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13

Table 6

If interior finish work is continuing on completion of the test 

operation of the air conditioner, explain the customer not to 

operate the air conditioner until the interior finish work is com-

pleted for the protection of the air conditioner. 

Otherwise, substances that will be generated from interior finish 

work materials, such as paint and adhesive agents, may con-

taminate the air conditioner.

 Contents

 Remote Controller 

 Display

  "  A  B  "  Lit  

 Error in power supply votage to indoor unit.

  "  C  1  "  Lit  

 Fan driver PCB of indoor unit

 indoor control PCB transmission error.

  "  C  6  "  Lit  

 Improper combination of fan driver PCB of

 indoor unit or setting failure in control PCB type.

 Test operation of outdoor unit has not

  "  U  3  "  Lit  

 been finished.

 Contents

 Remote Controller 

 Display

"     " is Lit up

"U4" is lit up

"UH" is lit up

No display

The Power on the outdoor unit is off.

The outdoor unit has not been wired for power supply.

 

Incorrect wiring for the transmission wiring and/or

 

FORCED OFF wiring.

There is a short circuit at the FORCED OFF

 

terminals

(T1,T2)

The Power on the indoor unit is off.

The indoor unit has not been wired for power supply.

 

Incorrect wiring for the remote controller wiring,the

 

transmission wiring and/or the FORCED OFF wiring.

!

CAUTION

Table 

5

.

Summary of Contents for VRV FXMQ100ARV16

Page 1: ... shocks or fire Install the air conditioner on a foundation strong enough to withstand the weight of the unit A foundation of insufficient strength may result in the equipment falling down and causing injury Carry out the specified installation work after taking into account strong winds typhoons or earthquakes Failure to do so during installation work may result in the unit falling and causing ac...

Page 2: ...ut exerting any pressure on other parts especially the refrigerant piping drain piping flanges and other resin parts Be sure to check the type of R410A refrigerant to be used before installing the unit Using an incorrect refrigerant will prevent normal operation of the unit The accessories needed for installation must be retained in your custody until the installation work is completed Do not disc...

Page 3: ...eliver instruction manual if any for the field supplies to the customer Hold the hanging brackets in the case of moving the indoor and outdoor units at the time of and after opening the packages Do not impose undue force on other parts such as the refrigerant piping drain piping or flanges in particular Add heat insulation material to the indoor unit if the tem perature above the ceiling is likely...

Page 4: ...icing purposes of the el compo box and drain pump prepare one of the following service spaces 1 2 Inspection hatch 1 2 450 450 for the el compo box and a minimum space of 300 mm for the lower part of the product Refer to Fig 2 2 Inspection hatch 1 450 450 for the el compo box and inspection hatch 2 for the lower part of the prod uct see axial direction view A 1 Refer to Fig 2 3 3 Inspection hatch ...

Page 5: ...the washer for the hanging bracket can be prevented if the washing fixing plate 8 is used During the installation work perform the curing of the air outlet and protect the resin drain pan of the indoor unit from the intrusion of foreign substances such as welding spatters Otherwise water leakage may occur as a result of damage such as hole damage to the resin drain pan 2 Make adjustments so that t...

Page 6: ...e free of oil The drain pan and the resin part may be deteriorated if oil is attached If no torque wrenches are available refer to Table 3 as a standard When the flare nut is tightened with the spanner the tightening torque should increase suddenly Tighten the flare nut further for the corresponding angle shown in Table 3 Table 3 Torque wrench Spanner Piping union Flare nut Fig 4 Pipe size Tighten...

Page 7: ...r of 25 mm Make sure that the piping is short enough with a down ward slope of at least 1 100 and that there is no air bank formed No drain trap is required The drain piping will be clogged with water and water leak age may result if the water is accumulated in the drain piping Conduct drain up piping work if the gradient is insufficient Attach a support bracket at 1 to 1 5 m intervals for the pre...

Page 8: ...oling operation according to 11 FIELD SETTING and 12 TEST OPERATION Make sure that the water is not spilled onto the electric parts of the drain pump and others Ceiling slab 1 1 5 m 300 mm max 700 mm max Support bracket Drain up piping field supply Adjustable 467 mm max Metal clamp 1 accessory Drain hose 2 accessory Drain hose 2 accessory Horizontal or upward slope If there is an air bank noise ma...

Page 9: ...ng and piping between the outdoor unit and an indoor unit are mismatched the system may cause a malfunction A circuit breaker capable of shutting down power supply to the entire system must be installed Refer to the installation manual attached to the outdoor unit for the size of power supply wiring connected to the outdoor unit the capacity of the circuit breaker and switch and wiring instruction...

Page 10: ... connections are done fill in any gaps in the through holes with putty or insulation procured locally to prevent small animals and insects from entering the unit from outside If any do get in they could cause short circuits in the el compo box 5 Mount the provided wire fixing bracket 10 with the wire fixing screw 11 Fix each wire with the provided clamp 7 Precaution s for Power Supply Wiring Conne...

Page 11: ...rt a screwdriver into the clearance between the grooves of the lower casing and the upper casing to remove the upper casing 2 grooves The remote controller PCB is attached to the upper casing Note There is no need to set the indoor unit address when using group control It is automatically set when the power is turned on Lower part of remote controller Upper part of remote controller Insert the scr...

Page 12: ...mpossible by remote controllers Input OFF ON turns ON unit Input OFF enables control by remote con troller Input ON OFF turns OFF unit F2 T1 T2 FORCED OFF Input A SETTING MODE NO SECOND CODE NO FIELD SET MODE FIRST CODE NO 2 Filter Sign Settings The remote controller is provided with an LCD that tells the time of air filter cleaning If the air conditioner is used in places with excessive dust chan...

Page 13: ...ndoor unit indoor control PCB transmission error C6 Lit Improper combination of fan driver PCB of indoor unit or setting failure in control PCB type Test operation of outdoor unit has not U3 Lit been finished Contents Remote Controller Display is Lit up U4 is lit up UH is lit up No display The Power on the outdoor unit is off The outdoor unit has not been wired for power supply Incorrect wiring fo...

Page 14: ...nformation regarding safety Be sure to observe all precautions without fail WARNING Failure to follow these instructions properly may result in personal injury or loss of life CAUTION Failure to observe these instructions properly may result in property damage or personal injury which may be seri ous depending on the circumstances After reading keep this manual in a convenient place so that you ca...

Page 15: ...n order to prevent electric shock or fire 10 Air filter inside filter chamber Sold separately 11 Suction filter chamber Sold separately 12 Suction duct Field supply 13 Machine nameplate The nameplate is imprinted with the machine name and specifications 14 Suction grille Field supply 15 Air Filter Only a qualified person is allowed to perform mainte nance except daily maintenance Before touching a...

Page 16: ...e controller please clean the filter When the operating time exceeds the desig nated time this mark will be displayed If using the air conditioner under very dusty environment increase the frequency of air filter cleaning When you want to change the setting time until the mark is displayed consult with your dealer The default factory setting is 2500 hours There are the following time display patte...

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