RM7800E,G,L,M
STATIC CHECKOUT
33 65-0117—2
5. For each test, open the master switch and install the
jumper wire(s) between the subbase wiring terminals listed in
the Test Jumpers column.
6. Close the master switch before observing operation.
7. Read the voltage between the subbase wiring terminals
listed in the Voltmeter column.
8. If there is no voltage or the operation is abnormal,
check the circuits and external devices as described in the
last column.
9. Check all wiring for correct connections, tight termi-
nal screws, correct wire, and proper wiring techniques.
Replace all damaged or incorrectly sized wires.
10. Replace faulty controllers, limits, interlocks, actua-
tors, valves, transformers, motors and other devices as
required.
11. Ensure normal operation is obtained for each required
test before continuing the checkout.
12. After completing each test, be sure to remove the test
jumper(s).
Test RM7800 Test Volt- If Operation Is Abnormal,
No. Models Jumpers meter Normal Operation Check The Items Listed Below
WARNING
Make sure all manual fuel shutoff valves are closed.
1 All None 4-L2 Line voltage at terminal 4. 1. Master switch.
2. Power connected to the master switch.
3. Overload protection (fuse, circuit
breaker, etc.) has not opened the
power line.
2 All None 6-L2 Line voltage at terminal 6. 1. Limits.
2. Burner controller.
3 All None 20-L2 Line voltage at terminal 20. 1. Preignition interlocks.
4 All 4-5 7-L2 1. Burner motor (fan or blower) 1. Burner motor circuit.
starts. a. Manual switch of burner motor.
2. Line voltage at terminal 7 within b. Burner motor power supply, over
10 seconds. load protection, and starter.
c. Burner motor.
2. Running or Lockout Interlocks (in-
cluding Airflow Switch).
5 All 4-10 — Ignition spark (if ignition transformer 1. Watch for spark or listen for buzz.
is connected to terminal 10). a. Ignition electrodes are clean.
b. Ignition transformer is okay.
6 All 4-8 — 1. Ignition spark (if ignition 1. Watch for spark or listen for buzz.
transormer is connected to a. Ignition electrodes are clean.
terminal 8). b. Ignition transformer is okay.
2. Automatic pilot valve opens (if 2. Listen for click or feel head of valve
connected to terminal 8). for activation.
NOTE: Refer to wiring diagram of a. Actuator if used.
system being tested. b. Pilot valve.
7 All 4-21 — Same as test no. 6 for connections Same as test no. 6. If using direct spark
to terminal 8. If using direct spark ignition, check the first stage fuel
ignition, check the first stage fuel valve(s) instead of the pilot valve.
valve(s) instead of the pilot valve.
!
IMPORTANT: Low fuel pressure limits, if used, could be open. Bypass them with jumpers for the remaining Static
Tests (if required).
(continued)
TABLE 7—STATIC CHECKOUT.
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