Mitsubishi Heavy Industries SRK100VNXWZRF Bedienungsanleitung

Manual No.'22・PAC-SM-422

INVERTER PACKAGED AIR-CONDITIONERS

(Split system, air to air heat pump type)

Wi-Fi model

HYPER INVERTER

WALL MOUNTED TYPE

Single type

SRK100VNXWZRF

100VSXWZRF

MICRO INVERTER

WALL MOUNTED TYPE

Single type

SRK100VNAWZRF

100VSAWZRF

Twin type

SRK200VSAWPZRF

STANDARD INVERTER

WALL MOUNTED TYPE

Single type

SRK100VNPWZRF

SERVICE MANUAL

'22 • PAC-SM-422

TABLE OF CONTENTS

1. HYPER INVERTER PACKAGED AIR-CONDITIONERS ....................................... 2

2. MICRO INVERTER PACKAGED AIR-CONDITIONERS .......................................151

4. WIRELESS LAN INTERFACE SETTING MANUAL ............................................212

3. STANDARD INVERTER PACKAGED AIR-CONDITIONERS .............................185

5. APPICATION OPERATION MANUAL .................................................................223

'22 • PAC-SM-422

1. HYPER INVERTER PACKAGED AIR-CONDITIONERS

CONTENTS

1.1 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER................... 4

1.1.1 Remote control.......................................................................................... 4

1.1.2 Operation control function by the wired remote control....................... 7

1.1.3 Operation control function by the indoor control .................................. 10

(1) Unit ON/OFF button.................................................................................. 10

(2) Auto restart function.................................................................................. 10

(3) Auto swing control..................................................................................... 11

(4) Timer operation......................................................................................... 12

(5) Wireless LAN connection function ............................................................ 13

(6) Outline of heating or cooling operation ..................................................... 13

(7) Indoor fan motor protection....................................................................... 13

(8) Serial signal transmission error protection................................................ 13

(9) Plural unit control - Control of 16 units group by one remote control........ 13

(10) Filter sign .................................................................................................. 14

(11) Outline of automatic operation .................................................................. 14

(12) Frost prevention control ............................................................................ 15

(13) Dew prevention control ............................................................................ 15

(14) Outline of dehumidifying (DRY) operation ................................................ 16

1.1.4 Operation control function by the outdoor control............................... 17

(1) Determination of comressor speed .......................................................... 17

(2) Compressor start control........................................................................... 18

(3) Compressor soft start control.................................................................... 18

(4) Outdoor fan control ................................................................................... 19

(5) Defrost operation ...................................................................................... 21

(6)

Protective control/anomalous stop control by compressor’s number of revolutions

.... 22

(7) Silent mode............................................................................................... 26

(8) Test run ..................................................................................................... 26

(9) Pump-down control................................................................................... 26

(10) Base heater ON/OFF output control (Option) ........................................... 27

(11) Manual defrost .......................................................................................... 27

(12) Limit the number of compressor start ....................................................... 27

1.2 MAINTENANCE DATA .................................................................................... 28

1.2.1 Diagnosing of microcomputer circuit .................................................... 28

(1) Selfdiagnosis function............................................................................... 28

(2) Troubleshooting procedure ....................................................................... 33

(3) Troubleshooting at the indoor unit............................................................. 34

(4) Troubleshooting at the outdoor unit .......................................................... 39

(5) Check of anomalous operation data with the remote control.................... 57

(6)

Power transistor module (Including the driver PCB) inspection procedure

... 60

'22 • PAC-SM-422

(7) Inverter checker for diagnosis of inverter output....................................... 62

(8) Outdoor unit control failure diagnosis circuit diagram............................... 64

1.2.2 Troubleshooting flow ................................................................................ 70

(1) List of troubles........................................................................................... 70

(2) Troubleshooting ........................................................................................ 73

1.3 ELECTRICAL WIRING ....................................................................................147

(1) Indoor unit.................................................................................................147

(2) Outdoor units ............................................................................................148

1.4 PIPING SYSTEM .............................................................................................150

'22 • PAC-SM-422

'16 • PAC-T-251

① Run/Stop switch

② F1 switch③F2 switch

Touch panel system, which is operated by tapping the LCD screen with a finger, is employed

for any operations other than the ①Run/Stop, ②F1 and ③F2 switches.

