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Panasonic CS-KS18NB4UW & CZ-18BT1U + CU-KS18NKU Technical & Service Manual

Other manuals for CS-KS18NB4UW & CZ-18BT1U + CU-KS18NKU: Technical & Service Manual, Specifications, Installation Instructions Manual
Manual is about: DC INVERTER SPLIT SYSTEM AIR CONDITIONER

Summary of CS-KS18NB4UW & CZ-18BT1U + CU-KS18NKU

  • Page 1

    Cu-3ks19nbu (3-room multi unit) cu-4ks24nbu (4-room multi unit) cu-4ks31nbu (4-room multi unit) indoor unit : cs-mks9nb4u & cz-18bt1u cs-mks12nb4u & cz-18bt1u cs-ks18nb4uw & cz-18bt1u dc inverter multi-system air conditioner semi-concealed type indoor unit 1 852 361 08 (1 852 361 15) 1 852 361 09 (1...

  • Page 2: Safety Precautions

    Safety precautions warning before performing an overhaul, disconnect the power plug or power cable from the unit. Performing the work with the power supplied to the unit, may cause an electric shock. When repair work or circuit inspection that requires power supply for the air conditioner, is to be ...

  • Page 3

    Warning if refrigerant gas blows off during the work, do not touch the refrigerant gas as it may cause frostbite. If refrigerant gas leaks during the work, ventilate the room. If refrigerant gas catches fire, harmful gas may be generated. Do not mix any gas other than the specified refrigerant gas i...

  • Page 4: Table of Contents

    Safety precautions 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. Electrical data 5...

  • Page 5

    Appendix d operating instructions (cz-rd515u) appendix e installation instructions (cz-rd515u) ............................................................................................ ............................................................................ A-4 a-5 page 5.

  • Page 6

    Applicable multi-outdoor units cs-mks9nb4u & cz-18bt1u cs-mks12nb4u & cz-18bt1u cs-ks18nb4uw & cz-18bt1u 3-room cu-3ks19nbu yes yes yes 4-room cu-4ks24nbu yes yes yes 4-room cu-4ks31nbu yes yes yes indoor unit multi-outdoor unit 6.

  • Page 7: 1.  Operating Range

    95 °f db / 71 °f wb 67 °f db / 57 °f wb 1. Operating range maximum minimum 115 °f db 14 °f db temperature indoor air intake temp. Outdoor air intake temp. Cooling 7.

  • Page 8: 2.  Specifications

    2. Specifications 2-1. Unit specifications indoor unit cs-mks9nb4u & cz-18bt1u 2-1-1. Vertical db-a indoor : hi/me/lo air filter refrigerant 0.1 16 9,000 2.65 cooling 230v single-phase 60hz 187 to 253 refrigerant tubing connections operation sound electrical rating w power input - - v a available vo...

  • Page 9

    Indoor unit cs-mks9nb4u & cz-18bt1u vertical db-a indoor : hi/me/lo air filter refrigerant cooling 208v single-phase 60hz 187 to 253 refrigerant tubing connections operation sound electrical rating w power input - - v a available voltage range running amperes narrow tube wide tube refrigerant inch (...

  • Page 10

    Indoor unit cs-mks12nb4u & cz-18bt1u vertical db-a indoor : hi/me/lo air filter refrigerant 0.11 17 11,900 3.5 cooling 230v single-phase 60hz 187 to 253 refrigerant tubing connections operation sound electrical rating w power input - - v a available voltage range running amperes narrow tube wide tub...

  • Page 11

    Indoor unit cs-mks12nb4u & cz-18bt1u vertical db-a indoor : hi/me/lo air filter refrigerant cooling 208v single-phase 60hz 187 to 253 refrigerant tubing connections operation sound electrical rating w power input - - v a available voltage range running amperes narrow tube wide tube refrigerant inch ...

