This air conditioner uses the new refrigerant R410A.
Refrigerant service valve size = 5/16"
NOTE
– Inverter Multi Split System Air Conditioner –
COOL/DRY/ HEAT Model
Contents
Page
IMPORTANT!
Please Read Before Starting .................................. 2
1. GENERAL .......................................................... 3
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 ................... 4
2-1. Indoor Unit
2-2. Connecting Indoor Units
2-3. Outdoor Unit
2-4. Outer Dimensions of Outdoor Unit
2-5. Diagram of Outdoor Unit Installation
3. INSTALLATION PROCESS .............................. 13
3-1. Embedding the Tubing and Wiring
3-2. Use of the Flaring Method
3-3. Flaring Procedure with a Flare Tool
3-4. Caution before Connecting Tubes Tightly
3-5. Tubing Connections
3-6. Insulation of Refrigerant Tubing
3-7. Taping the Tubes
3-8. Finishing the Installation
4. AIR PURGING................................................... 16
I Air Purging with a Vacuum Pump (for Test Run)
I Pump Down
5. WIRING INSTRUCTIONS ................................ 19
5-1. General Precautions on Wiring
5-2. Recommended Wire Length and Diameter
5-3. Wiring System Diagram
5-4. How to Connect Wiring to the Terminal
5-5. Wiring Instructions for the Outdoor Unit
6. TEST RUN ......................................................... 23
7. CONNECTING A HOME AUTOMATION
DEVICE ............................................................. 24
8. INSTALLATION CHECK SHEET ...................... 24
85264189993002 © SANYO 2007
SANYO Commercial Solutions In Canada
A Division of SANYO North America Corporation SANYO Canada Inc.
Cornerstone Business Park, 1-300 Applewood Crescent, Concord
1062 Thorndale Avenue, Ontario, L4K 5C7, Canada
Bensenville, IL 60106, U.S.A.
INSTALLATION INSTRUCTIONS
Model Combinations
Combine indoor and outdoor units only as listed
below.
Indoor Unit Outdoor Unit
KMHS0772 CMH1972
KMHS0972 CMH2472
KMHS1272 CMH3172
KMHS1872
KMHS2472
Combine indoor and outdoor units only as listed in
the combination tables for 3-room or 4-room
outdoor unit as shown in its respective manual.
Power Source:
60 Hz, single-phase, 230 / 208 VAC
Be sure to read the yellow instruction sheet
attached to the outdoor unit for models using the
new refrigerant R410A.
The illustrations are based on the typical appearance of
a standard model. Consequently, the shape may differ
from that of the air conditioner that you are installing.
NOTE
Indoor unit A
Indoor unit B
Indoor unit C
Indoor unit D
Outdoor unit
Combination example
For Outdoor Unit
07-155 CMH1972-3172 6/6/07 9:34 AM Page a
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