Sanyo DHX4852 User Manual
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Section 1: OUTLINE OF W-2WAY ECO-i SYSTEM ................................................................1-1
1. Line-up .............................................................................................................1-2
2. Features of W-2WAY ECO-i SYSTEM .............................................................1-4
Section 2: DESIGN OF W-2WAY ECO-i SYSTEM ..................................................................2-1
1. Model Selecting and Capacity Calculator ........................................................2-2
2. System Design ...............................................................................................2-17
3. Electrical Wiring .............................................................................................2-23
4. Installation Instructions ..................................................................................2-27
Section 3: Control of W-2WAY ECO-i SYSTEM .....................................................................3-1
1. Main Operating Functions ................................................................................3-3
2. Wireless Remote Controller .............................................................................3-5
3. Timer Remote Controller................................................................................3-22
4. System Controller ..........................................................................................3-38
5. Simplified Remote Controller .........................................................................3-56
6. Remote Sensor ..............................................................................................3-64
Section 4: W-2WAY ECO-i SYSTEM UNIT SPECIFICATIONS ..............................................4-1
1. Outdoor Unit ....................................................................................................4-2
2. 4-Way Air Discharge Semi-concealed Type (X Type) .....................................4-12
3. 1-Way Air Discharge Semi-concealed Type (A Type) .....................................4-24
4. Concealed Duct Type (U Type) .......................................................................4-33
5. Concealed Duct High-Static Pressure Type (D Type) .....................................4-50
6. Ceiling-Mounted Type (T Type) ......................................................................4-57
7. Wall-Mounted Type (K Type) ..........................................................................4-66
Section 5: TEST RUN ..............................................................................................................5-1
1. Preparing for Test Run .....................................................................................5-2
2. Test Run Procedure .........................................................................................5-3
3. Main Outdoor Unit PCB Setting .......................................................................5-4
4. Auto Address Setting .......................................................................................5-6
5. Remote Controller Test Run Settings .............................................................5-12
6. Caution for Pump Down .................................................................................5-13
7. Meaning of Alarm Messages .........................................................................5-14
Section 6: ELECTRICAL DATA ...............................................................................................6-1
1. Outdoor Unit ....................................................................................................6-2
2. Indoor Unit .......................................................................................................6-6
Section 7: PCB AND FUNCTIONS .........................................................................................7-1
1. Outdoor Unit Control PCB ...............................................................................7-2
2. Indoor Unit Control PCB Switches and Functions ...........................................7-6
Contents
TD831138-02_W-2WAY.indb 4
2007/07/26 14:30:22