Design of VRF SYSTEM Design of VRF SYSTEMS Contents Contents 2. DESIGN OF VRF SYSTEMS 1. Electrical Wiring ........................1-1. General Precautions on Wiring ..................1-2. Recommended Wire Length and Wire Diameter for Power Supply System ....1-3. Wiring System Diagrams ....................2.
Design of VRF SYSTEMS Design of VRF SYSTEMS 1. Electrical Wiring 1. Electrical Wiring 1-1. General Precautions on Wiring (5) Do not allow wiring to touch the refrigerant tubing, (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely compressor, or any moving parts of the fan.
Design of VRF SYSTEMS Design of VRF SYSTEMS 1. Electrical Wiring 1. Electrical Wiring 1-3. Wiring System Diagrams Indoor unit (No. 1) Outdoor unit Power supply 220/230/240V ~50/60Hz Ground Remote To outdoor unit controller Ground Ground Indoor unit (No. 2) Power supply Ground 6P terminal board...
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Design of VRF SYSTEMS Design of VRF SYSTEMS 1. Electrical Wiring 1. Electrical Wiring CAUTION When linking the outdoor units in a network, disconnect the terminal extended from the short plug from all outdoor units except any one of the outdoor units. (When shipping: In shorted condition.) For a system without link (no wiring connection between outdoor units), do not remove the short plug.
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Design of VRF SYSTEMS 1. Electrical Wiring (5) Use shielded wires for inter-unit control wiring (C) and Shielded wire ground the shield on both sides, otherwise misoperation from noise may occur. (Fig. 2-5) Connect wiring as shown in Section “1-3. Wiring System Ground Ground Fig.
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Design of VRF SYSTEMS Design of VRF SYSTEMS 1. Electrical Wiring 1. Electrical Wiring Wiring sample Type E2 When connecting with 2WAY VRF system outdoor unit Use this screw when connecting the shield for the Inter-unit control wiring to ground. Functional ground screw (Schedule Timer) Remote Control Wiring...
Design of VRF SYSTEM Design of VRF SYSTEMS 2. SELECTING THE INSTALLATION SITE 2. SELECTING THE INSTALLATION SITE 2-7. High Static Pressure Ducted (Type E2) AVOID: areas where leakage of flammable gas may be expected. places where large amounts of oil mist exist. direct sunlight.
Design of VRF SYSTEMS Design of VRF SYSTEMS 3. How to install the indoor unit 3. How to install the indoor unit 3-7 High Static Pressure Ducted (Type E2) 3-7-1. Required Minimum Space for Installation and Service (1) Dimensions of suspension bolt pitch and unit Unit: mm 1170 (Suspension bolt pitch)
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Design of VRF SYSTEMS Design of VRF SYSTEMS 3. How to install the indoor unit 3. How to install the indoor unit 3-7-2. Suspending the Indoor Unit Depending on the ceiling type: 1. Check the suspension bolt pitch. 2. Ensure that the ceiling is strong enough to support the weight of the unit. 3.
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Design of VRF SYSTEMS Design of VRF SYSTEMS 3. How to install the indoor unit 3. How to install the indoor unit 3-7-3. Installing the Refrigerant Tubing The size of the refrigerant tubing is as shown in the table below. Table 2-10 Type ø19.05...
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Design of VRF SYSTEMS Design of VRF SYSTEMS 3. How to install the indoor unit 3. How to install the indoor unit 3-7-4. Installing the Drain Piping (1) Prepare standard hard PVC pipe (O.D. 32 mm) Downward slant Sealing tape for the drain and use the supplied drain socket to prevent water leaks.
Design of VRF SYSTEMS Design of VRF SYSTEMS 4. Optional Parts 4. Optional Parts High Static Pressure Ducted (Type E2) Power cable NOTE Bundle the surplus power cable and signal output cable using the cable tie attached to the kit of the optional part CZ-CAPE2. 3WAY2 Power 3WAY1...
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) Unit specifications (B) INDOOR MODEL S-224ME2E5 PANEL MODEL PERFORMANCE TEST CONDITION ISO15042 / AS / NZS3823.1 / EN14511 / EN12102 ø,Hz 1ø...
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) Unit specifications (C) INDOOR MODEL S-280ME2E5 PANEL MODEL PERFORMANCE TEST CONDITION ISO15042 / AS / NZS3823.1 / EN14511 / EN12102 ø,Hz 1ø...
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) Unit specifications (In case of Fresh Air Intake Mode) (D) INDOOR MODEL S-224ME2E5 PANEL MODEL PERFORMANCE TEST CONDITION *3 ø,Hz...
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) Unit specifications (In case of Fresh Air Intake Mode) (E) INDOOR MODEL S-280ME2E5 PANEL MODEL PERFORMANCE TEST CONDITION *3 ø,Hz...
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type 7. High Static Pressure Ducted Type (Type E2) Indoor unit (B) MODEL No. S-224ME2E5 50Hz 〜220 - 230 - 240 V, single-phase Power source 60Hz 〜220 - 230 V, single-phase Controller P.C.B.
