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Omega Engineering SH73343 Operating Instructions

Sh series air heaters
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OPERATING INSTRUCTIONS
M3688
0701
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.
wattages from 6kW to 36kW, and can be use with compressed air or a regenerative blower.
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:
Max. Inlet Air Temp:
Exit Connection:
Inlet Connection:
Control:
Over-Temp Circuit:
System (Heater
+ Over-Temp)
SH-73343
SH-73344
SH-73345
SH-73346
SH-73347
SH-73348
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.
Pa ge 1
1400°F
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.
kW
Max. Volts
6
240-1 phase
6
480-3 phase
10
240-1 phase
10
480-3 phase
18
480-3 phase
36
480-3 phase
Max. Amp
Replacement
Draw
Element P/N
25.0
SH-73351
7.2
SH-73352
41.7
SH-73353
12.0
SH-73354
21.7
SH-73355
43.4
SH-73356
OMEGA
The SH-Series is available in
The SH heater is

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  Summary of Contents for Omega Engineering SH73343

  • Page 1: Specifications

    OPERATING INSTRUCTIONS M3688 0701 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. wattages from 6kW to 36kW, and can be use with compressed air or a regenerative blower.
  • Page 2 OPERATING INSTRUCTIONS Precautions Use filtered air. Avoid grease, oil, or oil vapors, corrosive or reactive gases which will damage heater. Use exposed junction type “K” thermocouple within one inch of the heater exit for good control. Installation and Wiring See attached drawings. WARNING! Sensors are at or near line voltage.
  • Page 3 OPERATING INSTRUCTIONS S H -S e r ie s M a x im u m P e r fo r m a n c e (M e a s u re d b y " K " th e rm o c o u p le lo c a te d 1 " fro m h e a te r e x it w ith 7 0 ° F 1 6 0 0 1 4 0 0 1 2 0 0...
  • Page 4 OPERATING INSTRUCTIONS OMEGA WIRING DIAGRAM MOUNTING DIMENSIONS Pa ge 4...

This manual is also suitable for:

Sh-73343Sh-73344Sh-73345Sh-73346Sh-73347Sh-73348