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This air conditioner uses the refrigerant R410A.
External diameter of service port R410A: 5/16"
Split System Air Conditioner
85264190577002 2011
INSTALLATION INSTRUCTIONS
NOTE
CV6233187839
Contents
Page
IMPORTANT!
Please Read Before Starting .................................. 2
1. GENERAL .......................................................... 4
1-1. Tools Required for Installation (not supplied)
1-2. Accessories Supplied with Unit
1-3. Optional Copper Tubing Kit
1-4. Type of Copper Tube and Insulation Material
1-5. Additional Materials Required for Installation
2. INSTALLATION SITE SELECTION ................... 5
2-1. Indoor Unit
2-2. Outdoor Unit
3. HOW TO INSTALL THE INDOOR UNIT ............. 7
3-1. Preparation for Suspending
3-2. Suspending the Indoor Unit
3-3. Placing the Unit Inside the Ceiling
3-4. Installing the Drain Piping
3-5. Checking the Drainage
3-6. How to Install the Ceiling Panel
3-7. Wiring Instructions
3-8. Recommended Wire Length and Diameter
3-9. Wiring Instructions for Inter-unit Connections
4. HOW TO INSTALL THE OUTDOOR UNIT ....... 15
4-1. Wiring Instructions for the Outdoor Unit
5. REFRIGERANT TUBING.................................. 16
5-1. Use of the Flaring Method
5-2. Flaring Procedure with a Flare Tool
5-3. Caution before Connecting Tubes Tightly
5-4. Connecting Tubing between Indoor and
Outdoor Units
5-5. Insulation of Refrigerant Tubing
5-6. Taping the Tubes
5-7. Finishing the Installation
6. AIR PURGING................................................... 18
Air Purging with a Vacuum Pump (for Test Run)
Basic Functions of the Service Valves
Pump Down
Service Valve Connections
7. REMOTE CONTROLLER INSTALLATION
POSITION ......................................................... 22
7-1. Mounting on a Wall
8. ADDRESS SWITCH.......................................... 23
8-1. Address Setting of the Remote Controller
Model Combinations
Combine indoor and outdoor units only as listed
below.
Model No.
Indoor Unit Outdoor Unit
CS-KE12NB41 CU-KE12NK1
Power Source:
60 Hz, single-phase, 115 V
CS-KE18NB4UW CU-KE18NKU
Power Source:
60 Hz, single-phase, 230/208 V
Ceiling Panel
CZ-18BT1U