  • Page 12

    Indoor unit cs-ks18nb4uw & cz-18bt1u vertical db-a indoor : hi/me/lo air filter refrigerant 0.15 22 17,500 5.15 cooling 230v single-phase 60hz 187 to 253 refrigerant tubing connections operation sound electrical rating w power input - - v a available voltage range running amperes narrow tube wide tu...

  • Page 13

    Indoor unit cs-ks18nb4uw & cz-18bt1u vertical db-a indoor : hi/me/lo air filter refrigerant 0.16 22 17,500 5.15 cooling 208v single-phase 60hz 187 to 253 refrigerant tubing connections operation sound electrical rating w power input - - v a available voltage range running amperes narrow tube wide tu...

  • Page 14

    Indoor unit (body) cs-mks9nb4u 2-2. Major component specifications 2-2-1. Indoor unit control pcb control circuit fuse controls part no. Microprocessor 250v 3a cb-cs-mks9nb4u indoor unit (panel) cz-18bt1u mp24zn-12v ... 2 flap motor type stepping motor rating model ... Q'ty coil resistance ohm (ambi...

  • Page 15

    Indoor unit (body) cs-mks12nb4u control pcb control circuit fuse controls part no. Microprocessor 250v 3a cb-cs-mks12nb4u indoor unit (panel) cz-18bt1u mp24zn-12v ... 2 flap motor type stepping motor rating model ... Q'ty coil resistance ohm (ambient temp. 77 °f (25 °c)) each pair of terminal : 380 ...

  • Page 16

    Indoor unit (body) cs-ks18nb4uw control pcb control circuit fuse controls part no. Microprocessor 250v 3a cb-cs-ks18nb4u indoor unit (panel) cz-18bt1u mp24zn-12v ... 2 flap motor type stepping motor rating model ... Q'ty coil resistance ohm (ambient temp. 77 °f (25 °c)) each pair of terminal : 380 +...

  • Page 17

    2-3. Other component specifications indoor unit cs-mks9nb4u & cz-18bt1u cs-mks12nb4u & cz-18bt1u cs-ks18nb4uw & cz-18bt1u 0 32 50 68 86 104 122 140 158 176 194 (0) (10) (20) (30) (40) (50) (60) (70) (80) (90) 40 60 80 100 120 140 160 180 200 20 50 1 0 2 3 4 5 6 7 8 9 10 59 68 77 86 95 104 (10) (15) ...

  • Page 18: 3.  Dimensional Data

    3. Dimensional data indoor unit cs-mks9nb4u & cz-18bt1u cs-mks12nb4u & cz-18bt1u cs-ks18nb4uw & cz-18bt1u 6-5/16 6-11/16 1-3/16 (30) 4-19/32 1-25/32 1-25/32 2-3/32 8-15/32 22-5/8 (575) 11-5/32 (283) 3 6 5 less than 31/32 less than 31/32 3-5/8 22-5/8 (575) 12-7/8 suspension bolt pitch suspension bolt...

  • Page 19

    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) 4. Refrigerant flow diagram 4-1. Refrigerant flow diagram indoor unit cs-mks9nb4u & cz-18bt1u cs-mks12nb4u & cz-18bt1u indoor unit cs-ks18nb4uw & cz-18bt1u cooling cycle indoor unit cooling cycle indoor unit heat exchang...

  • Page 20: 5.  Electrical Data

    5. Electrical data 5-1. Electric wiring diagrams indoor unit cs-mks9nb4u & cz-18bt1u cs-mks12nb4u & cz-18bt1u cs-ks18nb4uw & cz-18bt1u 8fa2-5250-46900-2 1 2 3 4 5 6 1 2 3 4 5 6 fm dp f an mo t o r drain pump dcm 6p (blu) 6p (wht) dp 3p (blu) 3p (red) pwm/po w 7p (red) pwm/po w 7p (red) rc 4p (wht) i...

