Lennox M0STAT120L-1 Manual de usuario
©2023 Lennox Industries Inc.
Dallas, Texas, USA M0STAT120L-1 Indoor
Wired Non-Programmable
Controller
CONTROLS
508331-01 6/2023
Table of Contents
General................................................... 2
Requirements ......................................... 2
Shipping and Packing List ...................... 2
Product Overview ................................... 3
Product Dimensions ............................... 3
Back Plate Removal ............................... 3
Installing Back Plate on Drywall ............. 4
Making Connections............................... 4
Wiring Diagram..................................... 4
Cable Connection Illustration................ 4
Reattached the Top Panel ...................... 5
User Information..................................... 5
Display Indicators ................................... 7
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.
INSTALLATION AND USER
INFORMATION GUIDE
2
CAUTION
As with any mechanical equipment, contact
with sharp sheet metal edges can result in
personal injury. Take care while handling this
equipment and 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.
General
The M0STAT120L-1 is a wired non-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
Be sure that power supply to the indoor unit has
been disconnected before beginning installation.
This controller should be used only as described
in this manual.
Do not install the controller on outside walls
(where there is unconditioned space on opposite
side of wall) or in locations where direct sunlight
may be present.
Shipping and Packing List
Package 1 of 1 contains the following:
Item Qty
Wired Controller 1
Installation and User Information
Guide 1
Screws for securing back plate to
drywall (M4X20) 3
Drywall anchors for securing back
plate 3
5-pin cable assembly 1
5-pin extension cable assembly -
20 Feet (6 meters) 1
Ground screw with washer (M4x8) 1
3
Product Overview
• Built-In Memory - Maintains clock, fan
speed and mode of operation settings fol-
lowing power outages.
• Dimensions - (H x W x D) - 4-3/4 x 4-3/4
x 7/8 inches (83 x 83 x 22 mm).
• LCD Display - 3-1/2 inch (89 mm) back-
lit.
• Wiring Requirements - Controller uses
5-wire shielded 20 foot (6 meters) exten-
sion cable (furnished) for easy low voltage
connection to the indoor unit.
• Cable Length - Total overall cable length
not to exceed 59 feet (18 meters).
Product Dimensions
4-3/4” (120mm)
4-3/4” (120mm)
7/8” (22mm)
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.
Be careful not to damage the PCB with the
screwdriver.
3. Remove the back plate.
Back Plate
Flat-head
Screwdriver
Prying Positions
Figure 2. Back Plate Removal
4
Installing Back Plate on Drywall
When installing the back plate to a at drywall
surface, use the provided screws for securing
back plate to drywall (M4x20). Also use provided
wall anchors if required.
IMPORTANT
Always install back plate on at
surface. Do not distort back plate
by over-tightening the mounting
screws.
3 screws (M4X20)
Figure 3. Securing Back Plate to Drywall
Making Connections
Wiring Diagram
Refer to the following to illustrations on connecting
the provided cables to the wired controller and
indoor unit.
5-pin shielded cable
5-pin
connectors
Figure 4. Wiring Diagram
Cable Connection Illustration
1. Connect the 5-pin shielded cable assem-
bly to connection on the wired controller.
2. Connect the 5-pin shielded cable assem-
bly to the 5-pin shielded extension cable.
3. Connect the 5-pin shielded extension ca-
ble to the indoor unit display cable con-
nection.
NOTE: Use the provided M4x8 screw
with washer to secure the ground
connector.
Ground Connector
indoor
unit
Wire controller
5-pin shielded
cable assembly
5-pin shielded
extension
cable assembly Indoor unit
display cable
connection
Figure 5. Cable Assembly Connections
5
Reattached the Top Panel
Figure 6. Reattaching Top Panel
User Information
1. FAN SPEED Button
Selects fan speed. Each button press cycles
through the following settings on display.
Auto
LowMed.
High
2. MODE Button
Select system operation modes. Push button to
cycle through each setting.
AUTO COOL DRYHEAT FAN
3. FUNCTION Button
Scrolls through unit operations in this order:
• Turbo
• Sleep
• Active Clean
• Follow Me
6
4. SWING Button
a. Up-Down Swing - Press the Swing button
to start up and down swing.
b. Left-Right Swing - Press the Swing
button for two seconds to start left
and right swing. Press it again for two
seconds to stop the swing.
c. Can also set the desired air direction of
the louver.
5. TIMER Button
a. TIMER ON (initiates an auto-on time
sequence).
b. TIMER OFF (initiates an auto-o time
sequence) can be used separately or
together.
c. Each press of the button increases the
time in 30 minute increments up to 10
hours.
d. Above 10 hours each press of the button
will increase the auto-timed setting by 60
minutes up to 24 hours.
6. POWER Button
Turns system on and o.
7. CONFIRM Button
Conrms selected function.
8. BACK Button
Returns to the previous step.
9. UP/DOWN Buttons
a. Increase or decrease the indoor
temperature in two degree increments with
a maximum 86°F (30°C) and minimum
60°F (16°C).
NOTE: Temperature cannot be adjusted in
FAN mode.’
b. Fahrenheit and Celsius Setting - Hold the
button UP or DOWN for three seconds
to alternate the temperature display
between the ºF and ºC scale.
10. Lock Button
Press the Function and Swing buttons
simultaneously for three seconds to lock the
controller to prevent tampering with settings.
To unlock the controller press both buttons
again for three seconds.
7
Display Indicators
GEAR feature display (certain models)
FAN SPEED display
Displays selected fan
speed:
ECO feature display
(on certain models)
Electric heating display (certain models)
Left and right swing (certain models)UP and down swing
(certain models)
SLEEP feature display
Active clean display
Turbo feature display
(certain models)
Not used
Follow me feature display
Room temperature display
°F / °C display
Temperature display
MODE display
Displays the current
mode: Lock display
Timer/ ON/Off display
LOW
MED
HIGH
AUTO AUTO
NOTE:
All icons are shown for display purposes only.
During actual unit operation, only active icons are displayed.
8
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