🔥 Carlin 4223002S Oil Burner Primary Control – 30 Sec. TFI, Interrupted Duty 🔧

The Carlin 4223002S is a high-performance, recycle-type electronic oil burner control designed for interrupted duty operation. Engineered to mount directly on standard flame retention oil burners, this control ensures precise ignition, improved flame accuracy, and reliable performance—even under challenging conditions such as generator operation. ⚡

Key Features ✅

• ✅ Interrupted Duty Ignition – 30-second Trial for Ignition (TFI)

• ✅ SMC Technology – Safety Monitoring Circuit ensures zero bleed voltage during standby

• ✅ LED Diagnostics – Status, lockout, and flame indicators for easy troubleshooting

• ✅ Recycle on Flame Failure – Automatically attempts re-ignition for consistent operation

• ✅ Serviceman Reset Protection – Latch-up after 3 consecutive lockouts to prevent repeated failures

• ✅ Pump Prime / Oil Pump Bleed Assist – Up to 1-minute assistance for reliable start-up

• ✅ Thermostat & Aquastat Compatible – Works seamlessly with standard control systems

• ✅ Flame Stabilization – Increased flame accuracy and reliability

• ✅ Generator Friendly – Insensitive to frequency changes

Technical Specifications 📝

Replaces / Cross Reference 🔄

• Carlin: 42230, 42230-02S, 42230-02A, 4223002A

• Sid Harvey: R75-45

• Clean Burn: 33137, 33188, 33192, 33400

• Reznor: 208973 (Obsolete Models)

Common Symptoms Solved ⚡

• ❌ Burner fails to ignite on first attempt

• ❌ Frequent lockouts due to flame failure

• ❌ Oil pump not priming properly

• ❌ Erratic flame sensing or unstable flame

• ❌ Controls incompatible with standard thermostats or aquastats

Shopping Tips 🛒

• ✅ Check Compatibility – Ensure your burner model fits the 4223002S or replaced models.

• ✅ Understand Duty Type – This is an interrupted duty control, standard for most oil burners.

• ✅ Inspect Electrical Requirements – Must supply 120 VAC, 60 Hz, and appropriate motor/ignitor loads.

• ✅ Look for LED Diagnostics – Saves time with easy troubleshooting 💡.

• ✅ Generator Operation – Ideal for generators ⚡.

• ✅ Replacement & Cross-Reference – Replace obsolete models for improved performance.

• ✅ Warranty & Certification – UL recognized in US & Canada 🇺🇸🇨🇦.

• ✅ Buy from Trusted Vendors – Avoid counterfeit or faulty parts.

Frequently Asked Questions (FAQ) ❓

Q: Can this control be used with generators?
✅ Yes, the 4223002S is insensitive to frequency changes, making it generator-friendly.

Q: What is the maximum trial for ignition time?
✅ 30 seconds (TFI) with a 1.3-second flame failure response time.

Q: Which older models does the 4223002S replace?
✅ The 4223002S replaces several obsolete controls, including:

• Carlin: 42230, 42230-02S, 42230-02A, 4223002A

• Sid Harvey: R75-45

• Clean Burn: 33137, 33188, 33192, 33400

• Reznor: 208973

Q: What is “interrupted duty” and how does it affect performance?
✅ Interrupted duty means the control turns the burner on and off in cycles to maintain flame safely. It improves efficiency and flame stability.

Q: What do the LED indicators mean?
✅ LEDs show status, flame, and lockout conditions to simplify troubleshooting.

Q: Can I manually reset the control after a lockout?
✅ Yes, the 4223002S allows serviceman reset after three consecutive lockouts.

Q: Will this control help with oil pump priming issues?
✅ ✅ Yes, it includes pump prime / oil pump bleed assist for reliable startup.

Q: What temperatures can this control safely operate in?
✅ Operating range: +32°F to +140°F, storage: -40°F to +185°F.

Q: Does this control improve flame accuracy?
✅ ✅ Yes, SMC technology ensures precise and consistent flame performance.

Q: Is professional installation recommended?
✅ Strongly recommended to ensure safety and proper operation.