  • Page 21: 6.  Maintenance

    6. Maintenance 6-1. Disassembly procedure 6-1-1. Remove the air intake grill. (1) slide the 2 latches each to the corresponding arrow direction. (fig. 1 and fig. 2) open downward the air intake grill located on the latch side. (2) undo the air intake grill drop preventive hook. (fig. 3) undo the 2 h...

  • Page 22

    Note 6-1-3. Remove the ceiling panel. (1) open the clamp (4 locations) and remove the 2 lead wires from the clamps. (fig. 6) (2) remove the 4 screws fixing the corner cover (at 3 locations) and indicator cover (at 1 location). (fig. 6) (3) press the center 1 of the cover and remove the cover with th...

  • Page 23

    1 2 3 6-1-4. Remove the indoor air temperature sensor. (1) disconnect the connector cn08 (room 2p) in the control box and remove the indoor air temperature sensor. (fig. 10) 6-1-5. Remove the power box and control box. (1) remove a screw and remove the terminal cover. (fig. 11) (2) remove the 2 scre...

  • Page 24

    1 2 3 (4) disconnect the connector cn07 (dp 2p) in the power box. (fig. 13) remove a screw and disconnect the ground cable. (fig. 13) (5) disconnect the connector cn03 (dcm 6p) in the power box. (fig. 14) (6) remove the 4 screws and remove the power box. (fig. 14) (7) disconnect the connectors cn06 ...

  • Page 25

    For the removal of the following components, perform any work after removing the indoor unit (main body) from the ceiling. Main body lower section heat exchanger sensor drain pump float switch turbo fan fan motor heat exchanger 1. Perform the work after draining the water to prevent the water leakag...

  • Page 26

    6-1-7. Remove the heat exchanger sensor. (1) remove the heat exchanger sensor from the sensor holder. (fig. 19) 6-1-8. Remove the drain pump and float switch. (1) remove the 2 screws (fig. 20) (2) loosen the clamp and disconnect the drain hose from the drain pump. (fig. 20) (3) remove the drain pump...

  • Page 27

    6-1-9. Remove the turbo fan and fan motor. (1) remove a nut and remove the turbo fan. (fig. 22) (2) remove the 2 screws and 3 nuts, and remove the fan motor. (fig. 23) 6-1-10. Remove the heat exchanger. (1) remove the 3 screws. (fig. 24) (2) remove the 3 screws. (fig. 25) (3) remove the heat exchang...

  • Page 28: 7.  Functions

    Emergency operation sensor dry during dry operation, the system adjusts the room temperature and fan speed according to the conditions in the room, in order to maintain a comfortable room environment. Sensor dry operation • dry operation is as shown in the figure below. Pam- control • in order to fu...

  • Page 29

    High power night setback lamp colors timer backup this function acts to raise the power but keeps the ac system in the same operating mode. This function is set with the high power button on the remote controller. (it can be set regardless of the temperature and fan speed settings.) high power opera...

  • Page 30

    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 aft...

  • Page 31

    Test run mode self-diagnostics mode 8. Troubleshooting (before calling for service) 8-1. Precautions before performing inspection or repair note after checking the self-diagnostics monitor, turn the power off before starting inspection or repair. High-capacity electrolytic capacitors are used inside...

  • Page 32

    Since the indications cover various units, the corresponding parts listed below may not be present in some models. (1) self-diagnostics lamps (1) drain pump failure (2) fs failure (3) choked drain hose 8512-5261-99100-1 remote control receiver operation lamp timer lamp operation button high power la...

  • Page 33

    (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 8-3. Checking the indoor and outdoor u...

  • Page 34

    (3) serial communication error identification procedure refer to "method of self-diagnostics" for the self-diagnostics procedure. (3-1) condition: e01 if the lamps on the main body show the following conditions after the completion of self-diagnostics, a communication error between the indoor unit a...

  • Page 35

    What is the latest self-diagnosis result ? Condition: e12 defect in the outdoor unit p.C. Board. Condition: e01 defect or connection error in the inter-unit cable defect in the indoor unit p.C. Board ( continued from the previous page a. ) a ( continued from the previous page b. ) b 1 2 4 3 5 6 1 2 ...

