JOHNSON CONTROLS
178
FORM 150.72-ICOM7
ISSUE DATE: 10/22/2020
SECTION 9 – SERVICE AND TROUBLESHOOTING
FIGURE 39 - PRINTER TO MICROBOARD ELECTRICAL CONNECTIONS
LD12723
TB3-3 TXD
TB3-2 CTS
TB3-5 GND
TB3
2 RD
7 SG
5 CTS
Chiller Microboard
Printer
Do not connect shield
at printer end.
Shield (connect shield to Pin 5
of the connector.
Assembly and Wiring
Assemble and wire all components as shown in Figure
39. Strip the outside insulation back several inches and
individual wires about 3/8 in. (9.5 mm) to connect the
cable at the Microboard. Do not connect the shield at
the printer-end of the cable.
Obtaining a Printout
To obtain a printout, press the PRINT key on the key-
pad and then press either the OPER DATA key or HIS-
TORY key.
To Next Page
Loading...