Despatch LBB2-xxA/B-2 - Manual (Page 5)

LBB Series Oven Owner’s Manual P REFACE
Version 18 5
Table of Contents
1. About This Manual ............................................................................................................. 8
1.1. Important User Information ..................................................................................... 8
1.2. Manufacturer & Service .......................................................................................... 9
1.3. Organization of this Manual .................................................................................... 9
1.4. Conventions ........................................................................................................... 10
1.5. Specifications ........................................................................................................ 11
1.5.1.
Dimensions ........................................................................................................ 11
1.5.2. Capacities .......................................................................................................... 12
1.5.3. Power ................................................................................................................. 13
1.5.4. Temperature ....................................................................................................... 14
1.5.5. LBB Series Oven Operating Conditions ........................................................... 14
2. Safety ................................................................................................................................ 15
2.1. Safety Information ................................................................................................. 15
2.1.1.
Lockout .............................................................................................................. 15
2.1.1.1. Lockout Requirements ................................................................................... 15
2.1.1.2. Lockout Procedure ......................................................................................... 15
2.2. Provisions for Lifting and Carrying....................................................................... 16
2.3. Maintenance .......................................................................................................... 16
2.4. Electrical Power ..................................................................................................... 16
2.5. Fire ......................................................................................................................... 17
2.6. Equipment Lockout Requirements ........................................................................ 17
2.6.1.
Emergency Stop ................................................................................................. 18
2.7. Disconnecting Devices .......................................................................................... 18
2.7.1.
Power Requirements .......................................................................................... 18
2.7.2. Disconnecting Hard-Wired Units ...................................................................... 18
2.7.3. Disconnecting Corded Units .............................................................................. 19
2.7.4. Disconnecting Units with (Optional) Disconnect Switch .................................. 19
3. Theory of Operation ......................................................................................................... 20
3.1. The LBB Series Oven ............................................................................................ 20
3.1.1.
Oven Theory ...................................................................................................... 21
3.2. Control Systems..................................................................................................... 21
3.2.1.
Primary Control Instrument ............................................................................... 21
3.2.2. High Limit Instrument ....................................................................................... 22
3.2.2.1. Product High Limit Instrument ...................................................................... 23
3.2.2.2. Oven High Limit Instrument ......................................................................... 23
3.3. The Protocol 3 Controller (Optional) .................................................................... 23
4. Assembly & Setup ............................................................................................................ 24
4.1. Unpack & Inspect the LBB Series Oven ............................................................... 24
4.1.1.
If Damaged During Shipping ............................................................................ 24
4.2. Set-up the LBB Series Oven .................................................................................. 24
4.2.1.
Select Oven Location/Operating Environment .................................................. 24
4.2.2. Set-up Procedure ............................................................................................... 25
4.2.3. Wiring & Power Connections ........................................................................... 25
5. Operation .......................................................................................................................... 28
5.1. Load Oven ............................................................................................................. 28
5.2. Pre-Startup Checklist ............................................................................................. 29
5.3. Operating Procedure—Standard Control Instrument ............................................ 30
5.3.1.
Start Oven .......................................................................................................... 30
5.4. Working with the Control Instrument ................................................................... 32