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                  RC-2000 Thermostat Installation Instructions 

 
 
DESCRIPTION 

 
The RC-2000 is a precision digital thermostat designed for 24 VAC heating and cooling systems.  The  
RC-2000 will support the following systems: 
 

¾

 

Single Stage Heat/Cool Conventional 

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Two Stage Conventional (2 Stage Heat / 2 Stage Cool)  

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Heat Pump (2 Stage Heat / 1 Stage Cool) 

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Two Speed Heat Pump (3 Stage Heat / 2 Stage Cool) 

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Dual Fuel Heat Pump 

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Humidifier and Dehumidifier Control  

 
The RC-2000 has the capability of being controlled both locally and by remote control.  It offers 
programmability, stand-alone operation, and robust, optically isolated communications with automation 
systems, utility control systems, and personal computers.   
 
Electrical rating:  24 V; 2 A; 50/60 Hz 
Maximum current:  2 A on any circuit, 3 A total 
 
 
The following requirements must be observed for installation in Europe: 

CE 

 

1.

 

This equipment must be installed in accordance with National wiring rules for the country in which it is 
installed. 

2.

 

All product labels, instructions and markings relating to safety must be translated to a language, which is 
acceptable in the country in which this equipment is to be installed. 

 
 

INSTALLATION 

 
Before installing this thermostat: 
 

1.

 

Read all of the Installation Instructions carefully. 

2.

 

Read the Owner's Manual carefully. 

3.

 

Ensure that this product is suitable for your application. 

4.

 

Ensure that wiring complies with all codes and ordinances. 

5.

 

Disconnect power to the control transformer to prevent electrical shock and damage to equipment. 

6.

 

Select an appropriate location to ensure an accurate temperature reading. 

 
 
 
 

Document Number 65I00-2 / Rev A / April, 2008 

Copyright 

¤

 2008 Home Automation, Inc. 

All Rights Reserved

 

Summary of Contents for RC-2000

Page 1: ...t 2 A on any circuit 3 A total The following requirements must be observed for installation in Europe CE 1 This equipment must be installed in accordance with National wiring rules for the country in...

Page 2: ...Removing an existing thermostat 1 Disconnect the power to the control transformer 2 Remove the cover to the existing thermostat 3 Disconnect the wires going to each terminal on the thermostat Label ea...

Page 3: ...iagram for the application See Figures 11 13 Upon completion of wiring the thermostat push all excess wiring into the hole in the wall Plug the hole with the supplied insulating foam to ensure an accu...

Page 4: ...d cooling the metal jumper between Terminal 1 RC and Terminal 2 RH on the left terminal strip must remain in place See Figure 4 2 From the factory the RC 2000 is configured to control a single stage c...

Page 5: ...rmostat or HVAC system does not perform as stated in the Power Up steps under the wiring diagram for the respective HVAC system recheck all wiring See Troubleshooting Tips 7 For HVAC systems with sepa...

Page 6: ...e that there are no stray wires or wire strands at the connections 2 Connect power to the transformer and system The display will show the current thermostat settings 3 Press FAN and select On The fan...

Page 7: ...t W from the individual zones when the W2 terminal is energized and calls for cool Y when the Y1 terminal is energized Neither W2 nor Y2 is energized when the mode is set to OFF Therefore the RC 2000...

Page 8: ...ure that there are no stray wires or wire strands at the connections 2 Connect power to the transformer and system The display will show the current thermostat settings 3 Press FAN and select On The f...

Page 9: ...ture is very low in which case it is used as the primary heat source 1 When used with dual fuel heat pumps the RC 2000 requires a method for obtaining the outdoor temperature A temperature sensor can...

Page 10: ...t power to the transformer and system The display will show all of the thermostat settings 3 Press FAN and select On The fan should come on 4 Press FAN and select Auto The fan should go off 5 Press HO...

Page 11: ...t thermostat settings 3 Press FAN and select On The fan should come on 4 Press FAN and select Auto The fan should go off 5 Set the Mode to Heat Raise the desired heat setting 1 degree above the curren...

Page 12: ...or 4 conductor wire from the HAI system to the thermostat location All thermostats on an HAI Home Control system are connected to Ground Zone 16 and Output 8 See Figure 11 THERMOSTAT Leave Jumper Conn...

Page 13: ...terminal strip See Figure 12 5 15 VDC ANY SYSTEM WITH A RELAY OR 5 15 VDC OUTPUT THERMOSTAT Leave Jumper Connected Black Green UP Figure 12 Connections to a Remote Setback Switch Notes 1 When connecti...

Page 14: ...feet twisted pair with foam polyethylene insulated conductors shielded must be used Wire runs must not exceed 250 feet Make the connections to the Green and Black terminals under the section marked R...

Page 15: ...gs 6 Read the warning and then press Continue to proceed 7 To exit Setup mode press Back several times until the Home Page is displayed Notes 1 The thermostat will automatically default to the Home Pa...

Page 16: ...GY STAR program When used with a remote system HAI recommends that the Program Mode be configured as None or Occupancy This will disable the internal program schedules The program options setting sets...

Page 17: ...rift farther from the setpoint decreasing comfort When combined with Heat Minimum Off cycles per hours can be obtained by using the following calculation 60 Heat Minimum On Heat Minimum off The defaul...

Page 18: ...w far from the setpoint the temperature has to be before the auxiliary heat turns on This is only available for heat pump systems Conventional 1 Cool 1 Heat Zone Control 1 Cool 1 Heat Heat Pump 1 Cool...

Page 19: ...ration Read the warning and then press Yes to proceed or Cancel to return to Installation Settings LIMITED WARRANTY HAI warrants this product against defects in material and workmanship under normal u...

Page 20: ...thermostat and the remote system are set to the proper configurations for communication SYMPTOM ACTION TO TAKE 1 Allow 30 minutes for thermostat to adjust 2 Adjust calibration offset Temperature Readi...

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