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Air Conditioner
Sanyo
CHDX07263, CHDX09663, CHDXR07263, CHDXR09663
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142 pages, 2.54 Mb
– MEMO –
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Contents
Main
2-WAY ECO-i MULTI SYSTEM
Outdoor Units
85464849280000
Refrigerant R410A is used in the outdoor units. * Salt-Air Damage Resistant Specifications.
CHDX07263 CHDX09663
Please Read Before Starting
In Case of Improper Installation When Wiring
i
When Installing
When Servicing
Check of Density Limit
ii
CONTENTS
Section 1: CONTROL FUNCTIONS .......................................... 1-1
Section 2: OUTDOOR UNIT REPAIR PROCEDURES ........................... 2-1
Section 5: TROUBLE DIAGNOSIS .......................................... 5-1
1. CONTROL FUNCTIONS
1. Introduction
2. Selecting an Outdoor Unit for Operation
2-1. Outdoor Unit Operating Rules
2-2. Delayed Start of Outdoor Units
2-3. Outdoor Unit Stop Rules
3-1. Compressors Mounted in the Outdoor Units
[CHDX07263, CHDX09663]
3-2. Compressor Selection Rules
3-3. Compressor Capacity Control
3-4. Inverter Compressor Capacity Control
3-5. Forced Compressor Stop 3-6. Roadmap Control
Page
Page
-
4-1. 4-way Valve Adjustment Control
4-2. System Refrigerant Oil Recovery Control
4-3. Defrost Control
1 - 11
Page
Page
5. Other Controls
5-1. Oil Control
6. Operation of Solenoid Valves
6-1. Refrigerant Control Valve [RCV]
6-2. Refrigerant Balance Valve [RBV] Gas Purge Valve
6. Operation of Solenoid Valves
6-3. Recovery Valve (ORVR)
6-4. Bypass Valve (BPV)
7-1. Types of Electronic Thermostatic Expansion Valves
7-2. Power Initialization
7. Outdoor Unit Electronic Thermostatic Expansion Valves [MOV1, MOV2 & MOV4]
7-4. SC Circuit Electronic Control Valve [MOV4]
8. Outdoor Fan Control
8-1. Fan mode
8-3. Fixed Initial Fan Mode
8-4. Operation after Fixed Initial Fan Mode
8-2. Outdoor Fan Min. Fan Mode and Max. Fan Mode
9. Demand Control
10. Indoor Unit Control of the Electronic Control Valve
10-1. Normal Control
(1) Cooling operation
(2) Heating operation
(B) Type D
10. Indoor Unit Control of the Electronic Control Valve
10-2. Special Control
1 - 22
11. Rap Valve Kit Control
CoolingHeating
1 - 23
12. Indoor Unit Refrigerant Oil Self Recovery Control
13. Discharge Temperature
<Alarm Information>
14. Current Protection
Control Functions
15. Pressure Sensor Failure
16. Backup Operation
<Field Application Functions> Backup Operation
16-1. Automatic Backup Operation
16-2. Manual Backup
Page
17. Service Maintenance Functions
17-2. Anti-slime countermeasures ... EEPROM setting 0C (set only on the main unit)
17-3. Delayed Start for Each System: Outdoor EEPROM 3E (set only on outdoor unit No. 1)
17-4. Automatic Backup: Outdoor EEPROM 48 (set only on outdoor unit No. 1)
17-1. Outdoor Unit Noise Countermeasure: EEPROM 05 (set at each outdoor unit)
17. Service Maintenance Functions
17-6. High Static Pressure Mode: Outdoor EEPROM 8F (set at each outdoor unit)
17-8. Demand Value Setting: Outdoor EEPROM 1A, 1B (set at outdoor units that include CCU functions)
18. Other Functions
18-1. Snowfall Sensor Functions: Outdoor EEPROM 04
18-2. Function for Automatic Judgment of Insufficient Refrigerant Gas and Overcharg e
Page
Page
2. OUTDOOR UNIT REPAIR PROCEDURES
1. Removing Panels
Procedures:
2. Removing Electrical Component Box and Duct
A
Page
3. Discharging Compressor Oil
3-1. Discharging Oil from Oil Separator
3-2. Discharging Oil in Compressor
3-3. Checking the Oil
4-1. Automatic Backup
4-2. Manual Backup
Page
Page
The following equipment and tools are required:
5-1. Refrigerant Recovery Procedures (from outdoor unit)
2 - 10
5-2. Refrigerant Recovery Procedures (Indoor Unit)
