70200 Universal Oil Primary Control Data Sheet

70200 Universal Oil Primary Control Data Sheet
Model 70200
Universal Oil Primary Control
Data Sheet
eplaces Carlin, Beckett, Honeywell
and ICM Primary Controls
n-Board LCD Screen
no special tool needed
Programmable, Microprocessor Based, Universal Replacement for CAD Cell Oil
Burner Primary Controls
alve delay on
(0, 3, 10, 15, 30, 60, 120, no valve)
• Trial for ignition time (15, 30, 45)
otor Delay Off
(0, 10, 15, 30, 120, 300, 900)
• Interrupted duty or Smart Ignition
arly Spark Termination Timing
(0, -5, -10)
• Number of recycles (0, 3, Unlimited)
• Serviceman reset protection (3)
• TT Option (jumpered or open)
• Blocked vent protection
• Dry set of Alarm contacts
• Built-in Pump Prime
• Provides cad cell reading in OHMS
ault history records last 50 fault
cycles, easy to understand icons
displayed on screen for common
failures, Valve, Motor, Ignitor
Power input (red/white wire)
120 VAC, 60 HZ, 9 VA
Line heater
1 amp
Limited circuit input (black wire)
120 VAC, 60 HZ
Alarm contacts (dry contacts)
24V, AC/DC, 2A
Motor load (orange wire)
10 FLA / 60 LRA (reduce by valve load)
Operating temperature limits
+32°F to +140°F
Ignitor load (blue wire)
120 VAC, 60 HZ, 500 VA
Storage temperature limits
-40°F to +185°F
Vent input
120 VAC, 60 HZ
Thermostat anticipator current
0.1 A, AC
Valve load
2 amps
UL recognized (US & Canada)
Vent load
0.1 amp
Installing and Wiring
70200 control must be installed and serviced only by a qualified service technician.
1. A
lways disconnect power source before wiring to avoid electrical shock or damage to the control. All wiring must
comply with applicable codes and ordinances.
hermostat terminals (T-T) provide a current source. Never apply external power to these terminals under any
3. A
larm terminals provide a 24 VAC/VDC-rated dry contact, suitable for use with security/fire alarm systems.
• 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 diagrams on next page.
Tech Support (800) 989-2275
Wiring must comply with local and national electrical codes, and with the wiring diagrams.
When connecting to BLACK power
harness wire, without
constant L1 power, wire
nut together L1 (RED)
and Limit In (BLACK)
from control.
© Copyright 2017 - Carlin Combustion Technology, Inc.
MN70200 032017
Programming and Setup
Valve Delay On: Time period motor and ignitor are on prior to Trial for Ignition.
Trial for Ignition (T.F.I.): Burner flame-establishing period. Note: Do not use 45 TFI for burners larger than 3GPH.
Motor Delay Off: Time period the motor is on after the Call for Heat is satisfied to allow for evacuation of combustion gases.
Early Spark Termination: Amount of time prior to the end of TFI when the ignitor is turned off (burner flame must be self supporting).
Flame Stabilize: The time period after TFI that the ignitor remains on (in interrupted ignition mode only).
Ignition Type: Interrupted duty: spark is turned off after a set period; Smart Ignition: If flame is lost at any time after the Trial-for-Ignition period, the
control will recycle (60 - 65 seconds). Following this recycle, the control will operate in Intermittent Duty mode (ignition on throughout the call
for heat) for ten heat cycles. Following these ten cycles, the control will revert back to Interrupted Duty and will remain in Interrupted Duty until
another recycle event occurs.
Smart Ignition: Switches to Interrupted Duty to dramatically extend the life of the ignitor or transformer.
TT Jumpered: Allows TT to be “jumpered” by software program.
Vent Input: Used to verify vent input. When selected, if the vent input is not detected for 30 seconds during motor on time, the control will lockout.
Allowed Recycles: Number of Recycles allowed during a single Call for Heat prior to lockout.
Baseline Reset: Select Yes then push Enter- Resets baseline statistics used by fault history.
Factory Defaults: To reset to factory defaults- select Yes, then push Enter.
Inhibited Features: indicates that feature is inhibited due to other control settings:
• If Valve Delay On is set to “0” or no value, Motor Delay Off options inhibited except “0”.
• If Early Spark Termination is active (-10, -5), then Flame stabilization and Intermittent ignition type are inhibited.
• If Flame Stabilization is active (+5, +10, +15, +30, +45), then Early Spark Termination is inhibited.
• If set for Smart Ignition, early spark termination and Flame Stabilize are inhibited.
• Valve Off: Valve output functions but will not be reported as a fault.
Delay On
Motor Delay
Early Spark
No Valve
No Limit
Not Used
Shaded box = default settings
Do not start the burner if the combustion chamber contains oil or oil vapor.