  • Page 36

    (3-2) condition: e12 troubleshooting serial communication 1. Turn off the power and wait until the power lamp (led) of the outdoor unit controller is turned off. 2. Disconnect the cable from the terminal 3 on the indoor unit terminal strip. (fig. 7) defect in the indoor unit p.C. Board defect in the...

  • Page 37

    [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 38

    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 40: Operating Instructions

    Operating instructions appendix a (852-6-4181-216-00-1) cs-mks9nb4u & cz-18bt1u cs-mks12nb4u & cz-18bt1u a-1.

  • Page 41: Split System Air Conditioner

    Split system air conditioner model no. Panasonic corporation 1006 kadoma, kadoma city, osaka, japan 85264181216001 indoor units cs-mks9nb4u cs-mks12nb4u outdoor units cu-3ks19nbu cu-4ks24nbu cu-4ks31nbu operating instructions before operating the unit, read these operating instructions thoroughly an...

  • Page 42

    2 features this air conditioner is an inverter type unit that automatically adjusts capability 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 contr...

  • Page 43

    3 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 44

    4 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 ...

  • Page 45

    5 remote controller (display) (1) operation mode mild dry .............................. Cool ..................................... Fan ........................................ (2) fan speed automatic operation ............... High ..................................... Medium...........................

  • Page 46

    6 remote controller transmitter when you press the buttons on the remote controller, the mark appears in the display to transmit the setting changes to the receiver in the air conditioner. Display information on the operating conditions is displayed while the remote controller is switched on. If the...

  • Page 47

    7 sensor a temperature sensor inside the remote controller senses the room temperature. (cover closed) clock button acl button (all clear) puts the remote controller into pre-operation status. Always press this button after replacing the batteries. On/off operation button this button is for turning ...

  • Page 48

    8 using the remote controller 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. 3. Use a thin object such as the tip of a pen to p...

  • Page 49

    9 operation with the remote controller 1. Operation 2. Adjusting the fan speed a. Automatic fan speed simply set the fan speed selector button to the position. This automatically sets the best fan speed for the room temperature. B. Manual fan speed if you want to adjust fan speed manually during ope...

  • Page 50

    10 4. Night setback mode night setback mode is used for saving energy. Press the night setback button while unit is operating. The mark appears in the display. To release the night setback function, press the night setback button again. In cooling and dry mode: ( and ) 5. High power mode high power ...

  • Page 51

    11 1. How to set the present time (example) to set to 10:30 pm. 2. How to set the off time (example) to stop the air conditioner at 11:00 am. 3. How to set the on time (example) to start operation at 7:10 am. 4. How to set daily on/off repeat timer (example) to start operation at 7:10 am. And stop t...

  • Page 52

    12 using 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. The indicator in the display indicates that this function is operating. Setting procedure: regardless of whe...

  • Page 53

    13 operation without the remote controller if you have lost the remote controller 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 set to the room temperature minus ...

  • Page 54

    14 air filter the air filter collects dust and other particles from the air and should be cleaned once every 6 months. If the filter gets blocked, the efficiency of the air conditioner drops greatly. The frequency with which the filter should be cleaned depends on the environment in which the unit i...

  • Page 55

    15 troubleshooting (before calling for service) 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. Operating range the air conditioner is operable within the temperatur...

  • Page 56

    16 specifications inch(mm) model no. Ceiling panel cz-18bt1u 6.0(2.7) 1-9/16×24-19/32×24-19/32 (40×625×625) unit dimensions (h×w×d) net weight lbs. (kg) model no. Indoor unit cs-mks9nb4u single-phase, 208-230 v, 60 hz heating capacity operation sound unit dimensions (h×w×d) net weight power source c...

  • Page 58: Operating Instructions

    Operating instructions cs-ks18nb4uw & cz-18bt1u (852-6-4181-211-00-1) appendix b a-2.

