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Overview
Microprocessor-based integrated burner control for industrial semi-automatically fired gas, oil, coal or combination fuel single burner applications. Provides level of safety, functional capability and features beyond conventional controls.
Features
- Functions include purge, burner pilot startup, flame supervision, system status indication, system or self diagnosis and troubleshooting.
- Delays admission of fuel to combustion chamber until pilot flame has been proven and then monitors the flame through the run period while providing system status indication.
- Includes Keyboard Display Module.
- Five LEDs provide sequence information.
- Intermittent pilot valve.
- Interchangeable plug-in flame amplifier.
- Access for external electrical voltage checks.
- Nonvolatile memory retains history files and lockout status after loss of power.
- Selectable pilot flame establishing period.
- Provides application flexibility and optional communication interface capability.
- Compatible with existing Honeywell flame detectors.
Product Specifications
|
Application |
Semi Automatic Programming Control |
|
Dimensions (in.) |
5 in. wide x 5 in. high x 5 1/4 in. deep with Q7800A Subbase x 6 3/32 in. deep with Q7800B Subbase |
|
Dimensions (mm) |
127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B Subbase |
|
Weight (lb) |
1 lb 10 oz |
|
Weight (kg) |
0.7 kg |
|
Comments |
Includes S7800 Display |
|
Item Type |
Product |
|
Frequency |
50 Hz; 60 Hz (±10%) |
|
Approvals, Underwriters Laboratories Inc. |
Component Recognized, File No. MP268; Guide No. MCCZ. |
|
Approvals, Canadian Standards Association |
Certified, File No. LR95329-3. |
|
Voltage |
120 Vac (+10, -15%) |
|
Shipping and Storage Temperature Range (F) |
-40 F to +140 F |
|
Shipping and Storage Temperature Range (C) |
-40 C to +60 C |
|
Approvals, Federal Communications Commission |
FCC Part 15, Class B, Emissions. |
|
Flame Establishing Period – Pilot |
4 sec or 10 sec |
|
Flame Establishing Period – Main |
Intermittent |
|
Interlocks |
Running |
|
PrePurge |
Determined by ST7800A Purge Timer Card |
|
Required Components |
Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card. |
|
Pilot Type |
intermittent |
|
Vibration |
0.5 G environment |
|
Approvals, Control Safety Devices |
Acceptable: CSD-1 |
|
Approvals, Swiss RE |
Acceptable |
|
Approvals, Factory Mutual |
Report No. OX4A5.AF. |
