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84 pages, 2.45 Mb
Contents
Main
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Table of Contents
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Page
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What is the RTU Open controller?
Introduction
Page
Specifications
Safety considerations
Field-supplied hardware
Installation
To mount the RTU Open
To wire the controller for power
Using the rooftop equipment control power transformer
Using an auxiliary control power transformer
To set the RTU Open's address
To set the RTU Open's communications protocol and baud rate
Wiring the RTU Open to the MS/TP network
Wiring specifications
To wire the controller to the network
Wiring inputs and outputs
Input wiring specifications
Inputs
Binary outputs
Analog output
To wire inputs and outputs
J3
W1
J4 Inputs
J5 Inputs
J11 Outputs
NOTE
NOTE J20 Analog Inputs 10 and 11 are reserved for a 10k Ohm space temperature sensor with an
Wiring sensors to inputs
Field-supplied sensor hardware
Wiring an SPT sensor
Rnet wiring speci ficati ons
To wire the SPT sensor to the controll er
Wiring a Supply Air Temperature sensor
Wiring specifications
To wire the SAT sensor to the c ontroller
Wiring a Duct Air Temperature sensor
Wiring specifications
To wire a duct sensor to the controller
Wiring an Outdoor Air Temperature sensor
Wiring specifications
To wire an OAT sensor to the controller
Wiring a CO2 sensor
Wiring specifications
To wire the CO2 sensor to the controll er
Wiring an Outdoor Air Quality sensor
Wiring specifications
To wire the OAQ se nsor to the controller
Wiring a Relative Humidity sensor
Wiring specifications
To wire the RH sensor to the controll er
Wiring a Humidistat
Wiring specifications
To wire a humidis ta t to the controller
Wiring an enthalpy switch
Wiring specifications
To wire an enthalpy sw itch (outdoor air) to the controller
To wire an enthalpy sw itch (differential) to the controller
Wiring a status switch
To wire a status switch to the controller
Wiring a compressor safety
Wiring specifications
To wire a compress or safety input to the c ontroller
Wiring an occupancy switch or door contact
Wiring specifications
To wire an occupancy switch or door contact
Start-up
Service Test
Configuring the RTU Open's properties
Unit Configuration properties
Page
Setpoint properties
Service Configuration properties
Page
Occupancy
Sequence of Operation
Supply fan
Cooling
Economizer
Power Exhaust
Unoccupied Free Cooling
Optimal Start
To change Optimal Start settings:
Enthalpy control
Indoor Air CO2
Heating
Heat Pump operation
Dehumidification
Demand Limit
Door switch
Remote occupancy
Fire Shutdown
Compressor Safety
Fan Status
Filter Status
Alarms
Page
Page
Linkage
Linkage Air Source Modes
Serial number
Troubleshooting
LED's
Replacing the RTU Open's battery
FCC Compliance
Compliance
CE Compliance
BACnet Compliance
Status
Appendix A: RTU Open Points/Properties
Unit Configuration
Page
Setpoints
Page
Page
Page
Alarm Configuration
Service Configuration
Page
Maintenance
Page
Alarms
Linkage
I/O Points
Page
Single Point Linkage
Appendix B: Single Point Linkage and Device Address Binding
Device Address Binding
B
Index
C
D
F
I
R
S
T
W