Panasonic U-120MF2U9 manuals
U-120MF2U9
Table of contents
- installation instructions
- IMPORTANT
- Check of Density Limit
- Precautions for Installation Using New Refrigerant
- New refrigerant R410A cannot be used for earlier models
- Table Of Contents
- GENERAL
- 1-5. Tubing Length
- 1-6. Tubing Size
- 1-7. Straight Equivalent Length of Joints
- 1-9. System Limitations
- 1-10. Installation Standards
- 1-12. Installing Distribution Joint
- 1-13. Optional Distribution Joint Kits
- 1-14. Optional Solenoid Valve Kit
- 1-15. Example of Tubing Size Selection and
- Refrigerant Charge Amount
- SELECTING THE INSTALLATION SITE
- 2-2. Shield for Horizontal Exhaust Discharge
- 2-5. Dimensions of Wind Ducting
- 2-6. Dimensions of Snow Ducting
- HOW TO INSTALL THE OUTDOOR UNIT
- 3-3. Routing the Tubing
- 3-4. Prepare the Tubing
- ELECTRICAL WIRING
- 4-2. Recommended Wire Length and Wire
- HOW TO PROCESS TUBING
- 5-2. Connecting Tubing Between Indoor and
- Outdoor Units
- AIR PURGING
- TEST RUN
- test run procedure
- auto address setting
U-120MF2U9
Table of contents
U-120MF2U9
Table of contents
- check of density limit
- precautions for installation using new refrigerant
- Table Of Contents
- Table Of Contents
- Section 1: CONTROL FUNCTIONS
- Introduction
- Selecting Outdoor Unit for Operation
- Compressor Control
- Output of PCB
- Outdoor Fan Control
- Outdoor Unit CCU (command controller unit) Control
- Tube Refrigerant Recovery Control
- Oil Control
- Defrost Control
- Discharge Tube Accumulated Refrigerant Recovery Control
- Upper Current Limitation Mode (Demand control)
- Backup Operation
- Other Functions
- Detailed Settings in EEPROM of Outdoor Unit
- Outdoor Unit Control PCB
- control functions
- Section 2: OUTDOOR UNIT REPAIR PROCEDURES
- Removing Panels
- Discharging Compressor Oil
- Recovering Refrigerant
- Checking for Leakage After Repair
- Evacuating System
- Charging Compressor Oil
- Compressor
- Replacing Peripheral Parts of Fusible Plug
- High and Low Pressure Sensors
- Section 3: OUTDOOR UNIT MAINTENANCE REMOTE CONTROLLER
- Overview
- Functions
- Ordinary Display Controls and Functions
- Monitoring Operations
- Outdoor Unit Alarm History Monitor
- Mode Settings
- Section 4: REMOTE CONTROLLER FUNCTIONS
- Simple Settings Function
- Detailed Settings Function
- indoor fan performance
- Remote Controller Servicing Functions
- Section 5: TROUBLE DIAGNOSIS
- Contents of Remote Controller Switch Alarm Display
- Outdoor Unit Control Panel LED Display
- WAY Alarm Codes
- Blinking Inspection Display on the Remote Controller
- Inspection and Characteristics of Parts
- Test Pin
- Symptom: Thermostat in OFF continues or cycles OFF & ON too frequently
- Section 6: TEST RUN
- Preparing for Test Run
- Test Run Procedure
- Main Outdoor Unit PCB Setting
- Function Switches on P. C. Board
- Auto Address Setting
- Setting Test Run Remote Controller
- Caution for Pump Down
U-120MF2U9
Table of contents
- special precautions
- check of density limit
- precautions for installation using new refrigerant
- indoor units
- Outdoor Unit
- combination of outdoor units
- model selecting and capacity calculator
- tubing length
- system design
- wiring system diagram
- selecting the installation site
- how to process tubing
- optional parts
- Wireless Remote Controller
- Section 6: ELECTRICAL DATA
- specifications
- noise criterion curves
- Capacity Ratio of Outdoor Unit
- capacity table
- Cooling Capacity of Indoor Unit
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