WHT RED WHTWHTWHTWHTWHTWHTWHTWHT 123456789 10 123456789 10 123456789 10 123456789 10 IND LAMP ASSY ROOM/COIL 4P(WHT) DCM6P (BLU...
Page 34 - Freeze prevention
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 43°F(6°C). 2. Restart afte...
Page 35 - -1. Precautions before Performing Inspection or Repair; PROCEDURE
1HR.TIMERbutton ON/OFFoperationbutton ACL(Reset)button IONbutton < Clock display > Test run mode Self-diagnostics mode 8. TROUBLESHOOTING 8-1. Precautions before Performing Inspection or Repair NOTE PROCEDURE After checking the self-diagnostics monitor, turn the power OFF before starting inspe...
Page 37 - Normal
(2) If the self-diagnostics function fails to operate Check the indoor unit. Is the fuse blown? Replace the controller. Replace the circuit board or the fuse. No indicators illuminate and the indoor fan does not rotate.Check the power voltage. Normal Blown 37
Page 38 - -3. Checking the Indoor and Outdoor Units; operation by 60 times faster than normal).; Control
8-3. Checking the Indoor and Outdoor Units (1) Checking the indoor unit (2) Checking the outdoor unit (3) Checking the serial communications Using the TEST/T-RUN terminals Control No. Check items (unit operation) T-RUN : Test run (compressor and fan motor turn ON). TEST/MV : Compresses time to 1/60t...
Page 39 - Measurement location; DC 14 V or more; Normal value
[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 no...
Page 40 - -5. Noise Malfunction and Electromagnetic Interference
8-5. 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 install...
Page 42 - Features
2 Features This air conditioner is an inverter type unit that automatically adjusts capacity 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...
Page 43 - Contents; Product Information
3 Contents Page Features ............................................................................................................ 2Product Information........................................................................................... 3Alert Symbols ..........................................
Page 44 - Safety Instructions; Do not let children play with the air conditioner.
4 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 sam...
Page 45 - Names of Parts
5 Names of Parts 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 conditioner with the remote c...
Page 46 - Unit Display and Operation Button
6 Unit Display and Operation Button 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 enables cooling operation. Each time this button is pressed, the operation mode...
Page 48 - Remote Control Unit
8 Remote Control Unit The illustration above pictures the remote control unit after the cover has been opened. Transmitter When you press the buttons on the remote control unit, the mark appears in the display to transmit the setting changes to the receiver in the air conditioner. Sensor A temperatu...
Page 50 - Using the Remote Control Unit
10 Remote Control Unit (continued) Using the Remote Control Unit 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 condi...
Page 51 - Using the Remote Control Unit (continued)
11 Using the Remote Control Unit (continued) How to Use the Remote Control Unit When using the remote control unit, always point the unit’s transmitter head directly at the air conditioner’s receiver. Remote Control Unit Installation Position The remote control unit may be operated either from a non...
Page 53 - Operation with the Remote Control Unit (continued); Adjusting the Fan Speed; A. Automatic fan speed
13 Operation with the Remote Control Unit (continued) • 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. • This a...
Page 54 - Night Setback Mode; Night Setback Mode is used for saving energy.
14 Operation with the Remote Control Unit (continued) 4. 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 again. In Cooling and DRY M...
Page 56 - Special Remarks; Clicking sound is heard from; Power failure during
16 Special Remarks How it works? • Once the room temperature reaches the level that was set, the unit’s operation frequency is changed automatically. • During DRY operation, the fan speed automatically runs at lower speed for providing a comfortable breeze. • ‘‘DRY’’ operation is not possible if the...
Page 57 - Setting the Timer; How to set the present
17 Setting the Timer 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: °F • Time: AM, PM 1. How to set the present time (Example) To set to 10:30 pm. 2. How to set the OFF...
Page 60 - Adjusting the Airflow Direction
20 Adjusting the Airflow Direction 1. Horizontal The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right. When the humidity is high, the vertical vanes should be in the front position during the cooling or dehumidifying operation. If the vertical vane...
