Справочник Пользователя для Honeywell W7750A
EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER
74-2958—1
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INTRODUCTION
Description of Devices
The W7750 is the Constant Volume Air Handling Unit
(CVAHU) Controller in the Excel 10 product line family. The
CVAHU is a L
(CVAHU) Controller in the Excel 10 product line family. The
CVAHU is a L
ON
M
ARK
compliant device designed to control
single zone and heat pump air handlers. W7750 systems
control the space temperature in a given zone by regulating
the heating and cooling equipment in the air handler that
delivers air to that space. The W7750 air handler is typically
an all-in-one constant air volume packaged unit, located on
the roof of the building. In addition to standard heating and
cooling control, the W7750 provides many options and
advanced system features that allow state-of-the-art
commercial building control. The W7750 Controller is capable
of stand-alone operation; however, optimum functional
benefits are achieved when the network communication
capabilities are used. The W7750 utilizes the Echelon
control the space temperature in a given zone by regulating
the heating and cooling equipment in the air handler that
delivers air to that space. The W7750 air handler is typically
an all-in-one constant air volume packaged unit, located on
the roof of the building. In addition to standard heating and
cooling control, the W7750 provides many options and
advanced system features that allow state-of-the-art
commercial building control. The W7750 Controller is capable
of stand-alone operation; however, optimum functional
benefits are achieved when the network communication
capabilities are used. The W7750 utilizes the Echelon
L
ON
W
ORKS
network (L
ON
W
ORKS
Bus) for communications,
and conforms with the L
ON
M
ARK
HVAC Interoperability
standard for Roof Top Unit Controllers (see Fig. 9).
The T7770 or T7560 direct-wired Wall Modules are used in
conjunction with W7750 Controllers. The zone controlled by
the W7750 Controller typically can use a T7770A through D or
a T7560A,B Wall Module. Additional features available in
T7770A through D models include analog setpoint input knob,
override digital input pushbutton, override status LED and
L
conjunction with W7750 Controllers. The zone controlled by
the W7750 Controller typically can use a T7770A through D or
a T7560A,B Wall Module. Additional features available in
T7770A through D models include analog setpoint input knob,
override digital input pushbutton, override status LED and
L
ON
W
ORKS
Bus network access jack. Additional features
available in T7560A,B models include analog setpoint input
knob, override digital input pushbutton, humidity sensor
(T7650B model), override status LCD and digital display.
knob, override digital input pushbutton, humidity sensor
(T7650B model), override status LCD and digital display.
The Q7750A Excel 10 Zone Manager is a communications
interface that allows devices on the L
interface that allows devices on the L
ON
W
ORKS
Bus network
to communicate with devices on the standard EXCEL 5000
System C-Bus. Fig. 1 shows an overview of a typical system
layout. The Q7750A also provides some control and
monitoring functions.
layout. The Q7750A also provides some control and
monitoring functions.
Fig. 1. Typical system overview.
PERSONAL COMPUTER TOOLS
E-VISION
CARE
E-VISION
CARE
Q7752A
L
L
ON
W
ORKS
BUS
SERIAL
ADAPTER
ADAPTER
EXCEL 10
Q7750A
ZONE
MANAGER
Q7750A
ZONE
MANAGER
C-BUS COMMUNICATION NETWORK
EXCEL 500
EXCEL BUILDING SUPERVISOR
C-BUS TO L
ON
W
ORKS
BUS
INTERFACE DEVICE
EXCEL 10 W7751F
PANEL PLENUM
MOUNT VERSION
VARIABLE AIR VOLUME
CONTROLLER
PANEL PLENUM
MOUNT VERSION
VARIABLE AIR VOLUME
CONTROLLER
L
ON
W
ORKS
-BUS COMMUNICATIONS NETWORK
L
ON
W
ORKS
BUS COMMUNICATIONS NETWORK
Q7751A
FTT
L
FTT
L
ON
W
ORKS
BUS
ROUTER
EXCEL 10 T7770
WALL MODULE
WALL MODULE
EXCEL 10 T7560A, B
WALL MODULE
WALL MODULE
M17487
EXCEL 10
W7750B
CVAHU
CONTROLLER
W7750B
CVAHU
CONTROLLER
1
2
3
4
5
6
7
8
9
10
11 12 13 14
15
J3
31
30
29
28
27
26
25
24 23 22 21
20
19
18
17
16
Q7740A
2-WAY
REPEATER
2-WAY
REPEATER
Excel 10 W7750A,B,C Constant Volume AHU Controller