Chromalox Electric Heater PE417 3 User Manual

®
Chromalox  
SERVICE REFERENCE  
Installation, Operation  
DIVISION  
SALES  
4
SECTION GCH  
(Supersedes PE417-2)  
and  
REFERENCE  
PE417-3  
RENEWAL PARTS IDENTIFICATION  
161-025752-001  
DATE  
FEBRUARY, 1999  
Type GCH/GCHIS Circulation Heater  
(for Steam, Gas and Air Heating)  
3/4" NPT  
Pipe Plug  
Outlet  
Outlet  
Temperature  
Control  
(when  
Mounting  
Lugs  
specified)  
2 Mtg.  
Lugs Ea. - Min.  
Inlet  
OR  
Inlet  
K.O. for Conduit  
Terminal  
Housing  
K.O. for Conduit  
Temperature  
Control  
Terminal  
Housing  
(when  
specified)  
Specifications – Design is dependent upon size of heater and customer's specifications.  
GENERAL  
The GCH/GCHIS series is a general purpose gas or steam circu-  
lation heater intended for indoor use. This heater can be used in an  
outdoor environment, if ordered with an E4 moisture-resistant termi-  
nal enclosure and a weatherproof insulation jacket. Also available is  
an E3 explosion-resistant terminal enclosure. Consult with  
Chromalox for operating restrictions in hazardous locations. Note:  
The GCHIS is intended for use in corrosive or high temperature  
applications.  
WARNING: Safe operating conditions depend on oper-  
ating pressure, mass velocity of gas and discharge  
temperature of the gas. At a given discharge gas tem-  
perature, heater element sheath temperature and  
pipe body temperature will increase as gas flow (mass  
velocity) decreases. The standard GCH has a 750˚F  
limitation on the carbon steel body and 1500˚F limit  
®
on the INCOLOY sheath elements. Pressure limits  
The INCOLOY® sheathed tubular elements are centered in a  
steel/stainless steel heating chamber and welded to a removable  
steel/stainless steel flange. The number of elements will vary,  
depending upon the flange size used. Some units are fitted with baf-  
fles to increase the flow. They are designated as GCHB. The assem-  
bly is surrounded by insulation and a sheet metal jacket.  
vary as the temperature of the vessel increases. If the  
vessel temperatures exceed 250˚F or operating pres-  
sure is greater than 100psi, the vessel limits must be  
evaluated at the specific pressures and temperatures  
expected during operation. Contact Chromalox if any  
doubt exists as to temperatures that will be encoun-  
tered in your specific application. At pipe body tem-  
peratures above 750˚F, a stainless steel body is  
required (Model GCHIS).  
WARNING: Do not exceed the Pressure-Temperature  
rating of the flange as listed in ANSI B16.5. Before  
installing, local codes must be reviewed to verify  
ASME Certification of the pressure vessel is not a  
requirement. If required, contact Chromalox.  
Depending upon the order specifications, the GCH/GCHIS may  
or may not be factory equipped with an AR or other Chromalox ther-  
mostat. Such thermostats function to control outlet temperatures and  
to limit internal temperatures under abnormal flow conditions. These  
controls are not fail-safe.  
WARNING: Users should install adequate back-up con-  
trols and safety devices with their electric heating  
equipment. When heating in closed vessels where the  
consequences of failure may be severe, controls and  
back-up controls must be used to prevent buildup of  
temperature and/or pressure. Although the safety of  
the installation is the responsibility of the user,  
Chromalox will be glad to make equipment recom-  
mendations.  
WARNING: This heater is not intended for use in haz-  
ardous atmospheres where flammable vapors, gases,  
liquids or other combustible atmospheres are present  
as defined in the National Electrical Code. Failure to  
comply can result in explosion or fire.  
© 2010 Chromalox, Inc.  
 
TYPICAL WIRING DIAGRAMS  
3 Series  
L1  
L3  
L1  
L1  
L3  
L2  
L1  
L2  
L2  
L2  
380-600V, 1Ø, SERIES  
208-600V, 3ØΔ  
208-600V, 3Ø Y  
L1  
208-600V, 1Ø  
6 SERIES  
L1  
L1  
L2  
L1  
L1  
L1  
L2  
L2  
L2  
L3  
L2  
L3  
L3  
L2  
L3  
208-240V, 3Ø, PARALLEL Δ  
240V, 1Ø (15 kW Max)  
208-230V, 1Ø (12 kW Max)  
208-600V, 3Ø Y  
2 CIRCUITS  
380-600V, 3Ø, SERIES Δ  
380-600V, 1Ø, SERIES  
12 Series  
L1  
L1  
L3  
L3  
L1  
L2  
L2  
Figure 13  
L2  
380-600V, 1Ø PARALLEL  
208-600V, 3Ø, PARALLEL Δ  
380-600V, 3Ø, SERIES Δ  
18 Series  
1L1  
L3  
L1  
3L2  
L1  
L2  
1L2  
1L3  
3L3  
L1  
L2  
3L1  
2L3  
L3  
2L1  
2L2  
L2  
380-600V, 3Ø, SERIES Δ  
380-600V, 1Ø, PARALLEL  
208-600V, 3Ø, PARALLEL Δ  
208-600V, 3Ø, PARALLEL Δ, 3 CIRCUITS  
27 Series  
36 Series  
2L2  
2L3  
3L1  
3L2  
1L1  
1L2  
2L1  
1L1  
3L3  
1L2  
1L3  
1L3  
2L1  
2L2  
2L3  
3L1  
3L3  
3L2  
208-600V, 3ØΔ, 3 CIRCUITS  
208-600V, 3ØΔ, 3 CIRCUITS  
36 Series  
45 Series  
1L1  
1L2  
1L1  
1L2  
2L1  
1L3  
1L3  
2L2  
2L3  
2L1  
3L1  
3L2  
2L2  
2L3  
3L1  
3L3  
3L2  
3L3  
380-600V, 3Ø, 3 CIRCUITS, SERIES Δ  
208-600V, 3ØΔ, 3 CIRCUITS  
 
RENEWAL PARTS IDENTIFICATION  
Contact Chromalox Product Service for a list of the necessary replacement parts of your specific heater.  
Limited Warranty:  
Please refer to the Chromalox limited warranty applicable to this product at  
2150 N. RULON WHITE BLVD., OGDEN, UT 84404  
99 - 042  
TA - P9 - EF  
Litho in U.S.A.  
Phone: 1-800-368-2493  
 

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