Page 61 - Care and Cleaning
21 Operation without the Remote Control Unit Care and Cleaning INDOOR UNIT If you have lost the remote control unit or it has trouble, follow the steps below. When the air conditioner is not running Each time the OPERATION button is pressed, the operation mode changes cyclically. The temperature is ...
Page 66 - INSTALLATION INSTRUCTIONS; – Inverter Split System Air Conditioner –; This air conditioner uses the new refrigerant R410A.; For Indoor Unit
Model Combinations Combine indoor and outdoor units only as listedbelow. Indoor Unit Outdoor Unit KMS0772 CM1972 KMS0972 CM2472 KMS1272 CM3172 KMS1872 CLM1972 KMS2472 CLM2472CLM3172 Power Source:60 Hz, single-phase, 230 / 208 VAC Combinations of indoor and outdoor units Connect indoor and outdoor un...
Page 67 - accidental injury or
2 IMPORTANT! Please Read Before Starting This air conditioning system meets strict safety and operatingstandards. As the installer or service person, it is an importantpart of your job to install or service the system so it operatessafely and efficiently. For safe installation and trouble-free opera...
Page 69 - Installation Site Selection
4 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 AVOID: G di...
Page 70 - Table 3
5 G Install the indoor unit more than 3.3' (1 m) 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 operating ...
Page 71 - How to Install the Indoor Unit; -1. Remove the Rear Panel from the Unit; Also avoid areas where elec-
6 Set screw only for transportation Fig. 6 Rear panel marks Fig. 7 Left tubing Right tubing Downward tubing Right-rear tubing(recommended) Left-rear tubing Fig. 8 3. How to Install the Indoor Unit 3-1. Remove the Rear Panel from the Unit (1) Remove and discard the set screw on the rear panel. (Fig. ...
Page 74 - How to remove the grille; (3) Remove the screw on the right side cover plate and; How to replace the grille; (2) Make sure that the grille and frame are firmly fitted; N O T E
9 Air intake grille Grille Fig. 16a-1 Fig. 16b-1 Cover Thermistor Fig. 17a-1 Thermistor Fig. 17b-1 Fig. 18a-1 Tab Tab Fig. 18b-1 Fig. 19b-1 Pin Groove Fig. 19a-1 3-4-2. Indoor unit types (KMS1872, KMS2472) Basically, these models can be installed and wired with-out removing the grille. If access to ...
Page 75 - General precautions on wiring
10 3-5. Shape the Indoor Side Tubing (1) Arrangement of tubing by directions a) Right or left tubing Cut out the corner of the right/left frame with a hacksaw or the like. (Figs. 20 and 21) b) Right-rear or left-rear tubing In this case, the corner of the frame need not be cut. (2) To mount the indo...
Page 80 - To unmount indoor unit; Risk of Electric Shock
15 To unmount indoor unit Press the 2 L L marks on the lower part of the indoor unit and unlatch the tabs. Then lift the indoor unit and unmount. (Fig. 42) 3-9. Drain Hose a) The drain hose should be slanted downward to the outdoors. (Fig. 43) b) Never form a trap in the course of the hose. c) If th...
Page 81 - How to Test Run the Air Conditioner; I M P O R TA N T
16 4. How to Test Run the Air Conditioner After turning on power to the air conditioner, use the remote controller and follow the steps below to conduct the test run. (1) Set the remote controller in Test Run mode. (Fig. 59a) a) Press and hold the ION button. b) Then press and hold the 1HR TIMER but...
Page 82 - Remote Control Unit Installation Position; To take out the remote control unit, pull it forward.
17 5. 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 conditioner operates correctly, do not install the remote control unit in the following places: G In direct sunlight G Behind a ...
Page 83 - -1. Address Setting of the Remote Control Unit
18 6. Address Switch 6-1. 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...
