Date of manufacture 2, Rating plate 2, Serial no. 2 – Reznor ADFH Parts Manuals User Manual
Page 2: Rating plate and serial no, Rating plate codes, Reznor

Form P-ADF, P/N 270068 R1, Page 2
Year
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
1993
ASA
ASB
ASC
ASD
ASE
ASF
ASG
ASH
ASI
ASJ
ASK
ASL
1994
ATA
ATB
ATC
ATD
ATE
ATF
ATG
ATH
ATI
ATJ
ATK
ATL
1995
AUA
AUB
AUC
AUD
AUE
AUF
AUG
AUH
AUI
AUJ
AUK
AUL
1996
AVA
AVB
AVC
AVD
AVE
AVF
AVG
AVH
AVI
AVJ
AVK
AVL
1997
AWA
AWB
AWC
AWD
AWE
AWF
AWG
AWH
AWI
AWJ
AWK
AWL
1998
AXA
AXB
AXC
AXD
AXE
AXF
AXG
AXH
AXI
AXJ
AXK
AXL
1999
AYA
AYB
AYC
AYD
AYE
AYF
AYG
AYH
AYI
AYJ
AYK
AYL
2000
AZA
AZB
AZC
AZD
AZE
AZF
AZG
AZH
AZI
AZJ
AZK
AZL
2001
BAA
BAB
BAC
BAD
BAE
BAF
BAG
BAH
BAI
BAJ
BAK
BAL
2002
BBA
BBB
BBC
BBD
BBE
BBF
BBG
BBH
BBI
BBJ
BBK
BBL
2003
BCA
BCB
BCC
BCD
BCE
BCF
BCG
BCH
BCI
BCJ
BCK
BCL
2004
BDA
BDB`
BDC
BDD
BDE
BDF
BDG
BDH
BDI
BDJ
BDK
BDL
2005
BEA
BEB
BEC
BED
BEE
BEF
BEG
BEH
BEI
BEJ
BEK
BEL
2006
BFA
BFB
BFC
BFD
BFE
BFF
BFG
BFH
BFI
BFJ
BFK
BFL
2007
BGA
BGB
BGC
BGD
BGE
BGF
BGG
BGH
BGI
BGJ
BGK
BGL
2008
BHA
BHB
BHC
BHD
BHE
BHF
BHG
BHH
BHI
BHJ
BHK
BHL
2009
BIA
BIB
BIC
BID
BIE
BIF
BIG
BIH
BII
BIJ
BIK
BIL
2010
BJA
BJB
BJC
BJD
BJE
BJF
BJG
BJH
BJI
BJJ
BJK
BJL
2011
BKA
BKB
BKC
BKD
BKE
BKF
BKG
BKH
BKI
BKJ
BKK
BKL
2012
BLA
BLB
BLC
BLD
BLE
BLF
BLG
BLH
BLI
BLJ
BLK
BLL
2013
BMA
BMB
BMC
BMD
BME
BMF
BMG
BMH
BMI
BMJ
BMK
BML
2014
BNA
BNB
BNC
BND
BNE
BNF
BNG
BNH
BNI
BNJ
BNK
BNL
2015
BOA
BOB
BOC
BOD
BOE
BOF
BOG
BOH
BOI
BOJ
BOK
BOL
Sample of a Rating Plate
Rating Plate Codes:
A = Model No.
B = Gas Type (Nat or LP)
C = Motor HP
D = Voltage
E = Phase
F = Maximum Total Input Amps for Unit
G = SCFM
H = ESP ("w.c.)
I = CFM
J = Maximum Input (BTU/HR)
K = Minimum Input (BTU/HR)
L = Manifold Pressure ("w.c.)
M = Minimum Inlet Pressure ("w.c.)
N = Maximum Supply Pressure (PSI.)
P = Wiring Diagram No.
Q = Maximum Discharge Temperature (°F)
R = Maximum Input (kw/HR)
S = Minimum Input (kw/HR)
T= Manifold Pressure (KPA.)
U = Minimum Inlet Pressure (KPA.)
V = Maximum Supply Pressure (KPA.)
W = ESP.(KPA)
X = M
3
Y = Maximum Discharge Temperature (°C)
Z = Maximum Temperature Rise (°F)
AA = Maximum Temperature Rise (°C)
First Element of the Serial Number - Date of Manufacture
Serial No. Example:
Codes:
1 = Date of manufacture (see chart below)
2 = Type of pilot
3 = Type of valve
4 = Type of gas (N= Natural; L= Propane)
5 = Consecutive number
6 = Type of air control (CA = Constant Air Volume;
VA = Variable Air Volume;
RA = Recirculation Air)
7 = Type of Maxitrol Gas Control - (MV7 = Maxitrol
System 14;
MV8 = Maxitrol System 14A; MVC =
Maxitrol A200)
Rating Plate and Serial No.
REZNOR
®
MERCER, PA. USA 16137
ANSI Z83.4/CSA 3.7-2013 NON-RECIRCULATING DIRECT-FIRED
INDUSTRIAL AIR HEATER
ANSI Z83.4/CSA 3.7-2013 AIR RECYCLE NON DIRECT INDUSTRIEL TIRE
DU RECHAUFFEUR D'AIR
FOR INDUSTRIAL/COMMERCIAL USE ONLY
FOR EITHER INDOOR OR OUTDOOR INSTALLATION
INSTALLER À L'INTÉRIEUR OU À L'EXTÉRIEUR
MODEL { A }
SERIAL # { computer generated }
GAS TYPE{ B }
MOTOR HP{ C }
VOLTAGE { D }
PHASE{ E } 60 HZ
MAX TOTAL INPUT AMPS FOR THE UNIT { F }
WIRING DIAGRAM NUMBER: { P }
UNIT IS EQUIPPED FOR { G } SCFM AGAINST { H } IN WC ESP
WITH A MAX DISCH TEMP OF { Q } °F AND A MAX TEMP RISE OF
{ Z } °F AND CANNOT BE USED BELOW -40 °F
CONCU POUR { X } M
3
CONTRE UNE PRESSION STATIQU
EXTERNE DE { W } KPA (PO C.E.) WITH A MAX DISCHARGE TEMP OF
{ Y } °C AND A MAX TEMP RISE OF { AA } °C AND CANNOT BE USED
BELOW -40 °C.
MAXIMUM INPUT RATING { J } BTU/HR
MINIMUM INPUT RATING ( K } BTU/HR
NORMAL MANIFOLD PRESS { L } IN WC
MIN GAS INLET PRESS. FOR BURN. ADJ. { M } IN WC
MAX PERMISSIBLE GAS SUPPLY PRESS. { N } PSI
MIN PRESSURE DROP ACROSS BURNER 0.25 IN WC
MAX PRESSURE DROP ACROSS BURNER 0.75 IN WC
MAXIMUM INPUT RATING { R } KW/HR
MINIMUM INPUT RATING { S } KW/HR
NORMAL MANIFOLD PRESS. { T } KPA
MIN GAS INLET PRESS. FOR BURN. ADJ. { U } KPA
MAX PERMISSIBLE GAS SUPPLY PRESS. { V } KPA
MIN PRESSURE DROP ACROSS BURNER 0.0625 KPA
MAX PRESSURE DROP ACROSS BURNER 0.1875 KPA
CLEARANCES TO COMBUSTIBLES: TOP, BOTTOM, AND SIDE OPPOSITE
CONTROLS - 1 INCH. FOR SERVICE ON CONTROL SIDE OF UNIT -
WIDTH OF UNIT
BLJ 82 V1 N 12345 CA
MV7
1
2
3
4
5
6
7