intensity , MDV-D18Q4/VN1-E, Installation And Operation Manual

Page 1: ...E At MDV D24Q4 VN1 E At MDV D28Q4 VN1 E At MDV D32Q4 VN1 E At MDV D36Q4 VN1 E At MDV D40Q4 VN1 E At MDV D48Q4 VN1 E At Thank you very much for purchasing our air conditioner Before using your air cond...

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Page 3: ...and wires Improper wiring and installation may cause a fire Make sure the power cord communication and controller wiring are straight and level when you are working on the connections and the cover o...

Page 4: ...ntent the mechanical parts will experience accelerated ageing which will severely compromise the service life of the unit 5 Where there are major voltage fluctuations Operating the unit using a power...

Page 5: ...iameter 32 mm The inner diameter is based on the diameter of the copper and PVC pipes The thickness of the pipe casing is 10 mm or more Increase the thickness of the casing 20 mm or thicker when the t...

Page 6: ...ctions for the installation site See Figure 2 3 for the schematic on the direction of airflow If part of the air vent must be blocked you may insert an air baffle at the vent of the unit body to block...

Page 7: ...or mounting and drill four 12mm X 50 55 mm holes Then embed and set up the expansion hook anchors purchased accessory 4 in these holes See Figure 3 2 During the installation of the hooks purchased acc...

Page 8: ...leakages Buffers Dimensions of unit 75 fresh air vent Refrigerant piping vent liquid side C Refrigerant piping vent gas side D 32 outer diameter of water discharge pipe Figure 3 10 Figure 3 11 Mounti...

Page 9: ...ctive casing to wrap the connection terminals and use a reliable fixture to secure and strengthen the safety isolation of the terminals 4 Adjust the four panel hook screws see Figure 3 15 c to keep th...

Page 10: ...on the installation dimensions of the air ducts Figure 3 22 See Figure 3 23 for the schematic on the air duct installation Figure 3 23 If only one air duct is connected The air volume in the air duct...

Page 11: ...cessive torque will damage the socket cap and the cap will not be tight if you apply insufficient torque leading to leakages 4 5 Air Tightness Test Carry out the air tightness test on the system accor...

Page 12: ...plugged to prevent water from leaking 5 Water Discharge Piping Installation 5 1 Water Discharge Piping Installation for Indoor Unit 1 Use PVC pipes for the water discharge pipes outer diameter 37 39 m...

Page 13: ...supply terminal of the indoor unit Refer to Tables 6 1 and 6 2 for the specifications of the power cord and communication wire A wiring capacity that is too small will cause the electrical wiring to b...

Page 14: ...Indoor and outdoor units Communication wire Connecting the shielded layer of the shielded wire Connect the shielded end of the shielded wire to the electronic controller box sheet metal here Signallin...

Page 15: ...tralized control function for the indoor unit has been completed on the outdoor unit the toggle switch on main control panel of the outdoor unit must be set to auto addressing otherwise the indoor uni...

Page 16: ...t s internal components while the unit is powered on can lead to electric shocks or injuries caused by moving parts such as the unit s fan Ensure that the power supply is disconnected before any servi...

Page 17: ...ity for information about disposal procedures To avoid damaging the remote controller exercise caution when using it and replacing its batteries Do not place objects on top of it Do not place applianc...

Page 18: ...n air filters inside indoor units Caution The unit performs stably in the temperature range given in above table If the indoor temperature is outside the unit s normal operating range it may stop runn...

Page 19: ...ll Clean the filter every two weeks when you use it regularly b If the air conditioner is positioned in a dusty place clean the filter often c Replace the filter if it is too dusty to clean the replac...

Page 20: ...will start after the intentional delay is complete Heating mode is running when the following panel lights are on operation and the DEF FAN LED indicator Cause the indoor unit activates protective me...

Page 21: ...air inlet or outlet is blocked A refrigerant leak has occurred Low heating effect Doors or windows are not completely closed Close doors and windows Arrange for a professional technician to check the...

Page 22: ...button is pressed Check whether the MODE indicated on the display is AUTO Check whether the MODE indicated on the display is DRY A power cut has occurred the power to the premises has been cut off Che...

Page 23: ...P E E d E r o r r e t i n u r o o d t u O E E alarm l e v e l r e t a W FE Indoor unit has not been assigned an address Communication error with outdoor units T1 temperature sensor error T2 temperatu...