Carrier 48FC 08-16 Series Service And Maintenance Instructions page 60

Table 17 — HH57AC081 Sensor Wiring Terminations
TERMINAL
NUMBER LABEL
1 S-BUS
2 S-BUS
Use Fig. 84 and Table 18 to set the DIP switches for the desired
use of the sensor.
Table 18 — HH57AC081 Sensor DIP Switch
DIP SWITCH POSITIONS FOR SWITCHES 1, 2, AND 3
USE
1
DA OFF
RA ON
OA OFF
NOTE: When a S-Bus sensor is connected to an existing network,
it will take 60 minutes for the network to recognize and auto-con-
figure itself to use the new sensor.
During the 60 minute setup period, no alarms for sensor failures
(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 are
2
internally connected and only one is connected to "IAQ COM" on
the W7220. Use the power from the W7220 to power the CO
sensor OR make sure the ground for the power supplies are com-
mon. See Fig. 85 for CO sensor wiring.
2
CO Sensor
24V
+
Analog
Out
–
1 Power supply. Provide disconnect
means and overload protection
as required.
Fig. 85 — CO
INTERFACE OVERVIEW
This section describes how to use the EconoMi$er
face 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.
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
Red L1
(Hot)
Black
L2
1
Yellow
Brown
Orange
Green
Sensor Wiring
2
X user inter-
®
Keypad
The four navigation buttons (see Fig. 86) are used 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.
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. 86 — W7220 Controller Navigation Buttons
Press the (Menu Up/Exit) button to exit a menu's item and re-
turn to the list of menus. To use the keypad when working with Set
2
Points, 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.
4. Press the (Enter) button to display the value of the
currently displayed item.
5. Press the ▲ button to increase (change) the displayed
parameter value.
6. Press the ▼ button to decrease (change) the displayed
parameter value.
NOTE: When values are displayed, pressing and holding the
▲ or ▼ button causes the display to automatically increment.
7. Press the (Enter) button to accept the displayed value
and store it in nonvolatile RAM.
8. "CHANGE STORED" displays.
9. Press the (Enter) button to return to the current menu
parameter.
10. Press the (Menu Up/Exit) button to return to the previous
menu.
Menu Structure
Table 19 illustrates the complete hierarchy of menus and parame-
ters for the EconoMi$er
The Menus in display order are:
• STATUS
• SET POINTS
• SYSTEM SETUP
• ADVANCED SETUP
• CHECKOUT
• ALARMS
60
Select Select Select
(Enter) (Enter) (Enter)
Button Button Button
X system.
®
2 Line 2 Line 2 Line
LCD LCD LCD