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Nomenclature
The nomenclature breaks down and explains what the letters and numbers mean in the model number.
Serial Number
7KH¿UVWWZRFKDUDFWHUVRIWKHVHULDOQXPEHULGHQWLI\WKHPRQWKDQG\HDURIPDQXIDFWXUH7KHOHWWHU
designating the year repeats every 12 years.
Example: LA123456S = June, 2013
A – JAN
D – FEB
F – MAR
G – APR
H – MAY
L – JUN
M – JUL
R – AUG
S – SEP
T – OCT
V – NOV
Z – DEC
2024 – Z
2023 – V
2022 – T
2021 – S
2020 – R
2019 – M
2018 – L
2017 – H
2016 – G
2015 – F
2014 – D
2013 – A
Mini Manual location
Model Serial location
Zoneline
Package Terminal
Chassis
A Z 4 5 E 0 9 D A B W 1
Chassis Series
45 - Deluxe Electric Heat
Electronic Control
65 - Deluxe Heat Pump
Electronic Control
Special Features
B - Base Unit
C - Corrosion Treated
D - Internal Condensate
Removal (ICR) System
(Heat Pump Only)
P - Heat Pipe, Dry 25
M - Make Up Air Module
Universal Power Connection
These models use power cord kits;
heater size determined by a power
cord kit.
Engineering Revision
Nominal Cooling Capacity
07 = 7,000 BTU/hr.
09 = 9,000 BTU/hr.
12 = 12,000 BTU/hr.
15 = 15,000 BTU/hr.
Compressor Type
M - MEI
W - Rechi
Unit Type
E - Cooling with Electric
Resistance Heat
H - Heat Pump with Electric
Resistance Heat
Voltage/Frequency
D - 230/208 Volt 60 Hz Single Phase
E - 265 Volt 60 Hz Single Phase