Panasonic 26PEK2U6 26PEK2U6 Service Manual - Page 6

Contents Section 1: SPECIFICATIONS...1-1 1-1. Unit Specifications 1-2 1-2. Major Component Specifications 1-29 1-3. Other Component Specifications 1-53 1-4. Dimensional Data 1-56 1-5. Refrigerant Flow Diagram 1-70 1-6. Operating Range 1-71 1-7. Capacity Correction Graph According to Temperature Condition 1-72 1-8. Noise Criterion Curves 1-73 1-9. Increasing the Fan Speed 1-82 1-10. External Static Pressure Setting 1-83 1-11. Air Throw Distance Chart 1-89 1-12. ELECTRICAL WIRING 1-97 1-13. Installation Instructions 1-100 Section 2: PROCESSES AND FUNCTIONS 2-1 2-1. Room Temperature Control 2-2 2-2. Cold Draft Prevention (Heating Cycle 2-4 2-3. Automatic Fan Speed (Indoor Unit 2-5 2-4. Control Functions 2-6 2-5. Outdoor Unit Control PCB 2-9 2-6. Outdoor Unit Control PCB (CR-CH4272R 2-10 Section 3: ELECTRICAL DATA 3-1 3-1. Indoor Units...3-2 3-2. Outdoor Units...3-14 Section 4: SERVICE PROCEDURES 4-1 4-1. Meaning of Alarm Messages 4-2 4-2. Symptoms and Parts to Inspect 4-5 4-3. Details of Alarm Messages 4-8 4-4. Table of Thermistor Characteristics 4-16 Section 5: OUTDOOR UNIT MAINTENANCE REMOTE CONTROL 5-1 In the case of CZ-RTC2 5-1. Overview...5-2 5-2. Functions...5-2 5-3. Normal Display Operations and Functions 5-3 5-4. Monitoring Operations: Display of Indoor Unit and Outdoor Unit Sensor Temperatures...5-6 5-5. Monitoring the Outdoor Unit Alarm History: Display of Outdoor Unit Alarm History...5-7 5-6. Setting Modes: Setting the Outdoor Unit EEPROM 5-7 In the case of CZ-RTC4 5-7. Overview...5-11 5-8. Functions...5-12 5-9. Normal Display Operations and Functions 5-13 5-10. Monitoring Operations: Display of Indoor Unit and Outdoor Unit Sensor Temperatures...5-18 5-11. Monitoring the Outdoor Unit Alarm History: Display of Outdoor Unit Alarm History...5-20 5-12. Setting Modes: Setting the Outdoor Unit EEPROM 5-21 v