Johnson Controls York YHAU-C User Manual

Figure 43: Upper communication system configuration
Scope of delivery
Johnson Controls scope of delivery for the upper communication system includes the control
panels for the upper communication function. The customer is responsible to deliver all other
related equipment: concentrator (HUB), installation, wiring, communication program for the central
monitoring unit, and so on.
Table 13: Scope of delivery
Item Customer JCI Remarks
Control panel with upper
communication function
X Communication protocol: Modbus TCP
Data concentrator (HUB) X Installation and wiring are included
Wiring work for Ethernet connection X Apply twisted pair cable
Communication program
for central monitoring unit
X
Refer to this section for the details of the IP address,
function code, communication data address, and so on.
Connection port for Ethernet communication
Make sure that the Ethernet cable is plugged into the correct port on the Control Panel. The
Ethernet connection port is located at the bottom left on the back of the Control Panel.
Table 14: Ethernet interface specification
Item Specification
Communication format 10 BASE-T / 100 BASE-TX
Connector shape RJ-45 type modular jack connector
YHAU-C Single Effect Steam-Fired Absorption Chiller90

Johnson Controls York YHAU-C Specifications

General

Brand	Johnson Controls
Model	York YHAU-C
Category	Chiller
Language	English