Indoor Units; Model Number Identification; Indoor Unit Specifications - Lennox MCA Series Service Manual

1. Indoor Units

1.1. Model Number Identification
WALL-MOUNTED INDOOR UNITS
Series Type
M = Mini-Split
WC = Wall-Mounted Non-Ducted Unit
Major Design Sequence
1.2. Indoor Unit Specifications
Indoor Unit Model No.
Nominal Size - Tons
Power Supply - 60 hz - 1 phase
Room Temperature Range (°F)
Air Volume - cfm (High/Medium/Low)
Sound Data (dBA) - Low/Medium/High
Piping Connections - Liquid/Gas - o.d. - flare - in.
M WC A 009 S 4 - 1 P
Unit Type
A = First Generation
Nominal Cooling Capacity
009 = 0.75 ton
012 = 1 ton
018 = 1.5 tons
024 = 2 tons
Rated load amps
Output (W)
Cooling
Drain connection o.d. - in.
Net/Shipping weights - lbs.
Cooling Efficiency
S = Standard Efficiency
MWCA009S4 MWCA012S4
0.75
208/230V 115V
0.22 0.43
47.4 46
62 - 90 62 - 90
241/206/147 235/206/147
26.5/32/38 24.5/33/38.5
1/4 / 3/8 1/4 / 1/2
1 1
17 / 22 19 / 25
3
Voltage
L = 115V-1 phase-60Hz
P = 208/230V-1 phase-60Hz
Minor Design Sequence
1 = 1st Revision
Refrigerant Type
4 = HFC-410A
MWCA018S4
1 1.5
208/230V 208/230V
0.22 0.40
47.4 36
62 - 90 62 - 90
241/194/206 530/441/353
24.5/34.5/37.5 30.5/34.5/42
1/4 / 1/2 1/4 / 1/2
1
18 / 24 26 / 31
MWCA024S4
2
208/230V
0.40
89
62 - 90
581/456/331
34/40.5/46
3/8 / 5/8
1 1
32 / 40