Panasonic CU-KS12NK1A, CU-KS18NKUA Contents, Model Combinations, How To Install The Indoor Unit

INSTALLATION INSTRUCTIONS Split System Air Conditioner

This air conditioner uses the refrigerant R410A.

NOTE External diameter of service port R410A: 5/16"

Model Combinations

Combine indoor and outdoor units only as listed below.

Model No.
Indoor Unit	Outdoor Unit
CS-KS12NB41	CU-KS12NK1A
Power Source:
60 Hz, single-phase, 115 V
CS-KS18NB4UW	CU-KS18NKU
	CU-KS18NKUA
Power Source:
60 Hz, single-phase, 230/208 V
Ceiling Panel
CZ-18BT1U

85264190574001 2011

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
	2-3. Baffle Plate for the Outdoor Unit
3. HOW TO INSTALL THE INDOOR UNIT			12
	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			20
	4-1. Wiring Instructions for the Outdoor Unit
5.	REFRIGERANT TUBING		21
	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		23

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		27
7-1.	Mounting on a Wall
8. ADDRESS SWITCH		28
8-1.	Address Setting of the Remote Controller

CV6233187785