Lennox M0STAT120N-1 Manuale utente

INSTALLATION AND USER

INFORMATION GUIDE

Dallas, Texas, USA

M0STAT120N-1 Indoor

Wired Programmable

Controller

CONTROLS

508332-01 6/2023

THIS MANUAL MUST BE LEFT WITH

THE OWNER FOR FUTURE REFERENCE

WARNING

Improper installation, adjustment, alteration,

service or maintenance can cause property

damage, personal injury, or loss of life.

Installation and service must be performed

by a licensed professional HVAC installer

(or equivalent) or a service agency.

CAUTION

As with any mechanical equipment, contact

with sharp sheet metal edges can result in

personal injury. Use caution while handling

this equipment. Wear gloves and protective

clothing.

IMPORTANT

Frequent changes to operating mode may

cause system malfunctions. Allow at least

one minute between mode changes to allow

the system to stabilize.

Table of Contents

General ..........................................................3

Requirements................................................3

Shipping and Packing List...........................3

Product Overview.........................................4

Product Features..........................................4

Product Dimensions.....................................5

Back Plate Removal .....................................5

Installing Back Plate.....................................6

Making Connections ....................................6

Cable Connection Illustration................ 6

Reattach the Top Panel ................................8

Buttons and Functions ................................8

Buttons and Functions .......................... 8

Wired Controller Indicators .......................10

Operations

Set Time and Date................11

Lock Function.......................................11

Louver Swing Function ........................11

Units with Up/Down and Left/Right

Swing Functions Only .....................................11

Units with Up/Down Swing Functions Only.....11

Units with Four Up-Down Louvers ................. 12

Selecting System Mode ...................... 12

Selecting Turbo Feature...................... 12

Intelligent Eye Display......................... 12

Filter Reset.......................................... 13

Humidity Setting Function................... 13

GEAR Function................................... 13

Fan Speed Setting .............................. 14

Step-Less Speed Regulation (if supported) ... 14

Room Temperature Settings........................... 14

Timer Function .................................... 14

To Set the ON or OFF TIMER ........................ 14

Weekly Timer 1 or 2 ....................................... 15

To Activate or Deactivate the Weekly Timer ... 15

Turning OFF Cooling or Heating while

the Timer is Active.......................................... 16

To Set Day Off for Holiday.............................. 16

Delay Function ............................................... 16

Copying Day Setting ...................................... 17

Electric Heat

(MMA Units with Auxillary Heat Only) . 17

General

The M0STAT120N-1 is a wired programmable

local controller for mini-split indoor units with

convenient timed schedules for daily operation.

These instructions are intended as a general

guide and do not supersede local codes in any

way. Consult authorities having jurisdiction

before installation.

Requirements

Verify the power supply has been turned o󰀨

before beginning installation. This controller

should be used only as described in this

manual.

Do not install the controller on exterior walls

(where there is unconditioned space on

opposite side of wall) or in locations where

direct sunlight may be present.

Shipping and Packing List

Item Qty

Wired Controller 1

Battery 1

Connection Cable D for MWMC,

MWHB, and MWCB wall mounted

models.

Connection Cable for MMDA/B,

MCFA/B, M22A and M33A/B/C

indoor units

Item Qty

Installation and User Information

Guide 1

Screws for securing back plate to

drywall (M3.9*25) 3

Drywall anchors for securing back

plate 3

4-pin extension cable assembly -

20 Feet (6 meters) 1

Ground screw for extension cable

(M4x8) 1

Product Overview

• Wired programmable local controller for

mini-split indoor units with convenient timed

schedules for daily operation

• Weekly timers (2), 7-day timer, up to 8

scheduled events per day

• Schedule start time, mode, set point, and

fan speed

• Compatible with all indoor units

• Copy/paste function for easy duplication of

events to other days

• Built-in system diagnostics

• Dimensions (H x W x D) - 4-3/4 x 4-3/4 x

7/8 inches (83 x 83 x 22 mm)

• 3-1/2 inch (89 mm) back-lit LCD display

screen

• Adapter cables are furnished for various

indoor unit connections

• Maximum cable length using multiple exten-

sion cables (sold separately) is 164 feet (50

meters)

• Hardware for mounting furnished

• Power Supply: 12 VDC

• Audible tone when a button is pressed (can

be disabled)

• Lock function disables buttons to prevent

tampering

Product Features

• Active Clean - Washes away dust, mold,

and grease that may cause odors when it

adheres to the indoor coil by automatically

freezing and then rapidly thawing the coil.

After 20 to 45 minutes the unit will automati-

cally cancel the operation

NOTE: Only available in COOL or DRY

modes.

• Breeze Away - Unavailable feature on U.S.

models.

• ECO - Controls temperature/energy e󰀩-

ciency of the unit. Only available in Cooling

mode.

• Follow Me - Allows remote temperature

sensing of the room at the remote controller

location

• GEAR - Reduces electrical consumption to

75% or 50%

NOTE: Only available in COOL or DRY

modes.

• Breezeless - Unavailable feature on U.S.

models.

