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Typical layout with analog heating and cooling:

AI - Zone temp

AI - Zone setpoint adjust

BI - Zone override

BI - Freezestat

(optional)

BO - Outside air damper

AI - Discharge air temp

(optional)

BI - Smoke detector

(optional)

BO - Supply fan start/stop

BI - Supply fan status

(optional)

AO - Heating valve

AO - Cooling valve

CHWS CHWR

HWR HWS

Starter

CHW

N.C.

Typical layout with staged heating and cooling:

AI - Zone temp

AI - Zone setpoint adjust

BI - Zone override

OA DA

BO - Cooling stage 1

BO - Cooling stage 2

Elec

BO - Heating stage 1

BO - Heating stage 2

BO - Supply fan start/stop

BI - Supply fan status

(optional)

Starter

BI - Freezestat

(optional)

AI - Discharge air temp

(optional)

BI - Smoke detector

(optional)

BO - Outside air damper

N.C.

#1: 100% outside air unit

Control schematics

Table of Contents2
What Is the Room Controller5
- Driver and Control Program5
- Specifications6
- Inputs7
- Digital Outputs7
- Analog Outputs7
- Room Sensors8
- Bacviews8
- Display9
- Buttons9
- Creating a Custom Control Program10
Using this Document11
METHOD A: Installing a Room Controller in a Webctrl System12
To Mount the Room Controller12
Wiring for Power12
- To Wire for Power12
To Address the Room Controller13
Wiring for Communications with a Controller Network14
- Wiring Specifications14
- To Wire the Room Controller to the Controller Network14
Wiring an RS Room Sensor to the Room Controller15
- Rnet Wiring Specifications15
- To Wire an RS Room Sensor to the Room Controller16
Wiring Inputs and Outputs17
- Wiring Specifications17
- To Wire Inputs and Outputs17
To Set Display Options for a Networked RC642D Room Controller19
Downloading the Room Controller20
- To Download in Webctrl20
To Assign Inputs or Outputs to Points21
- Input Values21
- Output Values22
- Resolution Values22
- Offset/Polarity Values23
To Set up the Driver24
- Driver24
- Device25
- Notification Classes25
- Calendars26
- Common and Specific Alarms26
- Custom Translation Tables26
- Switch and Jumper Positions27
- Display Options27
To Communicate through the Local Access Port27
- To Set up a Local Access Connection in Webctrl28
Troubleshooting a Networked Room Controller29
- Formatting the Room Controller29
- Led's29
- Serial Number31
- Replacing the Battery in a Networked Room Controller31
- To Take the Room Controller out of Service31
METHOD B: Installing a Stand-Alone Room Controller32
To Mount the Room Controller32
Wiring for Power32
- To Wire for Power32
Wiring Inputs and Outputs33
- Wiring Specifications33
- To Wire Inputs and Outputs34
Selecting or Downloading a Control Program35
- To Select a Built-In Control Program35
- To Download a Custom Control Program39
To Set up a Stand-Alone RC642D Room Controller40
- To Set Display Options40
- To Set the Time and Date41
- To Change the Time or Date Format41
- To Set up Schedules41
Troubleshooting a Stand-Alone Room Controller42
- Led's42
- Serial Number43
- Replacing the Battery in a Stand-Alone Room Controller43
Compliance44
- FCC Compliance44
- CE Compliance44
- Bacnet Compliance44
Appendix A - Room Controller Diagram45
Appendix B - Built-In Control Programs in a Stand-Alone Room Controller46
1: 100% Outside Air Unit47
- Control Schematics47
- Point List48
- Sequence of Operation48
2: Air Source Heat Pump - Reverse to Heat51
- Control Schematic51
- Point List51
- Sequence of Operation52
3: Air Source Heat Pump - Reverse to Cool55
- Control Schematic55
- Point List55
- Sequence of Operation56
4: Air Source Heat Pump - Intermittent Fan - Reverse to Heat59
- Control Schematic59
- Point List59
- Sequence of Operation60
5: Air Source Heat Pump - Intermittent Fan - Reverse to Cool62
- Control Schematic62
- Point List62
- Sequence of Operation63
6: Convective/Fin Tube Heater65
- Control Schematic65
- Point List65
- Sequence of Operation65
7: Fan Coil Unit - 2-Speed Fan, Modulated or 2-Stage Cooling and Heating66
- Control Schematics66
- Point List67
- Sequence of Operation67
8: Fan Coil Unit - 3-Speed Fan, 2-Stage or Modulated Cooling, 1-Stage or Modulated Heating70
- Control Schematics70
- Point List71
- Sequence of Operation71
9: Fan Coil Unit - 3-Speed Fan, 1-Stage or Modulated Cooling, 2-Stage or Modulated Heating74
- Control Schematics74
- Point List75
- Sequence of Operation75
10: Fan Coil Unit - Intermittent Fan, Modulated or 2-Stage Cooling and Heating78
- Control Schematics78
- Point List79
- Sequence of Operation79
11: Fan Coil Unit - Heat Controlled Fan, Modulated or 2-Stage Cooling and Heating82
- Control Schematics82
- Point List83
- Sequence of Operation83
12: Unit Ventilator - 2-Speed Fan86
- Control Schematics86
- Point List87
- Sequence of Operation87
Appendix C - Editing Properties in a Built-In Control Program90
- To Use a Bacview6 Handheld90
- Editable Properties93

Brand	Automated Logic
Model	RC642
Category	Controller
Language	English

Automated Logic RC642 User Manual

Table of Contents

Questions and Answers:

Automated Logic RC642 Specifications

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