EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER
45 74-2958—1
Fig. 39. L
ON
W
ORKS
®
Bus termination wiring options.
Step 5. Order Equipment
After compilin
a bill of materials throu
h completion of the
previous application steps, refer to Table 11 for orderin
information. Contact Hone
well for information about
Controllers and Wall Modules with no lo
o. See Table 11.
Excel 10 W7750 Controller Orderin
Information.
M11618A
W7750
(D) LONWORKS Bus Termination network
switches in the Q7740A, B Repeaters
(C) L
ONWORKS Bus Termination Module installed
at 2 x 4 or 60 mm box-mounted T7770
(E) Installing L
ONWORKS Bus Termination
Module at W7751H (terminals 11 and 12)
(F) Twist wires and attach wire nuts to RJ-45 Adapter
cables, L
ONWORKS Bus segment wires and Termination
Module to connect to a Q7751A,B Router
(B) Installing L
ONWORKS Bus
Termination Module at W7750
(A) Enabling Internal Termination Network using
jumpers in the Q7750A Zone Manager
RJ-45
PLUG
PART NO. 209541B
TERMINATION
MODULE
LONWORKS
BUS
WIRE NUTS
LONWORKS BUS
TERMINAL BLOCK
FOR Q7750A
ZONE MANAGER
INSERT INTO TERMINALS 1 AND 2 WITH THE
LONWORKS BUS WIRE. TERMINATION MODULE IS
PHYSICALLY LOCATED BEHIND THE T7770
INSIDE THE 2 X 4 OR 60 MM BOX.
Q7751A LONWORKS BUS
ROUTER
L
ONWORKS BUS
8
7
6
5
4
3
LONWORKS BUS
L
ONWORKS BUS
INTERNAL
TERMINATION
NETWORK
INTERNAL
TERMINATION
NETWORK
FIELD INSTALLED JUMPER
FIELD INSTALLED
JUMPER
LONWORKS BUS
NET 2
SINGLY
TERMINATED SEGMENT
USE FOR DOUBLY
TERMINATED
DAISY-CHAIN
SEGMENT
PART NO. 209541B
TERMINATION
MODULE
PART NO.
209541B
TERMINATION MODULE
PART NO.
209541B
TERMINATION
MODULE
O I II O I II
O I II O I II
AB
C
D
SWITCHES ON SIDE, UNDER
Q7740A,B CIRCUIT BOARD.
USE SMALL FLAT OBJECT TO
MOVE THE SWITCHES
AS NEEDED FROM
POSITION O (NO TERMINATION)
POSITION I (SINGLY TERMINATED)
POSITION II (DOUBLY TERMINATED)
SEGMENTS
LABEL ON Q7740B 4 WAY REPEATER
Q7740B 4 WAY REPEATER SHOWN,
Q7740A 2 WAY REPEATER HAS TWO SWITCHES.
NOTE:
