General Specifications; Model Specifications - Ruffneck AH-12A-A Série Guide D'utilisation

Approvals
Fan
Fan Guard
Mounting Holes
Cabinet Material
Motors
Louver Blades
Header Material
Fluid Connections
Max. Operating Press.
Max. Operating Temp.
Finned Tubes
Optional Disconnect
Base Model Air
Delivery**
AH-12A-A__ 1150 CFM
AH-12A-B__ 1160 CFM
AH-12A-C1 1030 CFM
AH-16A-A__ 1840 CFM
AH-16A-B__ 1780 CFM
AH-16A-C1 1840 CFM
AH-20A-A__ 2930 CFM
AH-20A-B__ 2700 CFM
AH-20A-C1 3000 CFM
AH-24A-A__ 3890 CFM
AH-24A-B__ 3640 CFM
AH-24A-C1 3490 CFM
AH-24B-A__ 7650 CFM
AH-24B-B__ 7420 CFM
AH-24B-C1 6690 CFM
* See page 7 for model coding.
** At 70˚F and sea level.
*** Ruffneck reserves the right to substitute motors of higher horsepower.
Δ Add 12 lbs to flanged units.
Pressure restrictions are for CSA Certified heaters only.
†

GENERAL SPECIFICATIONS

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
Three blade aluminum, steel spider and hub with 5/8" bore.
Two piece design with close wire spacing. 3/8" diameter probe will not enter.
Epoxy coated to match cabinet color.
9/16" diameter holes, two at top and two at bottom of heater.
14 gauge (0.075") steel. Epoxy coated with five-stage pretreatment, including iron phosphate.
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.
Anodized extruded aluminum.
3/16" (0.187") carbon steel.
1-1/2" NPT male Sch. 40, 1-1/2" 300# RF flanges, 2" NPT Male Sch. 80 or 2" 300# RF flange
450 psi. Refer to Model Specifications below for restrictions.
650˚F.
• 5/8" outside diameter (16 gauge, 0.065" wall thickness) carbon steel tubes.
Tension wound aluminum fins @ 10 fins per inch, or
• 1" outside diameter (14 gauge, 0.083" wall thickness) carbon steel tubes.
Extruded aluminum fins @ 9 fins per inch, or
• 1" outside diameter (10 gauge, 0.135" wall thickness) carbon steel tubes.
Extruded aluminum fins @ 5 fins per inch.
XS40 Disconnect Switch suitable for single and three phase motors.

MODEL SPECIFICATIONS

Air Throw at Motor***
15 psi steam Requirements
28' (8.5m) 1/2 HP
28' (8.5m) 1/2 HP
28' (8.5m) 1/2 HP
40' (12.2m) 1/2 HP
40' (12.2m) 1/2 HP
40' (12.2m) 1/2 HP
40' (12.2m) 1/2 HP
40' (12.2m) 1/2 HP
40' (12.2m) 1/2 HP
40' (12.2m) 1/2 HP
40' (12.2m) 1/2 HP
40' (12.2m) 1/2 HP
65' (19.8m) (2) 1/2 HP
65' (19.8m) (2) 1/2 HP
65' (19.8m) (2) 1/2 HP
Tube Max
Passes Allowable Weight Δ
Pressure
for Steam
Units
†
1 or 3 150 psi
1 or 3 200 psi
1 300 psi
1, 3 or 5 135 psi
1, 3 or 5 150 psi
1 395 psi
1, 3 or 5 180 psi
1, 3 or 5 140 psi
1 450 psi
1, 3, 5 or 7 165 psi
1, 3, 5 or 7 190 psi
1 335 psi
1, 3, 5 or 7 235 psi
1, 3, 5 or 7 295 psi
1 450 psi
12
Net Shipping
Weight Δ Weight Δ
with Disconnect
Switch
102 lbs. 142 lbs. 117 lbs.
107 lbs. 147 lbs. 122 lbs.
118 lbs. 158 lbs. 133 lbs.
127 lbs. 167 lbs. 142 lbs.
138 lbs. 178 lbs. 153 lbs.
153 lbs. 193 lbs. 168 lbs.
155 lbs. 205 lbs. 180 lbs.
170 lbs. 220 lbs. 195 lbs.
195 lbs. 245 lbs. 210 lbs.
189 lbs. 249 lbs. 204 lbs.
212 lbs. 272 lbs. 227 lbs.
258 lbs. 318 lbs. 273 lbs.
313 lbs. 413 lbs. 338 lbs.
376 lbs. 476 lbs. 391 lbs.
440 lbs. 540 lbs. 455 lbs.
Net Shipping
Weight Δ
with Disconnect
Switch
167 lbs.
172 lbs.
183 lbs.
192 lbs.
203 lbs.
218 lbs.
230 lbs.
245 lbs.
270 lbs.
274 lbs.
297 lbs.
343 lbs.
438 lbs.
501 lbs.
565 lbs.