Chromalox PN400-3 - Manual
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Table of Contents:
- Page 2 – Hazard of Explosion or Fire. The tank; Figure 1 — Typical Installation in Dished Head Tank
- Page 3 – WIRING; Figure 2; Hazard of Electrical Shock. Disconnect; Typical Wiring Diagram for
- Page 4 – TMC 7-day Calendar, Electric Dial Timer is used to provide; Table 3; Figure 3
- Page 5 – energizing all heating circuits in the system.; “Automatic” Setting; – allows the Day-Night Clock Panel to; To Set Trippers; – refer to picture for typical setup of a Seven Day; OPTIONAL EQUIPMENT
- Page 6 – TYPE RSTO RENEWAL PARTS IDENTIFICATION; PARTS COMMON TO ALL RST AND RSTO
(Supersedes PN400-2)
PN400-3
RST
161-049178-001
MAY, 1986
4
and
Installation, Operation
RENEWAL PARTS IDENTIFICATION
Type RST and RSTO
Unitary Electric Immersion Heaters
© 2010 Chromalox, Inc.
Specifications – Table A
Tank
Heater
Amperes**
Adapter Box Dimensions (In.)
Holding
Approximate
Temperature
“B”
No.
Net Weight
Capacity
Dimensions
(°F)
kW
240V
480V
Model †
Height
Depth
Length
Dimension*
Tubes
(Lbs.)
175
15
37.0
18.5
RST (or) RSTO-21915
8
1
/
2
8
1
/
4
20
19’
2
560
8,000
8’ (Dia.)
225
20
49.0
24.5
RST (or) RSTO-21920
8
1
/
2
8
1
/
4
20
19’
2
560
Gal.
x
275
25
61.2
30.6
RST (or) RSTO-21925
8
1
/
2
8
1
/
4
20
19’
2
560
21’6”
325
30
73.0
36.5
RST (or) RSTO-51530
8
1
/
2
8
1
/
4
35
15’
5
1100
375
38
92.4
46.2
RST (or) RSTO-52038
8
1
/
2
8
1
/
4
35
19’6”
5
1300
10’6” (Dia.)
175
18
44.3
22.2
RST (or) RSTO-31518
8
1
/
2
8
1
/
4
25
15’
3
635
10,000
x
225
24
58.7
29.4
RST (or) RSTO-41524
8
1
/
2
8
1
/
4
30
15’
4
905
Gal.
15’6”
325
36
87.6
43.8
RST (or) RSTO-61536
8
1
/
2
8
1
/
4
40
15’
6
1270
375
45
109.2
54.6
RST (or) RSTO-81545
8
1
/
2
8
1
/
4
50
14’6”
8
1710
175
20
49.0
24.5
RST (or) RSTO-31720
8
1
/
2
8
1
/
4
25
17’
3
695
12,000
10’6” (Dia.)
225
26
63.5
31.7
RST (or) RSTO-41726
8
1
/
2
8
1
/
4
30
16’6”
4
925
Gal.
x
275
32
78.0
39.0
RST (or) RSTO-51732
8
1
/
2
8
1
/
4
35
16’6”
5
1135
18’6”
325
40
97.2
48.6
RST (or) RSTO-61740
8
1
/
2
8
1
/
4
40
17’
6
1440
375
48
116.4
58.2
RST (or) RSTO-71848
8
1
/
2
8
1
/
4
45
17’6”
7
1620
175
22
54.0
27.0
RST (or) RSTO-31922
8
1
/
2
8
1
/
4
25
18’8”
3
725
15,000
10’6” (Dia.)
225
30
73.0
36.5
RST (or) RSTO-41930
8
1
/
2
8
1
/
4
30
19’
4
1055
Gal.
x
275
36
87.6
43.8
RST (or) RSTO-51936
8
1
/
2
8
1
/
4
35
18’6”
5
1230
23’3”
325
45
109.2
54.6
RST (or) RSTO-61945
8
1
/
2
8
1
/
4
40
19’
6
1530
375
56
136.0
68.0
RST (or) RSTO-72156
8
1
/
2
8
1
/
4
45
20’6”
7
1830
175
24
58.7
29.4
RST (or) RSTO-32024
8
1
/
2
8
1
/
4
25
19’6”
3
755
20,000
10’6” (Dia.)
225
36
87.6
43.8
RST (or) RSTO-42336
8
1
/
2
8
1
/
4
30
23’
4
1205
Gal.
x
275
48
116.4
58.2
RST (or) RSTO-52548
8
1
/
2
8
1
/
4
35
25’
5
1605
30’10
1
/
2
”
325
60
145.2
72.6
RST (or) RSTO-62660
8
1
/
2
8
1
/
4
40
25’6”
6
1790
375
72
174.2
87.1
RST (or) RSTO-72672
8
1
/
2
8
1
/
4
45
26’
7
2260
*Heated length is four inches shorter than “B” dimension.
**All amperes based on 3-phase 60 cycle power.
† T suffix letter indicates 7 day 24 hour time clock, F suffix letter indicates flange mounting instead of adaptor box.
3” Schedule 40
Steel Pipe
Immersed Length or “B”
Dimension From End
Of Adaptor Box To
End Of Tubes
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Summary
GENERAL The Chromalox Unitary Electric Immersion Heater, Type RST or RSTO, is a thoroughly engineered pretested package designedto give years of service vitrually maintenance free and shippedready for installation in storage tank. They provide low wattdenisty heating over a large heating surface wit...
CAUTION: To avoid possible damage to the heater, do not energize until the tank is filled with fluid.Recommended fluid level is 2” above the heatertube or pipe. 1. Turn the master circuit breaker off and open the control box door. 2. Set the indicating temperature control at the desired temperaturea...
MAINTENANCE OPTIONAL EQUIPMENT TMC 7-day Calendar, Electric Dial Timer is used to provide automatic start-up/off-on control of large tank heaters or could beset up for non-peak operation. Standard features: 7-day calendardial permits different on/off schedules on different days of week.2 to 14 repla...
