Omega Vehicle Security Electric Heater SH73343 User Manual

OPERATING INSTRUCTIONS  
M3688 0701  
OMEGA  
SH SERIES  
Air Heaters  
MODEL NUMBERS  
SH-73343  
SH-73344  
SH-73345  
SH-73346  
SH-73347  
SH-73348  
FOR SAFETY AND LONG HEATER LIFE, CAREFULLY READ THIS MANUAL BEFORE USE.  
Description  
Compact, safe and versatile heating unit for heating air or inert gas up to 1400°F. The SH-Series is available in  
wattages from 6kW to 36kW, and can be use with compressed air or a regenerative blower. The SH heater is  
designed for closed-loop temperature control, with a solid-state relay or phase angle fired SCR power control.  
Sensors inside the heater sense both element temperature and inlet air temperature and limit heater voltage and  
prevent element burnout if airflow is suddenly reduced. With this system, full power may safely be applied to the  
system with zero airflow. If operated correctly, the heater element will operate continuously for 5000 hours or longer.  
Specifications  
Max. Static Pressure: 10 PSI  
Max. Exit Air Temp: 1400°F  
Max. Inlet Air Temp:  
Exit Connection:  
Inlet Connection:  
Control:  
130°F  
1-1/2" NPT  
1-1/4” NPT  
Closed Loop: 4-20mADC or Pulsed DC (3-32V, etc.)  
Dual-Input Limit Card mounted on a 6” x 3.15” x 1.6” deep snap track.  
Mount track to control cabinet using two #8 mounting screws, drilled 5.63” O.C.  
Over-Temp Circuit:  
System (Heater  
+ Over-Temp)  
SH-73343  
kW  
Max. Volts  
Max. Amp  
Draw  
25.0  
Replacement  
Element P/N  
SH-73351  
SH-73352  
SH-73353  
SH-73354  
SH-73355  
SH-73356  
6
6
10  
10  
18  
36  
240-1 phase  
480-3 phase  
240-1 phase  
480-3 phase  
480-3 phase  
480-3 phase  
SH-73344  
SH-73345  
SH-73346  
SH-73347  
7.2  
41.7  
12.0  
21.7  
SH-73348  
43.4  
Safety  
!
!
!
SHOCK HAZARD Only qualified individuals should install this heater and related controls. Follow all applicable  
electrical codes and use proper wiring.  
WARNING! Sensors are at or near line voltage. Use teflon jacketed, teflon insulated “K” thermocouple wire  
to connect heater sensors to the over-temperature board.  
BURN/FIRE/EXPLOSION HAZARD Do not use with or near explosive or reactive gases. Avoid contact with the  
side, or exposure to the exit-end, during or soon after operation. DO NOT USE NEAR VOLATILE OR  
COMBUSTIBLE MATERIALS.  
Page 1  
 
OPERATING INSTRUCTIONS  
OMEGA  
S H -S eries M axim um P erform ance  
(M easured by "K " therm ocouple located 1" from heater exit with 70°F  
inlet air)  
1600  
1400  
1200  
1000  
800  
600  
400  
200  
0
6 K W  
10 K W  
18 K W  
36 K W  
0
1000  
2000  
3000  
4000  
5000  
6000  
7000  
8000  
A ir Flow (S C FH )  
N ote: True air tem perature is  
approx. 100°F above lines indicated.  
Therm ocouple readings tend to be low er due  
to therm al m ass/heat sink effects.  
Warranty  
Omega warrants that all products to be delivered hereunder will be free from defects in material and  
workmanship at the time of delivery. Omega's obligation under this warranty shall be limited to (at its option)  
repairing, replacing, or granting a credit at the prices invoiced at the time of shipment for any of said products.  
This warranty shall not apply to any such products which shall have been repaired or altered, except by  
Omega, or which shall have been subjected. Omega shall be liable under this warranty only if (A)  
Omega receives notice of the alleged defect within sixty (60) days after the date of shipment; (B) the  
adjustment procedure hereinafter provided is followed, and (C) such products are, to Omega’s  
satisfaction, determined to be defective.  
THE WARRANTY SET FORTH IN THE PRECEDING PARAGRAPH IS EXCLUSIVE AND IN LIEU OF ALL OTHER  
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTY OF  
FITNESS FOR A PARTICULAR PURPOSE OR OF MERCHANTABILITY.  
The information contained in this manual is based on data considered to be true and accurate. Reasonable  
precautions for accuracy has been taken in the preparation of this manual, however Omega assumes no  
responsibility for any omissions or errors, nor assumes any liability for damages that may result from the use of the  
product in accordance with the information contained in this manual.  
Please direct all warranty/repair requests or inquiries with the following information,  
in writing:  
(A)  
(B)  
(C)  
Order number under which products were shipped  
Model/Serial Number of product  
Reason for rejection  
PRODUCTS CANNOT BE RETURNED AUTHORIZATION.  
Replacement, repair, or credit for products found to be defective will be made by the place of purchase. All products  
found to be not defective will be returned to the Buyer; transportation charges collect or stored at Buyers expense.  
Page 3  
 
OPERATING INSTRUCTIONS  
OMEGA  
WIRING DIAGRAM  
MOUNTING DIMENSIONS  
Page 4  
 

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