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Air Conditioner
Panasonic
- page 132
Models:
CS-KE12NB41
CS-KE18NB4UW
CU-KE12NK1
CU-KE18NKU
CZ-18BT1U
1
132
132
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132 pages, 4.47 Mb
DC1111-0
Contents
Main
TECHNICAL & SERVICE MANUAL
CS-KE12NB41 & CZ-18BT1U + CU-KE12NK1 CS-KE18NB4UW & CZ-18BT1U + CU-KE18NKU
Indoor Unit
DC INVERTER SPLIT SYSTEM AIR CONDITIONER
Outdoor Unit
SAFETY PRECAUTIONS
Warning
Caution
Table of Contents
Page
1. OPERATING RANGE
2. SPECIFICATIONS
2-1. Unit Specifications
Indoor Unit CS-KE12NB41 & CZ-18BT1U
2-1-1.
Indoor Unit CS-KE12NB41 & CZ-18BT1U
Cooling: Indoor air temperature 80 F DB / 67 F WB
< 230V >
2-1-2.
< 230V >
Cooling: Indoor air temperature 80 F DB / 67 F WB
Outdoor Unit CU-KE18NKU < 208V >
2-1-3.
< 208V >
Cooling: Indoor air temperature 80 F DB / 67 F WB
Indoor Unit (Body) CS-KE12NB41
Indoor Unit (Panel) CZ-18BT1U
2-2. Major Component Specifications
2-2-1. Indoor Unit
Indoor Unit (Body) CS-KE18NB4UW
Indoor Unit (Panel) CZ-18BT1U
2-2-2. Outdoor Unit
Page
2-3. Other Component Specifications
3. DIMENSIONAL DATA
Indoor Unit CS-KE12NB41 & CZ-18BT1U CS-KE18NB4UW & CZ-18BT1U
A View
24-19/32 (625)
Center of
Outdoor Unit CU-KE12NK1
Unit : inch (mm) (852-0-0010-12700-0)
ID:23/32
4-ID:15/16
Outdoor Unit CU-KE18NKU
Unit : inch (mm) (852-0-0010-13200-0)
Compressor
Heat exchanger Heat exchanger
Indoor unit Outdoor unit
4. REFRIGERANT FLOW DIAGRAM
4-1. Refrigerant Flow Diagram
Indoor Unit CS-KE12NB41 & CZ-18BT1U Outdoor Unit CU-KE12NK1
Indoor unit Outdoor unit
M
Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU
Cooling Characteristics (RH : 46%, Indoor fan speed : High fan) (60Hz, 115V)
(1) Low pressure performance chart
5. PERFORMANCE DATA
5-1. Temperature Charts
Indoor Unit CS-KE12NB41 & CZ-18BT1U Outdoor Unit CU-KE12NK1
Heating Characteristics (RH : 85%, Indoor fan speed : High fan) (60Hz, 115V)
(1) High pressure performance chart
Cooling Characteristics (RH : 46%, Indoor fan speed : High fan) (60Hz, 230V)
(1) Low pressure performance chart
Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU
Heating Characteristics (RH : 85%, Indoor fan speed : High fan) (60Hz, 230V)
(1) High pressure performance chart
5-2. Cooling Capacity
< Cooling Capacity >
Above data does not take Freeze Prevention Protection during cooling operation into account.
Power Supply : 230V Single Phase 60Hz < Cooling Capacity >
Above data does not take Freeze Prevention Protection during cooling operation into account.
5-3. Cooling Capacity (Low Ambient)
< Cooling Capacity (Low Ambient) >
1. 2. Above data represents the value when the operation frequency of a compressor is fixed.
Above data does not take Freeze Prevention Protection during cooling operation into account.
Power Supply : 230V Single Phase 60Hz < Cooling Capacity (Low Ambient) >
1. 2. Above data represents the value when the operation frequency of a compressor is fixed.
Above data does not take Freeze Prevention Protection during cooling operation into account.
5-4. Heating Capacity
< Heating Capacity >
TH : Total Heating Capacity (BTU/h)
Power Supply : 230V Single Phase 60Hz < Heating Capacity >
TH : Total Heating Capacity (BTU/h)
6. ELECTRICAL DATA
6-1. Electrical Characteristics
Indoor Unit CS-KE12NB41 & CZ-18BT1U Outdoor Unit
Indoor Unit CZ-KE18NB4U & CZ-18BT1U Outdoor Unit
230V
<
>
<
(1) Voltage:230V
6-2. Electric Wiring Diagrams
Indoor Unit CS-KE12NB41 & CZ-18BT1U CS-KE18NB4UW & CZ-18BT1U
2 3
1
8FA2-5250-46900-2
Page
8FA2-5251-11900-2
Outdoor Unit CU-KE18NKU
*
CONTROLLER
S RT CM
7. MAINTENANCE
7-1. Address Setting of the Remote Controller
7-2. Disconnecting and Connecting Positive Connector for Outdoor Unit
7-3. Disassembly Procedure
7-3-1. Remove the air intake grill.
7-3-2. Disconnect the connectors in the control box.
7-3-3. Remove the ceiling panel.
7-3-4. Remove the indoor air temperature sensor.
7-3-5. Remove the power box and control box.
Page
7-3-6. Remove the main body lower section.
7-3-7. Remove the heat exchanger sensor.
7-3-8. Remove the drain pump and float switch.
7-3-9. Remove the turbo fan and fan motor.
7-3-10. Remove the heat exchanger.
