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Panasonic R410A - page 1
CU-3KS19NBU (3-room multi unit) CU-4KS24NBU (4-room multi unit) CU-4KS31NBU (4-room multi unit) < Applicable Multi-Outdoor Units > INDOOR UNIT : CS-MKS9NB4U & CZ-18BT1U CS-MKS12NB4U & CZ-18BT1U CS-KS18NB4UW & CZ-18BT1U DC INVER TER MUL TI-SYSTEM AIR CONDITIONER Semi-Concealed T ype Indoor Unit 1 852 361 08 (1 852 361 15) 1 852 361 ...
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Panasonic R410A - page 2
SAFETY PRECA UTIONS W arning Before perf or ming an ov erhaul, disconnect the power plug or power cab le from the unit. P erforming the work with the power supplied to the unit, ma y cause an electr ic shoc k. When repair work or circuit inspection that requires power supply f or the air conditioner , is to be performed, do not touch the charging s ...
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Panasonic R410A - page 3
W arning 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 wor k, v entilate the room. If refrigerant gas catches fire, harmful gas may be generated. Do not mix any gas other than the specified refrigerant gas in the refrigerating cycle. If air or other con ...
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Panasonic R410A - page 4
SAFETY PRECA UTIONS T ABLE OF CONTENTS APPLICABLE MUL TI-OUTDOOR UNITS 1. OPERA TING RANGE 2. SPECIFICA TIONS 2-1. Unit Specifications 2-2. Major Component Specifications 2-3. Other Component Specifications 3. DIMENSIONAL D A T A 4. REFRIGERANT FLO W DIA GRAM 4-1. Refrigerant Flow Diagram 5. ELECTRICAL D A T A 5-1. Electric Wiring Diagrams 6. MAINT ...
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Panasonic R410A - page 5
APPENDIX D Operating Instructions (CZ-RD515U) APPENDIX E INST ALLA TION INSTRUCTIONS (CZ-RD515U) ............................................................................................ ............................................................................ A-4 A-5 P age 5 ...
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Panasonic R410A - page 6
APPLICABLE MUL TI-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 ...
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Panasonic R410A - page 7
95 °F DB / 71 °F WB 67 °F DB / 57 °F WB 1. OPERA TING RANGE Maximum Minimum 115 °F DB 14 °F DB T emperature Indoor Air Intake T emp. Outdoor Air Intake T emp. Cooling 7 ...
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Panasonic R410A - page 8
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 Voltage Range Running Amperes Narrow tube Wide tu ...
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Panasonic R410A - 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 (mm) Tube Diameter inch (mm) 1/4 (6.35) 3/8 (9.5 ...
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Panasonic R410A - 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 tube Refrigerant inch (mm) Tube Diameter inch (mm) ...
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Panasonic R410A - 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 (mm) Tube Diameter inch (mm) 1/4 (6.35) 3/8 (9. ...
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Panasonic R410A - 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 tube Refrigerant inch (mm) Tube Diameter inch (mm ...
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Panasonic R410A - 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 tube Refrigerant inch (mm) Tube Diameter inch (mm ...
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Panasonic R410A - 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 Oh m (Ambient Temp. 77 °F (25 °C)) Each Pair of Term ...
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Panasonic R410A - 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 Oh m (Ambient Temp. 77 °F (25 °C)) Each Pair of Terminal : 380 +/- 7% DC 12V Aluminum Plate Fin / Copper ...
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Panasonic R410A - 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 Oh m (Ambient Temp. 77 °F (25 °C)) Each Pair of Terminal : 380 +/- 7% DC 12V Aluminum Plate Fin / Copper T ...
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Panasonic R410A - 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) (20) (25) (30) (35) (40) • Indoor ai ...
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Panasonic R410A - page 18
3. DIMENSIONAL D A T A 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 pitch 21-1/32 (534) 21-1/32 (534) ...
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Panasonic R410A - 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 FLO W DIA GRAM 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 exchanger Strainer Heat ...
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Panasonic R410A - page 20
5. ELECTRICAL DA T A 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 MOT OR DRAIN PUMP DCM 6P (BLU) 6P (WHT) DP 3P (BLU) 3P (RED) PWM/POW 7P (RED) PWM/POW 7P (RED) RC 4P (WHT) IND 7P (WHT) FS 3P (RED) FLAP 5P (WHT) RO ...
