Johnson Controls York Smart Equipment SC-EQ - SC-EQ Component Locations and Wiring

JOHNSON CONTROLS
24
FORM 450.50-N1
ISSUE DATE: 08/19/2019
SECTION 2 - INSTALLATION
Risk of Property Damage. Do not apply
power to the system before checking all
wiring connections. Short circuited or
improperly connected wires may result
in permanent damage to the equipment.
1. Connect a 1.29-1.02 mm (16-18 AWG) wire from
a reliable ground reference to the SC-EQ Gate-
way’s incoming power ground lug. Do not re-
move the existing wire that connects the ground
lug to the enclosure cover.
2. On 120 VAC applications, connect the Hot wire to
TB-BLK and the Neutral wire to TB-WHT. Con-
nect the ground wire to the ground lug.
On 240 VAC applications, connect the Hot wire to
TB-YEL and the Neutral wire to TB-WHT. Con-
nect the ground wire to the ground lug.
IMPORTANT: Use copper conductors only. Make all
wiring connections in accordance with local, national,
and regional regulations. Do not exceed the SC-EQ
Gateway’s electrical ratings.
FIGURE 27 - SC-EQ COMPONENT LOCATIONS
LD19992a
24 VAC
Power
+12 VDC
Power
BAS Port J12
MAC Address Switch
CS RJ
BAS RJ
Connected Service
Port J11
EQ 485 Port
+
-
COM
SHD
EQ 232 Port
TX
RX
COM
SHD
LEDs Power
CS BUS
BS BUS
EQ BUS
Fault
USB Port
Equipment RX
Equipment TX
BAS RX
BAS TX