Manual 2100-702D
Page
15 of 29
JADE™ Economizer Controller
W7220 controller offers unparalleled flexibility and
expansion in a dependable and solid electronic
platform.
•
Multiple economizer applications from one
controller.
•
Nearly limitless customization of setpoints.
•
Internal checkout menu provides fast performance
assessment.
•
Alarms menu provides assistance in
troubleshooting.
Memory:
User-defined setpoints remain in non-
volatile flash memory regardless of electrical outage
duration. Control voltage below 18V may cause erratic
performance.
START-UP/CHECKOUT PROCEDURES
FIGURE 13
JADE
TM
Economizer Controller
MENU UP
(EXIT)
BUTTON
SCROLL
(UP/DOWN)
BUTTONS
SELECT (ENTER)
BUTTON
2 LINE
LCD
From the factory, the
JADE
™ economizer controller
has been preset with “default” values that were pre-
determined as optimum for equipment buildings,
and these are shown in Tables 2 – 4. However, it is
important to review and/or customize these operational
values per owner specifications in order to guarantee
satisfactory performance.
The installing contractor can easily access the JADE™
programming by the integral keypad and LCD display.
There are six (6) basic MENU categories to navigate:
1.
STATUS
– provides real-time access to sensor
input, damper and equipment operation.
2.
SETPOINTS
– customizable operational
parameters.
3.
SYSTEM SETUP
– customizable application
programming (see Revew/Customize System
Setup).
4.
ADVANCED SETUP
– further application and
operational options.
5.
CHECKOUT
– instantly activate and verify
economizer functions.
6.
ALARMS
– displays alarms and pinpoints problem
areas.
Review/Customize System Setup
Before being placed in service, the
JADE
™
economizer
controller programming should be reviewed/customized
through the following steps:
1.
SYSTEM SETUP:
from the main screen, press the
SCROLL (UP/DOWN) BUTTONS
to navigate through the
six (6) basic menu items to the
SYSTEM SETUP
menu.
– Push the
SELECT (ENTER) BUTTON
to choose the
SYSTEM SETUP
menu.
– Navigate through the multiple levels of
SYSTEM
SETUP
by pushing the
SCROLL (UP/DOWN)
BUTTONS
.
– To change a specific parameter in the
SYSTEM
SETUP
menu, press the
SELECT (ENTER)
BUTTON
to display its current value. Press the
SCROLL (UP/DOWN) BUTTONS
to change or
increase/decrease value. Press the
SELECT
(ENTER) BUTTON
to save the new customized
value—
“CHANGE STORED”
will be displayed.
Press the
SELECT (ENTER) BUTTON
again to
return to current menu parameter.
– For specific
SYSTEM SETUP
level information,
refer to
Table 2
on page 16.
NOTE:
During an extended level of inactivity, the
display of the JADE™ economizer controller will begin
to automatically scroll through the various levels of the
STATUS menu as a screensaver. Each level will stay for
approximately 5 seconds before changing to the next
level.