Per UL requirements, the control will not turn on if the cad cell senses flame (light) during the self-test. If the cad cell sees flame,
the control will remain in self-test mode until the cad cell no longer senses flame.
To Enter Programming Mode:
Simultaneously press and hold the the ▲ + ► buttons for three seconds. The display will show To Exit Setup, ESC for 3 seconds.
To View Current Settings:
Once in programming mode (above), use the ► button to scroll through all options (see table above). The control will display the current setting
for each option.
To Change Settings:
Once in programming mode (above), press the ► button to select the desired option, then use the ▲ or ▼ buttons to scroll through available
settings (see table above). Select the desired setting and press the ENTR button.
To Exit Set-Up Menu:
Press ESC button for three seconds to exit the Set-Up menu at any time. Any changes will be saved.
Example: To change the Motor Delay Off from 30 seconds to 15 seconds: Press and hold the ▲ + ► buttons for three seconds.
The screen will display To Exit Setup, ESC for 3 seconds. Now press the ► button three times to get to the Motor Delay
Off option. The screen will display Motor Delay Off and the current setting. Now press the ▼ button to select the 15 second
setting. Then press ENTR. The display will read Entered . Press and hold the ESC button to exit the set-up menu.
To Restore Control Default Settings:
Enter the programming mode (Press and hold the ▲ + ► buttons for three seconds). Using the ► button, scroll to the Factory Default
option. Press the ▲ button to select Yes . Then press ENTR. The display will read Entered . Press and hold the ESC button to exit the setup menu.
© Copyright 2017 - Carlin Combustion Technology, Inc.
MN70200 032017
Power ON
Open all manual oil line valves. Close the line switch. Call for HeatSet thermostat (and limit) to call for heat. Thermostat circuit must be closed and power must be coming to black wire from
limit circuit.
Burner On The ignitor starts, followed 3 seconds later by the motor. (This delay compensates for sluggish start-up of some AC
Valve Delay OnThe oil valve opens after the Valve Delay On period (pre-purge). Note: For oil valve delay on operation, wire oil valve to
the violet terminal. If not using an oil valve, cap the violet terminal to automatically disable pre-purge and post-purge).
The CAD cell must sense flame within the TFI time limit. Insufficient flame puts control into lockout.
NOTE: Push View Ohms button anytime during run to view Ohms reading.
The burner continues firing during call for heat if the CAD cell senses flame.
LockoutIf CAD cell does not sense flame within the TFI time limit after burner starts, lockout occurs. When lockout occurs, the screen
turns on, the fault icon flashes and a fault message is displayed. The screen will cycle every 4 seconds between 2 displays, one
giving the fault message and one giving the amount of time in the lockout state. For example, if the cause was “Faulty Motor,” the
fault icon would flash and the message would read “No Flame Check Motor.” After 4 seconds, the time in the lockout state “secs
or mins” will be displayed. This cycle will continue until the fault is resolved.
To Reset
Push in and hold the red Reset button for 1 second, then release.
Latch-upIf the control locks out 3 times during a single call for heat, latch-up occurs and will be displayed on screen. The procedure
below must be used to reset the control after latch-up.
Only a qualified service technician should attempt to reset the control after latch-up.
Reset after The problem that caused the repeated burner lockouts must be corrected before returning the burner to normal operation.
Latch-upPush in and hold the red Reset button for 30 seconds. After 30 seconds, the word Latch-up will disappear from the screen
and the control will now be in Standby ready to resume normal operation.
The 70200 control will not reset from lockout or latch-up if power is interrupted.
Flame FailureIf the CAD cell loses flame signal during operation (after the TFI), the oil valve closes within 2 seconds. The motor remains on
for the Motor Delay Off period, then shuts off. (If no oil valve is wired to the control, the burner shuts down within 2 seconds.)
Recycle: Control waits for 65 seconds then returns to standby.
Delay Motor OffSet thermostat (or aquastat) to stop call for heat. The oil valve (if installed) will turn off within 2 seconds. The motor remains on
for the Motor Delay Off period (post-purge), then turns off. (If no oil valve is wired to the control, the burner shuts off within
2 seconds after end of call for heat. There is no post-purge).
The control remains in stand-by mode until limit circuit sends power to the black wire and thermostat circuit closes (call for heat).
Pump Prime
The 70200 control is equipped with a 120 second pump prime feature. To enter Pump Prime, Limit Input must
be present.
If a flame is present, the control will not enter Pump Prime mode.
To bleed the oil line, with Limit icon on, push and hold red Reset button for 5 seconds. The display will read Pump Prime.
The motor, valve and ignitor remain on for up to 2 minutes while in Pump Prime mode. To end Pump Prime mode, press the red
Reset button.
NOTE: If flame is sensed, Pump Prime mode ends in 5 sec.
Pump prime cannot be entered from Lockout or Latch-up.
