5
FRIEDRICH WALLMASTER MODEL NUMBER CODE
1st DIGIT - FUNCTION
W = Thru-The-Wall, WallMaster Series
2nd DIGIT - TYPE
S = Straight Cool
E = Electric Heat
Y = Heat Pump
3rd & 4th DIGITS - APPROXIMATE BTU/HR (Cooling)
Heating BTU/HR capacity listed in Specifi cations/Performance Data Section
5th DIGIT - MAJOR CHANGE
Model Series / Year Introduced (C=2010)
6th DIGIT - VOLTAGE
1 = 115 Volts
3 = 230-208 Volts
7th DIGIT
0 = Straight Cool & Heat Pump Models
3 = 3 KW Heat Strip, Nominal
8th DIGIT
Marketing Suffi x, Indicates Modifi cation (Subject to change)
9th DIGIT
Engineering Suffi x, Indicates Modifi cation (Subject to change)
A K A X 00001
A = Jan D = Apr G = Jul K = Oct
B = Feb E = May H = Aug L = Nov
C = Mar F = Jun J = Sep M = Dec
PRODUCT LINE
X = WallMaster
MONTH MANUFACTURED
WallMaster Serial Number Identification Guide
SERIAL NUMBER
YEAR MANUFACTURE
PRODUCTION RUN NUMBER
AK = 2010
AA = 2011
AB = 2012
AC = 2013
AD = 2014
AE = 2015
AF = 2016
AG = 2017
AH = 2018
AJ = 2019
A
W S 08 C 1 0 A - A
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