MDV MDV-D112Q4/N2 Installation Manual Download Page 1 | Manualshive

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Please read this installation manual carefully before installing your air conditioner.
Please keep this manual in a safe place for future reference.

Digital Scroll Central Air Conditioner

FOUR-WAY CASSETTE TYPE

(INDOOR UNIT)

INSTALLATION MANUAL

Model:

MDV-D28Q

4

/N

2

MDV-D36Q

4

/N

2

MDV-D45Q

4

/N

2

MDV-D56Q

4

/N

2

MDV-D71Q

4

/N

2

MDV-D80Q

4

/N

2

MDV-D90Q

4

/N

2

MDV-D112Q

4

/N

2

1
2
3
...
»

Summary of Contents for MDV-D112Q4/N2

Page 1: ...onditioner Please keep this manual in a safe place for future reference Digital Scroll Central Air Conditioner FOUR WAY CASSETTE TYPE INDOOR UNIT INSTALLATION MANUAL Model MDV D28Q4 N2 MDV D36Q4 N2 MDV D45Q4 N2 MDV D56Q4 N2 MDV D71Q4 N2 MDV D80Q4 N2 MDV D90Q4 N2 MDV D112Q4 N2 ...

Page 2: ...ORIES 1 SAFETY PRECAUTION 2 INSTALLATION LOCATIONS 3 INDOOR UNIT INSTALLATION 4 DRAINAGE PIPE INSTALLATION 6 REFRIGERANT PIPE INSTALLATION 9 ELECTRIC WIRING 11 CONTROL 13 TROUBLE SHOOTING 15 ELECTRIC THROTTLE PART INSTALLATION 15 ...

Page 3: ...aper pattern M5X16 This manual Heat insulation material For heat insulation of drain pipe connection part Gasket For hanging the body Hose band For connecting the drain pipe Flexible hose Heat insulation material For sealing at the piping connection part For connecting the drain pipe Installation indicator For confirming the location on the ceiling With the installation paper pattern 1 Electric th...

Page 4: ...re Install according to this installation instructions strictly If installation is defective it will cause water leakage electrical shock or fire Use the attached accessories parts and specified parts for installation Otherwise it will cause the set to fall water leakage fire or electrical shock Install at a strong and firm location which is able to withstand the set s weight If the stren gth is n...

Page 5: ...st be done on the air conditioner and the building complying to National Regulations CAUTIONS INSTALLATION LOCATIONS 3 HEIGHT BETWEEN CEILING AND FLOOR INSTALLATION SPACE MDV D28 36 45 56 71 80 Q4 N2 MDV 90 112 Q4 N2 Size A mm Ceiling Height Above 315 Above 365 Models B C Wall material Up B Sides C Above 10cm Above 10cm Above 10cm Above 5cm Above 5cm Flammable material Fire proof structure Fire pr...

Page 6: ...o install strictly according to related specification Wrong installation will cause the unit to fall CAUTION 4 Model MDV D A B C D E F 940 1350 880 1290 820 1230 620 1030 405 610 400 605 28 36Q4 N2 71 80Q4 N2 90 112Q4 N2 G H I J K L M 260 320 536 946 130 180 f9 5 f19 0 196 136 246 186 28 45Q4 N2 56 80Q4 N2 90 112Q4 N2 Model MDV D Select installation location considering piping and wiring connectio...

Page 7: ...r unit Adjust the gasket down side to 138mm over the ceiling Hanging Bolt Nut Up Side Gasket Up Side Installing Ear Nut Down Side Down side of the ceiling Gasket Down Side 138mm Bolt Installation method should be changed under the different construction structure Please consult the professional for the detailed information After opening a hole the ceiling should be horizontal and strong to prevent...

Page 8: ... 2m to prevent winding Refer to the following figures about the installation of the pipes Do not impose any pressure on the connection part of the drainage pipe Be sure to seal the connection parts between and the panel the indoor unit or even small gaps may cause wind water leakage or condensing water the panel the ceiling Be sure to follow this Installation Manual during drainage installation th...

Page 9: ...e attached band Please place the flexible hose horizontally Use polyvinyl chloride glue at the connection part of the drainage pipe be sure no water leakage Paste glue at the front 40mm of the polyvinyl chloride pipe insert it into the transparent pipe It needs 10 minutes for the glue to dry Do not impose pressure on the connection during the drying period Drainage Pipe Material Polyvinyl chloride...

Page 10: ...tart up immediately 4 After drain pump run 2 min reset the water level pin and the drain pump motor will stop after running 1 min Below 360mm Below 600mm Below 100mm Indoor Unit Ceiling 8 L N Motor Sound Test The drainage test is doing during checking the drain pump motor running sound Reset the water level switch connection to the original position after the drainage test Heat Insulation Wrap the...

Page 11: ...Refrigerant Volume to Be Added Refrigerant volume to be added is calculated according to outdoor unit installation manual R407C Be sure to add refrigerant measuring by a scale If the added refrigerant volume is inadequate too much or insufficient the compressor malfunction will be caused Be sure to calculate the refrigerant volume carefully The service man should write down the piping length and t...

Page 12: ...tions of the piping with soap water Heat insulation for the gas and liquid pipe separately Heat insulation should be fully and carefully done because the liquid side pipe and gas side pipe are easy to condense water due to low temperature when cooling O Heat proof above 120 C material should be used at the gas side pipe The indoor unit connection parts should be no gap heat insulated with the atta...

Page 13: ...ectric shock or fire may occur Be sure to Install Current Leakage Protection Switch Or electric shock may occur Power cord is to be selected according to national regulations Outdoor unit power cord should be selected and connected according to the outdoor unit installation manual Wiring should be away from high temperature components or the insulation layer of the wires may melt down Use wire cla...

Page 14: ...Creepage Protection Switch Creepage Protection Switch Ground Wire 380V Outdoor Unit Ground Wire Connect to close end of the screened wire Indoor Unit Indoor Unit Wire Distribution Box Wiring Specifications Wiring specifications are listed below insufficient capacity would over heat the wire or destroy the machine Model Items Power Cord of the Indoor Unit Control Wire Diameter Ground Wire Single Wi...

Page 15: ...ire Please adopt the screened wire and connect the screened layer to E P Q Single phase indoor unit E As per the different usages to set the moving switch on the PCB in the electric control box of indoor unit After the setting be sure to cut down the main power supply switch then turn it on again Setting would be invalid without disconnecting the power CONTROL Please number the indoor units during...

Page 16: ... 1 2 3 4 5 6 7 8 9 2200W 0 8HP 14000W 5 0HP 11200W 4 0HP 9000W 3 2HP 8000W 3 0HP 7100W 2 5HP 5600W 2 0HP 4500W 1 5HP 3600W 1 2HP 2800W 1 0HP ENC1 TOGGLE SWITCH FOR SETTING ADDRESS 0 F show the address 0 F respectively that is 0 15 indoor unit together 16 units and the others follow the analogy If two addresses are the same in one system the abnormal operation will occur ...

Page 17: ...e alarm will disappear Run lamp Timer lamp Defrost lamp Alarm lamp Manual Switch TROUBLE SHOOTING INSTALL ELECTRIC THROTTLE PART Please refer to the following figures to install The installation size is as follows 266 165 215 7 5 Electric throttle part wires group Indoor unit input pipe Connection pipe copper nut joint Electric throttle part pipe joint Indoor unit input pipe joint Electric throttl...

Page 18: ...6292aW ...

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