RM7895A RELAY MODULE
15
32-00122-01
7.
If there is no voltage or the operation is abnormal,
check the circuits and external devices as described
in the last column.
8.
Check all wiring for correct connections, tight termi-
nal screws, correct wire, and proper wiring tech-
niques. Replace all damaged or incorrectly sized
wires.
9.
Replace faulty controllers, limits, interlocks, actua-
tors, valves, transformers, motors and other devices
as required.
10.
Obtain normal operation for each required test
before continuing the checkout.
11.
After completing each test, be sure to remove the
test jumper(s).
Table 7. Static Checkout.
Test
No.
Test
Jumper
s
Voltmete
r
Normal Operation
If Operation is Abnormal, Check the
Items Listed Below
WARNING
Explosion Hazard.
Can cause serious injury, death or property damage.
Make sure all manual fuel shutoff valves are closed.
IMPORTANT:
Low fuel pressure limits, if used, could be open. Bypass them with jumpers for the remaining Static Tests (if
required).
1
None
5-L2
Line voltage at terminal 5.
1.
Master switch.
2.
Power connected to the master
switch.
3.
Overload protection (fuse, circuit
breaker) has not opened the power
line.
2
None
6-L2
Line voltage at terminal 6.
1.
Limits.
2.
Burner controller.
3
4-5
7-L2
1.
Burner motor (fan or blower) starts.
2.
Line voltage at terminal 7 within 10
seconds.
1.
Burner motor circuit.
a. Manual switch of burner motor.
b. Burner motor power supply,
overload protection and starter.
c. Burner motor.
4
5-10
—
Ignition spark (if ignition transformer is
connected to terminal 10).
1.
Watch for spark or listen for buzz.
a. Ignition electrodes are clean.
b. Ignition transformer is okay.
5
5-8
—
1.
Ignition spark (if ignition transformer is
connected to terminal 8.
2.
Automatic pilot valve opens (if connected
to terminal 8.
NOTE:
Refer to wiring diagram of system
being tested.
1.
Watch for spark or listen for buzz.
a. Ignition electrodes are clean.
b. Ignition transformer is okay.
2.
Listen for click or feel head of valve
for activation.
a. Actuator, if used.
b. Pilot valve.
6
5-9
—
Automatic fuel valve(s) open(s).
If using direct spark ignition, check the first
stage fuel valve(s) instead of the pilot valve.
Same as test no. 6. If using direct spark
ignition, check the first stage fuel valve(s)
instead of the pilot valve.
7
5-3
—
Alarm, if used, turns on.
1.
Alarm
Final
CAUTION
Equipment Damage Hazard.
Can cause serious equipment damage.
After completing these tests, open the master switch and remove all test jumpers from the subbase
terminals. Also remove bypass jumpers from the low fuel pressure limits, if used.
