Contents
Indoor Model No Product Code No
CS-KE30NKU + CU-KE30NKU CS-KE36NKU + CU-KE36NKU
Outdoor Model No Product Code No
852 360
Safety Precautions
Prohibit
Table of Contents
Checking Electrical Components
Operating Range
Temperature Indoor Air Intake Temp Outdoor Air Intake Temp
Unit Specifications
Specifications
Indoor Unit
Outdoor Unit
208V
CS-KE36NKU
21.9 19.9
Major Component Specifications
Indoor Unit
Indoor Unit CS-KE30NKU
CB-CS-KE36NKU
Indoor Unit CS-KE36NKU
Outdoor Unit CU-KE30NKU
Outdoor Unit
Board
Compressor
Outdoor Unit CU-KE36NKU
Other Component Specifications
Dimensional Data
Inchmm 194-00-1 Unit
Refrigerant Flow Diagram
Refrigerant Flow Diagram
Indoor Unit CS-KE30NKU Outdoor Unit CU-KE30NKU
Indoor unit Outdoor unit
Performance Data
Temperature Charts
High pressure performance chart
Indoor Unit CS-KE36NKU Outdoor Unit CU-KE36NKU
Discharge 9535 8630 Indoor
Cooling Capacity
Power Supply 230V Single Phase 60Hz Cooling Capacity
CS-KE30NKU
CU-KE30NKU
34,000 BTU/h
Outdoor
Cooling Capacity Low Ambient
30,900 30,870 30,800 30,710 30,590 30,400 30,210
Power Supply 230V Single Phase 60Hz Heating Capacity
Heating Capacity
TH Total Heating Capacity BTU/h
36,000 BTU/h
Air Throw Distance Charts
Cooling
Electrical Data
Electrical Characteristics
Voltage230V Cooling
Heating
650
8FA2-5251-12400-1
Electric Wiring Diagrams
Controller
8FA2-5251-15200-0
Operation Functions
Functions
Emergency operation
Auto cooling/heating operation
Lamp colors
Timer backup
Switching Procedure to Noise Reducing Control
Noise Reducing Control Outdoor Unit
Operation Sound
Maximum Current Value Change Function
Maximum Current Value Change Procedure
Description of function
CU-KE36NKU
Protective Functions
Compressor discharge temperature control
Overload prevention during heating
Freeze prevention
Defrost detection and release
CT Peak current cut-off control
Reverse-Cycle Defrosting
Troubleshooting Before Calling for Service
Precautions before Performing Inspection or Repair
Method of Self-Diagnostics
Diagnosis Contents
Self-diagnostics Lamps
Normal
Replace the controller
Replace the circuit board or the fuse
Using the TEST/T-RUN terminals
Checking the Indoor and Outdoor Units
Checking the indoor unit Control Check items unit operation
Alarm Code E05
Serial Communication Error Identification Procedure
Off Blinking Illuminated
Before the Operation
From the previous page a
Alarm Code E07/P04/P05/P20/P27
Indoor Fan Motor
Trouble Diagnosis of Fan Motor
Pin 3 Gnd blue
Outdoor Fan Motor
Pin 1 Vcc brown
Pin 2 PG white
Noise malfunction
Noise Malfunction and Electromagnetic Interference
Electromagnetic interference
Locations most susceptible to noise Trouble Correction
Checking Electrical Components
Power Supply Cord
Measurement of Insulation Resistance
Measurement of Insulation Resistance for Electrical Parts
Checking Continuity of Fuse on PCB Assy
Characteristics of New Refrigerant R410A
Refrigerant R410A Special Precautions When Servicing Unit
What is New Refrigerant R410A?
