Ruffneck AH-12A - Specifications; General; Model

11
Specications
E. SPECIFICATIONS
E.1 General
1. Approvals
Class I, Division 1 & 2, Groups C and D;
Class II, Division 1 & 2, Groups E, F, G CRN
(Canada) - Steam and HVAC liquids only. -
CRN OH10951.2C
2. Fan
Three blade aluminum, steel spider and hub
with 5/8" bore.
3. Fan Guard
Two piece design with close wire spacing.
3/8" diameter probe will not enter. Epoxy
coated to match cabinet color.
4. Mounting Holes
9/16" diameter holes, two at top and two at
bottom of heater.
5. Cabinet Material
14 gauge (0.075") steel. Epoxy coated with
ve-stage pretreatment, including iron
phosphate.
6. Motors
CSA and/or UL listed 1725 RPM permanently
lubricated ball bearing type with rigid
base. Explosion-proof or general purpose
construction. All 50 and 60 hertz, standard
voltages available.
7. Louver Blades
Anodized extruded aluminum.
8. Header Material
3/16" (0.187") carbon steel.
9. Fluid
Connections
1-1/2" NPT male Sch. 40, 1-1/2" 300# RF
anges, 2" NPT Male Sch. 80 or 2" 300# RF
ange
10. Max. Operating
Pressure
450psi. Refer to Model Specications below
for restrictions.
11. Max Operating
Temperature
650˚ F.
12. Finned Tubes
• 5/8" outside diameter (16 gauge, 0.065"
wall thickness) carbon steel tubes.
Tension wound aluminum ns @ 10 ns
per inch, or
• 1" outside diameter (14 gauge, 0.083"
wall thickness) carbon steel tubes.
Extruded aluminum ns @ 9 ns per
inch, or
• 1" outside diameter (10 gauge, 0.135"
wall thickness) carbon steel tubes.
Extruded aluminum ns @ 5 ns per inch.
13. Optional
Disconnect
XS40 Disconnect Switch suitable for single
and three phase motors.
E.2 Model
Base Model
Air
Delivery**
Air Throw
at
15psi steam
Motor***
Requirements
Tube
Passes
Max
Allowable
Pressure
for Steam
Units
†
Net
Weight Δ
Shipping
Weight Δ
Net
Weight Δ
w/
Disconnect
Switch
Shipping
Weight Δ
w/
Disconnect
Switch
CFM ft (m) psi lbs lbs lbs lbs
AH-12A-A_ _ 1150
28’ (8.5m)
1/2 HP
1 or 3 150 102 142 117 167
AH-12A-B_ _ 1160 1 or 3 200 107 147 122 172
AH-12A-C1 1030 1 300 118 158 133 183
AH-16A-A_ _ 1840
40’ (12.2m)
1, 3 or 5 135 127 167 142 192
AH-16A-B_ _ 1780 1, 3 or 5 150 138. 178 153 203
AH-16A-C1 1840 1 395 153 193 168 218
AH-20A-A__ 2930 1, 3 or 5 180 155 205 180 230
AH-20A-B__ 2700 1, 3 or 5 140 170 220 195 245
AH-20A-C1 3000 1 450 195 245 210 270
AH-24A-A__ 3890 1, 3, 5 or 7 165 189 249 204 274
AH-24A-B__ 3640 1, 3, 5 or 7 190 212 272 227 297
AH-24A-C1 3490 1 335 258 318 273 343
AH-24B-A__ 7650
65’ (19.8m) (2) 1/2 HP
1, 3, 5 or 7 235 313 413 338 438
AH-24B-B__ 7420 1, 3, 5 or 7 295 376 476 391 501
AH-24B-C1 6690 1 450 440 540 455 565
* See Section D. Model Coding, page10.
** At 70˚F and sea level.
*** Ruffneck™ reserves the right to substitute motors of higher horsepower.
Δ Add 12 lbs to anged units.
†
Pressure restrictions are for CSA Certified heaters only.