
Installation and Operation Manual SMO5HP-2 Previously designated as HF4-2 Sheldon High-Performance Oven 230 Voltage
10 | P a g e INSTALLATION (CONTINUED) LEVELING The oven must be level and stable for safe operation. Each high performance oven ships with four
11 | P a g e INSTALLATION (CONTINUED) SHELVING INSTALLATION The horizontal airflow within the chamber moves from the right-wall chamber duct t
12 | P a g e CONTROL PANEL OVERVIEW Figure 3: Control Panel Power Switch The main power switch on the control panel (green lighted I/O) controls
13 | P a g e CONTROL PANEL OVERVIEW (CONTINUED) Vent Valves The SMO5HP-2 comes provided with two vent valve controls on its front control panel.
14 | P a g e OPERATION OPERATING PRECAUTIONS Warning: The SMO5HP-2 is not an explosion proof unit! The oven is not designed to safely contain combu
15 | P a g e OPERATION (CONTINUED) Airflow and Applications During normal operations an internal blower fan motor pulls air in through the int
16 | P a g e OPERATION (CONTINUED) SET THE OVER TEMPERATURE LIMIT This procedure sets the Over Temperature Limit backup system. This is typically
17 | P a g e OPERATION (CONTINUED) FIRST USE BURN IN The steps below will help to eliminate smoking from the heating elements’ protective coatings
18 | P a g e OPERATION (CONTINUED) Note: The accuracy of the calibration process is limited by the accuracy of your reference temp
19 | P a g e OPERATION (CONTINUED) CLOSED VENTS The oven can be run with the exhaust vent closed if required for your application or process. Howe
2 | P a g e Sheldon Manufacturing Oven High Performance 230 Voltage Installation and Operation Manual Part Number (Manual): 4861706 Revision: July
20 | P a g e OPERATION (CONTINUED) PROGRAMMED OPERATIONS The Watlow controller can hold four (4) ten-step heating profiles. Additionally, profi
21 | P a g e OPERATION (CONTINUED) Activating and Deactivating the Power Exhaust To activate the power exhaust as part of a heating profile step,
22 | P a g e USER MAINTENANCE Warning: Prior to any maintenance or service on this unit, disconnect the power feed from the power supply. Avertiss
23 | P a g e MAINTENANCE (CONTINUED) DOOR LATCH AND ELECTRONICS Periodically, inspect the door latch, trim, catch, and gasket for signs of deterio
24 | P a g e MAINTENANCE (CONTINUED) REMOVING THE CHAMBER LINER This procedure removes the ceiling liner and the side wall air ducts. The liner an
25 | P a g e UNIT SPECIFICATIONS The SMO5HP-2 is a 230 voltage unit. Please refer to the oven’s data plate for individual electrical specifications
26 | P a g e UNIT SPECIFICATIONS (CONTINUED) TEMPERATURE All temperature performance data for 25°C ambient conditions Range Uniformity Stability A
27 | P a g e REPLACEMENT PARTS Description Parts Number Adjustable Feet SMO5HP-2 2700512 Chamber Gasket Silicone (unit is per foot, requires 8 f
3 | P a g e TABLE OF CONTENTS General Safety Considerations ...
4 | P a g e INTRODUCTION Thank you for purchasing a Sheldon Manufacturing High Performance Oven. We know that in today’s competitive marketplace,
5 | P a g e INTRODUCTION (CONTINUED) ENGINEERING IMPROVEMENTS Sheldon Manufacturing continually improves all of its products. As a result, enginee
6 | P a g e RECEIVING YOUR OVEN Before leaving our factory, all High Performance Ovens are packaged in high-quality shipping materials to provide p
7 | P a g e Figure 1: Orientation Photo RECEIVING (CONTINUED) ORIENTATION Back Panel Fuse Holders External Power Outlet Nitrogen Gas Inlet
8 | P a g e GRAPHIC SYMBOLS The oven is provided with multiple graphic symbols on its external and internal surfaces. The symbols identify hazards
9 | P a g e INSTALLATION Installation of an SMO5HP-2 requires permanent connect wiring (commonly known as hardwiring), and must be performed by
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