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Panasonic R410A - page 21
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 hinges for the grill and remove the air intake gril ...
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Panasonic R410A - page 22
NO TE 6-1-3. Remove the ceiling panel. (1) Open the clamp (4 locations) and remov e the 2 lead wires from the clamps. (Fig. 6) (2) Remov e the 4 screws fixing the corner cov er (at 3 locations) and indicator cover (at 1 location). (Fig. 6) (3) Press the center 1 of the cov er and remov e the cov er with the section 2 pulled down. (Fig. 7) (4) Remov ...
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Panasonic R410A - 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 screws and remove the power box cover. (Fig. 11) (3) D ...
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Panasonic R410A - page 24
12 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 (FS 3P) and CN09 (COIL-1 2P) in the control box. (F ...
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Panasonic R410A - 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 leakage from the drain pan. • Put a bucket, etc., unde ...
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Panasonic R410A - page 26
6-1-7. Remove the heat exchanger sensor. (1) Remo ve the heat e xchanger sensor from the sensor holder . (Fig. 19) 6-1-8. Remove the drain pump and float switch. (1) Remov e the 2 screws (Fig. 20) (2) Loosen the clamp and disconnect the drain hose from the drain pump . (Fig. 20) (3) Remov e the drain pump from the main body upper section. (Fig. 20) ...
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Panasonic R410A - page 27
6-1-9. Remove the turbo fan and fan motor. (1) Remov e a nut and remov e the turbo f an. (Fig. 22) (2) Remov e the 2 screws and 3 nuts , and remov e the fan motor . (Fig. 23) 6-1-10. Remove the heat exchanger. (1) Remov e the 3 screws . (Fig. 24) (2) Remov e the 3 screws . (Fig. 25) (3) Remov e the heat exchanger from the main body upper section wi ...
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Panasonic R410A - page 28
Emergency operation SENSOR DR Y During DR Y operation, the system adjusts the room temperature and f an speed according to the conditions in the room, in order to maintain a comf or table room en vironment. SENSOR DR Y operation • DR Y operation is as shown in the figure below . P AM- control • In order to further improve in verter performance, ...
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Panasonic R410A - page 29
HIGH PO WER NIGHT SETB A CK Lamp colors Timer backup This function acts to raise the power b ut keeps the AC system in the same operating mode. This function is set with the HIGH PO WER button on the remote controller . (It can be set regardless of the temperature and f an speed settings.) HIGH PO WER operation from remote contr oller The unit oper ...
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Panasonic R410A - page 30
Freeze prevention During COOL or DR Y operation, freezing is detected and operation is stopped when the temperature of the indoor heat e xchanger matches the conditions below . 1. F reeze-pre vention operation is engaged when the temperature of the indoor heat e xchanger is below 43°F(6°C). 2. Restar t after freeze-pre vention operation occurs wh ...
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Panasonic R410A - page 31
< Clock display > Test run mode Self-diagnostics mode 8. TROUBLESHOOTING (BEFORE CALLING FOR SERVICE) 8-1. Precautions before Performing Inspection or Repair NO TE After checking the self-diagnostics monitor , tur n the po wer OFF before starting inspection or repair . High-capacity electrolytic capacitors are used inside the outdoor unit con ...
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Panasonic R410A - 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 F AILURE (2) FS F AILURE (3) CHOKED DRAIN HOSE 8512-5261-99100-1 REMO TE CONTROL receiver OPERA TION lamp TIMER lamp OPERA TION bu tton HIGH PO WER lamp INDOOR UNIT TIMER LAMP BLINKING (3 SEC . ...
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Panasonic R410A - 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 Units (1) Checking the indoor unit (2) Checking ...
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Panasonic R410A - page 34
(3) Serial Communication Error Identification Procedure Refer to "Method of Self-Diagnostics" for the self-diagnostics procedure. (3-1) Condition: E01 < Before the Operation > If the lamps on the main body show the following conditions after the completion of self-diagnostics, a communication error between the indoor unit and outdoo ...
