516 01 3604 04
Specifications subject to change without notice.
29
Fig. 46 — S-Bus Sensor DIP Switches
Use Fig. 46 and Table 11 to set the DIP switches for the de
-
sired use of the sensor.
NOTE: When an S-Bus sensor is connected to an existing
network, 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 func
-
tion will be available.
CO
2
Sensor Wiring
When using a CO
2
sensor the black and brown common
wires are internally connected and only one is connected to
“IAQ COM” on the W7220 (see Fig. 45). Use the power
from the W7220 to power the CO
2
sensor OR make sure
the ground for the power supplies are common. See Fig. 47
for CO
2
sensor wiring.
Fig. 47 — CO
2
Sensor Wiring
INTERFACE OVERVIEW
This section describes how to use the EconoMi$er
®
X user
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 four 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 previ
-
ous 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.
Fig. 48 — W7220 Controller Navigation Buttons
Table 10 — HH57AC081 Sensor Wiring Terminations
TERMINAL
TYPE
DESCRIPTION
NUMBER
LABEL
1
S-BUS
S-BUS
S-BUS
Communications
(Enthalpy Control
Sensor Bus)
2
S-BUS
S-BUS
S-BUS
Communications
(Enthalpy Control
Sensor Bus)
Table 11 — HH57AC081 Sensor DIP Switch
USE
DIP SWITCH POSITIONS FOR SWITCHES 1, 2, AND 3
1
2
3
DA
OFF
ON
OFF
RA
ON
OFF
OFF
OA
OFF
OFF
OFF
DIP
Switch
Label
DIP
Switches
(3)
S-Bus
2 Pin Side
Connector
S-Bus
Terminals
(1 and 2)
CO
2
SENSOR
24V
ANALOG
OUT
L1
(HOT)
L2
RED
BLACK
YELLOW
BROWN
ORANGE
GREEN
+
–
POWER SUPPLY. PROVIDE DISCONNECT
MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
1
1
2 LINE
LCD
MENU UP
(EXIT)
BUTTON
SCROLL
UP/DOWN
BUTTONS
SELECT
(ENTER)
BUTTON
