Mitsubishi Electric MHK2 Manuale utente

RedLINK™ Wireless

Remote Controller Kit

Installation Manual

MHK2:

MRCH2 Controller, MIFH2

Receiver, and MRC2 Cable

DISCONNECT POWER BEFORE BEGINNING INSTALLATION.

Can cause electrical shock or equipment damage.

Must be installed by a trained, experienced technician.

Read these instructions carefully. Failure to follow these instructions can damage the product or cause a

hazardous condition.

Installation at a Glance

This manual covers the installation and setup of the MHK2 Remote Controller with Mitsubishi Electric

indoor units.

Before you begin, you must attach the cable to the CN105 connector on the indoor unit control

board, then follow the steps in this document.

Note: Remote Controllers are linked to specific indoor units. Each indoor unit must have a

dedicated Remote Controller and Wireless Receiver.

Note: Your device's PIN code is your date code added to 1234. For example, a date code of

2010 plus 1234 would give you a device PIN of 3244.

https://mhk2.meushvac.com/

1-800-433-4822

MHK2 is compatible

with kumo cloud®when

connected with the Wireless

Interface 2 or later. RedLINK

Technology

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Table of Contents

Mounting Wall Plate...................................................................................................................3

Install Batteries..........................................................................................................................3

Mounting MHK2 RedLINK™ Wireless Remote Controller....................................................3

Optional Decorative Cover Plate Installation.........................................................................4

Install Cable and RedLINK™ Wireless Receiver...................................................................4

Link All Devices to RedLINK™ Network.................................................................................5

Indoor Air Sensor (IAS) ............................................................................................................5

Link Remote Controller to RedLINK™ Receiver ...................................................................6

Exit RedLINK™ Setup...............................................................................................................6

Initial Installer Setup .................................................................................................................7

Installer Setup – Advanced Menu (After Initial Installation)................................................7

Advanced Menu Options ..............................................................................................................7

M-Series & P-Series Indoor Unit Function Codes.................................................................8

Installer Setup Options (ISU) – Advanced Menu...................................................................10

Static Pressure Settings...........................................................................................................12

PEAD-AA......................................................................................................................................12

SEZ...............................................................................................................................................12

SVZ - Vertical, Horizontal Left & Right.........................................................................................12

SVZ -Downflow.............................................................................................................................12

PVA - Vertical, Horizontal Left & Right .........................................................................................12

PVA - Downflow............................................................................................................................12

Vane Settings .............................................................................................................................12

Mode No. 11 .................................................................................................................................12

Performing a System Test ........................................................................................................13

kumo cloud® ..............................................................................................................................13

Automatic Setting of Time Provided by the Wireless Interface ..........................................13

Key Features...............................................................................................................................14

RedLINK™ Error Codes............................................................................................................15

Replacing System Components ..............................................................................................15

RedLINK™ Wireless Remote Controller ......................................................................................15

RedLINK™ Wireless Receiver .....................................................................................................15

Regulatory Information.............................................................................................................16

Read Before Installing

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1 2

Mounting Wall Plate

1. Open package to find the Wall Plate. See Figure 1.

2. Position the Wall Plate on the wall. Level and mark

hole positions. See Figure 2.

Drill holes at marked positions, and then lightly tap

supplied wall anchors into wall using a hammer.

‒ Drill 7/32” holes for drywall.

3. Place the Wall Plate over the wall anchors. Insert and

tighten mounting screws supplied with the Wall Plate.

Do not overtighten. Tighten until the Wall Plate no

longer moves. See Figure 3.

Use 3x supplied

screws #8 1-1/2”

1 Align the Wall Plate with the MHK2 Controller and

push gently until the MHK2 snaps in place.

2 If needed, gently pull to remove the MHK2 Controller

from the Wall Plate.

Note: Avoid locations where there are air drafts

(top of staircase, air outlet), dead air spots

(behind a door), direct sunlight or concealed

chimney or stove pipes.

Install Batteries

Insert AA batteries

Mounting MHK2 RedLINK™ Wireless Remote Controller

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Optional Decorative Cover Plate Installation

Use the Optional Cover Plate when:

• Mounting the controller to an electrical junction box

• Or when you need to cover paint gaps from the old

controller.

4. Separate the Junction Box Adapter from the Cover

Plate. See Figure 4.

5. Mount the Junction Box Adapter to the wall or an

electrical box using any of the eight screw holes.

Insert and tighten mounting screws supplied with

Cover Plate Kit. Do not overtighten. Make sure the

Adapter Plate is level. See Figure 5.

6. Attach the Wall Plate by hanging it on the top hook

of the Junction Box Adapter and then snapping the

bottom of the Wall Plate in place. See Figure 6.

7. Snap the Cover Plate onto the Junction Box Adapter.

See Figure 7.

