Figure 19 - New 331-03478-Xxx Microboard - York YVAA Installation, Operation & Maintenance Instructions Manual

FORM 201.28-NM1.1
ISSUE DATE: 1/31/2018
1
2
3
4
NUM DESC
TP3 +5V
1
TP2 +3.3V
2
SD Card
3
JP4, JP5, JP6
Remote Setpoint
4
Jumpers
U5 RTC/BRAM
5

FIGURE 19 - NEW 331-03478-XXX MICROBOARD

JOHNSON CONTROLS
19
20
5
6
NUM DESC
Power LED
6
Status LED
7
Power LED
8
Port 2
RS485 to E-Link/SC-
9
EQ or Modbus
U23 Port 2
10
RS-485 Driver
18
17
8
7
NUM DESC
Port 2
11
RX2, TX2
PORT 2 RS-232
12
Printer or Modbus
VSD RX
13
VSD-TX
U18 VSD
14
RS-485 Driver
U26 PORT 1
15
RS-485 Driver
SECTION 7 - OPERATION
16
15
14
13
12
11
10
9
LD19331
NUM DESC
Port 1
16
Native BAS
17 TP1 GND
18 TP4+12V
19
TP5 + 15V
20 TP10 + 24V
105
7