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Panasonic R410A - 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 pre vious page A. ) A ( Continued from the pre vious page B. ) B 1 2 4 3 5 6 1 2 3 Outdoor Unit Po we r Fig. 3 Indoor Unit 1 2 ...
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Panasonic R410A - page 36
(3-2) Condition: E12 T roubleshooting Serial Communication 1. T urn off the power and wait until the power lamp (LED) of the outdoor unit controller is turned OFF . 2. Disconnect the cab le from the ter minal 3 on the indoor unit terminal str ip . (Fig. 7) Defect in the indoor unit P .C. board Defect in the outdoor unit P .C. board 1. T urn ON the ...
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Panasonic R410A - page 37
[T r ouble symptom 3] Motor rotates for some time (se veral seconds), b ut then quickly stops, when the indoor unit operates. (There is trouble in the system that pro vides feedbac k of motor rotation speed from the motor to the indoor unit controller .) [T r ouble symptom 4] F an motor rotation speed does not change during indoor unit operation. [ ...
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Panasonic R410A - page 38
8-5. Noise Malfunction and Electromagnetic Interference An inv er ter A/C operates using pulse signal control and high frequencies . Therefore , it is susceptible to the eff ects of external noise, and is lik ely to cause electromagnetic interference with nearb y wireless devices . A noise filter is installed f or ordinar y use, pre venting these p ...
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Panasonic R410A - page 39
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Panasonic R410A - page 40
Operating Instructions APPENDIX A (852-6-4181-216-00-1) CS-MKS9NB4U & CZ-18BT1U CS-MKS12NB4U & CZ-18BT1U A-1 ...
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Panasonic R410A - page 41
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 and keep them for future reference. CV6233187624 Thi ...
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Panasonic R410A - page 42
2 FEA TURES This air conditioner is a n inverter type u nit that automaticall y adjusts ca pability as appropriate. Details on these functions are provided be low; ref er to these descriptions when using the air conditioner . • Micropr ocessor Control led Operation The interior compa rtmen t of the remote controller contains sev e ra l features t ...
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Panasonic R410A - page 43
3 INST ALLA TION LOCA TION • W e reco mmend that this air conditioner be installed properl y by qualified ins tallation technicians in accor dance with the Installation Instr uctions pr ovided with the unit. • Bef ore installation, chec k that the voltage of the electric supply in your home or off ice is the same as the voltage shown on the nam ...
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Panasonic R410A - page 44
4 NAMES OF P AR TS This illustr ation is based on the e xternal view of a standa rd model. Consequently , the shape ma y differ from th at of the air conditioner which y ou hav e selected. This air conditioner consists of an i ndoor unit and an outdoor unit. Y ou can control the air cond it ioner with the remote controller . UNIT DISPLA Y AND OPERA ...
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Panasonic R410A - page 45
5 REMO TE CONTROLLER (DISPLA Y) (1) Operation mod e MILD DR Y .... ......................... . COOL ........... ...................... .... F AN .............. ......................... . (2) F an speed A utomatic operation ........... .... HIGH ........... ...................... .... MEDIUM... .......................... .... LOW .................. ...
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Panasonic R410A - page 46
6 REMO TE CONTROLLER T ransmitter When you press the buttons on t he remote controller , the mark appears i n the displa y to transmi t the setting ch anges to the recei ver in the air conditioner . Display Inf or mation on the operating conditions is display ed while th e remote controller is s witched on. If the uni t is turned off, FLAP setting ...
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Panasonic R410A - page 47
7 Sensor A temperature sensor ins ide the remote controller senses the room temperature . (Co ver closed ) CLOCK button A CL button (ALL CLEAR) Puts the remote controller into pre-ope rati on status. Alwa ys press this button after replacing the batteries. ON/OFF operation b utton This button is for turning the air conditioner on and off . 1 HR. TI ...
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Panasonic R410A - page 48
8 USING THE REMO TE CONTROLLER HO W T O INST ALL BA TTERIES 1. Slide the co ver in the d irection indicated by the arrow and remo ve it. 2. Install two AAA alkaline batteries. Mak e sure the batteries point in the direction marked in t he batte r y compar tment. 3. Use a thin object such as the tip of a pen to press the ACL b utton. HO W T O USE TH ...
