CB780E/CB784E RELAY MODULES WITH VALVE PROVING
750-234 5 32-00150—03
Approvals:
Underwriters Laboratory, Inc., listed, File No. MP268,
Guide No. MCCZ.
Swiss Re (formerly IRI): acceptable.
Federal Communications Commission, Part 15,
Class B—Emissions
Factory Mutual Approved: Report No. 1V9A0.AF
To view certificates reference:
RM7800L1095 = CB780E = 833-03517
RM7840L1083 = CB784E = 833-03518
Required Components:
CB780E: 120 Vac, 50/60 Hz, 833-03517.
CB784E: 120 Vac, 50/60 Hz, 833-03518.
Wiring Subbase 833-2725
Plug-in Flame Signal Amplifier: see Table 5.
Plug-in Purge Timer Cards: selectable:
833-2730—30 sec.
833-2731—60 sec.
833-2732—90 sec.
833-2733—2 1/2 min.
NOTE: The CB780E and CB784E are identical, except for
the Keyboard Display Module, which is standard
with the CB780E and optional with the CB784E.
A 4-line LCD display option S78000A1092/U is
available to be purchased separately. Reference
document 32-00154 for more information.
Accessories:
Optional:
DATA CONTROLBUS MODULE—part no. 833-2729.Pro-
vides remote reset capabilities on CB780E; remote dis-
play capabilities on CB780E and CB784E.
CB783 Expanded Annunciator—part no. 833-2726.
Keyboard Display Module—part no. 833-2727.
Remote Mounting Kit for the Keyboard Display, NEMA 4—
part no. 833-2740.
Tester—part no. 626-5050.
833-2820 Modbus Module.
Fig. 2. Mounting dimensions of CB780E/CB784E Relay Module and 833-2725 Subbase, in inches (mm).
BURNER CONTROL
POWER
PILOT
FLAME
MAIN
ALARM
RESET
5
(127)
5 (127)
M28590B
REMOVE ONLY FOR TERMINAL TEST ACCESS.
1
1
5-1/4 (133)
BACK
ENTER
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