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M33D CASSETTE | Four-Way (3 X 3)
Cassette Indoor Units | 3 x 3 |
R E S I D E N T I A L / C O M M E R C I A L
P R O D U C T S P E C I F I C AT I O N S ( E H B )
M OD EL NU MBER ID EN T IF IC AT ION
Series Type
M = Mini-Split
33 = Four-Way Cassette Indoor Units | 3 x 3
Major Design Sequence
R-32
| 60 Hz
M 33 D 018 S 6 - 1 P
Unit Type
D = 4th Generation
Nominal Cooling Capacity
018 = 1.5 tons
024 = 2 tons
030 = 2.5 tons
M I N I - S P L I T S Y S T E M S
M33D 3 x 3 Cassette Unit (Shown with
Optional Wireless Remote Controller)
Voltage
P = 208/230V-1 phase-60Hz
Minor Design Sequence
1 = 1st Revision
Refrigerant Type
6 = R-32
Zone Type
S = Single
Form Number 211084 | March 2025
Supersedes all previous versions
1.5 to 2.5 Tons
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Table of Contents
Related Manuals for Lennox M33D
Summary of Contents for Lennox M33D
- Page 1 1.5 to 2.5 Tons P R O D U C T S P E C I F I C AT I O N S ( E H B ) M33D 3 x 3 Cassette Unit (Shown with Optional Wireless Remote Controller)
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Page 2: Warranty
NOTE - The cassette panel must be ordered separately. See Specifications table for ordering information. • Heating and cooling: Operation (Blue) • Defrost (Yellow) • Timer indicator • Fan indicator • Filter cleaning indicator M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 2... -
Page 3: Optional Accessories
Samsung, Ring, Nest and Philips Hue - all from one free app • Control your smart devices using voice assistant skills including Alexa, Bixby and Google Assistant M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 3... - Page 4 NOTE - Only available on indoor models that support this feature. Purify Button • Creates a clean room climate by removing harmful substances from the air • Can be used in air conditioner or fan only mode M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 4...
- Page 5 Model Selection Model Selection Filter Reset Filter Reset Temp Unit Temp Unit Heating Range Heating Range Auto Mode Auto Mode NOTE - “Back” function returns to the previous function. M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 5...
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Page 6: Specifications
• Can be used to specify “Mode Master” while connected to a single indoor unit when used with heat pump systems to control system mode (heating or cooling) M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 6... - Page 7 Displays partial locking/all locking/invaild operation Displays IR receiver for wireless remote controller (Default - off) Displays Clean operation Displays Calm Air (Wind-Free) Cooling operation Displays Long reach operation M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 7...
- Page 8 Select outing operation for the indoor unit/Lock the wired remote controller Sleep/Clean button Select Sleep/Clean operation for the indoor unit Timer/Quiet button Select the timer function/quiet operation for the indoor unit M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 8...
- Page 9 Weekly Operating Schedule • Weekly operating schedule • Set desired A/C operation mode, setting temperature and fan speed to operate based on weekly schedules • Schedule exception day option M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 9...
- Page 10 10 to 85% RH Maximum wire length 328 ft. (100 m) Dimensions (H x W x D) 5-1/8 x 5 x 1-1/2 in. (130 x 127 x 38 mm) M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 10...
- Page 11 37Y73 • • • Touchscreen Wired Controller VSTAT02P-1 37P79 • • • Programmable Wired Controller VSTAT04P-1 37Y74 • • • 37Y96 • • • Thermostat Adaptor (24V) VSTAT09P-1 M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 11...
- Page 12 - Sound pressure level is a relative value, depending on the distance and acoustic environment. - Sound pressure level may differ depending on operation condition. - dBA = A weighted sound pressure level - Reference acoustic pressure 0 dB = 20μPa M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 12...
- Page 13 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 1000 2000 4000 8000 Octave Band Center Frequency(Hz) M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 13...
- Page 14 (Discharge angle : 45 degree) (Discharge angle : 45 degree) • Heating Air Velocity distribution • Heating temperature distribution (Discharge angle : 52 degree) (Discharge angle : 52 degree) M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 14...
- Page 15 (Discharge angle : 45 degree) (Discharge angle : 45 degree) • Heating Air Velocity distribution • Heating temperature distribution (Discharge angle : 52 degree) (Discharge angle : 52 degree) M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 15...
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Page 16: Top View
OUTLET OUTLET INLET DIFFUSER PANEL ¹ Depending on operation, Air Outlet will either be through the louvers or the “Still Air” micro holes in the panel. SIDE VIEW M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 16... -
Page 17: Center Of Gravity
SIDE VIEW IN STALL AT IO N C LEAR ANC ES 11-1/2 (292) 018-024 59 (1499) 13-1/4 (337) 030 Minimum Minimum 5/8 (16) 3/4 (19) Minimum 98-1/2 (2502) Minimum M33D Four-Way Cassette Indoor Units | 3 x 3 | Page 17... - Page 18 Contact us at 1-800-9-LENNOX NOTE - Due to Lennox’ ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability. Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.
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