
120 VAC SYSTEM CONTROL KIT
Model: CK-66 & 67
CK-66
Designed for use on SWG Series Power Vent Hoods for controlling oil fired heating appliances with Honeywell R8184P
primary control. CK-66 is for single appliance systems. CK-67 is for operating one or more appliance systems.
NOTE: The system requires a Honeywell R8184P primary control and an oil delay or solenoid valve supplied with
equipment or installer supplied
ITEMS INCLUDED IN KIT
1) Junction box with mounted pressure switch control
1) 2 Ft. Length of 1/4 inch aluminum tubing
1) 1/4 inch tubing connector
1) Flexible conduit connector
1) WMO-1 Secondary Safety Switch
1) 120 VAC Relay (CK-67 only)
CK-67
DO NOT DESTROY
THESE INSTRUCTIONS MUST REMAIN WITH EQUIPMENT

MOUNTING JUNCTION BOX
The junction box can be mounted at the venter or remotely mounted away from the venter. (See Figure 1 & 2)
1. Remove one of the knockouts from the side of the junction box where the pressure switch is mounted. Install the flexible
conduit connector onto the CK-66 & 67 Junction Box and secure with fastening nut. If remote mounting the CK-66 or 67
Junction Box, mount the flexible conduit connector onto a 2" x 4" installer supplied junction box.
2. Fasten the flexible conduit from the SWG Venter into the conduit connector. Mount the CK-66 & 67 Junction box or
installer supplied junction box onto the wall or floor joist without straining the flexible conduit. Fasten the CK-66 or 67
Junction Box through the four dimpled locations on the base of the box. (See Figure 3)
Figure 3
OIL FIRED SECONDARY SAFETY SWITCH (CK-67 ONLY)
Installation of a SECONDARY SAFETY SWITCH is recommended for
detecting flue gas spillage from a blocked flue system and/or inadequate
draft.
1. Pierce a 5/8" dia. hole into the vent pipe near the appliance outlet.
Remove one of the securing nuts from the pipe of the safety switch.
Tighten the other securing nut onto the pipe as far as possible. (See
Figure 4)
2. Insert the threaded pipe end into the pierced hole, then install the
securing nut, which was removed in Step 1, and tighten securely. (See
Figure 5)
3. Wire safety switch in series into one side of the burner circuit. Refer to
Unit Wiring Instructions.
CAUTION: If for any reason the system has shut down during operation, the
cause of the system failure should be investigated and corrected before
resetting the safety switch and restarting the system.
WIRING
1. Wire the venter motor and controls in accordance with the National
Electrical Code, manufacturer's recommendations and/or applicable
local codes. UNIT MUST BE GROUNDED. Check ground circuit to
make certain that the unit has been properly grounded. The wiring
should be protected by an over current circuit device rated at 15
amperes. CAUTION must be taken to ensure that the wiring does not
come into contact with any heat source. All line voltage and safety
control circuits, between the venter and the appliance, MUST be wired in accordance with the National Electrical Code for
Class I wiring or equivalent methods.
2. Route the venter motor and control wiring with an appropriate wiring method. Refer to the Wiring Diagrams A and B.
PRESSURE SWITCH SENSING TUBE INSTALLATION
1. Attach the 1/4 inch tubing connector to the pressure tube on the SWG Venter. (See Figure 3)
2. Connect the supplied 1/4" aluminum tubing to the tubing connector. Route the tubing to the CK-66 or 67 Junction Box and
connect the tubing to the pressure switch. When routing the tubing avoid kinking the tubing by bending the tubing too
sharply.
For remote mounted CK-66 or 67 Junction Box, use a 1/4" OD copper, aluminum or plastic tubing and route the tubing to
avoid contact with any heat source.
Refer to the SWG Venter installation instructions for setting system airflow.
Figure 4
Figure 5
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Diagram A – CK-66 Single Appliance Wiring
Diagram B – CK-67 Multiple Appliance Wiring
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PRESSURE SWITCH ADJUSTMENTS
With the venter air flow set and the appliance operating at the best operating
efficiency, adjust the pressure switch by rotating the adjustment screw
clockwise until the burner shuts off, then rotate the adjustment screw
counterclockwise until the burner fires. Rotate the adjustment screw an
additional 1/4 turn counterclockwise to ensure proper switch setting. (See
Figure 6)
SYSTEM CONTROL CHECK OUT PROCEDURES
1. Adjust the thermostat to call for heat and observe the power venting
Figure 6
system for proper operation sequence (Repeat if necessary).
a. Thermostat calls for heat.
b. Relay is energized and venter motor starts.
c. Pressure switch closes and burner starts.
d. Thermostat is satisfied, burner stops and venter motor should operate for approximately 3 to 5 minutes.
2. While system is operating, disconnect power to the venter motor. This should open the pressure switch contacts and stop
burner operation.
3. (If WMO-1 switch is installed) Allow vent system to cool. Disconnect the vent pipe between the venter inlet and the
appliance outlet. Block the vent pipe with a noncombustible material. Activate the heating system with the main burner
operating. Allow approximately 2 minutes or less for the secondary safety switch to deactivate the burner. Reset safety
switch and repeat.
TROUBLE SHOOTING HINTS
1. Main burner does not fire when thermostat calls for heat with venter operating.
a. Check pressure switch adjustment.
b. Check fuel flow.
c. Check wiring connections between pressure switch and burner.
d. Check pressure switch for continuity across terminals, during venter operation.
2. Venter does not activate when thermostat calls for heat.
a. Jump wire the terminals L1 and M to ensure motor operation.
b. Check wiring.
3. Flue gas odor.
a. Check system draft.
b. Check post purge venting time.
c. Check for negative pressure in building.
MAINTENANCE
1. Motor: Inspect motor once a year; the motor should rotate freely.
2. Wheel: Inspect venter wheel annually, for oil fired heating systems, clear any soot, ash or coating, which inhibits either
rotation or air flow. Remove all foreign material before operating.
3. Vent System: Inspect all vent pipe connections annually for looseness and for evidence of flue gas leakage. Seal or
tighten pipe connections if necessary.
INSTALLATION INFORMATION
MODEL NO.:_____________________________________________________________
INSTALLER'S NAME:______________________________________________________
INSTALLER'S COMPANY:__________________________________________________
INSTALLER'S PHONE NO.:_________________________________________________
DATE OF INSTALLATION: _________________________________________________
CK-
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