Mitsubishi Heavy Industries V Multi 100VNX Technical Manual Download

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'13 • PAC-T-197

Drain pump operation from remote control unit is possible. Operate a remote control unit by
following the steps described below.
1. To start a forced drain pump operation.

①

Press the TEST button for three seconds or longer.

The display will change “ ”

②

Press the button once and cause “ ” to be displayed.

③

When the (SET) button is pressed, a drain pump operation will start.

Display: “ ”

2. To cancel a drain pump operation.

①

If either (SET) or button is pressed, a forced drain pump operation will

stop. The air conditioning system will become OFF.

◎

If two (2) remote controls are connected to one (1) inside unit, only the master control is available for

trial operation and confirmation of operation data. (The slave remote control is not available.)

Operation data can be checked with remote
control unit operation.
1. Press the button.

The display change “ ”

2. Press the (SET) button while

“ ” is displayed.

When only one indoor unit is connected

to remote control, “ ” is
displayed (blinking indication during data
loading).
Next, operation data of the indoor unit
will be displayed. Skip to step 7.

4. When plural indoor units is connected,

the smallest address number of indoor
unit among all connected indoor unit is
displayed.
[Example]:
“

” (blinking 1 seconds)

“ ” blinking.

5. Select the indoor unit number you would

like to have data displayed with the
button.

6. Determine the indoor unit number with the

(SET) button.

(The indoor unit number changes from
blinking indication to continuous indication)
“ ” (The address of selected
indoor unit is blinking for 2 seconds.)

“ ” (A blinking indication appears while data loaded.)
Next, the operation data of the indoor unit is indicated.

7. Upon operation of the button, the current operation data is displayed in order from

data number 01.
The items displayed are in the above table.

※

Depending on models, the items that do not have corresponding data are not displayed.

8. To display the data of a different indoor unit, press the button, which allows you to

go back to the indoor unit selection screen.

9. Pressing the button will stop displaying data.

Pressing the (RESET) button during remote control unit operation will undo your last
operation and allow you to go back to the previous screen.

◎

If two (2) remote controls are connected to one (1) inside unit, only the master control is available for

trial operation and confirmation of operation data. (The slave remote control is not available.)

After a unit is energized, it is possible to display an indoor unit address by pressing
button on the remote control unit. Press the or button to make sure
that all indoor units connected are displayed in order.

Control plural indoor units by a single remote control

Confirming method of indoor units

Master/ slave setting when more than one remote control unit are used

Electrical Wiring Connection

①

A remote control can control plural indoor units (Up to 16).

②

Remote Control, Wiring and functions

Wired remote control: SW1

Wireless kit: SW1-2

Switch

setting

contents

Master

remote control

Slave

remote control

Indoor Unit (1)

Address “0”

Indoor Unit (2)

Address“1”

Indoor Unit (16)

Address“F”

Remote control

Remote control line (no polarity)

Remote

control

“Master”

Remote

control

“Slave”

Indoor Unit

Remote control line

(no polarity)

Installation and wiring of remote control

The method of trial cooling operation

Checking operation data

③

Trial operation

Trail operation of drain pump

Number

01
02
03
04
05
06
07
08
09
10
11
12
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

Data Item

(Ope ration Mode)
(Set Temperature)
(Return Air Temperature)
(Remote Control ThermistorTemperature)
(Indoor Unit Heat Exchanger Thermistor / U Bend)
(Indoor Unit Heat Exchanger Thermistor /Capillary)
(Indoor Unit Heat Exchanger Thermistor /Gas Header)
(Indoor Unit Fan Speed)
(Frequency Requirements)
(Response Frequency)
(Pulse of Indoor Unit Expansion Value)

(Total Running Hours of The Indoor Unit)

(Outdoor Air Temperature)
(Outdoor Unit Heat Exchanger Thermistor)
(Outdoor Unit Heat Exchanger Thermistor)
(Compressor Frequency)
(High Pressure)
(Low Pressure)
(Discharge Pipe Temperature)
(Comp Bottom Temperature)
(Current)
(Target Super Heat)
(Super Heat)
(Discharge Pipe Super Heat)
(Protection State No. of The Compressor)
(Outdoor Unit Fan Speed)
(63H1 On/Off)
(Defrost Control On/Off)

(Total Running Hours of The Compressor)

(Pulse of The Outdoor Unit Expansion Valve EEVC)
(Pulse of The Outdoor Unit Expansion Valve EEVH)

ELECTRIC WIRING WORK INSTRUCTION

Security instructions

CAUTION

WARNING

●

Do not mingle solid cord and stranded cord on power source and signal side
terminal block.

