York YLUA0248 Series, Installation Operation & Maintenance

Page: 151 / 158

JOHNSON CONTROLS
151
SECTION 10 – MAINTENANCE
FORM 150.73-NM2
ISSUE DATE: 09/07/2020
10
Data can be read and in some cases modified using a se-
rial communication BACnet or Modbus network con-
nection. This information allows communications of
unit operating parameters and external control changes
to setpoint, load limiting, and start/stop commands.
DE MODIFIER ADDRESS
XXXXX
DE MODIFIER OFFSET
XX
P1 PROTOCOL
XXXXXX
P1 MANUAL MAC
ADDRESS XXX
P1 BAUD RATE
XXXXX
P1 PARITY
XXXXX
P1 STOP BITS
X
P2 PROTOCOL
XXXXXXXXXX
P2 MANUAL MAC
ADDRESS XXX
P2 BAUD RATE
XXXXX
P2 PARITY
XXXXX
P2 STOP BITS
X
REAL TIME ERROR ##
RESET 1 = YES, 0 = NO 0
BACNET AND MODBUS DATA COMMUNICATION
In some cases, BACnet parameters may need to be
modified. Modification is accomplished by pressing
the PROGRAM, DOWN ARROW, DOWN ARROW,
DOWN ARROW, DOWN ARROW, and ENTER keys
in sequence. The list below shows the displays for the
values that may be modified: