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VRF Air-Conditioner IOM

 

 

Contents 

1. SAFETY CONSIDERATIONS ............................................................................................................ 1 

2. BEFORE INSTALLATION ................................................................................................................ 1 

3. SELECTING INSTALLATION SITE .................................................................................................... 2 

4. INDOOR UNIT INSTALLTION ......................................................................................................... 2 

5. REFRIGERANT PIPING WORK ....................................................................................................... 4 

6. DRAIN PIPING WORK ................................................................................................................... 5 

7. INSTALLING THE DUCT ................................................................................................................. 6 

8. ELECTRIC WIRING WORK ............................................................................................................. 6 

Summary of Contents for York YDVC028

Page 1: ...VRF Air Conditioner Installation Manual FORM NO YDVC IOM EN 1212 ...

Page 2: ...3 8 0 Power supply 220V 50Hz Rated Power W 41 50 60 71 Rated Current A 0 18 0 23 0 27 0 32 Air Flow Rate m3 h 420 680 900 1000 External Static Pressure Pa 0 Dimension HxWxD mm 600x730x230 600x980x230 600x1334x230 600x1334x230 Connecting Pipes Liquid Gas φ mm 6 35 9 52 6 35 12 7 6 35 12 7 9 52 15 88 Drainage Pipe φ mm 19 05 O D ...

Page 3: ...OM Contents 1 SAFETY CONSIDERATIONS 1 2 BEFORE INSTALLATION 1 3 SELECTING INSTALLATION SITE 2 4 INDOOR UNIT INSTALLTION 2 5 REFRIGERANT PIPING WORK 4 6 DRAIN PIPING WORK 5 7 INSTALLING THE DUCT 6 8 ELECTRIC WIRING WORK 6 ...

Page 4: ...use electric shock Be sure the air conditioner is well grounded Never connect the ground line with the gas pipe water pipe lightning conductor or telephone lines Incomplete ground line may cause electric shock or fire Be sure to install a ground leakage breaker Failure to install a ground leakage breaker may result in electric shock or fire Please follow the instructions in this manual to install ...

Page 5: ...iling might exceed 30 C and RH80 please reinforce the insulation on the unit Use glass wool or polyethylene foam as insulation and its thickness is more than 10mm 3 1 INSTALLATION SITE REQUIREMENTS The ceiling is strong enough to bear the indoor unit weight If not please reinforce the ceiling before installation Ensure optimum air distribution and nothing blocks the air passage Condensate water ca...

Page 6: ...6 35 9 52 YDVC045 980 820 782 763 6 35 12 7 YDVC056 1334 1170 1132 1113 6 35 12 7 YDVC071 1334 1170 1132 1113 9 52 15 88 To leave an inspection opening for convenient maintenance and inspection of the parts such as electrical parts refrigerant connection nuts temperature sensors EXV coil drain pump if it has etc Refer to Fig 3 for the inspection opening size Figure 3 Servica Space ...

Page 7: ...ting the piping either pinch the end or cover it with tape Do not allow anything other than the designated refrigerant to get mixed into the refrigerant circuit such as air etc When brazing the refrigerant piping perform nitrogen replacement first or perform brazing while feeding nitrogen into the refrigerant piping and finally connect the indoor unit using the flare connections When brazing a pip...

Page 8: ...P P Pressure correction value Pa correction P the correced pressure value Pa 1 P 1 st record pressure Pa 2 P 2 nd record pressure Pa 1 t 1 st record temperature C 1 t 2nd record temperature C Do not connect indoor units with outdoor units during the air test process Otherwise it may result in nitrogen gas emtering into the outdoor unit 5 3 Insulate the piping After checking it has no leakage be su...

Page 9: ...al introduction Refer to figure 11 for indoor unit electrical wiring All field supplied parts and materials and electric works must conform to local laws Only copper wires can be used Please refer to the wiring diagram attached with the unit when performing the electric work Please refer to the installation guide attached with wire controller for electric and detailed instruction All wiring works ...

Page 10: ...6A 2P 1 0mm 2 MCA Maximum Current A 8 2 Power distribution Refer to Fig 8 for power distribution of the system Fig 8 Indoor and Outdoor Units Power Distribution Diagram 8 3 Indoor unit field wiring Refer to the Wring Diagram attached to the control box lid for details 8 4 Setting indoor unit model Refer to the Wring Diagram attached to the control box for the indoor unit setting 8 5 Communication ...

Page 11: ...ire and PVC conduit are the field supplied parts 8 7 Connect the wire controller and indoor unit Group control can be realized through the wire controller One wire controller can connect to max 4 indoor units The indoor units in one group should be connected in one and same power supply to guarantee normal initialization of wire controller when power on Connection sketch of indoor unit and wire co...

Page 12: ...YDVC IOM EN 1212 YDVC IOM 1204 NONE ...

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