One push on the button starts operation and

another push stops operation.

This switch starts operation that is set in F1/F2

function change.

④Operation lamp

This lamp lights in green (yellow-green) during

operation. It changes to red (orange) if any error

occurs.

Operation lamp luminance can be changed.

⑤LCD (with backlight)

A tap on the LCD lights the backlight.

The backlight turns off automatically if there is

no operation for certain period of time. Lighting

period of the backlight lighting can be changed.

If the backlight is ON setting, when the screen is

tapped while the backlight is turned off, the backlight

only is turned on. (Operations with switches ①,②

and ③are excluded.)

⑥USB port

USB connector (mini-B) allows connecting to a

personal computer.

For operating methods, refer to the instruction

manual attached to the software for personal

computer (remote control utility software).

Note When connecting to a personal computer, do not connect

simultaneously with other USB devices.

Please be sure to connect to the computer directly,without

going through a hub, etc.

Model RC-EX3A

1.10

OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

1.10.1 Remote control

(1) Wired remote control

P044-055.pdf 2017/03/17 13:53:02

⑤ LCD (with backlight)

③F2 switch

④Operation lamp

⑥USB port (mini-B)

①Run/Stop switch

②F1 switch

1.1 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

1.1.1 Remote control

(1) Wired remote control (Option parts)

Model RC-EX3A

'22 • PAC-SM-422

(1) Wired remote control

Model RC-E5

The figure below shows the remote control with the cover opened. Note that all the items that may be displayed in

the liquid crystal display area are shown in the figure for the sake of explanation.

Characters displayed with dots in the liquid crystal display area are abbreviated.

＊ All displays are described in the liguid crystal display for explanation.

The figure below shows the remote control with the cover opened.

Ventilaion display

Displayed during ventilation operation

Central control display

Displayed when the air conditioning system is

controlled by central control.

Timer operation display

Displays the timer operation setting.

Temperature setting buttons

These buttons are used to set the

temperature of the room.

Timer button

This button is used to set

the timer mode.

Timer setting buttons

These buttons are used to set

the timer mode and the time.

ESP button

This button is used to

select the auto static

pressure adjustment mode.

Cover

AIR CON No. button

Display the indoor unit number connected to this

remote control.

CHECK button

This button is used at servicing.

TEST button

This button is used during test operation.

Weekly timer display

Displays the settings of the

weekly timer.

Operation setting display area

Displays setting temperature, air flow

volume, operation mode and oparation

message.

Operation/check indicator light

During oparation: Lit in green

In case of error: Flashing in red

Operation/stop button

This button is used to operate and stop

the air-conditioning system.

Press the button once to operate the

system and press it once again to stop

the system.

MODE button

This button is used to change the

operation mode.

FAN SPEED button

This button is used to set the air flow

volume.

VENT button

This button is used to operate external

ventilator.

LOUVER button

This button is used to operate/stop the

swing louver.

SET button

●This button is used to fix the setting.

●This button is used to set the silent mode.

RESET button

●Press this button while making settings to go back to the

previous operation.

●This button is also used to reset the "FILTER CLEANING" display.

(Press it after cleaning the air filter)

Model RC-E5

'22 • PAC-SM-422

(2) Wireless remote control

Operation section

Unit display section

3D AUTO light (green)

Illuminates during 3D AUTO operation.

TIMER light (yellow)

Illuminates during TIMER operation.

This button can be used for turning on/off the unit when

a remote control is not available.

Remote control signal receiver

Unit ON/OFF button

•Illuminates during operation.

•

Blinks slowly when SELF CLEAN operation

(3 seconds ON, 1 second OFF).

Blinks when air flow is stopped to prevent

blowing out of cold air in heating operation.

(1.5 seconds ON, 0.5 seconds OFF).

RUN light blink quickly during invalid operation

mode.

HI POWER light (green)

Illuminates during HIGH POWER operation.

