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Power input (from limit circuit)
Motor load
Ignitor load
Alarm contacts
Operating temperature limits
Installing and Wiring
50200 control must be installed and serviced only by a qualified service technician.
1. Always disconnect power source before wiring to avoid electrical shock or damage to the control. All wiring must comply with
applicable codes and ordinances.
2. Thermostat terminals (T-T) provide a current source. Never apply external power to these terminals under any circumstances.
3. Alarm terminals provide a 24 VAC/VDC-rated dry contact, suitable for use with security/fire alarm systems.
Mounting
• The control may be mounted on a 4" x 4" junction box in any convenient location on the burner, furnace or wall. The location
must not exceed the ambient temperature limit, 140°F.
• Wiring must comply with local and national electrical codes, and with the wiring diagram.
• Individual or bundled neutrals may be attached to any L2 terminal.
Field checks
1. Safety timing (TFI) test – Remove one CAD cell wire (F-F). Start burner. The control should lockout within the TFI time limit.
Replace CAD cell wire.
2. Flame failure test – Start burner. After flame is established (after TFI period), close the oil supply hand valve. This will cause a
flame failure sequence as described in the Startup & Operation section of this Data sheet. The control should recycle (restart
after 65 seconds).
3. If control does not operate as described, check the wiring.
Tech Support (800) 989-2275
• Interrupted Duty Ignition
• Recycle on Flame Failure
• Serviceman Reset Protection
Latch-up after 3 consecutive lockouts
• Diagnostic LEDs
Status, lockout, flame
120 VAC, 60 HZ, 9VA
10 FLA / 60 LRA
120 VAC, 60 HZ, 500 VA
24 V, AC/DC, 2A
+32°F to +140°F
SEE WIRING DIAGRAM ON NEXT PAGE
Model 50200 CAD Cell Oil
Primary Control Data Sheet
• 15-second, 30-second TFI
• Thermostat/Aquastat Compatible
• SMC Technology
• Pump Prime
• Alarm Contacts
Storage temperature limits
Thermostat anticipator current
CAD cell resistance (with flame)
Agencies
www.carlincombustion.com
-40°F to +185°F
0.1 A, AC
R < 1500 OHMS
UL recognized (US & Canada)
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Table of Contents
Related Manuals for Carlin 50200
Summary of Contents for Carlin 50200
- Page 1 +32°F to +140°F Installing and Wiring 50200 control must be installed and serviced only by a qualified service technician. 1. Always disconnect power source before wiring to avoid electrical shock or damage to the control. All wiring must comply with applicable codes and ordinances.
- Page 2 If a failure occurs in this self-check, the control won’t start and the amber LED blinks 1 second on, 4 sec- onds off, until serviced or the problem clears. These failures include CAD cell seeing light, internal failure, or line voltage <90V. See service section. © Copyright 2015 - Carlin Combustion Technology, Inc. MN50200 022415...
- Page 3 Release the reset button and the control will restart (releasing the button before the LEDs turn off will cause the control to remain in latch-up). The 50200 control will not reset from lockout or latch-up if power is interrupted. Flame If the CAD cell loses flame signal during operation (after the TFI), the red LED flashes.
- Page 4 FROZEN PIPES/WATER DAMAGE: This is not a freeze protection device. Suitable freeze protection monitoring or other precautions are recommended to protect against ruptured pipes/water damage caused by fuel outage, safety related fault conditions, or equipment failures. © Copyright 2015 - Carlin Combustion Technology, Inc. MN50200 022415...
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