  • Page 59: Operating Instructions

    Split system air conditioner model no. Panasonic corporation 1006 kadoma, kadoma city, osaka, japan 85264181211001 indoor units cs-ks12nb41 cs-ks18nb4uw outdoor units (for single use) cu-ks12nk1a cu-ks18nku cu-ks18nkua (for multiple use) cu-3ks19nbu cu-4ks24nbu cu-4ks31nbu operating instructions bef...

  • Page 60

    2 features this air conditioner is an inverter type unit that automatically adjusts capability 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 contr...

  • Page 61

    3 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 62

    4 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 ...

  • Page 63

    5 remote controller (display) (1) operation mode mild dry .............................. Cool ..................................... Fan ........................................ (2) fan speed automatic operation ............... High ..................................... Medium...........................

  • Page 64

    6 remote controller transmitter when you press the buttons on the remote controller, the mark appears in the display to transmit the setting changes to the receiver in the air conditioner. Display information on the operating conditions is displayed while the remote controller is switched on. If the...

  • Page 65

    7 sensor a temperature sensor inside the remote controller senses the room temperature. (cover closed) clock button acl button (all clear) puts the remote controller into pre-operation status. Always press this button after replacing the batteries. On/off operation button this button is for turning ...

  • Page 66

    8 using the remote controller 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. 3. Use a thin object such as the tip of a pen to p...

  • Page 67

    9 operation with the remote controller 1. Operation 2. Adjusting the fan speed a. Automatic fan speed simply set the fan speed selector button to the position. This automatically sets the best fan speed for the room temperature. B. Manual fan speed if you want to adjust fan speed manually during ope...

  • Page 68

    10 4. Night setback mode night setback mode is used for saving energy. Press the night setback button while unit is operating. The mark appears in the display. To release the night setback function, press the night setback button again. In cooling and dry mode: ( and ) 5. High power mode high power ...

  • Page 69

    11 1. How to set the present time (example) to set to 10:30 pm. 2. How to set the off time (example) to stop the air conditioner at 11:00 am. 3. How to set the on time (example) to start operation at 7:10 am. 4. How to set daily on/off repeat timer (example) to start operation at 7:10 am. And stop t...

  • Page 70

    12 using 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. The indicator in the display indicates that this function is operating. Setting procedure: regardless of whe...

  • Page 71

    13 operation without the remote controller if you have lost the remote controller 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 set to the room temperature minus ...

  • Page 72

    14 air filter the air filter collects dust and other particles from the air and should be cleaned once every 6 months. If the filter gets blocked, the efficiency of the air conditioner drops greatly. The frequency with which the filter should be cleaned depends on the environment in which the unit i...

  • Page 73

    15 troubleshooting (before calling for service) 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. Operating range the air conditioner is operable within the temperatur...

  • Page 74

    16 specifications model no. • for single use • for single use heating capacity operation sound unit dimensions (h×w×d) net weight power source cooling capacity kw btu/h kw btu/h inch(mm) lbs.(kg) cooling operation outdoor (hi) indoor(h/m/l) outdoor (hi) indoor(h/m/l) heating operation db(a) db(a) mo...

  • Page 75

    17 model no. • for multiple use • for multiple use heating capacity operation sound unit dimensions (h×w×d) net weight power source cooling capacity kw btu/h kw btu/h inch(mm) lbs.(kg) cooling operation (h/m/l) heating operation (h/m/l) db(a) db(a) indoor unit cs-ks18nb4uw 17,500 single-phase, 208-2...

  • Page 76: Installation Instructions

    A-3 installation instructions cs-mks9nb4u & cz-18bt1u cs-mks12nb4u & cz-18bt1u cs-ks18nb4uw & cz-18bt1u appendix c (852-6-4190-582-00-0).

  • Page 77: Split System Air Conditioner

    For indoor unit this air conditioner uses the refrigerant r410a. External diameter of service port r410a: 5/16" split system air conditioner 85264190582000 2011 cv6233187754 installation instructions note contents page important! Please read before starting .................................. 2 1. Ge...

