Water Heater User Manual

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Chromalox

DIVISION

SECTION

GTF

SALES

REFERENCE

DATE

SERVICE REFERENCE

Installation Instructions

PD444-2

161-562652-001

DECEMBER, 2004

(Supersedes PD444-1)

GENERAL

FIRE/EXPLOSION HAZARD: This heater is not

intended for use in hazardous atmospheres where

flammable vapors, gases, liquids, or other com-

bustible atmospheres are present as defined in

the National Electrical Code. Failure to comply can

result in explosion or fire.

Chromalox type GTF series of Teflon

over-the-side immer-

sion heaters are especially suited for most plating tank and other

corrosive solutions. It is inert to acid baths, anodizing and picking

operations up to 212˚F solution temperatures.

Sheath corrosion can result in a ground fault

which, depending upon the solution being heated,

can cause an explosion or fire.

IMPORTANT: It is the responsibility of the pur-

chaser of the heater to make the ultimate choice

of sheath material based upon his knowledge of

the chemical composition of the corrosive solu-

tion, character of the materials entering the solu-

tion, and controls which he maintains on the

process. Chromalox cannot warrant any electric immersion

heater against failure by sheath corrosion if such failure is the

result of operating conditions beyond our control.

1. Heater Construction Characteristics

A. High quality resistance wire held in place by compacted mag-

nesium oxide in stainless steel sheath and Teflon

covered.

B. Low watt density.

C. Grounded construction.

D. Over-temperature protection.

E. Epoxy filled, vapor tight, plastic terminal enclosure prevents

entry of contaminants.

F. Flexible conduit 3’ long with 6” leadwire extension is stan-

dard.

The system designer is responsible for the safety

of this equipment and should install adequate

back-up controls and safety devices with their

electric heating equipment. Where the conse-

quences of failure could result in personal injury

or property damage, back-up controls are essen-

tial.

Chromalox

Type GXF/GTF/GTFL Series

Grounded Teflon

Immersion Heaters

GTFL3

GTF6

* Teflon

is a registered trademark of DuPont Co.

GTFGXF/GXFL

Summary of content (4 pages)

PAGE 1
Chromalox ® Installation Instructions SERVICE REFERENCE DIVISION 4 SALES REFERENCE SECTION (Supersedes PD444-1) GTF PD444-2 161-562652-001 DATE DECEMBER, 2004 Chromalox® Type GXF/GTF/GTFL Series Grounded Teflon® Immersion Heaters GXF/GXFL GTF GTFL3 GTF6 GENERAL FIRE/EXPLOSION HAZARD: This heater is not intended for use in hazardous atmospheres where flammable vapors, gases, liquids, or other combustible atmospheres are present as defined in the National Electrical Code.
PAGE 2
INSTALLATION ELECTRIC SHOCK HAZARD. Disconnect all power before installing or servicing heater. Failure to do so could result in personal injury or property damage. Heater must be installed by a qualified person in accordance with the National Electrical Code, NFPA 70. 1. Before installing the type GTF heater, inspect it for possible damage which may have occurred during shipment. Also, check to insure that the line voltage is the same as that stamped on the nameplate. 2.
PAGE 3
OPERATION 1. Do not operate heater at voltages in excess of that stamped on the heater since excess voltage will shorten heater life. 2. Always maintain a minimum of 2” of solution above the heated portion of the element to prevent exposure of the effective heated length. If the heater is not properly submerged, it may overheat and shorten heater life. Do not operate heater if dry. 3.
PAGE 4
THERMAL FUSE INSTALLATION/REPLACEMENT (con’t.) Thermal Fuse Replacement Protection Devices Model Number Used On FT RFT Std. Teflon® Heaters FLT RFLT L- Shaped Teflon® Heaters F Amp Capacity - 25 Amps; RF Amp Capacity - 5 Amps; Blank (low) Temp = 180˚F Low temp. most common for this style heater. RF sensors require additional Control Components which include a Relay, Audible Alarm, and Manual Reset Pushbutton. Specify 120 or 240V when ordering. For process temperatures above 180˚F, consult factory.