Contents
Optional Controllers
Sanyo Commercial Solutions
R410A Models Indoor Units
Outdoor Units
…In an Area with High Winds
For safe installation and trouble-free operation, you must
…In a Room
…In Moist or Uneven Locations
Countermeasures
Amount 353 oz Amount 529 oz
Manifold gauge Vacuum pump
Care regarding tubing
Be sure to recharge the refrigerant only in liquid form
Different tools required
Refrigerating machine oil differs R22
Compressor specifications are different
Single-outlet valve
Existing tubing cannot be used especially R22
Contents
Test RUN 8-1. Preparing for Test Run
Electrical Wiring 5-1. General Precautions on Wiring
HOW to Process Tubing
AIR Purging
Type of Copper Tube and Insulation Material
Tools Required for Installation not supplied
Accessories Supplied
Outdoor Unit Part name
Concealed Duct
For sealing recessed portion of power supply
4-Way Air Discharge Semi-Concealed X-Type
1-Way Air Discharge Semi-Concealed
4-Way Air Discharge Semi-Concealed XM Type
Concealed Duct High-Static Pressure
Ceiling-Mounted
Wall-Mounted
H3 C
Tubing Length
BTU/h 95.500 153.600
Tubing Size 10 Main Tubing Size LA
11 Main Tubing Size After Distribution LB, LC
12 Outdoor Unit Tubing Connection Size a D
15 Refrigerant tubing Existing tubing can be used
17 Refrigerant Charge Amount at Shipment for outdoor unit
System Limitations 18 System Limitations
Common solenoid valve kit
Header joint system
Tube branching methods horizontal use
Header joint system Indoor
Size Part B Part C Part D Part E Part F Part G Part H Inch
Tubing size with thermal insulation
Model name Cooling capacity after distribution Remarks
Suction Tube
Discharge Tube Liquid Tube
21 Dimensions for connections of each part
Optional Solenoid Valve Kit
Precautions on Installation of Solenoid Valve Kit
Types and specifications
Specifications
Unit
Relay kit Front
Installation of Solenoid Valve Kit
Main tubing Distribution joint tubing
R410A additional charging absolutely must
Be done through liquid charging
Example Use the same tools for R22 and for R410A
Remark
Main tubing
Front view
Ceiling-MountedType
Wall-Mounted Type
Indoor Unit
Outdoor Unit
Without snow- proof ducting Without platform
Precautions When Installing in Heavy Snow Areas
Air direction Front direction
Unit installation
Ceiling panel
Unit Ceiling panel
Air direction
Placing the Unit Inside the Ceiling
Suspending the Indoor Unit
Installing the Drain Piping
Start when you short the pin
Be careful since the fan will
On the indoor control board
Removing the corner cover
Installing the Ceiling Panel
Attaching the air-intake grille
Wiring the Ceiling Panel
Special Remarks DC Fan Tap Change Procedure
Checking After Installation
When Removing the Ceiling Panel for Servicing
Adjusting the Auto Flap
Placing the Unit Inside the Ceiling
Suspending the Indoor Unit
From the drain pipe outlet
Installing the Drain Piping
Do not install an air bleeder as
This may cause water to spray
Checking the unit position
How to Install the Ceiling Panel Main unit
Before Installing the Ceiling Panel
Checking the Drainage
Wiring the Ceiling Panel
Installing the Ceiling Panel
Adjusting the Auto Flap
How to Attach the Corner & Air-Intake Grille
Checking After Installation
When Removing the Ceiling Panel for Servicing
23-5/8
22-3/64
Be sure to use a level gauge
Confirm that the unit is
Level. If it is not level, water
Leakage may occur
Installing the Drain Piping
3WAYECO-iUS.indd 2008/02/07
Ss12 or 5/32 ss15/32 For fastening
Electrical Power Wiring Wiring connections
Wiring
M5 ss40
Removing the side panel
Removing the intake grille
Air leakage
If a wireless remote controller is used
Installing the side panel and intake grille
Installing the intake grille
Others Check after installation
Refrigerant tubing
Inspection access
27/32 Indoor unit
Air outlet duct flange
Ceiling. Ensure that the ceiling is strong
