Co2 Sensor Wiring; Interface Overview - Carrier RHW036-060 Installation Instructions Manual

Table of Contents

Advertisement

Table 7 — HH57AC081 Sensor Wiring Terminations
TERMINAL
NUMBER
LABEL
1
S-BUS
2
S-BUS
Use Fig. 43 and Table 8 to set the DIP switches for the de-
sired use of the sensor.
Table 8 — 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
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
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
2
wires are 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
2
power supplies are common. See Fig. 44 for CO
wiring.
CO
SENSOR
2
24V
+
ANALOG
OUT
1
POWER SUPPLY. PROVIDE DISCONNECT
MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
Fig. 44 — CO

INTERFACE OVERVIEW

This section describes how to use the EconoMi$er
interface for:
Keypad and menu navigation
Settings and parameter changes
Menu structure and selection
User Interface
The user interface consists of a 2-line LCD display and a 4-
button keypad on the front of the economizer controller.
28
TYPE
DESCRIPTION
S-BUS
Communications
S-BUS
(Enthalpy Control
Sensor Bus)
S-BUS
Communications
S-BUS
(Enthalpy Control
Sensor Bus)
2
3
ON
OFF
OFF
OFF
OFF
OFF
2
RED
L1
(HOT)
BLACK
L2
1
YELLOW
BROWN
ORANGE
GREEN
Sensor Wiring
2
®
Specifications subject to change without notice.
Keypad
Use the four navigation buttons (see Fig. 45) to scroll
through the menus and menu items, select menu items,
and to change parameter and configuration settings.
To use the keypad when working with menus:
Press the ▲ (Up arrow) button to move to the previ-
ous menu.
Press the ▼ (Down arrow) button to move to the next
menu.
Press the
the currently displayed menu.
Press the
item and return to the list of menus.
Fig. 45 — W7220 Controller Navigation Buttons
To use the keypad when working with Setpoints, System
sensor
and Advanced Settings, Checkout tests and Alarms:
1. Navigate to the desired menu.
2. Press the
the currently displayed menu.
3. Use the ▲ and ▼ buttons to scroll to the desired
parameter.
4. Press the
the currently displayed item.
5. Press the ▲ button to increase (change) the dis-
played parameter value.
6. Press the ▼ button to decrease (change) the dis-
played parameter value.
NOTE: When values are displayed, pressing and holding
the ▲or ▼ button causes the display to automatically in-
crement or decrement.
1. Press the
value and store it in nonvolatile RAM. "CHANGE
STORED" displays.
2. Press the
menu parameter.
3. Press the
previous menu.
X user
Menu Structure
Table 9 illustrates the complete hierarchy of menus and pa-
rameters for the EconoMi$er
The Menus in display order are:
STATUS
SETPOINTS
SYSTEM SETUP
ADVANCED SETUP
CHECKOUT
ALARMS
(Enter) button to display the first item in
(Menu Up/Exit) button to exit a menu's
(Enter) button to display the first item in
(Enter) button to display the value of
(Enter) button to accept the displayed
(Enter) button to return to the current
(Menu Up/Exit) button to return to the
X system.
®
28

Advertisement

Table of Contents
loading

Table of Contents