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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
g
a bill of materials throu
g
h completion of the
previous application steps, refer to Table 11 for orderin
g
information. Contact Hone
y
well for information about
Controllers and Wall Modules with no lo
g
o. See Table 11.
Excel 10 W7750 Controller Orderin
g
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: