Carrier RTU Open v3 - Start-up; Service Test

Start-up
RTU Open v3 CARRIER CORPORATION ©2019
Installation and Start-up Guide All rights reserved
41
Use one of the following interfaces to start up, access information, read sensor values, and test the controller.
This interface...
Provides a...
Field Assistant
application -
Runs on a laptop that connects to controller's Local Access port
1
Temporary interface
Equipment Touch
device -
Connects to controller's Rnet port
2
Temporary or permanent
interface
i-Vu®
application
Available for BACnet systems only
Permanent interface
System Touch
device
Available only for BACnet MS/TP systems.
Wire to a BACnet MS/TP network connector and a 24 Vac power supply
3
Temporary or permanent
interface
1
Requires a USB Link (Part #USB-L).
2
See the Equipment Touch Installation and Setup Guide for detailed instructions.
3
See the System Touch Installation and Setup Guide for detailed instructions.
CAUTION
If multiple controllers share power but polarity was not maintained when they were wired, the
difference between the controller's ground and the computer's AC power ground could damage the USB Link and
the controller. If you are not sure of the wiring polarity, use a USB isolator between the computer and the USB
Link. Purchase a USB isolator online from a third-party manufacturer.
Service Test
Navigation:
i-Vu / Field Assistant:
Properties
>
Equipment
>
Configuration
>
Service Configuration
>
Service Test
Service Test
can be used to verify proper operation of compressors, heating stages, indoor fan, power exhaust
fans, economizer, and dehumidification. It is highly recommended to use
Service Test
at initial system start-up
and during troubleshooting. See Appendix A: Points/Properties (page
62) for more information.
To activate
Service Test
, the unit must be shut down first. In Field Assistant, or the i-Vu® interface, you can verify
on the
Properties
>
BACnet Objects
tab that the BBV
System is shut down
shows
Yes
.
Service Test
can be turned on or off from a Field Assistant or i-Vu® interface in
Properties
>
Service Configuration
(page
80), but not from an Equipment Touch. Select
Default Value
of
Enable
to turn on and
Disable
to turn off.
Service Test
differs from normal operation as follows:
• Outdoor air temperature limits for cooling circuits, economizer, and heating are ignored.
• Normal compressor time guards and other staging delays are ignored.
• Alarm statuses (except
Fire
and
Safety Chain
) are ignored, but all alarms and alerts are still broadcast on the
network, if applicable.
Start-up