RUN light (green)

OPERATION MODE select button

Each time the button is pressed, the

mode changes.

ALLERGEN CLEAR button

This button selects ALLERGEN CLEAR

operation.

ON/OFF (luminous) button

Press to start operation, press again

to stop.

TEMPERATURE button

This button sets the room temperature. AIR FLOW (UP/DOWN) button

This button changes the air flow (up/

down) direction.

TIME SET UP switch

This switch is used for setting the time.

SLEEP button

This button selects SLEEP operation.

MENU switch

This switch selects the SELF CLEAN

operation, wireless LAN communication

setting, wireless LAN connection

setting and PRESET operation.

ON TIMER button

This button selects ON TIMER operation.

TIMER button

This button is used for setting the current

time and timer function.

ACL switch

This switch resets the program to default

state.

PROGRAM button

This button sets WEEKLY TIMER.

HI/ECO button

This button changes the HIGH POWER/

ECONOMY operation.

AIR FLOW (LEFT/RIGHT) button

This button changes the air flow (left/

right) direction.

SILENT button

This button sets the SILENT operation.

OFF TIMER button

This button selects OFF TIMER

operation.

WEEKLY button

This button switches the WEEKLY

TIMER to ON/OFF.

FAN SPEED button

Each time the button is pressed, the fan

speed changes.

3D AUTO button

This button sets 3D AUTO operation.

NIGHT SETBACK button

This button sets NIGHT SETBACK

operation.

SET/Child lock button

Use this button to set the timer and

Child lock.

CANCEL button

This button cancels the ON timer, OFF

timer, and SLEEP operation.

Transmission section

The above illustration shows all controls, but in practice

only the relevant parts are shown.

[View with the cover opened]

'22 • PAC-SM-422

1.1.2 Operation control function by the wired remote control

114

'16 • PAC-T-251

Service & Maintenance

Special settings

Indoor unit capacity display

Back

Select the item.

前ページ

Previous Back

Erase IU address

CPU reset

Restore of default setting

Touch panel calibration

Special settings

Select the item.

R/C function settings

Ventilation setting

Auto-restart

Auto temp setting

Back

Select the item.

Auto fan speed

② Auto-restart

Auto-restart

Back

Select the item.

Enable

Disable

1.10.2 Operation control function by the wired remote control

●Model RC-EX3A

(1) Switching sequence of the operation mode switches of remote control

(a) Tap the change operation mode button on the TOP screen.

(b) When the change operation mode screen is displayed, tap the button of desired mode.

Icons displayed have the following meanings.

Notes (1) Operation modes whichcannot be selected depending on combinations of indoor

unit and outdoor unit are not displayed.

(2) When the Auto is selected,the cooling and heating switching operation is performed

automatically according to indoor and outdoor temperatures.

(2) CPU reset

Reset CPU from the remote control as follows.

TOP screen Menu Service setting Service & Maintenance Service password

The selected screen is

displayed.

The selected screen is

displayed.

① Service & Maintenance #2 ②Special settings

⇒ ⇒ ⇒

CPU reset

Microcomputers of indoor unit and outdoor unit connected are reset

(State of restoration after power failure).

(3) Power failure compensation function (Electric power source failure)

Enable the Auto-restart function from the remote control as follows.

TOP screen Menu ⇒ Service setting ⇒ R/C function settings Service password

⇒

①

R/C function settings menu #3

If the unit stops during operation,

It returns to the state before the power failure as soon as the power

source is restored (After the end of the primary control at the power

on).

It stops after the restoration of power source.

Enable

Disable

●Since the status of remote control is retained in memory always, it restarts operations according to the contents of memory

as soon as the power source is restored. Although the timer mode is cancelled, the weeklytimer, peakcut timerand silent

mode timer operate according to the following contents:

・When the clock setting is valid : These timer settings are also valid.

・When the clock setting is invalid : These timer settings become “Invalid” since the clock setting is invalid.

These timer settings have to be changed to “Valid” after the timer setting.

Cooling Fan

Dry Heating

Auto

(1) Switching sequence of the operation mode switches of remote control

(2) CPU reset

(3) Power failure compensation function (Electric power source failure)

●

Model RC-EX3A

'22 • PAC-SM-422

Clock setting check screen

Misconnection screen

●Content memorized with the power failure compensation are as follows.

