Cleaver-Brooks CB780 - Mounting Dimensions of CB780;CB784 Relay Module and 833-2725 Subbase; Accessories; Required Components

1-4 750-166
CCB780/CB784
SPECIFICATIONS
MOUNTING: 833-2725 for panel mount.
REQUIRED COMPONENTS:
CB780: 120 Vac/60 Hz, 833-2718.
CB780: 120 Vac/50 Hz, 833-2719.
CB784: 120 Vac/60 Hz, 833-2720.
CB784: 120 Vac/ 50 Hz, 833-2721
Plug-in Flame Signal Amplifier, see Table 2.
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 CB780 and CB784 are identical except for the
Keyboard Display Module which is standard with the
CB780 and optional with the CB784.
ACCESSORIES:
Optional:
Control Bus—part no. 833-2729. Provides
communication and remote reset capabilities on
CB784; remote display capabilities on CB780
and CB784.
CB783 Expanded Annunciator—part no. 833-2726.
Keyboard Display Module—part no. 833-2727.
(Standard on CB780; optional on CB784.)
Remote Mounting Kit for the Keyboard Display,
NEMA 4—part no. 833-2740.
Tester—part no. 626-5050.
BURNER CONTROL
POWER
PILOT
FLAME
MAIN
ALARM
RESET
SCROLL MODE
SAVE
5
(127)
5 (127)
M7399
REMOVE ONLY FOR TERMINAL TEST ACCESS.
1
1
5-1/4 (133)
Fig. 1—Mounting dimensions of CB780/CB784 Relay Module and 833-2725 Subbase, in inches (mm)