In addition, do not mingle difference capacity solid or stranded cord.
Inappropriate cord setting could cause loosing screw on terminal block, bad electrical
contact, smoke and fire.

●

PSBO12D994

Power source

Cable connection for single unit installation

Cable connection for a V multi configuration installation

Three-phase model

Single-phase model

Method of setting Master/Slave of indoor unit

(Factory setting: “Master”)

PCB

SW5-1

OFF

SW5-2

①②③

L N

Remote control

control line

Power source line

Indoor-Outdoor

Power source

Circuit breaker

Indoor Unit

Master

Slave 1

Slave 2

Slave 3

①②③

L1 L2 L3 N

Master

Slave 1

Slave 2

Slave 3

Twin type

①②③

Remote control line (no polarity)

AIR CON NO.

Outdoor Unit

Indoor Unit

Outdoor Unit

Indoor Unit

Outdoor Unit

Earth

Double twin type

Triple type

Earth leakage

breaker

Power source

●

Use three-core cable as wiring between indoor and outdoor unit. As for detail, refer to "INSTAL-
LATION MANUAL" of outdoor Unit.

●

Set earth of D-type.

●

Keep "remote control line" and "power source line" away from each other on constructing of
unit outside.

●

Run the lines (power source, remote control and "between indoor and outdoor unit") upper
ceiling through iron pipe or other tube protection to avoid the damage by mouse and so on.

●

Do not add cord in the middle of line route (of power source, remote control and "between
indoor and outdoor unit") on outside of unit. If connecting point is flooded, it could cause
problem as for electric or communication. (In the case that it is necessary to set connecting
point on the way, perform thorough waterproof measurement.)

●

Do not connect the power source line [220V/240V/380V/415V] to signal side terminal block.
Otherwise, it could cause failure.

●

Screw the line to terminal block without any looseness, certainly.

●

Do not turn on the switch of power source, before all of line work is done.

●

Connection of the line ("Between indoor and outdoor unit", Earth and Remote control)

①

Remove lid of control box before connect the above lines, and connect the lines to terminal

block according to number pointed on label of terminal block.
In addition, pay enough attention to confirm the number to lines, because there is electrical
polarity except earth line. Furthermore, connect earth line to earth position of terminal block of
power source.

②

Install earth leakage breaker on power source line. In addition, select the type of breaker for
inverter circuit as earth leakage breaker.

③

If the function of selected earth leakage breaker is only for earth-fault protection, hand switch

(switch itself and type "B" fuse) or circuit breaker is required in series with the earth leakage
breaker.

④

Install isolator or disconnect switch on the power supply wiring in accordance with the local

codes and regulations

．

The isolator should be set in the box with key to prevent touching by another person when
servicing.

①

As for connecting method of power source, select from following connecting patterns. In principle, do

not directly connect power souce line to inside unit.

As for exceptional connecting method of power souce, discuss with the power provider of the
country with referring to technical documents, and follow its instruction.

②

For cable size and circuit breaker selection, refer to the outdoor unit installation manual.

①

Connect the same pairs number of terminal block "

①

②

and

③

"and " X and Y " between

master and slave indoor units.

②

Do the same address setting of all inside units belong to same refrigerant system by rotary

switch SW2 on indoor unit's PCB (Printed circuit board).

③

Set slave indoor unit as "slave 1" through "slave 3" by address switch SW5-1, 5-2 on PCB.

④

When the button on the remote control unit is pressed after turning on the power, an

indoor unit's address number will be displayed. Do not fail to confirm that the connected indoor
unit's numbers are displayed on the remote control unit by pressing the or button.

④

Avoid using multi-core cables to prevent malfunction.

⑤

Keep remote control line away from earth (frame or any metal of building).

⑥

Make sure to connect remote control line to the remote control and terminal block of indoor unit.
(No polarity)

In above setting, all plural indoor units will operate under same mode and temperature setting.

②

Connect all indoor units with 2 core remote control line.

③

Set unique remote control communication address from "0" to "F" to each inside unit by the
rotary switch SW2 on the indoor unit's PCB.

When indoor unit address number is displayed on remote control, pushing the (MODE)
button to make the indoor unit with that number blow air (Display example:" ")
Push the (MODE) button again to stop the operation.
However, this operation is invalid on the air-conditioning running.

