Service Manual

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
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. Embedding the Tubing and Wiring
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. Wiring Instructions for Inter-unit Connections
4. HOW TO TEST RUN THE AIR CONDITIONER ... 14
5. REMOTE CONTROLLER INSTALLATION
POSITION ......................................................... 15
5-1. Mounting on a Wall
6. ADDRESS SWITCH .......................................... 16
6-1. Address Setting of the Remote Controller
7. CONNECTING A HOME AUTOMATION
DEVICE.............................................................. 17
8. INSTALLATION CHECK SHEET ...................... 17
Model Combinations
Combine indoor and outdoor units only as listed
below.
Model No.
Indoor Unit Outdoor Unit
CS-MKS9NB4U CU-3KS19NBU
CS-MKS12NB4U CU-4KS24NBU
CS-KS18NB4UW CU-4KS31NBU
Power Source:
60 Hz, single-phase, 230 / 208 VAC
Ceiling Panel
CZ-18BT1U