– 11 –
Serial Number
The fi rst two characters of the serial number
identify the month and year of manufacture.
Example:
AH
123456 = January, 2005
A
- JAN
2005 -
H
D - FEB
2004 - G
F - MAR
2003 - F
G - APR
2002 - D
H - MAY
2001 - A
L - JUN
2000 - Z
M - JUL
1999 - V
R - AUG
1998 - T
S - SEP
1997 - S
T - OCT
1996 - R
V - NOV
1995 - M
Z - DEC
1994 - L
The mini-manual is located behind the room cabinet
to the left of the control panel.
Nomenclature
Model Number
The letter designating
the year repeats
every 12 years.
Example:
T - 1974
T - 1986
T - 1998
AZ 28 E 09 D A B
Zoneline
®
Packaged Terminal
Chassis
D
= 230/208 V single phase
E
= 265 V single phase
BTU/hr
07
= 7000
09
= 9000
12
= 12000
15
= 15000
E
= Cooling w/
E
lectric Resistance Heat
H
= Cooling w/
H
eat Pump
and Electric Resistance Heat
28
= Electric Heat
38
= Heat Pump
Model/Serial Tag Location
A
= Universal power connection
B
= Standard
C
= Corrosion
D
= Internal Condensate Removal (ICR)
P
= Heat Pipe
The model/serial tag is located on the front
of the chassis and can be easily accessed by
removing the front cabinet (grille). This tag
contains important information such as:
• Model/serial number
• Refrigerant charge
• Voltage rating
• Heat and cool amperes
• Heat resistance amperes
• BTU/h
r
