Figure 43 - Printer To Microboard Electrical Connections - York YLAA Series Installation Operation & Maintenance

FORM 150.72-ICOM6
ISSUE DATE: 12/29/2017
Assembly and Wiring
All components should be assembled and wired as
shown in Figure 43. Strip the outside insulation back
several inches and individual wires about 3/8" (9.5
mm) to connect the cable at the Microboard. Do not
connect the shield at the printer-end of the cable.
Chiller Microboard
TB3-3 TXD
TB3-2 CTS
TB3-5 GND
Shield (connect shield to Pin 5
of the connector.

FIGURE 43 - PRINTER TO MICROBOARD ELECTRICAL CONNECTIONS

JOHNSON CONTROLS
TB3
SECTION 9 – SERVICE AND TROUBLESHOOTING
Obtaining a Printout
A printout is obtained by pressing the PRINT key on
the keypad and then pressing either the OPER DATA
key or HISTORY key.
Printer
2 RD
5 CTS
7 SG
Do not connect shield
at printer end.
LD12723
9
169