Oil Primary Install Instructions

R7184A,B,G,P,U ELECTRONIC OIL PRIMARY, ENVIRACOM™ ENABLED
9 69-1459—06
Table 5. Troubleshooting Information .
a
Procedure Status Corrective Actions
Condition: Burner does not start with a call for heat.
1. Check that limit switches are closed
and contacts are clean.
——
2. Check for line voltage power at the
oil primary control. Voltage should be
120 Vac.
——
3. Check indicator light with burner off,
no call for heat (no flame).
Indicator light is on. Cad cell or controller is defective, sees external light
or connections are shorted. Go to step 4.
4. Shield cad cell from external light. Indicator light turns
off.
• Eliminate external light source or permanently
shield cad cell.
Indicator light stays
on.
• Replace cad cell with new cad cell and recheck.
• If indicator light does not turn off, remove cad cell
leadwires from R7184 and recheck.
• If indicator light turns off, replace cad cell bracket
assembly. Refer to TRADELINE® Catalog for
bracket part numbers.
• If indicator light does not turn off, replace
controller.
5. On warm air systems, jumper
thermostat terminals (T to T) on
R7184. (On hydronic systems,
jumper limit terminal and L1 of
R7184.)
Burner starts. Trouble in thermostat or limit circuit. Check
thermostat or limit wiring connections
Burner does not
start.
• Disconnect line voltage power and open line
switch.
• Check all wiring connections.
• Tighten any loose connections and recheck.
• If burner does not start, replace R7184.
Condition: Burner starts, then locks out on safety with indicator light flashing at 1/2 second on, 1/2 second off.
1. Check that limit switches are closed
and contacts are clean.
——
2. Check for line voltage at the oil pri-
mary control. Voltage should be 120
Vac.
——
3. Check indicator light with burner off,
no call for heat (no flame).
Indicator light is on. Cad cell or controller is defective, sees external light
or connections are shorted. Go to step 4.
Indicator light is off. Go to step 5.
4. Shield cad cell from external light. Indicator light turns
off.
Eliminate external light source or permanently shield
cad cell.
Indicator light stays
on.
• Replace cad cell with new cad cell and recheck.
• If indicator light does not turn off, remove cad cell
leadwires from R7184 and recheck.
• If indicator light turns off, replace cad cell bracket
assembly. Refer to TRADELINE® Catalog for
bracket part numbers.
• If indicator light does not turn off, replace
controller.
5. On applications with “valve-on
delay”, verify that oil valve is closed
during the “valve-on delay” period by
opening view port and verifying that
no flame is present during 15-second
“valve-on delay”.
Indicator light is on. • If flame is present, replace valve.
6. On warm air systems, jumper ther-
mostat terminals (T to T) on R7184.
(On hydronic systems, jumper limit
terminal and L1 of R7184.)
Burner starts. Trouble is in thermostat or limit circuit. Check
thermostat or limit wiring connections.
Burner does not
start.
• Disconnect line voltage power and open line
switch.
• Check all wiring connections.
• Tighten any loose connections and recheck.
• If burner does not start, replace R7184.