Enough to support the weight of the unit
It is important that you use extreme care
Supporting the indoor unit inside
Section directly after the connection port can be raised a
Maximum of 19-11/16. Do not raise it any higher than
19-11/16, as this could result in water leaks. Fig
Increasing the Fan Speed
How to read the diagram
Be careful since the fan will start when you
Short the pin on the indoor control board
17-23/32
23-5/8 for checking and servicing the electrical system
31/32
Min -31/32 Inspection plug
Indoor Fan Performance How to Read the Diagram
Refrigerant tubing drain hose position
Indoor unit from the ceil
Wall and ceiling side opening position
It is important that you use
Extreme care in supporting
Approx 63/64 Ceiling Surface Washer Nut
Fixture Double nut Field supply
Downward gradient Min /100
Duct for Fresh Air
Shaping the Tubing
Rear cover
Ing. Also, check any specified
How to carry out power supply wiring
Check local electrical codes
Regulations before wir
Installing the Rear Panel onto the Wall
Selecting and Making a Hole
If the Wall is Wooden
Attaching the grille
Removing the Grille to Install the Indoor Unit
If the Wall is Brick, Concrete or Similar
Removing the grille
Left or left-rear tubing
Installing the Drain Hose
Do not supply power to the unit or operate
Shaping the Tubing Right-rear tubing
KHX2452
KHX0752 / 0952 / 1252
Installing the Outdoor Unit
Positions where anchor bolts are fastened
Transporting
Routing the Tubing
Remove the Brackets Used for Transport
Tubing size mm Outer dia Thickness
Prepare the Tubing
Connect the Tubing
Refrigerant tube port
Work method
Tightening torque for each cap
Use shielded wiring
General Precautions on Wiring
Outdoor unit Time delay fuse or Circuit capacity
Inter-outdoor unit control wiring
For K, A, X, T, U and D Types
Wiring System Diagram
Power
Wiring Controller
XM Type
For XM Type
Outdoor unit Indoor unit
How to connect wiring to the terminal For stranded wiring
Type
Important Note When Wiring for Common Type
Type
XM Type
Important Note When Wiring for XM Type
Deburring
Connecting the Refrigerant Tubing
Flaring Procedure with a Flare Tool
Use of the Flaring Method
Approximate
Tube diameter Tightening torque
Two tubes arranged together
Three tubes arranged together
Four tubes arranged together
Taping the Tubes
Finishing the Installation
Air Purging with a Vacuum Pump for Test Run Preparation
Leak test
Manifold gauge Vacuum pump
45 min. or more 90 min. or more
Evacuation
Charging additional refrigerant
Use a cylinder designed for use with R410A
Finishing the job
Test RUN
Test Run Procedure
Items to Check Before the Test Run
Unit with the unit
Address setting of main outdoor unit S007 Unit No. setting
Indoor unit setting S004 Rotary switch, red
Main Outdoor Unit PCB Setting
Outdoor main/sub
Auto Address Setting Basic wiring diagram Example
Automatic Address Setting from the Outdoor Unit
No main unit Settings
22-9
Automatic Address Setting no compressor operation
Automatic Address Setting from Outdoor Unit
3 OFF
Automatic Address Setting in Heating Mode
Automatic Address Setting* from the Remote Controller
Automatic Address Setting in Cooling Mode
Display during automatic address setting
LED 2
Blink alternately
If 1 indoor unit is connected to 1 remote controller
Remote Controller Test Run Settings
Checking the indoor unit addresses
LED
Possible cause of malfunction
Message
Alarm messages displayed on system controller
Way Air Discharge Semi-Concealed Type X, XM Types
Should the power fail while the unit is running
Tips for Energy Saving
Soot
Way air discharge semi-concealed type a
Type 1-WAY
100
Troubleshooting
101
Concealed Duct High-Static Pressure Type U, D Types
Type standard static pressure
Type high static pressure
102
On the wired remote control unit
103
CEILING-MOUNTED
104
Or soot
105
106
Tips for Energy Saving