Control History
The 70200 stores all history and information from the last 50 cycles in which a fault condition occurred.
To Enter the History Menu:
Simultaneously press and hold the ▼ + ► buttons for 2 seconds. The display will read To Exit History ESC for 3 Sec .
To View Fault History:
1. Once in the History mode (above), press the ► button to scroll through the history of fault conditions. The control will display
1:Fault Message . The number 1 indicates that this was the most recent fault condition experienced. To view faults experienced in earlier run
cycles, press the ► button. The control will display 2:Fault Message followed by 3:Fault Message , etc.
After last Fault Message screen, will be Fault Cycles screen, the display will read: Fault Cycles followed by the number of cycles
(max 50) that have experienced a fault condition since the last Baseline Reset.
2. On any Fault Message screen, press the ▼ button to determine the cause of the fault. The display will show the fault number (in this case,
fault No. 1) followed by an asterisk (*) and the problem experienced (ex. 1*CAD Ohms 9040 Ohm ). This would indicate that the fault condition
was caused by a high CAD cell reading
© Copyright 2017 - Carlin Combustion Technology, Inc.
MN70200 032017
Control History (continued)
3. Continue to press the ▼ button to view other possible causes of the fault. Fault conditions are indicated by an asterisk. Normal readings (nonfault readings) will be indicated with a colon in place of the asterisk.
To View Operating History:
Once on the Fault Cycles screen (above), press the ▼ or ▲ button to scroll through the operating history which includes: Total Cycles ,
Total Run Time , Total Burn Time , Total On Time , Baseline Time , Max Line Volts , Min Line Volts ,
Recycles , Run Time , Burn Time , Max Flame Delay , and CFH Cycles .
To Exit History Menu:
Press ESC button for three seconds to exit the History menu at any time.
Status Icons
Status Icons will appear at the top of the 70200 display to indicate the control’s current operating condition.
Indicates that the control is powered
Displayed when the TT terminals are physically jumpered, jumpered in the set-up menu, or when thermostat is calling for heat.
Indicates that the burner limit circuit is powered.
IGNITOR Indicates that the ignitor is energized (flashes if ignitor not detected)
Indicates that the motor is energized (flashes if motor not detected)
Indicates that the valve is energized (on entry to pump prime will flash if not detected)
Indicates vent input is active (when vent input is selected)
Flashes in unison with other status icons indicating a problem exists in that area
Service & Troubleshooting
When the control is reset from a lockout condition, if it resumes normal operation, the screen will toggle the last fault and its cause for five days (longer duration
if control not wired for constant power). The screen will toggle between displaying what the last fault/cause was and displaying how to clear the message
hold ESC for 3 seconds .
Burner (control) will not come on
No power to control
• Check line voltage to the control (at least 102 vac).
• Check all electrical connections.
Control is in lockout
• Press the reset button for 1 second.
CAD cell seeing light
• Light is leaking into the burner housing, or
• CAD cell is defective, or
• There is a problem with the CAD cell wiring or holder.
• If appliance was recently shut down, CAD cell may see residual hot
spots in chamber.
To troubleshoot:
• Press the ▲ button to display cad cell Ohms. Dark resistance should
be over 50K ohms, and room light resistance (control flipped open)
should be less than 10K ohms. Replace cell if necessary, or reinstall
and close the burner housing.
• Press the ▲ button to display cad cell Ohms. Check for stray light by
measuring the CAD cell resistance looking into the inactive combustion chamber. It should read greater than 50K ohms.
Other no start problems
If the CAD cell is OK,
• Valve lead voltage on too early. Correct bad connection.
• Line voltage <90 VAC. Check line voltage.
• Motor relay welded. If valve has no voltage, and line voltage OK, the
issue is a welded motor relay. Replace the control.
• Motor current less than 0.2 Amps.
Repeated flame failures
Check for:
• CAD cell is defective. Replace.
• Air leaking into oil line causing flame out – check oil line connections and filter gasket.
• Defective nozzle causing flame to be erratic – change nozzle.
• Excessive airflow or draft causing flame to leave burner headcheck for proper air band setting and draft.
• Excessive back pressure causing flame to be erratic – check
appliance and flue for sooting/plugging.
Control locks out at end of TFI
Check for:
• No oil to burner – check oil supply, filters, lines.
• Shorted electrodes – inspect for cracked porcelain and replace
as needed.
• Poor spark – check electrode spacing and condition per burner
manual. Replace or realign if necessary.
• Nozzle clogged – replace nozzle.
• Airflow too high – check air band setting.
• Ignitor module defective – replace if no spark.
• CAD cell defective.
• Oil valve (if used) stuck in closed position.
• Check wiring connections.
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 failure.
© Copyright 2017 - Carlin Combustion Technology, Inc.
MN70200 032017
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