background image

Drain hose

Liquid pipe

Gas pipe

Felt tape 

7

Indoor/outdoor unit 
connecting wire 

A

4-5 AUTO RESTART FUNCTION

  These models are equipped with an auto restart function. If you do not want to use 

this function, please consult the service representative because the setting of the unit 
needs to be changed.

  When the indoor unit is controlled with the remote controller, the operation mode, 

the set temperature, and the fan speed are memorized by the indoor electronic 
control P.C. board. The auto restart function sets to work the moment the power 
has restored after power failure, then, the unit will restart automatically. If the unit is 
operated in “I FEEL...” or “AUTO” mode before power failure, the operation mode 
(COOL, DRY or HEAT) is not stored in the memory. When the main power is turned 
on, the unit decides the operation mode by the initial room temperature at restart and 
starts operation again.

Operation

1

  If the main power has been cut, the operation settings remain.

2

  When three minutes have passed after power was restored, the unit will restart 

automatically according to the memory.

Notes:

  The operation settings are memorized when 10 seconds have passed after the 

remote controller was operated.

  If the main power is turned off or a power failure occurs while AUTO START/STOP 

timer is active, the timer setting is cancelled. As these models are equipped with an 
auto restart function, the air conditioner starts operating with timer cancelled at the 
same time that power is restored.

  If the unit has been off with the remote controller before power failure, the auto 

restart function does not work as the power button of the remote controller is off.

  To prevent breaker off due to the rush of starting current, systematize other home 

appliances not to turn on at the same time.

4-6 PIPE FORMING

  Place the drain hose below the refrigerant piping.

  Make sure that the drain hose is not heaved or snaked.

  Do not pull the hose to apply the tape.

  When the drain hose passes the room, be sure to wrap insulation material 

(obtainable at a store) around it.

  Wrap the felt tape 

7

 around the pipe and the drain hose, then put the pipe in the 

back space of the indoor unit.

Drain hose

Be careful drain hose is not 
heaved.

Cut off in case of right piping.

Cut off in case of downward piping.

Drain cap

FOR REAR, RIGHT OR DOWNWARD PIPING

 Pipe arrangement

 

Put the refrigerant piping and the drain hose together, then apply piping tape 

G

 to 

them.

  Insert the piping and the drain hose into the wall hole sleeve 

C

, and hook the upper 

part of the indoor unit on the installation plate 

1

.

  Check if the indoor unit is hooked securely on the installation plate 

1

 by moving the 

unit to left and right.

  Thrust the lower part of the indoor unit into the installation plate 

1

.

FOR LEFT OR LEFT-REAR PIPING

 Pipe arrangement

  Put the refrigerant piping and the drain hose together, then apply felt tape 

7

 to 

them.

Cut off in case of left piping.

Felt tape 

7

Firmly apply felt tape 

7

 from the end.

(Felt tape 

7

 overlap width should be 1/3 

the tape width.)

Be careful drain 
hose is not heaved.

Use a bandage stopper at 
the end of felt tape 

7

.

Drain cap

Firmly apply piping tape 

G

from the end.

 CAUTION

  Be careful not to make mis-wiring.

  Firmly tighten the terminal screws to prevent them from loosening.

  After tightening, pull the wires lightly to confi rm that they do not move.

  If the connecting wire is incorrectly connected to the terminal block, the unit does 

not operate normally.

  If an earth is incorrect, it may cause an electric shock.

2  Pull out the drain hose at the rear left of the indoor unit.

Hold the claw marked by the arrow and pull out the drain hose forward.

1  Pull out the drain cap at the rear right of the indoor unit.

Hold the convex section at the end and pull the drain cap.

REATTACHING DRAIN HOSE

Be sure to reattach the drain hose and the drain cap in case of left or left-rear piping.
Otherwise, it could cause drops of water to drip down from the drain hose.

Summary of Contents for MS-GD80VB

Page 1: ...such as air can cause abnormal pressure rise or an explosion Q Earth the unit Do not connect the earth to a gas pipe water pipe lightning rod or telephone earth Defective earthing could cause an electric shock CAUTION Q Do not install the unit in a place where an inflammable gas leaks If gas leak and accumulate in the area surrounding the unit it could cause an explosion Q Install an earth leakage ...

Page 2: ...ndoor and outdoor units Be careful not to crush or bend the pipe in pipe bending Limits MS H GD80 Pipe length 30 m max Height difference 15 m max No of bends 10 max Refrigerant adjustment If pipe length exceeds 7 m additional refrigerant R 410A charge is required The outdoor unit is charged with refrigerant for pipe length up to 7 m Pipe length Up to 7 m No additional charge is required Exceeding ...

Page 3: ...e front panel 2 Remove one screw holding the electrical cover then remove the cover 3 Remove the VA clamp and the cord clamp 4 Pass the indoor outdoor unit connecting wire from the back of the indoor unit and process the end of the wire then connect it to the terminal block 5 Replace the fixture and electrical cover securely Indoor terminal block ELECTRICAL COVER Fixing screws Securely push the wir...

Page 4: ...ain hose is not heaved or snaked Do not pull the hose to apply the tape When the drain hose passes the room be sure to wrap insulation material obtainable at a store around it Wrap the felt tape 7 around the pipe and the drain hose then put the pipe in the back space of the indoor unit Drain hose Be careful drain hose is not heaved Cut off in case of right piping Cut off in case of downward piping...

Page 5: ...ose should point downward for easy drain flow Fig 1 Do not make drain piping as shown in Fig 2 to 5 INDOOR UNIT INSTALLATION Insert the drain hose into the wall hole sleeve C and hook the upper part of indoor unit on the installation plate 1 Then move the unit to the very edge of the left side for putting the piping easily in the back space of the indoor unit After that cut the part of packing mate...

Page 6: ...R410Ahas high pressures beyond the measurement range of existing gauges Port diameters have been changed to prevent any other refrigerant from being charged into the unit Charge hose No Hose material and cap size have been changed to improve the pressure resistance Gas leak detector No Dedicated for HFC refrigerant Torque wrench Yes 1 4 No 1 2 and 5 8 Flare tool Yes Clamp bar hole has been enlarge...

Page 7: ...rm test run in the following procedure 6 3 PIPE CONNECTION Note Fasten a flare nut with a torque wrench as specified in the table below When fastened too tight a flare nut may broken after a long period and cause a leakage of refrigerant 1 Indoor unit connection Connect both liquid and gas pipings to indoor unit Apply a thin coat of refrigeration oil J on the seat surface of pipe For connection first ...

Page 8: ...the gas cylinder with warm water under 40 C during cold season But never use naked fire or steam 1 Remove the screw caps 2 Remove three screws 3 Pull the bottom Hold this concave section and pull the bottom forward to remove the front panel 4 Release the hooks Push Go down Square hole 5 Push Horizontal vane 3 2 4 1Point the horizontal vane slightly downward Union Indoor unit Liquid pipe Gas pipe St...

Page 9: ...nks Model Number MS GD80VB MS GD80_Instruction_Book_ JG79A086H01 MS GD80_Declaration_of_Conformity_ CE2010B01 MS GD80_Installation_Manual_ JG79A087H01 MS GD80_Parts_Catalog_ OBB511 MS GD80_Service_Manual_ OBH511A ...

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