Emergency operation SENSOR DRY
AUTO cooling/heating operation
PAM- control
8. FUNCTIONS
8-1. Operation Functions
HIGH POWER NIGHT SETBACK
Lamp colors
Timer backup
Overload prevention during heating
Cold-air prevention during heating
8-2. Protective Functions
CT (Peak current cut-off control)
Reverse-Cycle Defrosting
Heating operation Frost sensing
Releasing of defrosting
Reverse-cycle defrosting operation
9. TROUBLESHOOTING (BEFORE CALLING FOR SERVICE)
9-1. Precautions before Performing Inspection or Repair
NOTE
9-2. Method of Self-Diagnostics
Follow the procedure below to perform detailed trouble diagnostics.
(1) Self-diagnostics Lamps
INDOOR UNIT
9-3. Checking the Indoor and Outdoor Units
(3) Serial Communication Error Identification Procedure
Refer to "Method of Self-Diagnostics" for the self-diagnostics procedure.
CAUTION
< Before the Operation >
(3-1) Condition: E01
Page
(3-2) Condition: E12
9-4. Trouble Diagnosis of Fan Motor
9-4-1. Indoor Fan Motor
9-4-2. Outdoor Fan Motor
9-5. Noise Malfunction and Electromagnetic Interference
(1) Noise malfunction
(2) Electromagnetic interference
10. CHECKING ELECTRICAL COMPONENTS
10-1. Measurement of Insulation Resistance
10-1-1. Power Supply Cord
10-1-2. Indoor Unit
10-1-3. Outdoor Unit
Page
11. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT
11-1. Characteristics of New Refrigerant R410A
11-1-1. What is New Refrigerant R410A?
11-1-2. Components (mixing proportions)
11-1-3. Characteristics
11-2. Checklist before Servicing
11-3. Tools Specifically for R410A
11-4. Tubing Installation Procedures
11-5. In Case of Compressor Malfunction
11-5-1. Procedure for Replacing Compressor
NO!
11-6. In Case Refrigerant is Leaking
11-7. Charging Additional Refrigerant
11-8. Retro-Fitting Existing Systems
Page
Page
Split System Air Conditioner
Operating Instructions
2
FEATURES
CONTENTS
PRODUCT INFORMATION
SAFETY PRECAUTIONS
3
INSTALLATION LOCATION
NOTICE
Avoid:
ELECTRICAL REQUIREMENTS
SAFETY INSTRUCTIONS
NAMES OF PARTS
REMOTE CONTROL receiver
UNIT DISPLAY AND OPERATION BUTTON
Air Intake
Air Outlet
REMOTE CONTROLLER (DISPLAY)
Page
7
(A UT O)
(HEA T) (DR Y) (COOL) (F AN)
8
USING THE REMOTE CONTROLLER
Hole
ACL button
HOW TO INSTALL BATTERIES
1.
OPERATION WITH THE REMOTE CONTROLLER
1. Automatic Operation
When the remote controllers S/M switch is at the S (Single) position
When the remote controllers S/M switch is at the M (Multiple) position
2. Manual Operation
3. Adjusting the Fan Speed
A. Automatic fan speed
B. Manual fan speed
4. Fan Only
5. Night Setback Mode
SPECIAL REMARKS
How it works?
Remote Controller
Clicking Sound
Power failure during operation
2. How to set the OFF time
3. How to set the ON time
4. How to set daily ON/OFF repeat timer
1.
2.
USING THE 1-HOUR OFF TIMER
1. 1-Hour OFF Timer
2. Operation together with the daily ON/OFF repeat timer
TIPS FOR ENERGY SAVING
Avoid
OPERATION WITHOUT THE
When the air conditioner is not running
CARE AND CLEANING
Ceiling panel (Indoor Unit)
Cleaning the flaps
Page
16
TROUBLESHOOTING (BEFORE CALLING FOR SERVICE)
OPERATING RANGE
The air conditioner is operable within the temperature ranges as listed below:
WIRED REMOTE CONTROLLER
Temperature Indoor air temperature
SPECIFICATIONS
For Single use
SPECIFICATIONS (CONTINUED)
For Multiple use
Page
Page
This air conditioner uses the refrigerant R410A. External diameter of service port R410A: 5/16"
Split System Air Conditioner
INSTALLATION INSTRUCTIONS
Contents
IMPORTANT! Please Read Before Starting
If Necessary, Get Help
In Case of Improper Installation
SPECIAL PRECAUTIONS
When Wiring
When Servicing
Others
NOTE
1. General
2. Installation Site Selection
NO
3. How to Install the Indoor Unit
Page
Indoor unit
NO
Page
Page
Page
*
Page
4. How to Install the Outdoor Unit
5. Refrigerant Tubing
Page
6. Air Purging
Page
Page
Page
7. Remote Controller Installation Position
8. Address Switch
Page
Page
2
FEATURES
CONTENTS
PRODUCT INFORMATION
SAFETY PRECAUTIONS
3
INSTALLATION LOCATION
NOTICE
Avoid:
ELECTRICAL REQUIREMENTS
SAFETY INSTRUCTIONS
Page
5
(A UT O)
(HEA T) (DR Y) (COOL) (F AN)
REMOTE CONTROLLER (DISPLAY)
OPERATION WITH THE REMOTE CONTROLLER
1. Automatic Operation (only for COOL/DRY/HEAT Model)
2. Manual Operation
STEP 3
STEP 4 STEP 5
SPECIAL REMARKS
STEP 3
Power failure during operation
9
SETTING THE TIMER
ON TIME
1. How to set the present time
2. How to set the OFF time
3. How to set the ON time
USING THE 1-HOUR OFF TIMER
1. 1-Hour OFF Timer
2. Operation together with the daily ON/OFF repeat timer
ADJUSTING THE AIRFLOW DIRECTION
Page
Page
Parts supplied with the remote controller
Remote controller installation guidelines
How to install the remote controller
Wired Remote Controller
INSTALLATION INSTRUCTIONS
Page
How to wire the remote controller
How to Test Run the Air Conditioner