5188235-YIM-E-0518
Johnson Controls Ducted Systems
65
Smart Equipment™ Control Board
Navigation Components
The following components are needed to access the control
points in the Smart Equipment™ control.
1.
Local LCD on Unit Control Board.
OR
2.
Mobile Access Portal (MAP) Gateway (Portable).
• Source 1 P/N S1-JC-MAP1810-OP
• MAP Gateway Quick Start Guide P/N 24-10737-16
• MAP Gateway Instruction P/N 24-10737-8
NOTE:
For more in-depth sequence of operation of the Smart
Equipment™ control, refer to the Smart Equipment™
Controls Sequence of Operation Overview LIT-
12011950.
Figure 29: Smart Equipment™ Unit Control Board
W1
W2
Y1
G
Y2
OCC
C
SD-24
THERMOSTAT
WIRED HERE
{
R
X
Table 31: Smart Equipment™ UCB Details
Description
Function & Comments
Terminal Directional orientation: viewed with silkscreen labels upright
Limit, 24 VAC power and shutdown connections from unit wiring harness at left on upper edge of UCB
LIMIT
Monitored 24 VAC input through heat section limit
switch(es)
If voltage is absent, indicating the heat section is over-
temperature, the UCB will bring on the indoor blower
C
24 VAC, 75 VA transformer Common referenced
to cabinet ground
Connects through circuit traces to thermostat connection strip C
and indoor blower VFD pin C
24V
24 VAC, 75 VA transformer hot
Powers the UCB microprocessor, connects through circuit trace
to the SD 24 terminal