  • Page 78

    2 important! Please read before starting this air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently. For safe installation and trouble-free op...

  • Page 79

    3 ‡ $sso\uhiuljhudqwoxeulfdqwwrwkhpdwfklqjvxuidfhvri the flare and union tubes before connecting them, then tighten the nut with a torque wrench for a leak-free connection. ‡ &khfnfduhixoo\iruohdnvehiruhvwduwlqjwkhwhvwuxq ‡ 'rqrwohdnuhiuljhudqwzklohslslqjzrunirudqlqvwdoodwlrq or re-installation, and...

  • Page 80

    4 printed on container box for unit & pvc tube connection for drain hose connection remarks q'ty for full-scale installation diagram 1 2 4 4 4 2 1 for temporarily suspending indoor unit from ceiling flare insulation for wide / narrow tube connection for wide / narrow tube / flare nut connection for ...

  • Page 81

    5 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: dir...

  • Page 82

    6 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. Install in a sturdy manner to avoid increased operating nois...

  • Page 83

    7 hole-in-anchor concrete insert suspension bolt (m10 or 3/8") hole-in-plug (locally purchased) fig. 6-1 23-5/8"(600mm) 21-1/32"(534mm) ceiling opening dimensions suspension bolt pitch 23-5/8"(600 mm ) 21-1/32"(534 mm ) ceiling opening dimensions suspension bolt pitch drain tube connection port 22-5...

  • Page 84

    8 in cases where it is necessary to raise the height of the drain piping, the drain piping can be raised to a maximum height of 2.78 ft. (850 mm) above the bottom surface of the ceiling. Under no conditions attempt to raise it higher than 2.78 ft. (850 mm) above the bottom surface of the ceiling. Do...

  • Page 85

    9 a must be within the range of 1/2"(13mm) to 23/32"(18mm). (fig. 6-11) if not within this range, malfunction or other trouble may occur. Ceiling opening dimension ceiling side a indoor unit 3-5. Checking the drainage after wiring and drain piping are completed, use the following pro- cedure to chec...

  • Page 86

    10 (2) removing the corner cover and indicator cover a) while lightly pressing the cen- ter of the corner cover, pull up the tab for the screw hole. Use the same procedure to remove the indicator cover. (fig. 6-16) 3-6-2. Installing the ceiling panel (1) hang the temporary latches on the inside of t...

  • Page 87

    11 fig. 6-23 fig. 6-24 fig. 6-25 fit into the holes in the ceiling panel. Place the corner cover so that the 3 tabs then fasten it in place with the supplied screws. Pin hole for ceiling panel hook the grille from dropping hook that prevents can be installed rotated 90 * the grille can be installed ...

  • Page 88

    12 3-6-5. Checking after installation check that there are no gaps between the unit and the ceiling panel, or between the ceiling panel and the ceiling sur- face. Gaps may cause water leakage and condensation. Check that the wiring is securely connected. If it is not securely connected, the auto fla...

  • Page 89

    13 when connecting each power wire to the corresponding terminal, follow the instructions “how to connect wiring to the terminal” and fasten the wire securely tight with the fixing screw of the terminal plate. How to connect wiring to the terminal a) for indoor unit (1) cut the wire end with a cutti...

  • Page 90

    14 4. How to test run the air conditioner after turning on the power of 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. 33) a)press and hold the high power button and the 1hr. Timer button. E7khq...

  • Page 91

    15 5. Remote controller installation position the remote controller 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 controller in the following places: in direct sunlight behind a curtain or...

  • Page 92

    16 $&/ (reset) button 1hr. Timer button on/off operation button high power button 6. Address switch 6-1. Address setting of the remote controller the address can be set in order to prevent interfer- ence between remote controllers when 2 indoor units are installed near each other. The address is nor...

  • Page 93

    17 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. 8. Installation check sheet the strength of the installation location is sufficient to support the air conditioner weight. The indoor and ...