Use 2x

supplied

screws #6

5/8”

Install Cable and RedLINK™ Wireless Receiver

Note: If you are using a Mitsubishi Electric Wireless

Interface 2 with the kumo cloud®app, please refer to

"kumo cloud®" on page 13.

1. Connect MRC2 cable to the CN105 connector on the

control board in the indoor unit.

2. Route MRC2 cable outside the electrical box and to

the preferred install location of the RedLINK Wireless

Receiver.

3. Attach the 5 pin connector to the Wireless Receiver.

Notes:

• Do not cut or modify the cable.

• Do not block vents on the indoor units.

4. Mount Wireless Receiver next to the indoor unit shown

in the orientations below or, for units that have them,

inside the indoor unit's Wireless Interface pocket.

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Link All Devices to RedLINK™ Network

Note: The receiver does not have a power status light.

Please make sure the indoor unit has been powered up.

1. Press and release the CONNECT button.

2. If the CONNECT light does not flash, another receiver or

a RedLINK™ Wireless Receiver may be in wireless setup

mode. Exit wireless setup at the other device.

3. Be sure to only have one unit in wireless setup mode at a

time and complete setup before connecting another MHK2

and unit.

Connect LED:

• Flashing Green: In wireless setup mode.

• Fast Flashing Green: In the process of pairing.

• Solid Green: At least one RedLINK™ device is enrolled

onto the receiver.

• Amber: Please wait.

• Red: RedLINK™ device is not communicating.

• Off: No RedLINK™ devices are enrolled onto the receiver.

Notes:

• The flashing status light times out after 15 minutes of

inactivity. Press CONNECT again if necessary.

• The RedLINK™ connection has been securely

established once you see the solid green light.

1. Press and release the CONNECT button on the receiver.

2. Make sure the receiver is in wireless setup mode (connect LED is slowly flashing green). If the

CONNECT light does not flash, another receiver or a RedLINK™ Wireless Receiver may be in

wireless setup mode. Exit wireless setup mode at the other device.

3. Press and release the CONNECT button on the IAS.

4. When pairing starts, the CONNECT lights on the IAS and the receiver will both be fast flashing

green.

5. After successfully completing enrollment, the CONNECT light on the IAS will be solid green for a

short period of time and then turn off.

6. Check for the IAS option in the temperature source and humidity source from the controller.

Notes:

• Your controller can only use one IAS.

• When the IAS light is solid red, it may have failed to enroll or has disconnected. Please

reenroll and check the distance between the IAS and the receiver.

Indoor Air Sensor (IAS)

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Link Remote Controller to RedLINK™ Receiver

Note: In most homes, the Remote Controller can

connect at distances of 200 feet. Try to avoid walls

or other blockages, but they should not affect

RedLINK signal.

1. Press SELECT to establish a link to the RedLINK™

receiver.

2. In less than 30 seconds, the link between the MHK2

Controller and RedLINK receiver will be established;

showing "Success" on the display.

3. Press DONE to display the home screen.

4. The MHK2 Controller will display a "WAIT" screen

while it receives data from the indoor unit. While on the

"WAIT" screen:

• If the controller shows the RedLINK™

disconnected icon at the top-right, the

controller has lost connection with the receiver.

• If the controller shows the RedLINK™ connected

icon , the controller is connected to the receiver.

• To unenroll the receiver, press and hold the

bottom-center of the controller's screen for

5 seconds. The controller will then unenroll all

RedLINK™ connections.

Exit RedLINK™ Setup

Press and release the CONNECT button on the RedLINK™ receiver to exit wireless setup (light

should stop flashing and remain solid).

Note: The RedLINK™ Wireless Receiver will automatically exit wireless setup after 15

minutes of inactivity.

Note: If installing more than one receiver, you must exit RedLINK™ setup on the previous

receiver before attempting wireless setup of subsequent controllers/receivers.

CONNECT RECE CONNECTING

SUCCESS

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Unenroll Device:

Remove a connected

receiver or controller.

Reset: Access all reset

options on the MHK2

Controller. This is the

only place to access factory reset.

Alert History: Alert History saves the

last 25 alerts. Once the list is full, the

oldest alert will be kicked out.

Initial Installer Setup

After the MHK2 Controller has communicated

with the indoor unit correctly, MHK2 Controller will

change from the "Wait" screen to the "Initial Installer

Setup" screen and show START SETUP.

1. The MHK2 will search for support of indoor unit

function codes. If it finds indoor unit support, the

controller will load the Function Code setup. If

the controller does not find indoor unit support,

the controller will load the Installer Set Up (ISU).

See page 10 for a full list of ISU options.

2. Touch or to toggle between Function

Code/ISU options.

3. Touch Edit or touch the text area, and then

touch or to edit default setup options.

4. Touch Done or touch the text area to confirm the

setting or press Cancel.

