Local Access - Carrier WeatherMaster 50HC14 Installation Instructions Manual

Single package rooftop cooling only unit with puron (r-410a) refrigerant
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MSB
SW1
Fig. 90 — RTU Open Controller Address Switches
J19
Fig. 91 — Network Wiring
LSB
SW2
Access
Port
J12
Connect to
computer's
USB port
USB Link Kit
Fig. 92 — PC Running Field Assistant

Local Access

WALL MOUNTED EQUIPMENT TOUCH INTERFACE
The Equipment Touch interface is a wall mounted inter-
face used to connect to the RTU Open controller to access the
control information, read sensor values, and maintenance.
This is an accessory interface that does not come with the
RTU Open controller. Wire the Equipment Touch interface to
the RTU Open controller's J13 local access port. There are 2
password protected levels in the display (User and Admin).
See the Equipment Touch Installation and Setup Guide for
more information. See Appendix A for navigation and screen
content.
FIELD ASSISTANT
Field Assistant is a computer program included with the
purchase of the Tech Tool Kit (USB-TKIT). This is a field
Tech Tool to set-up, service, or download application soft-
ware to the RTU Open controller and includes a USB Link
Cable. The link cable connects a USB port to the J12 local ac-
cess port. The Field Assistant's menu structure is similar and
functions the same as i-Vu
RTU OPEN CONTROLLER TROUBLESHOOTING
Communication LEDs
The LEDs indicate if the controller is speaking to the de-
vices on the network. The LEDs should reflect communica-
tion traffic based on the baud rate set. The higher the baud
rate the more solid the LEDs will appear. See Table 26.
NOTE: Refer to the RTU Open Multi-Protocol Controller Con-
trols, Start-Up, Operation and Troubleshooting manual for com-
plete configuration of the RTU Open controller, operating se-
quences and troubleshooting information. Refer to the RTU
Open v3 Integration Guide for details on configuration and trou-
bleshooting of connected networks. Have a copy of these manu-
als available at unit start-up.
P1
P1
P5
P5
Connect to
the Local
Access port
59
®
controller. See Fig. 92.
LOCAL
ACCESS
J13
RNET
PORT
-
+
+12 DVC
Rnet-
MSB
LSB
Rnet+
GND
CR2032
J12
SW1
SW2
J15
SW3
J20
UI-10
on
UI-11
RTU Open Controller
RX
TX

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