Panasonic S-12MT2U6 - Section 2: DESIGN of 3 WAY VRF SYSTEM

Design of 3WAY VRF SYSTEM
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Contents
Design of 3WAY VRF SYSTEM
Contents
2. DESIGN OF 3WAY VRF SYSTEM
1. Model Selection and Capacity Calculator..........................................................................
2-3
2-3
1-1.Operating Range ...........................................................................................................
2-41-2. Procedure for Selecting Models and Calculating Capacity............................................
2-51-3.Tubing Length................................................................................................................
2-81-4.Tubing Size ....................................................................................................................
2-91-5. Straight Equivalent Length of Joints................................................................................
2-91-6. Additional Refrigerant Charge........................................................................................
2-101-7. System Limitations........................................................................................................
2-11.8-1 Installation Standards...................................................................................................
2-396. HOW TO PROCESS TUBING .............................................................................................
2-406-2. Connecting Tubing Between Indoor and Outdoor Units ..............................................
2-396-1.Connecting the Refrigerant Tubing ..............................................................................
2-416-3.Insulating the Refrigerant Tubing .................................................................................
2-416-5.Finishing the Installation ................................................................................................
2-427. AIR PURGING ....................................................................................................................
2-42
Air Purging with a Vacuum Pump (for Test Run) Preparation..................................
...................................................................................................................2. System Design
2-172-1. System Example..........................................................................................................
2-20............................................................................................2-3.Installing Distribution Joint
2-182-2. Example of Tubing Size Selection and Refrigerant Charge Amount............................
2-21
2-17
3. ELECTRICAL WIRING.........................................................................................................
2-213-2.
Recommended Wire Length and Wire Diameter for Power Supply System
..................
2-213-1. General Precautions on Wiring ....................................................................................
2-345. HOW TO INSTALL THE OUTDOOR UNIT..........................................................................
2-345-1. Transporting..................................................................................................................
2-243-4. Connecting Multiple Indoor Units to a Single Solenoid Valve Kit..................................
2-223-3.Wiring System Diagram................................................................................................
2-284. SELECTING THE INSTALLATION SITE.............................................................................
4-6. Dimensions of Snow Ducting........................................................................................
2-294-2. Shield for Horizontal Exhaust Discharge......................................................................
2-29........................................................4-3.Installing the Outdoor Unit in Heavy Snow Areas
2-294-4. Precautions When Installing in Heavy Snow Areas .....................................................
4-5.Dimensions of Wind Ducting.........................................................................................2-30
2-32
2-345-2.Installing the Outdoor Unit ...........................................................................................
2-355-3.Routing the Tubing .......................................................................................................
2-365-4. Prepare the Tubing........................................................................................................
2-365-5. Connect the Tubing......................................................................................................
*
Refer to the 3WAY VRF SYSTEM TECHNICAL DATA (TD831158)
2-284-1. Outdoor Unit ...............................................................................................................
Indoor Unit
2-416-4. Taping the Tubes .........................................................................................................
2-121-10. Calculation of Actual Capacity of Indoor Unit..............................................................
2-11.9-1 Check of Limit Density..................................................................................................
TD831183-00_北米向け3WAY.indb 1 15/12/17 16:05:05