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©2017 Lennox Industries Inc.
WARNING
!
Improper installation, adjustment,
alteration, service or maintenance
can
cause
property
personal injury or loss of life.
Installation
and
be
performed
professional HVAC installer (or
equivalent) or service agency.
Dallas, Texas, USA
damage,
service
must
by
a
licensed
INSTALLATION/
OPERATION
INSTRUCTIONS
Lennox Mini-Split
Systems Wired Indoor
Unit Controller
CONTROLS
507561-03
5/2017
Supersedes 8/2015
IMPORTANT!
Frequent changes to operating
mode may cause system
malfunction. Allow at least one
minute between mode changes to
allow the system to stabilize.
This manual must be left with the
owner for future reference.
1
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Table of Contents
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Summary of Contents for Lennox Wired Controller
- Page 1 INSTALLATION/ OPERATION INSTRUCTIONS ©2017 Lennox Industries Inc. Dallas, Texas, USA Lennox Mini-Split Systems Wired Indoor Unit Controller CONTROLS 507561-03 5/2017 Supersedes 8/2015 IMPORTANT! Frequent changes to operating mode may cause system WARNING malfunction. Allow at least one minute between mode changes to Improper installation, adjustment, allow the system to stabilize.
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Page 2: Shipping And Packing List
1 – Installation and operation manual 1 – Cable with connector – 20 ft. (6 m) General The M0STAT61Q-1 mini-split wired controller is a wired local controller for Lennox mini-split indoor units. Requirements Turn off power supply before beginning installation. Use this controller only as de- scribed in this manual. - Page 3 IMPORTANT! IMPORTANT! Read all of the information in this The provided cables must be used. Do not use excessive force while manual before using this controller. pulling the cable or when making the All wiring must conform to local and connections.
- Page 4 1. Connect controller to indoor unit main control board by inserting the plug of the 5-conductor cable into the socket provided at the indoor unit Indoor unit display board 5-conductor wire 5-conductor wire Figure 1. Wiring Connections 2. Remove the cover from the wall plate using a flat-head screwdriver. See figure 2. 3.
- Page 5 4. Attach the wall plate using the provided screws. See figure 3. J-box Back plate Back plate Screw Screws Screws Figure 3. Mount wall plate 5. Reattach the cover to the wallplate. See figure 4. Figure 4. Reattach cover to wall plate...
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Page 6: Field Wiring Diagram
Field Wiring Diagram Emitter tube 5-way terminal Wired controller Shielded 5-conductor cable Indoor unit display board Figure 5. Typical wiring diagram between wired controller and indoor unit Specifications Table 1. Specifications Input voltage 5 VDC Ambient temperature 23~110°F (-5~43°C) Ambient humidity RH40%~RH90%... - Page 7 Display Operation mode indication Follow me function ON/OFF indication Fan speed indication Lock Timer ON/OFF Temperature display zone • Operation mode. These icons being used by the indoor unit. When show the current mode of opera- this function is off, the indoor unit uses tion.
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Page 8: Description Of Buttons
Description of Buttons ON / OFF BUTTON MODE BUTTON TIMER ON BUTTON ▲ ADJUST BUTTON TIMER FOLLOW TIMER OFF BUTTON ▼ ADJUST BUTTON TIMER MODE FAN SPEED TEMP SWING FOLLOW ME BUTTON SWING BUTTON RESET LOCK ECONOMY BUTTON RESET BUTTON FAN SPEED BUTTON LOCK BUTTON... - Page 9 • Up arrow button. Press to increase • Mode button. Press scroll the temperature setpoint or to scroll through operation modes: through settings options. Auto → Cool → Dry → Heat → Fan. • Down arrow button. Press to de- •...
- Page 10 Operation a humidistat sensor). Cannot adjust Start/stop operation fan speed. Press the LED power button. • Heat – System operates in heating • Controller ON: Power button LED lit mode. brightly. • Fan – Fan only, no heating or cooling. •...
- Page 11 press will increase the time in half hour increments until 10 hours, then the increment becomes 1 hour. Timer OFF operation 1. Press the Timer OFF button. The Tim- er off icon, the last auto-off time, and “h” will display. 2.
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Page 12: Troubleshooting
Troubleshooting Fault Codes (indoor unit) Indoor unit EEPROM error Communication error between indoor unit and outdoor unit Indoor fan speed error Indoor return air temperature sensor error Indoor coil temperature sensor error Low refrigerant High water level alarm Outdoor current overload sensed Outdoor ambient temperature sensor error Outdoor coil temperature sensor error Compressor discharge temperature sensor error...
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