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type 7. High Static Pressure Ducted Type (Type E2) Indoor unit (C) MODEL No. S-280ME2E5 50Hz 〜220 - 230 - 240 V, single-phase Power source 60Hz 〜220 - 230 V, single-phase Controller P.C.B.
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) 7-3. Dimensional Data Indoor unit: S-180ME2E5 / 224ME2E5 / 280ME2E5 Unit : mm Refrigerant liquid tubing (Flare) ø9.52 mm Type 180 Refrigerant gas tubing (Brazing) ø19.05 mm Type 224...
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) 7-4. Noise Criterion Curves MODEL : S-180ME2E5 SOUND LEVEL : HIGH 44 dB(A),LOW 40 dB(A) CONDITION : Under the unit 1.5 m SOURCE...
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) In the case of Fresh Air Intake Mode MODEL : S-224ME2E5 MODEL : S-280ME2E5 SOUND LEVEL : HIGH 43 dB(A) SOUND LEVEL...
VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) 7-5. R.A.P. (Refrigerant Accumulation Protector) Value Kit Fresh Air Intake Mode Type of Outdoor Unit Parts Not In Use In Use...
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) 7-6. Indoor Fan Performance Type 180 (Pa) Cooling Heating Item code Cooling Setting at “...
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) 7-7. External Static Pressure Setting Choose one of the methods (selection of “a”, “b”, “c” within the range of dotted line as shown in the flowchart below) and make settings.
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) 7-7-1. Indoor Fan Performance 1. Turn off the power breaker to halt the supply of electricity to the PC board. 2.
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) 7-7-3. Operating the High-spec Wired Remote Detailed settings 20:30 (THU) Controller (CZ-RTC3) Unit no. Code no.
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VRF SYSTEMS Indoor Unit Specifications VRF SYSTEMS Indoor Unit Specifications 7. High Static Pressure Ducted Type (Type E2) 7. High Static Pressure Ducted Type (Type E2) 7-7-4. Operating the Timer Remote Controller (CZ-RTC4) How to set the external static pressure Table 4-8 Setting the external static pressure 1.
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Electrical Data Electrical Data 6. High Static Pressure Ducted 6. High Static Pressure Ducted (1) Electric Wiring Diagram S-180ME2E5 / 224ME2E5 / 280ME2E5...
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Capacity Table 1. Cooling Capacity of Indoor Unit For 2WAY VRF SYSTEM S-224ME2E5 Power supply :220/230/240V 1phase-50Hz , 220/230V 1phase-60Hz TC : Total Cooling Capacity (kW), SHC : Sensible Heat Capacity (kW) This data is when the indoor unit connects with 16HP outdoor unit. RATING CAPACITY: 22.4 kW AIR FLOW RATE : 56.0 m...
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Capacity Table 1. Cooling Capacity of Indoor Unit For 2WAY VRF SYSTEM S-280ME2E5 Power supply :220/230/240V 1phase-50Hz , 220/230V 1phase-60Hz TC : Total Cooling Capacity (kW), SHC : Sensible Heat Capacity (kW) This data is when the indoor unit connects with 16HP outdoor unit. RATING CAPACITY: 28.0 kW AIR FLOW RATE : 72.0 m...
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Capacity Table Capacity Table 1. Cooling Capacity of Indoor Unit 1. Cooling Capacity of Indoor Unit For 2WAY VRF SYSTEM For 2WAY VRF SYSTEM S-224ME2E5 Fresh Air Intake Mode Power supply : 220/230/240V 1phase-50Hz , 220/230V 1phase-60Hz TC : Total Cooling Capacity (kW), SHC : Sensible Heat Capacity (kW) This data is when the indoor unit connects with 16HP outdoor unit.
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Capacity Table 2. Cooling Capacity of Indoor Unit For 3WAY VRF SYSTEM S-224ME2E5 Power supply :220/230/240V 1phase-50Hz , 220/230V 1phase-60Hz TC : Total Cooling Capacity (kW) SHC : Sensible Heat Capacity (kW) This data is when the indoor unit connects with 14HP outdoor unit. RATING CAPACITY: 22.4 kW AIR FLOW RATE : 56.0 m...
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Capacity Table 2. Cooling Capacity of Indoor Unit For 3WAY VRF SYSTEM S-280ME2E5 Power supply :220/230/240V 1phase-50Hz , 220/230V 1phase-60Hz TC : Total Cooling Capacity (kW) SHC : Sensible Heat Capacity (kW) This data is when the indoor unit connects with 14HP outdoor unit. RATING CAPACITY: 28.0 kW AIR FLOW RATE : 72.0 m...
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Capacity Table Capacity Table 2. Cooling Capacity of Indoor Unit 1. Cooling Capacity of Indoor Unit For 3WAY VRF SYSTEM For 3WAY VRF SYSTEM S-224ME2E5 Fresh Air Intake Mode Power supply : 220/230/240V 1phase-50Hz , 220/230V 1phase-60Hz TC : Total Cooling Capacity (kW), SHC : Sensible Heat Capacity (kW) This data is when the indoor unit connects with 14HP outdoor unit.