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Design of VRF SYSTEMS
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Contents
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Contents
2. DESIGN OF VRF SYSTEMS
1. Electrical Wiring ....................................................................................................................
2. SELECTING THE INSTALLATION SITE .............................................................................
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1-1. General Precautions on Wiring ........................................................................................
1-2. Recommended Wire Length and Wire Diameter for Power Supply System ....................
1-3. Wiring System Diagrams ..................................................................................................
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2-1. 4-Way Cassette (Type U1) ............................................................................................
2-2. 4-Way Cassette 60×60 (Type Y2) .................................................................................
2-8. Slim Low Static Ducted (Type M1) ................................................................................
2-162-6. Wall Mounted (Type K1) ................................................................................................
2-4. Ceiling (Type T2) ...........................................................................................................
2-3. Low Silhouette Ducted (Type F2) ..................................................................................
3. How to install the indoor unit ...........................................................................................
3-1. 4-Way Cassette (Type U1) ............................................................................................
3-2. 4-Way Cassette 60×60 (Type Y2) .................................................................................
3-8. Slim Low Static Ducted (Type M1) ................................................................................
3-5. Wall Mounted (Type K2) ................................................................................................
3-4. Ceiling (Type T2) ...........................................................................................................
3-3. Low Silhouette Ducted (Type F2) ..................................................................................
4-1. Distribution Joint Kits (CZ-P160BK2, P680BK2, P1350BK2, P680PJ2, P1350PJ2,
P4HPC2, P4HP2C2, P4HP1C2).....................................................................................
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4-2. RAP Valve Kit (CZ-P160RVK2) .....................................................................................
4-6. Air Intake Kit for Unit (CZ-BCU2) ...................................................................................
4-7. Air Cut Insulation (CZ-CFU2) .........................................................................................
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2-1044-9. Solenoid Valve Controller (CZ-CAPE2) .......................................................................
4-5. Air Intake Kit for Chamber (CZ-ATU2)............................................................................
4-4. Filter Chamber for Indoor Unit (CZ-FDU2)......................................................................
4-3. External Electronic Expansion Valve Kit for Indoor Unit (CZ-P56SVK2, P160SVK2)....
2-824. Optional Parts ......................................................................................................................
2-5. Wall Mounted (Type K2) ................................................................................................
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3-6. Wall Mounted (Type K1) ................................................................................................
4-8. Solenoid Valve Kit for 3-Way System (CZ-P56HR3, P160HR3) .................................
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3-7. High Static Pressure Ducted (Type E2) .........................................................................
2-172-7. High Static Pressure Ducted (Type E2) .........................................................................
TD831172-03 VRF SYS INDOOR.indb 1 2015/05/25 17:57:59