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Panasonic R410A - page 49
9 OPERA TION WITH THE REMO TE CONTROLLER 1. Operation 2. Adjusting the Fan Speed A. A utomatic fan speed Simply set the F AN SPEED selector b utton to the position. This automatically sets th e best fan speed f or the room temperature. B. Manual fan speed If you w ant to adjust fan speed manually dur ing operation, just set the F AN SPEED selector ...
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Panasonic R410A - page 50
10 4. Night Setback Mode Night Setbac k Mode is used f or saving energy . Press the NIGHT SETBACK b utton while unit is operating. The mark appears in the display . T o release the night setback fun ction, press the NIGHT SETBACK button again. In Cooling and DR Y Mode: ( and ) 5. HIGH PO WER Mode HIGH PO WER mode can be used to increase the output ...
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Panasonic R410A - page 51
11 1. How to set the p resent time (Example) T o set to 10:30 pm. 2. How to set the OFF time (Example) T o stop the air conditioner at 11:00 am. 3. How to set the ON time (Example) T o star t operation at 7:10 am. 4. How to set dail y ON/OFF repeat timer (Example) T o star t oper ation at 7:10 am. and stop the air condi tioner at 11:00 am. • The ...
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Panasonic R410A - 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, regar dless of whether the unit is on or off when this button is pressed. The indicator in the displa y i ndicates that this function is operating. Setting pro cedure: Regardless of whether the unit is o perating or stopped, press ...
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Panasonic R410A - page 53
13 OPERA TION WITHOUT THE REMO TE CONTROLLER If you ha ve lost the remote control ler or it has trouble, f ollow the steps below . When the air conditioner is not running Each time the OPERA TION bu tton is pressed, the oper ation mode changes cyclically . The temperature is set to the ro om temper ature minus 4°F during the cooling op eration, an ...
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Panasonic R410A - page 54
14 Air filter The air f ilter collects dust an d other par ticles from the air and should be cleaned once ev er y 6 month s. If the fil ter gets bloc ked, the eff iciency of the air conditioner drops greatly . The frequency with which the f ilter should be cleaned depends on the en vironment in which the unit is used. How to remo ve the filter 1. S ...
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Panasonic R410A - page 55
15 TR OUBLESHOO TING (BEFORE CALLING FOR SER VICE) If your air co nditioner does not work properly , f irst check th e follo wing points bef ore requesting service. If it still does not work properly , contact your d ealer or service center . OPERA TING RANGE The air conditi oner is operab le within the temper ature ranges as listed belo w: WIRED R ...
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Panasonic R410A - page 56
16 SPECIFICA TIONS inch( mm ) Model No. Ceiling P anel CZ-18BT1U 6.0(2.7) 1-9/16×24-19/32×24-19/32 (40×625×625) Unit Di m ensions (H×W×D) Net W eight lbs. (kg) Model No. Indoor Unit CS-MKS9NB4U Single-phase, 208-230 V , 60 Hz Heating Capacity Operation Sound Unit Di m ensions (H×W×D) Net W eight P ower Source Cooling Capacity kW BTU/h kW BT ...
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Panasonic R410A - page 57
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Panasonic R410A - page 58
Operating Instructions CS-KS18NB4UW & CZ-18BT1U (852-6-4181-211-00-1) APPENDIX B A-2 ...
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Panasonic R410A - page 59
Split Syste m Air Conditioner Model No. Panasonic Corporation 1006 Kado m a, Kado m a City, Osaka, Japan 85264181211001 Indoor Units CS-KS12NB41 CS-KS18NB4UW Outdoor Units (For Single use) CU-KS12NK1A CU-KS18NKU CU-KS18NKU A (For Multiple use) CU-3KS19NBU CU-4KS24NBU CU-4KS31NBU Operating Instructions Before operating the unit, read these operating ...
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Panasonic R410A - page 60
2 FEA TURES This air conditioner is a n inverter type u nit that automaticall y adjusts ca pability as appropriate. Details on these functions are provided be low; ref er to these descriptions when using the air conditioner . • Micropr ocessor Control led Operation The interior compa rtmen t of the remote controller contains sev e ra l features t ...
