Menu Structure; Setup And Configuration; Time-Out And Screen Saver - Carrier WeatherMaker 50TC07 Series Installation Instructions Manual

Single package rooftop cooling only with puron (r-410a) refrigerant
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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 cur-
rently displayed menu.
Fig. 95 — W7220 Controller Navigation Buttons
Press the
(Menu Up/Exit) button to exit a menu's item and
return to the list of menus. To use the keypad when working
with Set 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 previ-
ous menu.

MENU STRUCTURE

Table 7 illustrates the complete hierarchy of menus and param-
eters for the EconoMi$er
The Menus in display order are:
STATUS
SETPOINTS
SYSTEM SETUP
ADVANCED SETUP
CHECKOUT
ALARMS
Table 7 illustrates the complete hierarchy. Your menu pa-
rameters may be different depending on your configuration.
For example, if you do not have a DCV (CO
none of the DCV parameters appear and only MIN POS will
display. If you have a CO
MAX will appear AND if you have 2 speed fan DCV MIN
(high and low speed) and DCV MAX (high and low speed
will appear).
NOTE: Some parameters in the menus use the letters MA or
MAT, indicating a mixed air temperature sensor location before
the cooling coil. This unit application has the control sensor locat-
ed after the cooling coil, in the fan section, where it is designated
as (Cooling) Supply Air Temperature or SAT sensor.

SETUP AND CONFIGURATION

Before being placed into service, the W7220 Economizer mod-
ule must be setup and configured for the installed system.
IMPORTANT: During setup, the economizer module is live
at all times.
The setup process uses a hierarchical menu structure that is
easy to use. Press the ▲ and ▼ arrow buttons to move forward
and backward through the menus and press the button to select
and confirm setup item changes.

TIME-OUT AND SCREEN SAVER

When no buttons have been pressed for 10 minutes, the LCD
displays a screen saver, which cycles through the Status items.
Each Status items displays in turn and cycles to the next item
after 5 seconds.
58
X system.
®
) sensor, then
2
sensor, the DCV MIN and DCV
2

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