CAUTION
5-2-1. Cooling operation (for all units)
5-2-2. Refrigerant recovery procedures (1) (using indoor unit ball valve)
5-2-3. Refrigerant recovery procedures (2): Indoor unit with no ball valve equipped
5-3. Recovery of Refrigerant from Entire System
6. Checking for Leakage After Repair
6-1. Pressure Check for Leakage of Outdoor Unit
6-2. Checking for Leakage in Refrigerant Tubing Between Indoor and Outdoor Units
7. Evacuating System
7-1. Evacuating Repaired Outdoor Unit
7-2. Evacuating Refrigerant Tubing Between Indoor and Outdoor Units
8-1. If Refrigerant Has Already Been Charged to Outdoor Unit
Page
8-2. If Outdoor Unit Has Not Been Charged with Refrigerant
8-3. Charging Additional Compressor Oil (after replacing compressor)
9-1. If Remote Controller (RCS-TM80BG) is Used for Maintenance of Outdoor Unit
9-2. If Remote Controller is Not Available for maintenance of Outdoor Unit
Page
10-1. Compressor Trouble Diagnosis and Check Methods
10-2. Replacing the Compressor(s) 10-2-1. Replacing only the failed compressor
10-2-2. Replacing all compressors in a failed unit
10-2-3. Replacing all compressors in a system
10-2-4. Dry core cleaning
(A) If a ball valve is installed on the outdoor unit
(B) If a ball valve is not installed on the outdoor unit
10-3. Removing and Installing Compressors
10-3-1. Replacing compressors
(A) Replacing the inverter compressor (Compressor 1 on remote controller alarm display)
Installation
Removal
(B) Replacing the constant-speed compressor 1 (Compressor 2 on remote controller alarm display)
Installation
Page
Page
11. High and Low Pressure Sensors
11-1. Removing the High and Low Pressure Sensor
11-2. Installing the High and Low Pressure Sensors
12. Replacing 4-way Valve
12-1. When the replacement is available from the right side of the unit
12. Replacing 4-way Valve
12-2. When the replacement is not available from the right side of the unit
Page
3. OUTDOOR UNIT MAINTENANCE REMOTE CONTROLLER
1. Overview
OUTDOOR UNIT MAINTENANCE REMOTE CONTROLLER (RCS-TM80BG) for W-2WAY ECO-i
2. Functions
Page
LED
N
Display (functions) Use the temperature setting and buttons to change the item code.
<Sample displays>
Page
4. Monitoring Operations
4. Monitoring Operations
N
3 - 10
Display of unit No. 1 (main unit)
NOTE
5. Outdoor Unit Alarm History Monitor
6. Mode Settings
6. Mode Settings
Page
Page
1. Simple Settings Function
1. Simple Settings Function
List of Simple Setting Items
NOTE
Page
List of Detailed Setting Items
Page
Page
Page
Simple setting items
Filter sign ON times for each model
NOTE
Page
Page
Page
(Continued)
(Continued from previous page)
Page
Page
Page
4 - 18
5. TROUBLE DIAGNOSIS
1. Contents of Remote Controller Switch Alarm Display
Continued
5 - 2
5 - 3
1. Contents of Remote Controller Switch Alarm Display
2. Outdoor Unit Control Panel LED Display
( : ON : Blinking : OFF)
<Check procedure>
5 - 6
Sensor Temperature Relationship Table
Page
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S004 S005
CN001
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4. W-2WAY ECO-i Alarm Codes
Page
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HIC +HIC -
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Page
(+) ()
CAUTION
Blinking inspection display (1) (Automatic backup)
5. Blinking Inspection Display on the Remote Controller
Blinking inspection display (2) (compressor magnet SW seizing detection)
6. Inspection of Parts
7. Test Pin
8. Thermister Characteristics Curve
5 - 30
8-1. Room temp.sensor
Temperature (C)
Temperature (C) Temperature (C)
8. Thermister Characteristics Curve
Temperature (C)
8-4. Compressor discharge gas temp. sensor
Discharge gas temp. sensor
Temperature (C) Temperature (C)