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Panasonic R410A - page 61
3 INST ALLA TION LOCA TION • W e reco mmend that this air conditioner be installed properl y by qualified ins tallation technicians in accor dance with the Installation Instr uctions pr ovided with the unit. • Bef ore installation, check that the voltage of the electric supply in your home or off ice is the same as the voltage shown on the name ...
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Panasonic R410A - page 62
4 NAMES OF P AR TS This illustr ation is based on the e xternal view of a standa rd model. Consequently , the shape ma y differ from th at of the air conditioner which y ou hav e selected. This air conditioner consists of an i ndoor unit and an outdoor unit. Y ou can control the air cond it ioner with the remote controller . UNIT DISPLA Y AND OPERA ...
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Panasonic R410A - page 63
5 REMO TE CONTROLLER (DISPLA Y) (1) Operation mod e MILD DR Y .... ......................... . COOL ........... ...................... .... F AN .............. ......................... . (2) F an speed A utomatic operation ........... .... HIGH ........... ...................... .... MEDIUM... .......................... .... LOW .................. ...
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Panasonic R410A - page 64
6 REMO TE CONTROLLER T ransmitter When you press the buttons on t he remote controller , the mark appears i n the displa y to transmi t the setting ch anges to the recei ver in the air conditioner . Display Inf or mation on the operating conditions is display ed while th e remote controller is s witched on. If the uni t is turned off, FLAP setting ...
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Panasonic R410A - page 65
7 Sensor A temperature sensor ins ide the remote controller senses the room temperature . (Co ver closed ) CLOCK button A CL button (ALL CLEAR) Puts the remote controller into pre-ope rati on status. Alwa ys press this button after replacing the batteries. ON/OFF operation b utton This button is for turning the air conditioner on and off . 1 HR. TI ...
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Panasonic R410A - page 66
8 USING THE REMO TE CONTROLLER HO W T O INST ALL BA TTERIES 1. Slide the co ver in the d irection indicated by the arrow and remo ve it. 2. Install two AAA alkaline batteries. Mak e sure the batteries point in the direction marked in t he batte r y compar tment. 3. Use a thin object such as the tip of a pen to press the ACL b utton. HO W T O USE TH ...
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Panasonic R410A - page 67
9 OPERA TION WITH THE REMO TE CONTROLLER 1. Operation 2. Adjusting the Fan Speed A. A utomatic fan speed Simply set the F AN SPEED selector b utton to the position. This automatically sets th e best fan speed f or the room temperature. B. Manual fan speed If you w ant to adjust fan speed manually dur ing operation, just set the F AN SPEED selector ...
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Panasonic R410A - page 68
10 4. Night Setback Mode Night Setbac k Mode is used f or saving energy . Press the NIGHT SETBACK b utton while unit is operating. The mark appears in the display . T o release the night setback fun ction, press the NIGHT SETBACK button again. In Cooling and DR Y Mode: ( and ) 5. HIGH PO WER Mode HIGH PO WER mode can be used to increase the output ...
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Panasonic R410A - page 69
11 1. How to set the p resent time (Example) T o set to 10:30 pm. 2. How to set the OFF time (Example) T o stop the air conditioner at 11:00 am. 3. How to set the ON time (Example) T o star t operation at 7:10 am. 4. How to set dail y ON/OFF repeat timer (Example) T o star t oper ation at 7:10 am. and stop the air condi tioner at 11:00 am. • The ...
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Panasonic R410A - 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, regar dless of whether the unit is on or off when this button is pressed. The indicator in the displa y i ndicates that this function is operating. Setting pro cedure: Regardless of whether the unit is o perating or stopped, press ...
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Panasonic R410A - page 71
13 OPERA TION WITHOUT THE REMO TE CONTROLLER If you ha ve lost the remote control ler or it has trouble, f ollow the steps below . When the air conditioner is not running Each time the OPERA TION bu tton is pressed, the oper ation mode changes cyclically . The temperature is set to the ro om temper ature minus 4°F during the cooling op eration, an ...
