Johnson Controls York Smart Equipment SC-EQ - SC-EQ Connections to YORKTALK II

JOHNSON CONTROLS
26
FORM 450.50-N1
ISSUE DATE: 08/19/2019
SECTION 2 - INSTALLATION
LD20010
TB7
031-01065-xxx
RED
BLACK
SHIELD
Jumper
RED
BLACK
(Open)
RED
BLACK
TB1
SHIELD
RED
BLACK
031-02050-000
TB1
TB6
U17
EPROM
S1
1
0
23
4

5
87
96
MODEM
EMS
JP56
JP58
RS485
RS232
GND
SC-EQ
EQ 485 Port J8
+
-
COM
SHLD
GRD
Rotary Switch
(Chiller ID=0)
Equipment Cable
York Talk 2
RS485
(1200 baud)
V25
031-01314-000
SHD
GND
(Open)
GRD
SC-EQ
EQ 485 Port J8
+
-
COM
SHLD
Equipment Cable
York Talk 2
RS485
(1200/4800 baud)
Note: If the EPROM used in the board is dated prior to 11/2000, the chiller ID is fixed at 0.
If the EPROM used is dated after 11/2000, the chiller ID is software selectable through the
micro panel.
V25
SHD
GND
SHD
GND
BLUE
BLUE
SHIELD
WHITE
WHITE
SC-EQ
EQ 485 Port J8
+
-
COM
SHLD
GRD
Equipment Cable
York Talk 2
RS485
(4800 baud)
SC-EQ
EQ 485 Port J8
+
-
COM
SHLD
Note: The chiller ID is software-selectable through the micro panel keypad. Set the Chiller
ID to 0 to make network address to 1.
FIGURE 29 - SC-EQ COMM CARD TO YORKTALK II EQUIPMENT CONNECTIONS
NOTE: See Table 2 on page 13 for board cross-reference.