WHITE-RODGERS
TYPE 668
Intermittent Ignition* – Non Recycling
OIL BURNER CONTROL
With Series 956 Flame Detector
INSTALLATION INSTRUCTIONS
Operator: Save these instructions for future use!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.
DESCRIPTION
The type 668 Oil Burner Control provides safe operation of oil burners on heating plants where ignition during the entire burner cycle is desired.
The 668 is used with the 956 Flame Detector
* Formerly called constant ignition.
PRECAUTIONS
If in doubt about whether your wiring is millivolt, line, or low voltage, have it inspected by a qualified heating and air conditioning contractor, electrician, or someone famil- iar with basic electricity and wiring.
Do not exceed the specification ratings.
All wiring must conform to local and national electrical codes and ordinances.
This control is a precision instrument, and should be handled carefully. Rough handling or distorting compo- nents could cause the control to malfunction.
!CAUTION
To prevent electrical shock and/or equipment damage, disconnect electric power to system, at main fuse or circuit breaker box, until installation is complete.
!WARNING
Do not use on circuits exceeding specified volt- ages. Higher voltages will damage control and could cause shock or fire hazard.
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| SPECIFICATIONS |
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Electrical Data |
| Room Thermostat: | |
Input voltage: 668 | 120V. AC, 60Hz. | Set adjustable heat anticipator at 0.4 Amps. For fixed | |
668H | 220V. AC, 50/60Hz. | anticipation thermostats, use 0.35 to 0.45 Amp. | |
Maximum Load Current: | heater. | ||
Oil Burner Motor | (Orange Wire): |
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10 Amps F.L. 60 Amps L.R. | Safety Timing: | ||
Ignition Transformer: | 668, | ||
360VA (3.0 Amps) |
| 668, | |
Relay Voltage: 668 | 24 Volts AC, 60Hz. | 668, | |
668H | 24 Volts AC, 50/60Hz |
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The proper Location and Mounting of the primary oil burner control panel on the burner and the flame detector with respect to the oil flame shall be determined by the furnace, boiler, or burner manufacturer.
If this control, supplied as part of a furnace, boiler or burner, is wired to the equipment or if the manufacturer of such equipment provides instructions for wiring this
INSTALLATION AND WIRING
control, then follow his recommendations. If no special wiring instructions are given, then follow the electrical connections shown on this diagram for a simple system. For more complicated systems, especially for hot water heating, consult the manufacturer of the heating plant for full details of the desired sequence of control operation.
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EMERSON ELECTRIC CO. |
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9797 REAVIS RD., ST. LOUIS, MO. 63123 |
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(314) | Printed in U.S.A. |
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9999 HWY. 48, MARKHAM, ONT. L3P 3J3 |
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(905) |
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PART NO.
Replaces
9510