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Panasonic R410A - page 72
14 Air filter The air f ilter collects dust an d other par ticles from the air and should be cleaned once ev er y 6 month s. If the fil ter gets bloc ked, the eff iciency of the air conditioner drops greatly . The frequency with which the f ilter should be cleaned depends on the en vironment in which the unit is used. How to remo ve the filter 1. S ...
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Panasonic R410A - page 73
15 TR OUBLESHOO TING (BEFORE CALLING FOR SER VICE) If your air co nditioner does not work properly , f irst check th e follo wing points bef ore requesting service. If it still does not work properly , contact your d ealer or service center . OPERA TING RANGE The air conditi oner is operab le within the temper ature ranges as listed belo w: Fo r Co ...
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Panasonic R410A - page 74
16 SPECIFICA TIONS Model No. • F or Single use • F or Single use Heating Capacity Operation Sound Unit Di m ensions (H×W×D) Net W eight P ower 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) Model No. Heating Capacity Operation ...
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Panasonic R410A - page 75
17 Model No. • F or Multiple use • F or Multiple use Heating Capacity Operation Sound Unit Di m ensions (H×W×D) Net W eight P ower 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, 208-230 V , 60 Hz 5.15 - - 44/40/36 - 11- ...
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Panasonic R410A - page 76
A-3 INSTALLATION INSTRUCTIONS CS-MKS9NB4U & CZ-18BT1U CS-MKS12NB4U & CZ-18BT1U CS-KS18NB4UW & CZ-18BT1U APPENDIX C (852-6-4190-582-00-0) ...
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Panasonic R410A - page 77
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 IMPORT ANT! Please Read Before Starting .................................. 2 1. GENERAL ...................................... ...
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Panasonic R410A - page 78
2 IMPORT ANT! 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 operation, you must: Carefully read this instr ...
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Panasonic R410A - page 79
3 $SSOUHIULJHUDQWOXEULFDQWWRWKHPDWFKLQJVXUIDFHVRI the flare and union tubes before connecting them, then tighten the nut with a torque wrench for a leak-free connection. &KHFNFDUHIXOOIRUOHDNVEHIRUHVWDUWLQJWKHWHVWUXQ 'RQRWOHDNUHIULJHUDQWZKLOHSLSLQJZRUNIRUD ...
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Panasonic R410A - 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 flare / drain insulating connection For d ...
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Panasonic R410A - 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 A VOID: direct sunlight. nearby heat sources that ma ...
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Panasonic R410A - 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 noise. 2-2. Embedding the T ubing and Wir ...
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Panasonic R410A - 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"(600 mm ) 21-1/32"(534 mm ) 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 por t 22-5/8"(575 mm ) 6- ...
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Panasonic R410A - 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. Doing so will result in water leakage. (Fig. 6-7 ...
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Panasonic R410A - page 85
9 A must be within the range of 1/2"(13 mm ) to 23/32"(18 mm ). (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 check that the water will drain smoothly ...
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Panasonic R410A - 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 the ceil- ing panel to the receptacle on the unit ...
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Panasonic R410A - 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 with these hinges facing in any of 4 directions. 3 ...
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Panasonic R410A - 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 flap will not operate. In addition, water lea ...
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Panasonic R410A - 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 cutting pliers, then strip the insulation to expose ...
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Panasonic R410A - page 90
14 4. How to T est 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 T est Run mode. (Fig. 33) a) Press and hold the HIGH POWER button and the 1HR. TIMER button. E 7KHQSUHVVDQGKROGWKH $&/ ...
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Panasonic R410A - 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. T o ensure that the air conditioner operates correctly , do not install the remote controller in the following places: In direct sunlight Behind a curtain or other place where it is covered Mo ...
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Panasonic R410A - 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 normally set to “A.” T o set a different add ...
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Panasonic R410A - 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 outdoor units are installed level and vertically ...
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Panasonic R410A - page 94
Operating Instructions CZ-RD515U (852-6-4181-230-00-1) APPENDIX D A-4 ...
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Panasonic R410A - page 95
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 is connected, the wireless remote controlle ...
