Static Checkout - Honeywell 7800 SERIES Manual

7800 series rm7890a,b,c relay module
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Fig. 16—Selectable site-configurable jumpers.
SELECTABLE CONFIGURATION JUMPERS
1
JR1 REMOVED FROM 30 SECOND FIXED PFEP MODEL.
2
JR2 REMOVED FROM RM7890C.
3
RM7890A1031 PFEP IS 30 SECONDS.
!
CAUTION
1. Use extreme care while testing the system. Line
voltage is present on most terminal connections
when power is on.
2. Open the master switch before installing or
removing a jumper on the subbase.
3. Before continuing to the next test, be sure to
remove the test jumper(s) used in the previous
tests.
4. Replace all limits and interlocks not operating
properly. Do not bypass limits and interlocks.
5. Close all manual fuel shutoff valve(s) before
starting these tests.
EQUIPMENT RECOMMENDED
1. Voltmeter (20 kohm/volt minimum sensitivity) set on
the 0-300 Vac scale.
2. Two jumper wires; no. 14 wire, insulated, 12 inches
(304.8 mm) long, with insulated alligator clips at both ends.
GENERAL INSTRUCTIONS
1. Perform all applicable tests listed in Static Checkout,
Table 4, in the order listed.
1
2
M11589
SHUTOFF VALVE(S) ARE CLOSED.
RM7890 model being tested.
late a call for heat.
jumper wire(s) between the subbase wiring terminals listed in
the Test Jumpers column of Table 4.
listed in the Voltmeter column of Table 4.
check the circuits and external devices as described in the last
column.
screws, correct wire, and proper wiring techniques. Replace
all damaged or incorrectly sized wires.
tors, valves, transformers, motors and other devices as re-
quired.
continuing the checkout.
jumper(s).
17
OPERATION • STATIC CHECKOUT
SERVICE NOTE: Clipping and removing a site-
configurable jumper enhances the level of safety. If using
a 3-second amplifier, site-configurable jumper JR2 must
be clipped and removed. If not removed, an F46 Lockout
will occur.

Static Checkout

2. MAKE SURE THAT ALL MANUAL FUEL
3. Perform only those tests designated for the specific
4. Raise the set point of the operating controller to simu-
5. For each test, open the master switch and install the
6. Close the master switch before observing operation.
7. Read the voltage between the subbase wiring terminals
8. If there is no voltage or the operation is abnormal,
9. Check all wiring for correct connections, tight terminal
10. Replace faulty controllers, limits, interlocks, actua-
11. Obtain normal operation for each required test before
12. After completing each test, be sure to remove the test
RM7890A,B,C
65-0126—2

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