5. Touch or to continue to setup another ISU

option.

6. To finish setup and save your settings, scroll to

the FINISH SETUP screen at the end of the ISU

list.

Note: To see a list of all setup parameters,

go to "Installer Setup Options (ISU) –

Advanced Menu" on page 10. The MHK2

Controller displays the ISU name and the

ISU number.

Edit ISU

ISU #

ISU option blinking

Cancels ISU option

selection, go back to

view ISU

Arrow buttons

used to scroll

through ISU

options

Saves selected ISU

option moves on to

the next ISU screen

View ISU

ISU option and

name (scrolling) Arrow buttons

used to scroll

through ISUs

Installer Setup – Advanced Menu (After Initial Installation)

Advanced Menu Options

Function Codes: This is used to access the device

Function Code settings.

Device Setup: This is used to access the device

ISU settings.

Screen Lock: The controller touch screen can be

set to partially or fully lock. Partial lock allows tem-

porary overrides. Full lock will not allow any over-

rides. You will always have the option to unlock the

device.

System Test: Test the wireless communications or

heating and cooling equipment.

To access the advanced menu, press and hold the Menu button for 5 seconds.

Touch or to go through the options in the advanced menu.

Home

HeatHeat Auto

VaneVane

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M-Series & P-Series Indoor Unit Function Codes

Mode # Indoor Unit Compatibility Function Setting # Settings

1All Power Failure Auto Recovery 1Not available (OFF)

2 *1-1 Available (ON ) approximately 4 minute delay

2All Indoor Temperature Detection

1Average data from all unit

2Return air

3 *2-1 Remote Controller

3All Lossnay Connectivity

1Not supported

2IDU does not intake OA through Lossnay

3IDU does intake OA through Lossnay

4All Power Supply Voltage 1230 volt

2208 volt

5PEAD Auto Mode 1Energy saving cycle automatically enabled

2Energy saving cycle automatically disabled

7All Filter Sign

1100 hours

22500 hours

3No filter sign indicator

*D SLZ/PLA

PCA/PKA Air Flow (Fan Speed)

1Quiet

2Standard

3High ceiling

*D SEZ/SVZ/PEAD/PVA Static Settings See "Static Pressure Settings" on page 12.

9PLA Number of Air Outlets

14 directions or all 4

23 directions or just 3

32 directions or just 2

*D PLA

PCA High Performance Filter Also Static

Settings 1Not supported

2Supported

*D SEZ/SVZ/PEAD/PVA Static Settings See "Static Pressure Settings" on page 12.

*D PLA Horizontal Vane Setting

1Downward setting (vanes angle setup 3)

2Middle setting (vanes angle setup 1)

Draft less setting (vanes angle setup 2) *11

*D SLZ

PCA Horizontal Vane Setting

1No setting

2Draft less setting (vane angle setup 1)

Downward setting (vanes angle setup 2)

*D SVZ/PEAD/PVA Heater Control (Used with Mode 23) 1No heater present

2Heater available

12 SLZ-KF/

PLA-A__EA7 3-D i-See Sensor Positioning

*12-1 *12-2

1Position 1

2Position 2

3Position 3

13 SVZ/PVA Optional Humidifier 1Not supported

2Supported

14 PLA

PCA/PKA Vane Differential Setting in Heating Mode

(Cold Wind Prevention)

175-82 °F TH5

282-90 °F TH5

390-100 °F TH5

15 SLZ/PLA

SEZ/SVZ/PEAD

PCA/PKA Frost Prevention Temp 1(2 °C) 36 °F

2(3 °C) 37 °F

Note: Default settings for Function Codes 1-28 are automatically determined by the HVAC equipment. It may take up to 40 seconds to

enter setup and 30 seconds to exit setup. Please refer to the indoor unit manual for unit specific function codes and the description of their

values. A summary is shown in the following tables.

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Mode # Indoor Unit Compatibility Function Setting # Settings

16 SVZ/PVA Humidifier Control 1With compressor only

2In Heat mode all the time

17 PLA

PCA/PKA Change of Defrosting Control 1Standard

2High humidity

*D PLA-BA Vane Swing 1Swing

2Wave air flow

*D PCA/PKA Vane Swing 1Not available (OFF)

2Available (ON)

*D SLZ

SEZ Heater Control *23-1 1Set temp -4.5 °F ON

2Set temp -1.8 °F ON

*D SVZ/PEAD/PVA Heater Control *23-1 1Disable heater during Defrost/Error

2Enable heater during defrost and error *23-2

24 SLZ/PLA

SEZ/SVZ/PEAD

PCA/PKA *24-1 Heating Height Offset 4 1Available (ON) 4 °C (7.2 °F) up

2Not available (OFF)