  • Page 94: Operating Instructions

    Operating instructions cz-rd515u (852-6-4181-230-00-1) appendix d a-4.

  • Page 95: Wired Remote Controller

    Wired remote controller model no. Cz-rd515u operating instructions panasonic corporation 1006 kadoma, kadoma city, osaka, japan 85264181230001 cv6233187877 this wired remote controller is designed for both the “cool/dry/heat model” and “cool/dry model” indoor unit. Once the wired remote controller i...

  • Page 96

    2 features • microprocessor controlled operation the interior compartment of the remote controller contains several features to facilitate automatic operation, easy logically displayed for easy use. • 24-hour on or off timer this timer can be set to automatically turn the unit on or off at any time ...

  • Page 97

    3 installation location we recommend that this wired remote controller be installed properly by qualified installation technicians in accordance with the installation instructions provided with the unit. Avoid: to protect the air conditioner from heavy corrosion, avoid installing the outdoor unit wh...

  • Page 98

    4 remote controller display information on the operating conditions is displayed while the remote controller is switched on. If the unit is turned off, only the mode that was set previously is still displayed. Fan speed selector button : the air conditioner automatically decides the fan speeds. : hi...

  • Page 99

    5 sensor a temperature sensor inside the remote controller senses the room temperature. On/off operation button this button is for turning the air conditioner on and off. 1 hr. Timer button (1-hour off timer) : when you press this button, regardless of whether the unit is operating or stopping, the ...

  • Page 100

    6 remote controller (display) (1) operation mode auto ..................................... (only for cool/dry/heat model) heat ...................................... (only for cool/dry/heat model) mild dry .............................. Cool ..................................... Fan ..................

  • Page 101

    7 operation with the remote controller 1. Automatic operation (only for cool/dry/heat model) • single use this unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting. • multiple use the air cond...

  • Page 102

    8 3. Adjusting the fan speed a. Automatic fan speed simply set the fan speed selector button to the position. This automatically sets the best fan speed for the room temperature. B. Manual fan speed if you want to adjust fan speed manually during operation, just set the fan speed selector button as ...

  • Page 103

    9 setting the timer 1. How to set the present time (example) to set to 9:10 pm. 2. How to set the off time (example) to stop the air conditioner at 11:30 pm. To cancel the setting, press the timer select button twice. 3. How to set the on time (example) to start operation at 7:10 am. To cancel the s...

  • Page 104

    10 using 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. The indicator in the display indicates that this function is operating. Setting procedure: regardless of whe...

  • Page 106: Installation Instructions

    A-5 installation instructions cz-rd515u (852-6-4190-592-00-0) appendix e.

  • Page 107: Wired Remote Controller

    Parts supplied with the remote controller see table 1. Remote controller installation guidelines ‡ mount the remote controller 3.3 to 4.9 ft. (1 to 1.5 meters) off the floor where it can sense the average temperature of the room. ‡ do not mount the remote controller in a place exposed to direct sunl...

  • Page 108

    2 a. Installing with in-wall junction box (1) install the junction box (locally purchased) into the wall. (figs. 2-a and 3) (2) pass the wire harness through the junction box and conduit. (fig. 3) (3) insert a flathead screwdriver into the 5 tab locations and disconnect the back plate of the remote ...

  • Page 109

    Fig. 8 indicator wire harness ceiling panel terminal cover clamps 7p ind and 4p rc wiring connector 5p flap wiring connector clamping strap flap rc ind 7p 4p 5p flap wiring connector wire harness remote controller wire harness control pcb indicator 7p ind and 4p rc wiring connector putty 3 how to wi...

  • Page 110

    4 fig. 9 fig. 10 fig. 11 on/off operation button 1 hr.Timer button night setback button acl (reset) button sensor button operation lamp timer lamp high power lamp remote control receiver operation button how to test run the air conditioner after turning on the power of the air conditioner, use the r...

  • Page 112

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