• Intelligent Eye Display (Single Zone)

Automatically detects human activity in the

room. If there is no activity for 30 minutes,

the sensor reduces compressor operating

frequency in cooling mode for increased

e󰀩ciency. The Intelligent Eye only functions

in the cooling mode and will cancel when

the unit switches to any other mode. This

feature is not available for multi-zone

systems.

• Purify - Unavailable feature on U.S.

models.

• Rotation - Unavailable feature on U.S.

models.

• Sleep - Enables the system to automati-

cally increase cooling or decrease heating

(in 2°F increments) per hour for the rst 2

hours, then maintain a steady temperature

for 5 hours

• Turbo - Enables the unit to reach the

preset temperature during colling or heating

operation in the shortest time.

Product Dimensions

4-3/4” (120mm)

3/4” (20mm)

Figure 1. Product Dimensions

Back Plate Removal

1. Insert a at-head screwdriver into the

slot located in the lower section of the

back plate.

2. Rotate the screwdriver to remove the

back plate.

IMPORTANT

The printed circuit board (PCB) is located

in the upper section of the remote

control. Avoid damaging the PCB with the

screwdriver.

3. Remove the back plate.

Back cover

Prying

position

Figure 2. Back Plate Removal

Installing Back Plate

When installing the back plate to a at drywall

surface, use the provided screws for securing

the back plate to the drywall (ST3.9*25). Wall

anchors are provided for use, if necessary.

IMPORTANT

Always install the back plate on a at

surface. Do not distort back plate by over-

tightening the mounting screws.

3 screws (ST3.9*25)

Figure 3. Securing Back Plate to

Drywall

Making Connections

Cable Connection Illustration

1. Connect the controller 4-pin shielded

cable assembly to the 4-pin shielded

extension cable.

2. Connect the 4-pin shielded extension

cable to the adapter board, which

connects to the display board.

4-core wire

Adaptor board

Display board

The connection cable A

XYE5V/12V

White

Yellow Brown

Red

The connection cable D

Figure 4. Connection Cable D for

MWMC, MWHB, and MWCB Wall

Mounted Models

4-core wire The connective wires group

shielded wire(some units)

Mainboard

Figure 5. Connection Cable for

MMDA/B, MCFA/B, M22A and M33A/

B/C Indoor Units

HA HB

HAHB

Indoor Unit

Wired Controller

Figure 6. Cable Connection for MMA

Air Handlers

Figure 6 shows one controller wired to an

indoor unit. The HA and HB terminals on the

controller connects to the HA and HB terminals

on the indoor unit.

HA HB

HAHB

Indoor Unit

Wired Controller 1

Wired Controller 2

Figure 7. Cable Connection for MMA

Air Handlers (Two Controllers)

Figure 7 shows two controllers wired to one

unit. The wired controllers connect to the unit’s

HA and HB ports via the HA and HB port on the

controller. The Dual Control function enables

two controllers to issue commands to the

indoor unit.

Battery Installation

Install the provided Lithium CR3032 battery

into battery slot.

Insert Battery with

postive side in up

position

Figure 8. Cable Assembly Connections

Reattach the Top Panel

Figure 9. Reattaching Top Panel

Buttons and Functions

1. FAN SPEED Button

2. MODE Button

Press the Mode button to scroll through

available operation modes (Auto / Cool / Dry

/ Heat / Fan).

3. FUNCTION Button

Scrolls through unit operations in this order:

• Turbo

• Sleep

• Follow Me

4. SWING Button

Used to stop or start louver auto swing feature

5. UP/DOWN Buttons

Increase or decrease the indoor temperature in

1ºF (0.5ºC degree increments). The maximum

86°F (30°C) and minimum depends on the

outdoor unit.

• For MWMC/MWHB/MWCB/M33C the

minimum is 60ºF (15.5ºC).

• For MMDB/A, MCFA/B and M22A the mini-

mum is 62°F (16.6°C).

NOTE: The temperature cannot be

adjusted in FAN mode.

6. TIMER Button

Sets unit for daily or weekly on/o󰀨 operation

7. COPY Button

Copy schedules from one day to another

8. POWER Button

Turn system on and o󰀨

9. CONFIRM Button

Conrms each step when managing schedules

10. BACK Button

Returns to the previous step

11. DAY OFF/DELAY Button

• Disable specic days/schedules of the

week

• Delete a specic event

12. LOCK Function

Press the Function and Swing buttons

simultaneously to lock the Controller to prevent

tampering with settings.

Wired Controller Indicators

NOTE

Icons are shown for display purposes only

.An asterisk(*) indicates the function is only available on selected models.

F° / C° display

Room temperature display

*Relative humidity display

Wireless control feature display

Follow me feature display

*Breeze away display

Delay off display

Turbo feature display

*ECO feature display

Purify feature display

Filter reminder display

SLEEP feature display

*GEAR feature display

*Breezeless display

Rotation display

Active clean display

*Intelligent eye display

*Electric heating display

Not used

*Certain Models

Indice

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