11
S
pe
cifi
ca
tion
s
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
five-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
flanges, 2" NPT Male Sch. 80 or 2" 300# RF
flange
10. Max. Operating
Pressure
450 psi. Refer to Model Specifications 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 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.
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 flanged units.
†
Pressure restrictions are for CSA Certified heaters only.
Содержание AH-12A
Страница 17: ...NOTES NOTES ...