25 SLZ/PLA

SEZ/SVZ/PEAD/PVA

PCA/PKA Fan Speed Thermo-Off Heating

1Extra low

2Stop

3RC setting

*D SLZ-KF/PLA-A__EA7 3D i-See Sensor Height Offset Setting

*12-1 *12-2

1Low (less than 8.9 feet)

2Standard (8.9 to 11.5)

3High (11.5 to 14.8)

*D SVZ Erv Control 1IDU STOP, fan speed STOP, and CN2C is OFF

2IDU STOP, fan speed is RC Setting, and CN2C is ON

27 SLZ/PLA

SEZ/SVZ/PEAD

PCA/PKA Fan Speed Thermo-Off Cooling

1RC setting

2Stop

3Extra Low *27-1

28 SLZ/PLA

SEZ/SVZ/PEAD

PCA/PKA

Detection of Abnormal of the Pipe

Temperature (P8)

1Available (ON)

2Not Available (OFF)

M-Series & P-Series Indoor Unit Function Codes

Notes:

*D Duplicate code with multiple settings for different indoor unit types.

*1-1 When the power supply returns, the air conditioner will start 3 minutes or 1 minute later (hinge on outdoor unit).

*2-1 Can be set only when a wired or RedLINK Remote Controller is used.

*11 Because condensation may form, do not use this setting in a high-temperature, high-humidity environment.

*12-1 Cassette must have 3D i-See Sensor installed to operate, refer to install manual.

*12-2 When the 3D i-See Sensor corner panel position is changed, change this mode.

*23-1 For the detail of heater control, refer to the service manual.

*23-2 Heater will only operate during a communication error between indoor unit and outdoor unit.

*24-1 PKA-HA(L)/KA(L): 3.6°F (2°C) up.

*27-1 Only SLZ and PLA are able to set this setting.

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Installer Setup Options (ISU) – Advanced Menu

ISU # ISU Name ISU Options (defaults in bold) Notes

134 Central Controller

Present • Not installed

• Installed

The control determines the correct setting based on whether the central controller was

linked to the system. If the central controller is installed in the system, then the device

will function as a non-programmable device and only single setpoint will be supported.

139 Fahrenheit

Celsius • Fahrenheit

• Celsius

142 System Type • Heat pump (Heat & Cool)

• Cool only The control determines the correct setting based on the equipment the receiver is

plugged into.

144 Auto Changeover

• Manual Changeover (MANUAL)

• Auto Changeover (ACO)

• Auto Changeover Single Setpoint

(Single SP)

If ACO is selected, system mode options will be Heat, Off, Cool, and Auto.

If MANUAL is selected, AUTO mode is disabled during operation and not selectable by

the user.

This ISU setting is not shown when ISU 134 is set to INSTALLED or ISU 142 is set to

COOL ONLY.

MANUAL and ACO settings are shown if ISU 134 is set to NOT INSTALLED. SINGLE SP is

defaulted if ISU 134 is set to INSTALLED.

MANUAL and ACO options are suitable for use with kumo cloud®and a Wireless Interface.

145 Deadband • 3to 8 °F (in 1 °F increments)

• 2.0 to 4.5 ° C (in .5 °C increments) This ISU is shown if Auto Changeover (ACO) is selected.

146 Drying Mode • Disabled

• Enabled This ISU is shown if dry mode is supported by the indoor unit.

150 Schedule Owner

• The MHK2 alone can be used to

establish a schedule

• kumo cloud®alone can be used to

establish a schedule

This ISU is not shown if the MHK2 is NOT connected to a Wireless Interface 2 or later

model.

151 Schedule Type

• No schedule

• Mo-Su

• Mo-Fr/Sa-Su

• Mo-Fr/Sa/Su

• M/T/W/T/F/S/S

152 Schedule Off Periods • Disabled

• Enabled If disabled, Schedule Power Off in schedule mode cannot be used.

153 Residential/

Commercial

Schedule

• Residential

• Commercial

When set for Residential, the schedule periods are Wake, Leave, Return, Sleep. When set

for Commercial, the schedule options are Occupied and Unoccupied.

161 Lockout System On • Disabled

• Enabled

If enabled, the controller will show a lock symbol at the bottom of the screen and not

allow the user to adjust the mode from off to on. If the user attempts to adjust the mode

from off to on, the lock symbol will flash. This will keep the Remote Controller from turn-

ing on the equipment. The equipment will need to be remotely turned on.

162 Lockout System Off • Disabled

• Enabled If enabled, the controller will show a lock symbol at the bottom of the screen and not

allow the user to adjust the mode from on to off.

163 Lockout Mode • Disabled

• Enabled

If enabled, the controller will show a lock symbol at the bottom of the screen and not

allow the user to adjust the mode from the current mode to any other mode, except for

Off. If the user attempts to adjust the mode, the lock symbol will flash. The user will still

be able to turn the unit on and off only.

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