Display/Print Keys - Johnson Controls Quantech Millennium QCC3080CZE Installation Operation & Maintenance

FORM QCC3-NM1
ISSUE DATE: 12/19/2023
The Display/Print keys allow the user to retrieve sys-
tem and unit information that is useful for monitoring
unit operation, diagnosing potential problems, trouble-
shooting, and commissioning the unit.
System and unit information, unit options, setpoints,
and scheduling can also be printed out with the use of
a printer. Both real-time and history information are
available.
Oper data key
The OPER DATA key gives the user access to unit and
system operating parameters. When the OPER DATA
key is pressed, system parameters will be displayed
and remain on the display until another key is pressed.
After pressing the OPER DATA key, the various op-
erating data screens can be scrolled through by using
the ↑ (UP) and ↓ (DOWN) arrow keys or the ENTER/
ADV key located under the "ENTRY" section.
System 2 information will only be dis-
played for 2 system units.
With the "UNIT TYPE" set as a condensing unit (via
jumper between J11-7 and J11-12 on the I/O Board),
the following list of operating data screens are view-
Quantech

Display/print keys

able under the Oper Data key in the order that they are
displayed. The ↓ (DOWN) arrow key scrolls through
the displays in the order they appear below:
D I S C H A R G E
=
This display shows the discharge air temperature leav-
ing the evaporator. The display will only be shown
when the Control Mode is programmed for Discharge
Air (under the Options key). The minimum limit on the
display for these parameters are 9.2°F (-12.7°C). The
maximum limit on the display is 85.4°F (29.7°C).
A M B I E N T
This display shows the ambient air temperature. The
minimum limit on the display is 0.4°F (-17.6°C). The
maximum limit on the display is 131.2°F (55.1°C).
SECTION 7: UNIT CONTROLS
The unit MUST be set to be a condensing
unit via jumper between J11-7 and J11-12
on the I/O Board. DO NOT operate the
unit if not properly set up.
A I R T E M P
5 7 . 4 ° F
A I R T E M P
= 8 7 . 5 ° F
00067VIP
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