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RTU OPEN 11-808-427-01
Carrier RTU OPEN 11-808-427-01 User Manual
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CARRIER COR
PORATION ©2010
A memb
er of th
e Unit
ed Tec
hnolo
gies Corpo
ration
family
· Sto
ck symbol
UTX ·
Catal
og No.
11
-
808
-
427
-
01 · 11/19/2010
83
Table of Contents
Table of Contents
3
Introduction
7
What Is the RTU Open Controller
7
Specifications
9
Safety Considerations
10
Installation
11
Field-Supplied Hardware
11
To Mount the RTU Open
12
To Wire the Controller for Power
13
Using the Rooftop Equipment Control Power Transformer
13
Using an Auxiliary Control Power Transformer
14
To Set the RTU Open's Address
15
To Set the RTU Open's Communications Protocol and Baud Rate
16
Wiring the RTU Open to the MS/TP Network
16
Wiring Specifications
17
To Wire the Controller to the Network
17
Wiring Inputs and Outputs
18
Input Wiring Specifications
19
Inputs
19
Binary Outputs
20
Analog Output
20
To Wire Inputs and Outputs
20
Compressor Safety
22
Fire Shutdown
22
Additional Functions
23
Wiring Sensors to Inputs
24
Field-Supplied Sensor Hardware
25
Wiring an SPT Sensor
26
Rnet Wiring Specifications
26
To Wire the SPT Sensor to the Controller
27
Wiring a Supply Air Temperature Sensor
27
Wiring Specifications
28
To Wire the SAT Sensor to the Controller
28
Wiring a Duct Air Temperature Sensor
28
To Wire a Duct Sensor to the Controller
29
Wiring an Outdoor Air Temperature Sensor
29
Wiring Specifications
29
To Wire an OAT Sensor to the Controller
29
Wiring a CO2 Sensor
30
Wiring Specifications
30
To Wire the CO2 Sensor to the Controller
30
Wiring an Outdoor Air Quality Sensor
31
Wiring Specifications
32
To Wire the OAQ Sensor to the Controller
32
Wiring a Relative Humidity Sensor
32
Wiring Specifications
33
To Wire the RH Sensor to the Controller
33
Wiring a Humidistat
33
To Wire a Humidistat to the Controller
34
Wiring an Enthalpy Switch
34
Wiring Specifications
34
To Wire an Enthalpy Switch (Outdoor Air) to the Controller
35
To Wire an Enthalpy Switch (Differential) to the Controller
36
RTU Open I
37
Wiring a Status Switch
37
Wiring Specifications
37
To Wire a Status Switch to the Controller
38
Wiring a Compressor Safety
38
Wiring Specifications
38
To Wire a Compressor Safety Input to the Controller
39
Wiring an Occupancy Switch or Door Contact
39
Wiring Specifications
39
To Wire an Occupancy Switch or Door Contact
40
Start-Up
41
Service Test
42
Configuring the RTU Open's Properties
43
Unit Configuration Properties
43
Setpoint Properties
45
Service Configuration Properties
46
Sequence of Operation
48
Occupancy
48
Supply Fan
49
Cooling
49
Economizer
50
Power Exhaust
50
Unoccupied Free Cooling
51
Optimal Start
51
Enthalpy Control
52
Indoor Air CO2
52
Heating
53
Heat Pump Operation
54
Dehumidification
54
Demand Limit
55
Door Switch
55
Remote Occupancy
55
Fire Shutdown
55
Compressor Safety
55
Fan Status
56
Filter Status
56
Alarms
56
Linkage
59
Linkage Air Source Modes
60
Troubleshooting
61
Serial Number
61
Led's
61
Replacing the RTU Open's Battery
62
Compliance
63
FCC Compliance
63
CE Compliance
63
Bacnet Compliance
63
Appendix A: RTU Open Points/Properties
64
Status
64
Unit Configuration
65
Setpoints
67
Alarm Configuration
71
Service Configuration
72
Maintenance
74
Alarms
76
Linkage
77
I/O Points
77
Appendix B: Single Point Linkage and Device Address Binding
79
Single Point Linkage
79
Device Address Binding
80
Index
81
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Carrier RTU OPEN 11-808-427-01 Specifications
General
Brand
Carrier
Model
RTU OPEN 11-808-427-01
Category
Controller
Language
English
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