Honeywell R7184A Series Quick Start Manual page 11

R7184A,B,P,U SERIES 5 INTERRUPTED ELECTRONIC OIL PRIMARY, ENVIRACOM™ ENABLED
Procedure
8. Listen for spark after burner turns on
(after a 2-second delay).
9. Check indicator light after flame is
established, but before oil primary
control locks out.
10. Check cad cell sighting for view of
flame.
a. Disconnect line voltage power
and open line switch.
b. Unplug cad cell and clean cad
cell face with soft cloth. Check
sighting for clear view of flame.
Place cad cell back in socket.
c. Reconnect line voltage power
and close line switch.
d. Start burner.
11. Check cad cell.
a. Disconnect line voltage power
and open line switch.
b. Remove existing cad cell and
replace with new cad cell.
c. Disconnect all wires from ther-
mostat terminals to be sure there
is no call for heat.
d. Reconnect line voltage power
and close line switch.
e. Expose new cad cell to bright
light, such as a flashlight.
12. Check cad cell bracket assembly.
a. Disconnect line voltage power
and open line switch.
b. Remove cad cell wires from
quick-connect connectors on the
R7184 and leave control lead-
wires open.
c. Apply power to the device.
d. Place jumper across cad cell ter-
minals after burner motor turns
on.
a
The EnviraCOM™ equipment can prevent the R7184 from turning on. Aquastat® equipment can send a "Force Off"
message. A miswired bus will prevent the R7184 from turning on, also.
Table 5. Troubleshooting Information (Continued).
Status
Ignition is off.
Ignition is on.
Ignition is on, but no
oil is being sprayed
into the combustion
chamber.
Indicator light is on
until the control
locks out and starts
flashing during
lockout.
Indicator light stays
off.
Burner locks out.
Burner keeps
running.
Indicator light is on. Place control back on burner. Go to step 6.
Indicator light is off. Go to step 12.
Indicator light is on. Replace cad cell bracket assembly. Refer to
Indicator light is off. Replace R7184.
Corrective Actions
Spark ignitor could be defective. Check for line
voltage at ignitor terminals. If line voltage is present,
replace R7184.
Go to step 9.
Wait for valve-on delay to complete (R7184B,P, and
U). Check oil valve, oil valve wiring, pump and oil
supply.
Replace R7184.
Go to step 10.
Go to step 11.
System is okay.
TRADELINE® Catalog for bracket part numbers.
11
a
69-1459—4