Characteristics
Checklist before Servicing
Tools Specifically for R410A
Tubing Installation Procedures
Case of Compressor Malfunction
Procedure for Replacing Compressor
Amount in the charging cylinder is less than 20%
Configuration and characteristics of cylinders
Example
To prevent the composition
Case Refrigerant is Leaking
Welding leaking points
Recharging
Charging Additional Refrigerant
When Tubes are Extended
Retro-Fitting Existing Systems
Use of Existing Units
Appendix a Operating Instructions
CS-KE36NKU
CS-KE30NKU
Contents
Features
Safety Precautions
Product Information
Safety Instructions
Installation Location
Electrical Requirements
Avoid
Unit Display and Operation Button
Names of Parts
Symbols
Remote Controller Display
Remote Controller
Temperature setting buttons Temp
HR. Timer button 1-HOUR OFF Timer
Mode selector button
High Power button
ACL button
Using the Remote Controller
32 x 13/16
20 mm
Automatic Operation
Operation with the Remote Controller
Heating Mode
Cooling and DRY Mode
Automatic fan speed
Manual fan speed
Unoccupied Indication Status
High Power Mode
Special Remarks
Operation Indication
Setting the Timer
Using the 1-HOUR OFF Timer
Tips for Energy Saving
1030 pm 710 am 1100 am Present time
When the air conditioner is not running
Adjusting the Airflow Direction
Cleaning the main unit and Remote Controller
How to replace the filter
Removing and remounting the front panel
Washing the front panel with water
Wired Remote Controller
Operating Range
Trouble Possible Cause Remedy
Model No Outdoor Unit Indoor Unit
Specifications
Page
852-6-4190-587-00-0
Contents
Installation Instructions Split System Air Conditioner
Please Read Before Starting
Accidentally
Fins of the outdoor unit. You may get injured
Accessories Supplied with Unit Table
Tools Required for Installation not supplied
General
Optional Copper Tubing Kit
Additional Materials Required for Installation
Installation Site Selection
Solid base must not cover the hole of the bottom plate
Precautions for Installation in a Snowy Area
Countermeasures against snow and wind
$/,8,3?,4508-25= $/,04.3?-8,,D,4+89
Unit inch
Required space around the outdoor unit
4922054=0/041,9-*04.52,9
$/,-8544+5/90+,9398,30456,4
27-5/8 11-5/8 Air Intake 25/32 13/32 13-3/8 14-31/32
#04.2,4004922054 9*2,9545/90+,9
4522,8/4/,/,0./5-/,5+55840
Obstacles to the front and rear of unit
Installation in front-rear rows
#04.2,4004922054
9*2,9545/90+,9
Trical wiring or conduits are
How to Install the Indoor Unit
Remove the Rear Panel from the Unit
Make a Hole
If Wooden Wall
Install the Rear Panel on the Wall
If Block, Brick, Concrete or Similar Type Wall
Hole Dia
Removing and Installing the Grille
How to remove the grille
How to replace the grille
Shape the Indoor Side Tubing
Wiring Instructions General precautions on wiring
Wire Size and Length
Wiring Instructions for Inter-unit Connections
How to connect wiring to the terminal For Indoor Unit
For Outdoor Unit For solid core wiring or F-cable
For stranded wiring
Right-side tubing
Mounting
Switching drain hose and drain cap
Left-side tubing
Drain cap
Tubing and wiring to the out
Do not supply power to
To unmount indoor unit
Frame Fastening Method
Wiring Instructions for the Outdoor Unit
How to Install the Outdoor Unit
Routing the Tubing and Wiring
Cover B
To 0.5 mm Adjust so that the amount of tube
Flaring Procedure with a Flare Tool
Refrigerant Tubing
Use of the Flaring Method
Finishing the Installation
Connecting Tubing between Indoor and Outdoor Units
Insulation of Refrigerant Tubing
Taping the Tubes
Air Purging
Be sure to completely insert
Hex wrench before
Attempting to turn the valve
How to Test Run the Air Conditioner
Pump Down
Basic Functions of the Service Valves
Remote Controller Installation Position
Service Valve Connections
Address Setting of the Remote Controller
Address Switch
DC1111-0