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YORK VRF Air-Conditioner IOM

 

Contents 

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

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

 

 2

 

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

 

 2

 

4 BEFORE INSTALLATION...........................................................................................................................................

 

 3

 

5 INDOOR UNIT INSTALLTION....................................................................................................................................

 

 4

 

6 REFRIGERANT PIPING WORK................................................................................................................................

 

.. 4

 

7 DRAIN PIPING WORK .............................................................................................................................................

 

 6

 

8 INSTALLING THE DUCT ...........................................................................................................................................

 

 7

 

9 SET THE ESP ...........................................................................................................................................................

 

 7

 

10 ELECTRIC WIRING WORK......................................................................................................................................

 

 7

 

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Summary of Contents for YDCC018-115

Page 1: ... YORKVRFAir Conditioner 250 12 YDCC IOM English YGF 0911 Installation Manual ...

Page 2: ...TY CONSIDERATIONS 2 BEFORE INSTALLATION 2 3 SELECTING INSTALLATION SITE 2 4 BEFORE INSTALLATION 3 5 INDOOR UNIT INSTALLTION 4 6 REFRIGERANT PIPING WORK 4 7 DRAIN PIPING WORK 6 8 INSTALLING THE DUCT 7 9 SET THE ESP 7 10 ELECTRIC WIRING WORK 7 ϭ ...

Page 3: ... the doors and windows immediately to ventilate the room thoroughly z Toxic gas may be produced if the refrigerant comes in contact with fire such as a fan heater stove or cooking device z Power off the unit before touching the electrical parts z Do not touch the switch with wet fingers Touching the switch with wet fingers may cause electric shock z Be sure the air conditioner is well grounded Nev...

Page 4: ...utdoor unit 3 SELECTING INSTALLATION SITE z If it has the possibility that the temperature and humidity inside the ceiling 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 z The ceiling is strong enough to bear the indoor unit weight If not please reinforce...

Page 5: ... opening for repairing should be installed in the ceiling right below the unit The size should be no smaller than the unit diameter BhE shown in the Fig 2 YDCC06 45 YDCC018 112 Indoor Units Models A B C D E YDCC066 078 1205 1235 1450 1213 222 YDCC095 115 1505 1535 1780 1513 237 Note indoor unit series type of A B C and D is determined by the specific letter in the bar code on the unit For example ...

Page 6: ... installed within the hanger bracket for fear of bolt rolling out this may result in danger 6 REFRIGERANT PIPING WORK z Execute insulation completely on both sides of the gas piping and the liquid piping Otherwise water leakage can result sometimes Please use the insulation materials that can withstand temperature of at least 120 C Reinforce the insulation on the refrigerant piping according to th...

Page 7: ...frigerant piping and let the pressure slowly rise to 4 15MPa b The specified pressure should be maintained for 10 minutes and then soapy water or other foaming agent are applied to the connection positions such as brazing seams screwed joints etc for leakage detection c If it has leakage then tighten or braze the leakage point d After it has been confirmed that the piping does not leak the dwellin...

Page 8: ...8 Central Drain Pipe z For the indoor unit with pump drainage a Be sure the drain raising pipe height is within 700mm b Place the drain raising pipe vertically and make sure it is no further than 300mm Refer to Fig 8 c The spare drain hole also needs to be thoroughly insulated to avoid accumulating of condensate water Fig 9 Pump Drainage z To prevent the drain pipe from sagging install hanging bra...

Page 9: ...ording to the actual pressure drop of the air duct z Indoor unit ESP can be adjusted by changing the connection site of fan wiring in the control board For detail setting method of different indoor ESP please refer to the wiring diagram attached to the control box lid 10 ELECTRIC WIRING WORK 10 1 General introduction z Shut off the power before doing any work z All field supplied parts and materia...

Page 10: ... system while the other indoor units are controlled by another switch 10 4 Indoor unit field wiring z For detail indoor unit wiring see the Wring Diagram attached to the control box lid when laying the indoor unit electrical wiring 10 5 Setting indoor unit model z Refer to the Wring Diagram attached to the control box lid for indoor unit model setting 10 5 Communication network Note indoor unit co...

Page 11: ...roller can connect to max 4 indoor units Note indoor unit series type of A B C and D is determined by the specific letter in the bar code attached on the unit For example indoor unit YDCC C means C type series unit and YDCC B means B type z The indoor units in one group should be connected in a same power supply to guarantee normal initialization of wire controller when power on z Connection of in...

Page 12: ...721239 YDCC IOM English YGF 0911 NOTHING ...

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