Ruffneck AH-12A - Model Coding

10
Model Coding
AH - 12A - A1A1 - A1 - 1A - D
Model
Series
Model Coding
NOTE:
Thermon Heating Systems Inc. units utilize a standard motor. Specifyingany
other O.E.M. motor may result in longer lead times.
They are approved for use in all provinces and territories in Canada.
 Heresite
®
coated exchangers and cabinets: contact factory for quote.
 Louvres and fan blades are also Heresite
®
coated.
 Contact factory for shipping lead time.
 Motor designed to be used at rated voltage with tolerances of ±15%.
 Motor may be marked 230V, but is suitable for 208V operation.
 Tandem con guration not available on AV models.
 460 1-phase motors are only certi ed for groups D, F, and G.
 Only available in 16” (406mm) and larger units.
 Only availalbe in 24” (610mm) and larger units.
 Built-in Disconnect only available with CSA certi ed heater.
Exchanger Coatings
1 - Heat resistant
aluminum paint
2 - Heresite
®
phenolic coating

Heater Certi cation
1 - General purpose
2 - Explosion-proof,
GroupsC, D, E, F, & G
3 - CSA certifed heater

Connections
A - 1 1/2" NPT Male SCH. 40
B - 1 1/2” (40mm) 300# RF  ange
C - 2" NPT Male, SCH. 80
D - 2" (50mm) 300# RF Flange
Built-in
Disconnect
Switch

Fan Size
12A - 12" (305 mm)
16A - 16" (406mm)
20A - 20" (508mm)
24A - 24" (610mm)
24B - 24” (610mm)
Tandem
A = Standard single fan
B = Standard dual fan


Passes
1 - 1 Pass
3 - 3 Passes
5 - 5 Passes
7 - 7 Passes

V Phase Hz
A 115 1 60
B 208 1 60
C 208 3 60
D 230 1 60
E 230 3 60
F 460 1 60
G 460 3 60
H 575 3 60
I 220 1 50
J 380 3 50
K 440 3 50
Motor Electrical Speci cations







Cabinet Material
A - Epoxy powder coated
carbon steel
B - Heresite
®
phenolic coated
carbon steel

Discharge Type
1 - 2-way aluminum louvres
2 - Nozzle
3 - 4-way aluminum louvres
Tubing
Wall
Thickeness
Rows
Finning
Fins/inch
Material
Type
in (mm) in (mm)
A
5/8
(16)
0.65
(1.7)
3 10
AL
TW
B
1
(25)
0.83
(21)
2 9 EX
C
1
(25)
0.135
(3.4)
2 5 EX
Tube Material
D. MODEL CODING