7556P152MU Beckett GeniSys 12V Primary Control
The Beckett GeniSys 7556 is a 12 VDC advanced primary safety control designed for oil burners used in mobile and off-grid heating equipment such as pressure washers, asphalt distributors, road stripers, crack sealers, and hot patchers. It offers programmable valve-on and motor-off delays, a 15-second safety lockout, and advanced diagnostic capabilities when paired with the Beckett GeniSys Contractor Tool.
⚠️ Important Notes
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Must be installed by a qualified technician.
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Ensure proper use with a compatible CAD cell flame sensor for safe and reliable operation.
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Not suitable for high-voltage line-powered systems; designed specifically for 12 VDC applications.
✅ Key Features
✅ 12 VDC Operation — Ideal for mobile/off-grid burner applications
✅ Programmable Delays — Valve-on and motor-off delay configurable with Beckett GeniSys Contractor Tool (52082)
✅ Moisture Resistant — Epoxy-potted for harsh environments
✅ Enhanced Safety — Dual redundant motor relays with welded relay protection
✅ Alarm Output — Visual/audio lockout or flame failure alerts
✅ Diagnostics Memory — Stores last 15 cycles for troubleshooting
✅ Interrupted Ignition — Reduces wear and improves efficiency
✅ Relight & Fused Protection — Built-in relight function and fuse safeguards components
✅ High Ambient Temperature Rating — Operates reliably from -40°F to +160°F
✅ Quick Lockout — 15-second lockout ensures safe operation
⚙️ Technical Specifications
| Category | Description |
|---|
| Model |
Beckett GeniSys 7556P152MU |
| Voltage Input |
12 VDC nominal (11–16 VDC) |
| Input Current |
160 mA + motor, igniter, and valve loads |
| Motor Output |
12 VDC, 20 FLA, 100 LRA |
| Igniter Output |
12 VDC, 5 A |
| Solenoid Valve Output |
12 VDC, 2 A |
| Lockout Alarm Output |
12 VDC, 2 A |
| Lockout Time |
15 seconds |
| Motor-Off Delay |
2 minutes (programmable) |
| Valve-On Delay |
Programmable |
| Operating Temperature Range |
-40°F to +160°F (-40°C to +71°C) |
| Moisture Rating |
5–95% RH, condensing |
| Ignition Type |
Interrupted ignition |
| Lockout Type |
Safety lockout with alarm output |
| Memory Storage |
Last 15 cycles for diagnostics |
| Mounting |
Standard 7556 base mount |
| Compliance |
Beckett OEM and aftermarket compatible |
🔁 Replaces
Beckett 7434, 7556P152M, 7556P-152M, 7556P-152, 7556P152
📦 Includes
⚠️ Symptoms of a Faulty GeniSys 7556 Control
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Burner fails to ignite or igniter does not spark
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Frequent lockouts or flame failures
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Burner motor does not start or stops unexpectedly
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Valve-on or motor-off delays do not function correctly
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Alarm output activates without cause
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Control does not store recent cycles for diagnostics
❓ FAQ
Q: Can this control be used with 120V AC burners?
A: No, this model is specifically designed for 12 VDC mobile and off-grid burner applications.
Q: Can I use this control with any CAD cell?
A: It must be used with the Beckett GeniSys CAD Cell 7006U or a compatible flame sensor.
Q: How many ignition attempts before lockout?
A: The GeniSys 7556 performs 1 ignition trial before a 15-second lockout.
Q: Is it moisture resistant?
A: Yes, it is fully epoxy-potted to protect against moisture and harsh environments.
Q: Can I program valve-on and motor-off delays?
A: Yes, these are configurable with the Beckett GeniSys Contractor Tool (52082).
🛒 Shopping Tips
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✅ Ensure your system is 12 VDC and compatible with GeniSys CAD Cell 7006U.
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✅ Check the amperage requirements for your burner motor, igniter, and solenoid valve.
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✅ Only install in mobile/off-grid or auxiliary heating systems; not intended for standard residential 120/240V systems.
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✅ Replace old Beckett 7434 or 7556 series controls with this part for a drop-in upgrade.