A maximum of two remote control units can be connected to one indoor unit (or one group of
indoor units.)
The air conditioner operation follows the last operation of the remote control regardless of the
master/slave setting of it.
Acceptable combination is "two (2) wired remote controls", "one (1) wired remote control and
one (1) wireless kit" or "two (2) wireless kits".
Set SW1 (wired remote control) or SW1-2 (wireless kit) to "Slave" for the slave remote control
unit. It was factory set to "Master" for shipment.
Note:The setting "Remote control unit sensor enabled" is only selectable with the master remote

control unit in the position where you want to check room temperature.

●

Circuit breaker

Earth leakage breaker

Connecting line

Remote

control line

Power source line

Indoor-Outdoor

Connecting line

Remote

●

DO NOT install it on the following places

①

Places exposed to direct sunlight

②

Places near heat devices

③

High humidity places

④

Hot surface or cold surface enough to generate condensation

⑤

Places exposed to oil mist or steam directly.

⑥

Uneven surface

Operate the remote control unit as follows.
1. Starting a cooling test run.

①

Start the system by pressing the button.

②

Select “ (Cool)” with the (MODE) button.

③

Press the TEST button for 3 seconds or longer.

The screen display will switch to: “

”

④

When the (SET) button is pressed while “

” is indicated, a cooling test

run will start.
The screen display will switch to “ ”.

2. Ending a cooling test run.

Pressing the button, the (TEMP) button or (MODE) button will end a
cooling test run. (Cooling test run will end after 30 minutes pass.)
“ ” shown on the screen will go off.

Electrical wiring work must be performed by an electrician qualified by a local power provider according to
the electrical installation technical standards and interior wiring regulations applicable to the installation site.

Be sure to have the electrical wiring work done by qualified electrical installer,
and use exclusive circuit.

Power source with insufficient capacity and improper work can cause electric shock and fire.

Use specified wire for electrical wiring, fasten the wiring to the terminal securely,
and hold the cable securely in order not to apply unexpected stress on the terminal.

Loose connections or hold could result in abnormal heat generation or fire.

Arrange the electrical wires in the control box properly to prevent them from
rising. Fit the lid of the services panel property.

Improper fitting may cause abnormal heat and fire.

Use the genuine optional parts. And installation should be performed by a
specialist.

If you install the unit by yourself, it could cause water leakage, electric shock and fire.

Turn off the power source during servicing or inspection work.

If the power is supplied during servicing or inspection work, it could cause electric
shock and injury by the operating fan.

Perform earth wiring surely.

Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth
wiring. Improper earth could cause unit failure and electric shock or fire due to a short circuit.

Make sure to install earth leakage breaker on power source line.
(countermeasure thing to high harmonics.)

Absence of breaker could cause electric shock.

Do not use any materials other than a fuse of correct capacity where a fuse
should be used.

Connecting the circuit by wire or copper wire could cause unit failure and fire.

Do not turn off the power source immediately after stopping the operation.

Be sure to wait for more than 5 minutes. Otherwise it could cause water leakage or
breakdown.

Do not control the operation with the circuit breaker.

It could cause fire or water leakage. In addition, the fan may start operation
unexpectedly and it may cause injury.

Do not repair by yourself. And consult with the dealer about repair.

Improper repair may cause water leakage, electric shock or fire.

Consult the dealer or a specialist about removal of the air conditioner.

Improper installation may cause water leakage, electric shock or fire.

Shut off the power before electrical wiring work.

It could cause electric shock, unit failure and improper running.

Use the circuit breaker of correct capacity. Circuit breaker should be the one
that disconnect all poles under over current.

Using the incorrect one could cause the system failure and fire.

Earth leakage breaker must be installed.

If the earth leakage breaker is not installed, it could cause electric shocks or fire.

Use power source line of correct capacity.

Using incorrect capacity one could cause electric leak, abnormal heat generation and fire.

Read the “SAFETY PRECAUTIONS” carefully first of all and then strictly follow it during the
installation work in order to protect yourself.
The precautionary items mentioned below are distinguished into two levels,
and .
: Wrong installation would cause serious consequences such as injuries or death.
: Wrong installation might cause serious consequences depending on circumstances.
Both mentions the important items to protect your health and safety so strictly follow
them by any means.
The meanings of “Marks” used here are as shown on the right:

Accord with following items. Otherwise, there will be the risks of electric shock and
fire caused by overheating or short circuit.

①

Install remote control referring to the attached installation manual.

②

Wiring of remote control should use 0.3mm

2 core wires or cables.

The insulation thickness is 1mm or more. (on-site configuration)

③

Maximum prolongation of remote control wiring is 600 m.

If the prolongation is over 100m, change to the size below.
But, wiring in the remote control case should be under 0.5mm

. Change the wire size

outside of the case according to wire connecting. Waterproof treatment is necessary at the
wire connecting section. Be careful about contact failure.