Model Number Identification - Lennox MHA Series Installation Instructions Manual

WARNING
The clean Air Act of 1990 bans the intentional venting of
refrigerant (CFCs, HCFCs, and HFCs) as of July, 1992.
Approved methods of recovery, recycling or reclaiming
must be followed. Fines and/or incarceration may be
levied for non­compliance.
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.

Model Number Identification

OUTDOOR SINGLE ZONE HEAT PUMP UNITS
Series Type
M = Mini­Split
H = Heat Pump
Major Design Sequence
A = First Generation
Nominal Cooling Capacity
WALL-MOUNTED INDOOR UNITS
Series Type
M = Mini­Split
WH = Wall­Mounted Non­Ducted Unit
Major Design Sequence
M H A 009 S 4 S ­ 1 P
Unit Type
009 = 0.75 ton
012 = 1 ton
018 = 1.5 tons
024 = 2 tons
M WH 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
IMPORTANT
All illustrations in this instruction are typical and do
not always represent the exact appearance of the
equipment.
IMPORTANT
The compressor
oil (Polyvinylether).
hydrofluorocarbon (HFC) refrigerants, such as HFC-
410A, which this system contains. While it may have
some miscibility properties with mineral­based oil and
POE oil (Polyolester), it is not recommended to mix PVE
oil with any other type of refrigerant oil.
Refrigerant Circuits
S = Single Circuit
Refrigerant Type
4 = HFC­410A
Cooling Efficiency
S = Standard Efficiency
Minor Design Sequence
1 = 1st Revision
Refrigerant Type
4 = HFC­410A
Cooling Efficiency
S = Standard Efficiency
3
in this unit contains
PVE oil is formulated
Voltage
L = 115V­1 phase­60Hz
P = 208/230V­1 phase­60Hz
Minor Design Sequence
1 = 1st Revision
Voltage
L = 115V­1 phase­60Hz
P = 208/230V­1 phase­60Hz
PVE
for