Honeywell 7800 Series Installation Instructions Manual page 16

RM7888A 7800 SERIES RELAY MODULE
Fig. 12. Electrical panel installation.
Fig. 13. Wall or burner installation.
4. Mount the RM7888A by aligning the four L-shaped
corner guides and knife blade terminals with the
bifurcated contacts on the wiring subbase and
securely tightening the two screws without deform-
ing the plastic.
Mounting the Keyboard Display
Module (Fig. 14)
1. Align the two interlocking ears of the Keyboard Dis-
play Module with the two mating slots on the
RM7888A.
2. Insert the two interlocking ears into the two mating
slots and, with a hinge action, push on the lower cor-
ners of the Keyboard Display Module to secure it to
the RM7888A.
32-00214—01
3. Make sure the Keyboard Display Module is firmly in
place.
Fig. 14. Keyboard Display Module mounting.
Mounting the Data Controlbus
Module™, Modbus Module or the
Extension Cable Assembly (Figs. 15
and 16)
1. Align the two interlocking ears with the two mating
slots on the RM7888A.
2. Insert the two interlocking ears into the two mating
slots and push on the lower corners of the DATA
CONTROLBUS MODULE™, Modbus module or
Extension Cable Assembly to secure it to the
RM7888A.
3. Make sure the modules are is firmly in place.
Fig. 15. DATA CONTROLBUS MODULE™ mounting.
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