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12

(1) Wire specifications and how to perform wiring

• Connect the input from outside to terminals T1 and T2 of

the terminal block for remote controller.

(2) Actuation

• The following table explains FORCED OFF and ON/OFF

OPERATIONS in response to Input A.

(3) How to select FORCED OFF and ON/OFF OPERATION

• Turn the power on and then use the remote controller to

select operation.

NOTE

Before the test operation of the outdoor unit as explained in

12.

TEST OPERATION, be sure to make the following field

settings as explained in 11. FIELD SETTING.

Make sure  the el. compo. box lids  are closed on the indoor 

and outdo or unit s.

Field setting must be made from the remote controller in 

accordance with  the installation  condition.

Setting can be made by changing the “MODE NO.”, “FIRST

CODE NO.”, and “SECOND CODE NO.”.

For setting and operation, refer to the “FIELD SETTING” in

the installation manual of the remote controller.

Set  the  remote  controller  to  the  “FIELD  SET  MODE”.

For details, refer to the “HOW TO SET IN THE FIELD”,

in the remote controller manual.

When in the “FIELD SET MODE”, select “MODE NO. 12” ,

then set the “FIRST CODE NO.” to “1”. Then set

“SECOND CODE NO.” to “01” for FORCED OFF and “02”

for ON/OFF OPERATION. (FORCED OFF at factory set)

With  Wireless Remote Controller  Used

Set the wireless remote controller address before using the 

wireless remote controller.

For the setting method of the address, refer to the operation 

manual provided with the wireless remote controller.

Wire specification

Sheathed vinyl cord or cable (2 wire)

Gauge

0.75 - 1.25 mm

2

Length

Max. 100 m

External terminal

Contact that can ensure the minimum appli-
cable load of 15 V DC, 1 mA.

FORCED OFF

ON/OFF OPERATION

Input “ON” stops operation (impossible 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,  change  the  “SECOND  CODE  NO.”  as  shown  in

Table 

4

.  The  “SECOND  CODE  NO.”  is  set  to  01

(standard) at factory set.

Table  4

* Select “No display” under conditions in which the cleaning
display is not required, such as the time of regular mainte-
nance.

Refer to the installation manual of the outdoor unit.

The operation lamp of the remote controller will flash when

any malfunction occurs. Check the malfunction code on the

liquid crystal display to identify the point of troub

 

explanation

of malfunction codes and the corresponding trouble is

provided

  "CA

UTION FOR SERVICING” of the outdoor unit.

 

If

any

 

of the items in Table 6 are displayed, there may be a

problem with the wiring or power,

so ch

eck the wiring again.

 Dirt 

 Time for display     Mode No.    First      Secon

Code No.

 Code No.   

Standard 

 Approximately 

 01

 2500 hours

Excessive Dust 

 Approximately     10 (20) 

 0

 1250 hours 

 02

 No Display (*) 

 3

12. TEST OPERATION

10-

4

 

COMPUTRISED CONTROL (FORCED OFF

AND ON/OFF OPERATION.

10

-

CENTRALIZED CONTROL

For centralized control, it is necessary to designate the group

No. For details, refer to the manual of each optional

controllers for centralized control.

11. FIELD SETTING

NOTE

A “MODE NO.” is set on a group basis. To make a mode set-

ting on a room unit basis or check the setting made, however,

set the corresponding mode number in the parentheses.

1.

Settings  for Optional  Accessories

In the case of connecting optional accessories, refer to

the operation manuals provided with the optional

accessories and make necessary settings.

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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