Chromalox PN401 - Manual
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Table of Contents:
- Page 2 – The Chromalox FXTH Flexible Tank Heater is designed for heat-; PRE·INSTALLATION CHECK OF HEATER; Inspect shipping crates before opening. Contact the carrier if; Figure A
- Page 3 – Manhole Cover; Hazard of Fire. If adapter is to be welded directly into; Manhole Cover Adapter Assy.
- Page 4 – In tanks where the configuration does not allow following; Figure G – Tanks with Manholes Near End; INSTALLATION OF FXTH TERMINAL HOUSING
- Page 5 – Over-temperature control is located in the Chromalox; OCC & WCC Control Center
- Page 6 – Hazard of electric shock. Any installation involving; breaker and panel switch are in “off” position.; Jumper terminals S to S; Specifications – OCC and WCC Control Center (All Phases)
- Page 7 – OPTIONAL EQUIPMENT; (FXTH Heater Assembly and Control Center will have; When Thermocouples with external resistance higher than 10; ABBREVIATED TABLE OF THERMOCOUPLE RESISTANCE; CHROMALOX TYPE TMC 7-DAY TIMER; “Automatic” Setting -; allows the Day-Night Clock Panel to cycle; Seven Day
- Page 8 – What the Catalog Number means:
PN401
FXTH
161-051300-001
FEBRUARY, 2008
4
and
Installation, Operation
RENEWAL PARTS IDENTIFICATION
Chromalox
®
Chromalox Type FXTH Flexible Tank Heater
Amp / Tube
Catalog Number of Recommended
Minimum
Heater
Heater
No. Tubes
Approx
OCC or WCC Control Centers
Manhole
Length
Width
and
Catalog
Net Wt.
kW
240
480
Size (In.)
B
C
Circuits
Number*
Lbs.
240V
480V
*Suffix letters with FXTH Catalog Number indicate modification from standard as follows:
V= Voltage, W= Wattage, A= change in riser length, R= low temperature alarm contactor, D= temperature indicator and XX = special.
Thermowell
3/4” NPT
Thermowell
Riser
Three Tube
Heater Assembly
Two Tube
Heater Assembly
Single Tube
Heater Assembly
Heater
Terminal
Housing
2-1/2” NPT
6-1/4”
2”
Vent Tube
Notes:
1. Min. fluid Depth for safe heater operation is 12”.
2. 5/8” - 11 x 1 in. long hex head bolts. 8 required.
Heater Terminal Housing
Gasket (Furnished)
Manhole Adapter (Optional)
Customer Manhole Cover
Lifting Cables
Overtemperature
Sensor
C
9-3/16”
14’
B
8”
12”
Bolts. See
Note 2
6
15
7
14
12’3-3/4”
5-1/4
1
FXTH-11206
79
(OCC or WCC)-15-213
WCC-10-413
8
19
10
14
15’3-3/4”
5-1/4
1
FXTH-11508
97
WCC-25-213
WCC-10-413
10
24
12
14
15’3-3/4”
5-1/4
1
FXTH-11510
97
WCC-25-213
WCC-15-413
12
29
14
14
15’3-3/4”
5-1/4
1
FXTH-11512
97
WCC-30-213
WCC-15-413
10
24
12
14
20’3-3/4”
5-1/4
1
FXTH-12010
127
WCC-25-213
WCC-15-413
12
29
14
14
20’3-3/4”
5-1/4
1
FXTH-12012
127
WCC-30-213
WCC-15-413
15
36
18
14
20’3-3/4”
5-1/4
1
FXTH-12015
127
WCC-40-213
WCC-20-413
18
43
22
14
27’1”
5-1/4
1
FXTH-12718
170
WCC-45-213
WCC-25-413
21
51
25
14
30’1”
5-1/4
1
FXTH-13021
190
WCC-55-213
WCC-30-413
24
58
29
14
32’1”
5-1/4
1
FXTH-13224
205
WCC-60-213
WCC-30-413
27
65
33
14
35’1”
5-1/4
1
FXTH-13527
225
WCC-70-213
WCC-35-413
30
72
36
14
40’1”
5-1/4
1
FXTH-14030
250
WCC-75-213
WCC-40-413
12
15
7
18
12’3-3/4”
10-1/4
2
FXTH-21212
157
WCC-15-223
WCC-10-423
16
19
10
18
15’3-3/4”
10-1/4
2
FXTH-21516
194
WCC-25-223
WCC-10-423
20
24
12
18
15’3-3/4”
10-1/4
2
FXTH-21520
194
WCC-25-223
WCC-15-423
24
29
14
18
15’3-3/4”
10-1/4
2
FXTH-21524
194
WCC-30-223
WCC-15-423
20
24
12
18
20’3-3/4”
10-1/4
2
FXTH-22020
253
WCC-25-223
WCC-15-423
24
29
14
18
20’3-3/4”
10-1/4
2
FXTH-22024
253
WCC-30-223
WCC-15-423
30
36
18
18
20’3-3/4”
10-1/4
2
FXTH-22030
253
WCC-40-223
WCC-20-423
36
43
22
18
27’1”
10-1/4
2
FXTH-22736
340
WCC-45-223
WCC-25-423
42
51
25
18
30’1”
10-1/4
2
FXTH-23042
380
WCC-55-223
WCC-30-423
48
58
29
18
32’1”
10-1/4
2
FXTH-23248
405
WCC-60-223
WCC-30-423
54
65
33
18
35’1”
10-1/4
2
FXTH-23554
440
WCC-70-223
WCC-35-423
60
72
36
18
40’1”
10-1/4
2
FXTH-24060
500
WCC-75-223
WCC-40-423
18
15
7
24
15’3-3/4”
15-1/4
3
FXTH-31218
236
WCC-15-233
WCC-10-433
30
24
12
24
15’3-3/4”
15-1/4
3
FXTH-31530
291
WCC-25-233
WCC-15-433
36
29
14
24
15’3-3/4”
15-1/4
3
FXTH-31536
291
WCC-30-233
WCC-15-433
30
24
12
24
20’3-3/4”
15-1/4
3
FXTH-32030
370
WCC-25-233
WCC-15-433
36
29
14
24
20’3-3/4”
15-1/4
3
FXTH-32036
370
WCC-30-233
WCC-15-433
45
36
18
24
20’3-3/4”
15-1/4
3
FXTH-32045
370
WCC-40-233
(OCC or WCC)-20-433
© 2010 Chromalox, Inc.
Specifications – Type FXTH
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Summary
GENERAL UNCRATING AND HANDLING OF HEATER The Chromalox FXTH Flexible Tank Heater is designed for heat- ing viscous liquids in large steel, concrete or fibrous glass tanks withnormal manhole entry. Standard equipment with every heaterincludes flexible pipe and 14’ riser(s), two lifting cables, 4” hig...
PREPARATION OF TANK TO RECEIVE HEATER INSTALLATION OF HEATER ASSEMBLY IN TANK Manhole Cover 3/8” Min. 8 - 3/8” - 11 Drilled andTapped Equally SpacedHoles on 11-3/4” B.C. 22-1/2” 9-1/2” ± 1/4” Dia. HoleBy Customer ConduitOpening 13” Dia.(See Note 1)By Customer Figure B Figure C Machining of Manhole C...
INSTALLATION OF HEATER ASSEMBLY IN TANK (cont’d.) 5. Begin lowering heater into tank as per Figure G, Step 1 thru 3(end manhole) or Figure H, Step 4 thru 7 (center manhole). Oncethe heater has touched bottom, use pulling wire (front liftingcable) to pull heater toward far end of tank. 6. Before lowe...