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Panasonic R410A - page 96
2 FEA TURES • Micropr ocessor Co ntr olled Operation The interior comp ar tment of th e remote controll er contains se vera l f eatures to facilitate automatic op eration, easy logically displa yed f or easy use. • 24-Hour ON or OFF Timer This timer can be set to automatically turn the unit on or off at any time within a 24 hour period. • 1-H ...
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Panasonic R410A - page 97
3 INST ALLA TION LOCA TION W e recommend that this wired remote controller be installed proper ly by qualified installation technicians in accor dance with the Installation Inst ructions pro vided with the unit. Avo i d : T o protect the air conditioner from heavy corrosion, av oid installing the outdoor unit where salty sea water can splash direct ...
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Panasonic R410A - page 98
4 REMO TE CONTROLLER Display Inf or mation on the operating conditions i s display ed while the re mote controller is s witched on. If the unit is tur ned off , only the mode that was set previously is still displayed. F AN SPEED selector b utton : The air conditioner automatically dec ides the fan speeds . : High f an speed : Medium f an speed : L ...
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Panasonic R410A - page 99
5 Sensor A temperature sensor inside the remote controller senses the room temperature. ON/OFF operation b utton This bu tton is for t ur ning the ai r conditioner on and off . 1 HR. TIMER b utton (1-HOUR OFF TIMER) : When y ou press this button, regard less of whether the un it is operating or s topping, the unit operates for one hour and then shu ...
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Panasonic R410A - page 100
6 REMO TE CONTROLLER (DISPLA Y) (1) Operation mod e A U T O .... ....................... .......... (only f or COOL/DR Y/HEA T Model) HEA T .................. .................... (only f or COOL/DR Y/HEA T Model) MILD DR Y .... ......................... . COOL ........... ...................... .... F AN .............. ......................... . ...
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Panasonic R410A - page 101
7 OPERA TION WITH THE REMO TE CONTROLLER 1. A utomatic Operation (only f or COOL/DR Y/HEA T Model) • Single use This unit automatically s witches between cool ing operation and heating operatio n according to the difference be tween the room temperature and the t emperature setting. • Multiple use The air conditioner calculates the diff erence ...
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Panasonic R410A - page 102
8 3. Adjusting the Fan Speed A. A utomatic fan speed Simply set the F AN SPEED se lector button to the position. This automatically sets th e best fan speed f or the room temperature. B. Manual fa n speed If you w ant to adjust fan speed manually during operati on, just set the F AN SPEED selector b utton as desired. [ , , or ] 4. Fan Onl y 5. Nigh ...
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Panasonic R410A - page 103
9 SETTING THE TIMER 1. How to set the p resent time (Example) T o set to 9:10 pm. 2. How to set the OFF time (Example) T o stop the air conditioner at 11:30 pm. T o cancel the setting, press the TIMER SELECT button twice. 3. How to set the ON time (Example) T o star t operation at 7:10 am. T o cancel the setting, press t he TIMER SELECT button thre ...
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Panasonic R410A - 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, regar dless of whether the unit is on or off when this button is pressed. The indicator in the displa y i ndicates that this function is operating. Setting pro cedure: Regardless of whether the unit is o perating or stopped, press ...
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Panasonic R410A - page 105
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Panasonic R410A - page 106
A-5 INSTALLATION INSTRUCTIONS CZ-RD515U (852-6-4190-592-00-0) APPENDIX E ...
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Panasonic R410A - page 107
Parts supplied with the remote controller See T able 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 sunlight or where it is exposed to outside air su ...
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Panasonic R410A - 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 controller by lifting up slightly . (Fig. 2-b) The ...
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Panasonic R410A - page 109
Fig. 8 Indicator Wire harness Ceiling panel T erminal 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 wire the remote controller (1) T urn OFF the power ...
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Panasonic R410A - page 110
4 Fig. 9 Fig. 10 Fig. 1 1 ON/OFF operation button 1 HR.TIMER button NIGHT SETBACK button ACL (Reset) button SENSOR button OPERA TION lamp TIMER lamp HIGH POWER lamp REMOTE CONTROL receiver OPERA TION button How to T est Run the Air Conditioner After turning on the power of the air conditioner , use the remote controller and follow the steps below t ...
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Panasonic R410A - page 111
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Panasonic R410A - page 112
DC1111-0 ...
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