– 5 –
Nomenclature
Zoneline
®
D = 230/208 V single phase
E = 265 V single phase
BTU/hr
09 = 9000
12 = 12000
18 = 18000
E = Cooling w/Electric Resistance Heat
H = Cooling w/Heat Pump
and Electric Resistance Heat
W = Cooling only (Hydronic)
Chassis Series
A = Revision
C = Corrosion
The nomenclature tag is located on the front
upper left-hand corner of the unit. This tag
contains important information such as:
• Model/serial number
• Refrigerant charge
• Voltage rating
• Heat and cool amperes
• Heat resistance amperes
• BTU/h
r
AZ 85 H 12 D A C W 1
Model Number
M = MEI Compressor
W = Rechi Compressor
Engineering
Revision
Nomenclature Tag Location
Note:
The technical sheet is located inside the front panel
behind the nomenclature tag.
A small additional tag is located on the bottom
front of the chassis indicating model number and
manufacturing date.
The letter des ig nat ing
the year re peats every
12 years.
Example:
T - 2010
T - 1998
T - 1986
Serial Number
The fi rst two characters of the serial number
identify the month and year of manufacture.
Example: ST123456S = September, 2010
S - SEP 2010 - T
T - OCT 2009 - S
V - NOV 2008 - R
Z - DEC 2007 - M
A - JAN 2006 - L
D - FEB 2005 - H
F - MAR 2004 - G
G - APR 2003 - F
H - MAY 2002 - D
L - JUN 2001 - A
M - JUL 2000 - Z
R - AUG 1999 - V