Co 2 Sensor Wiring; Interface Overview - Bryant Legacy 547K 04 Series Installation Instructions Manual

S-BUS
Terminals
(1 and 2)
Fig. 46 — S-Bus Sensor DIP Switches
Table 8 — HH57AC081 Sensor Wiring Terminations
TERMINAL
NUMBER LABEL
1 S-BUS
2 S-BUS
Use Fig. 46 and Table 9 to set the DIP switches for the desired
use of the sensor.
Table 9 — HH57AC081 Sensor DIP Switch
DIP SWITCH POSITIONS FOR SWITCHES 1, 2, AND 3
USE
1
DA OFF
RA ON
OA OFF
NOTE: When an S-Bus sensor is connected to an existing net-
work, it will take 60 minutes for the network to recognize and
auto-configure itself to use the new sensor.
During the 60 minute setup period, no alarms for sensor fail-
ures (except SAT) will be issued and no economizing function
will be available.
CO SENSOR WIRING
2
When using a CO sensor, the black and brown common wires
2
are internally connected and only one is connected to "IAQ
COM" on the W7220. Use the power from the W7220 to pow-
er the CO sensor OR make sure the ground for the power
2
supplies are common. See Fig. 47 for CO
DIP
Switch
Label
DIP
Switches
(3)
S-BUS
2 Pin Side
Connector
TYPE DESCRIPTION
S-BUS
Communications
S-BUS
(Enthalpy Control
Sensor Bus)
S-BUS
Communications
S-BUS
(Enthalpy Control
Sensor Bus)
2 3
ON OFF
OFF OFF
OFF OFF
sensor wiring.
2
CO Sensor
2
24V
Analog
Out
1 Power Supply. Provide Disconnect
Means and Overload Protection
As Required.
Fig. 47 — CO

INTERFACE OVERVIEW

This section describes how to use the EconoMi$er
interface for:
• Keypad and menu navigation
• Settings and parameter changes
• Menu structure and selection
User Interface
The user interface consists of a 2-line LCD display and a
4-button keypad on the front of the economizer controller.
Keypad
Use the 4 navigation buttons (see Fig. 48) to scroll through the
menus and menu items, select menu items, and to change
parameter and configuration settings.
To use the keypad when working with menus:
• Press the ▲ (Up arrow) button to move to the previous
menu.
• Press the ▼ (Down arrow) button to move to the next
menu.
• Press the (Enter) button to display the first item in the
currently displayed menu.
• Press the (Menu Up/Exit) button to exit a menu's item
and return to the list of menus.
Menu Up Menu Up Menu Up
(Exit) (Exit) (Exit)
Scroll Scroll Scroll
Button Button Button
Up/Down Up/Down Up/Down
Buttons Buttons Buttons
Fig. 48 — W7220 Controller Navigation Buttons
To use the keypad when working with Setpoints, System and
Advanced Settings, Checkout tests and Alarms:
1. Navigate to the desired menu.
2. Press the (Enter) button to display the first item in the
currently displayed menu.
3. Use the ▲ and ▼ buttons to scroll to the desired
parameter.
30
Red L1
(Hot)
Black
L2
1
Yellow
+
Brown
–
Orange
Green
Sensor Wiring
2
Select Select Select
(Enter) (Enter) (Enter)
Button Button Button
® X user
2 Line 2 Line 2 Line
LCD LCD LCD