Ademco MRCH2 User Manual

33-00446EFS-01

Controller Kit Installation Manual

controller

MHK2

Installation guide for:

• Wireless Receiver and Cable

• Remote Controller

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 document covers linking and installation procedures for the Mitsubishi Ducted Systems' RedLINK™ control devices.

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.

Remote

controller

Wireless

receiver

Remote controllers are linked to specific indoor units. Each indoor unit must have a dedicated remote controller and wireless receiver.

M32309A

Suwanee, G A 30024 All R ights Re served .

The three diamond logo is a registered trademark

of Mitsubishi Electric Corporation

www.mitsubishipro.com

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.

Install batteries

Insert AA batteries

1 2

Use 3x supplied

screws #8 1-1/2”

Mounting MHK2 Controller

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.

Optional Decorative Cover Plate installation

MCR31400

Use the Optional Cover Plate when you need to cover paint gap from the old control.

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 receiver

1. Before mounting indoor unit, connect cable to the 5-pin CN105 connector on the control board in the indoor unit.

2. Mount indoor unit. Route cable to preferred location of the wireless receiver.

3. Attach the 5 pin connector to the receiver.

4. Push the excess cable back through the indoor unit or behind the wireless receiver. Do not cut or modify the cable. Use zip tie connections on back of receiver if needed.

5. Mount wireless receiver next to the indoor unit (see below) or in a remote location.

Mount in the orientations shown. Do not block vents.

UPDATE

IMAGE

Link all devices to wireless network

1. Press and release the CONNECT button.

2. If CONNECT light does not flash, another receiver or RedLINK wireless adapter may be in wireless setup mode. Exit wireless setup at the other device.

CONNECT LED

• Flashing Green: In wireless setup mode.

• Solid Green: At least one Redlink device is enrolled onto the receiver.

• Yello w: Please wait.

• Red: RedLINK device is not communicating.

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

Flashing status light times out after 15 minutes of inactivity. Press CONNECT again if necessary.

Link remote controller to wireless network

1. Press CONNECT to establish a link to the wireless network.

2. After a brief pause, the confirmation screen at right should be displayed to verify that the wireless connection has been established.

3. Press DONE to display the home screen.

4. The MHK2 Controller will display a "WAIT" screen while it receives data from the air conditioner. 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 waiting for the air conditioning to connect.

• To unenroll the receiver, press and hold the bottom-center of the controller's screen for 5 seconds. The controller will then be unenrolled regardless if the receiver is on or off.

CONNECT RECE CONNECTING

SUCCESS

Exit wireless setup

Press and release the CONNECT button at the wireless receiver to exit wireless setup (light should stop flashing and remain solid). Replace cover on wireless receiver.

Note: The wireless receiver will automatically exit wireless setup after 15 minutes of inactivity.

Note: If installing more than one receiver, you must exit wireless setup on previous receiver before attempting wireless setup of subsequent controllers/receivers.

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