Note(1) Items (f) and (g) are memorized regardless whether the power failure compensation is effective or not while the setting of silent mode is cancelled

regardless whether the power failure compensation is effective or not.

(a) At power failure – Operating/stopped

If it had been operating under the off timer mode, sleep timer mode, the state of stop is memorized.

(b) Operation mode

(d) Room temperature setting

(e) Louver auto swing/stop

However, the stop position (4-position) is cancelled so that it returns to Position (1).

(f) “Remote control function items” which have been set with the administrator or installation function settings

(“Indoor function items” are saved in the memory of indoor unit.)

(g) Weekly timer, peak-cut timer or silent mode timer settings

(h) Remote control function setting

Please check the I/U

Set clock first on the initializing

screen & set the timer.

Other than A/C is connected

(4) Alert displays

If the following (a) to (c) appear, check and repair as follows.

Communication check screen ●This appears if communications cannot be established between the remote

control and the indoor unit.

Check whether the system is correctly connected (indoor unit, outdoor unit,

remote control) and whether the power source for the outdoor unit is connected.

●This appears when the timer settings are done without clock setting.

Set the clock setting before the timer settings.

●This appears when something other than the air-conditioner has been connected to the remote

control.

Check the location to which the remote control is connected.

(a) Communication check between indoor unit and remote control

(b) Clock setting check

) Misconnection

(4) Alert displays

'22 • PAC-SM-422

●

Model RC-E5

(1) Switching sequence of the operation mode switches of remote control

DRY COOL FA N HEAT AUTO

(2) CPU reset

This functions when “CHECK” and “ESP” buttons on the remote control are pressed simultaneously. Operation is same as

that of the power source reset.

(3) Power failure compensation function (Electric power source failure)

• This becomes effective if “Power failure compensation effective” is selected with the setting of remote control function.

• Since it memorizes always the condition of remote control, it starts operation according to the contents of memory no

sooner than normal state is recovered after the power failure. Although the auto swing stop position and the timer mode

are cancelled, the weekly timer setting is restored with the holiday setting for all weekdays.

After recovering from the power failure, it readjusts the clock and resets the holiday setting for each weekday so that

the setting of weekly timer becomes effective.

• Content memorized with the power failure compensation are as follows.

Note (1) Items (f), (g) and (h) are memorized regardless whether the power failure compensation is effective or not while the setting of silent mode is

cancelled regardless whether the power failure compensation is effective or not.

(a) At power failure – Operating/stopped

If it had been operating under the off timer mode, sleep timer mode, the state of stop is memorized. (Although

the timer mode is cancelled at the recovery from power failure, the setting of weekly timer is changed to the

holiday setting for all weekdays.)

(b) Operation mode

(c) Airowvolumemode

(d) Room temperature setting

(e) Louver auto swing/stop

However, the stop position (4-position) is cancelled so that it returns to Position (1).

(f) “Remote control function items” which have been set with the remote control function setting (“Indoor

function items” are saved in the memory of indoor unit.)

(g) Upper limit value and lower limit value which have been set with the temperature setting control

(h) Sleep timer and weekly timer settings (Other timer settings are not memorized.)

[Parts layout on remote control PCB]

Master/ slave setting when more than one remote controls are used

A maximum of two remote controls can be connected to one indoor unit (or one group of indoor units.)

Remote control cord (no polarity)

Remote control

SW1 "Master"

Switch Setting Contents

M Master remote control

SW1 S Slave remote control

Remote control

SW1 "Slave"

Indoor units

Note (1) Don’t change SW2 because it is not used normally.

Caution

When using multiple remote controls, the following dispiays or settings

cannot be done with the slave remote control. It is available only with

the master remote control.

　Louver position setting (set upper or lower limit of swinging range)

　Setting indoor unit functions

　Setting temperature range

　Operation data display

　Error data display

　Silent mode setting

　Test operation of drain pump

　Remote control sensor setting

SW2

SW1

親

子

SW1

SW2

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