York YLUA0248 Series, Installation Operation & Maintenance

Page: 105 / 158

JOHNSON CONTROLS
105
SECTION 7 – UNIT CONTROLS
FORM 150.73-NM2
ISSUE DATE: 09/07/2020
7
TABLE 13 - OPERATION DATA
* Block of information repeats for each system
** Only displayed when Control Mode is programmed for Discharge
Air Temperature Control.
OPER DATA QUICK REFERENCE LIST
The following table is a quick reference list for infor-
mation available under the OPER DATA key.
LD13347
PRINT KEY
The PRINT key allows the operator to obtain a printout
of real-time system operating data or a history print-
out of system data at the “instant of the fault” on the
last six faults which occurred on the unit. An optional
printer is required for the printout.
OPERATING DATA PRINTOUT
Pressing the PRINT key and then OPER DATA key
allows the operator to obtain a printout of current sys-
tem operating parameters. When the OPER DATA key
is pressed, a snapshot will be taken of system operat-
ing conditions and panel programming selections. This
data will be temporarily stored in memory and trans-
mission of this data will begin to the printer. A sample
Operating Data printout is shown below. (Note: Not all
values are printed for all models.)
YORK INTERNATIONAL CORPORATION
MILLENNIUM CONDENSING UNIT
UNIT STATUS
2:04PM 01 MAR 09
SYS 1 NO COOLING LOAD
SYS 2 COMPRESSORS RUNNING 2
OPTIONS
AMBIENT CONTROL STANDARD
LOCAL/REMOTE MODE REMOTE
CONTROL MODE LEAVING LIQUID
LEAD/LAG CONTROL AUTOMATIC
FAN CONTROL AMB & DSCH PRESS
CURRENT FEEDBACK NONE
SOFT START ENABLED
EXPANSION VALVE THERMOSTATIC
PROGRAM VALUES
DSCH PRESS CUTOUT 395 PSIG
SUCT PRESS CUTOUT 44 PSIG
LOW AMBIENT CUTOUT 25.0 DEGF
ANTI RECYCLE TIME 600 SECS
FAN CONTROL ON PRESS 240 PSIG
FAN DIFF OFF PRESS 80 PSIG
NUMBER OF COMPRESSORS 6
NUMBER OF FANS PER SYSTEM 4
UNIT TRIP VOLTS 3.0
REFRIGERANT TYPE R-22
REMOTE UNIT ID PROGRAMMED 1
UNIT DATA
DISCHARGE AIR TEMP 67.0 DEGF
COOLING RANGE 65.0 +/- 5.0 DEGF
AMBIENT AIR TEMP 74.8 DEGF
LEAD SYSTEM SYS 2
EVAPORATOR PUMP ON
EVAPORATOR HEATER OFF
ACTIVE REMOTE CONTROL NONE
UNIT XXX.X AMPS X.X VOLTS
SOFTWARE VERSION C.M08.14.02
Oper Data Key
** Discharge Air Temperature
Ambient Air Temperature
System 1 Discharge and Suction Pressure
System 2 Discharge and Suction Pressure
*System X Accumulated Hours
*System X Accumulated Starts
Load and Unload Timers
Temp Rate and Temp Error
(Leaving Chilled Liquid Control Only)
Lead System Indicator
Evaporator Pump Contacts
Active Remote Control
Current Feedback One Per Unit
*System X Compressors Status
*System X Run Time
Sys X LLSV and HGSV Status
*System X Condenser Fan Stage
Current Feedback One Per System