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Home Automation RC-2000 manual

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Table of contents for the manual

  • Page 1

    1 1 RC-2000 Th ermostat Installation Ins tructions DESCRIPTION The RC-2000 is a precision digital thermostat designed for 24 VAC he ating and cooling systems. The RC-2000 will support the following systems: ¾ Single Stage Heat/Cool Conventional ¾ Two Stage Conventional (2 Stage Heat / 2 Stage Cool) ¾ Heat Pump (2 Stage Heat / 1 S tage Cool) ¾ T[...]

  • Page 2

    2 2 Location When replacing an ex isting thermostat, install the RC-2000 in the same location. If the existing location doesn' t meet the following criteria, choose a n ew location to mount the RC-2000. When choosing a location for the thermostat: 1. Ensure that the thermostat is mounted 5 feet above the floor and is at least 2 feet from an ou[...]

  • Page 3

    3 3 Connect each wire to the terminal st rip(s) on the thermostat base per the wiring diagram for your system application - See Figures 4 - 10. Form the thermostat wiring so that the ca ble lies flat between the terminal strip(s) and the center of the base - See Figure 2 . If a remote s y stem or temperature sensor is bein g used with the thermosta[...]

  • Page 4

    4 4 TYPICAL WIRING DIAGRAMS CA UTION : Do not short gas valve, fan, heat relay, or cool rela y ...even momentaril y. Do not attempt to hook up to live circuits. An accidental connection to a component on the thermostat circuit board could cause damage to the thermostat. 1 3 (C) (RC) 24VAC "HO T" 24VAC Common 24VAC CONTRO L TRANSMFOMER THE[...]

  • Page 5

    5 5 3. When configured as a co nventional thermostat, by default this the rmostat does not turn the fan on with a call for heat. If the furnace requi res the thermostat to turn the fan on with a call for heat, confi gure the “System Mode” to “Fan On W ith Heat” under “System Options” . 4. A conventional thermostat can be configured for [...]

  • Page 6

    6 6 Single Stage Conventional 24VAC "HOT" Heat 24VAC Com mon* Fan Cool Humidifier Dehumidier UP 24VAC CONTROL TRANSMFOMER Dehumidifie r Humidifier Fan Relay Cool Rela y Heat Rela y HVAC SYSTEM THERMOSTAT (RC) (C) (Y1) (G) (W1) (D) (H) 1 3 8 6 7 11 12 * Common wire is required in “heat only” or “cool only” applications . Also use a[...]

  • Page 7

    7 7 Single Stage Conventional for Zon e Control Systems (W2) 4 (Y2) (D) (H) (G) (Y1) (W1) (C) (RC) 10 1 3 8 6 7 11 12 ZONE CONTROLLER THERMOSTAT Dehum idifier Humidi fier System Cool Mode Fan Relay Zone Cool Zone Heat Syst em Heat Mode 24VAC CONT ROL TRANSMFOME R Fan Cool Cool Mode Humidi fier Dehum idier 24VAC "HOT" 24VAC Common Heat Mod[...]

  • Page 8

    8 8 Two Stage Conventional (2 Stage Heat / 2 Stage Cool) UP Heat 1 Heat 2 24VAC Common* 24VAC "HOT" Dehumi dier Humidifier Cool 2 Cool 1 Fan 24VAC CONTROL TRANSMFOMER Heat 2 Relay Heat 1 Relay Cool 1 Relay Fan Relay Cool 2 Relay Humidifier Dehumi difier THERMOSTAT HVAC SYSTEM 12 11 7 6 8 3 1 10 (RC) (C) (W1) (Y1) (G) (H) (D) (Y2) 4 (W2) F[...]

  • Page 9

    9 9 About Heat Pump System s 1) Terminal 5 (O) is energized for coolin g Terminal 6 (B) is energized for heating In most applications, the reversing valve is energiz ed for cooling and should be connected to the "O" terminal. If the heat pump requires the reve rsing valve to be energized fo r heating, connect the rev ersing valve to the &[...]

  • Page 10

    1 1 0 0 Heat Pum p (2 Stage Heat / 1 Stage Cool) 24VAC Common* 24VAC "HOT" Auxilirary Heat Compressor Ground Fault Humidifier Fan Dehumidier Compre ssor Re lay Aux Heat Relay Fan Relay Humidi fier Fault Relay Dehumidifier Rev ersin g V alve Energized in Cool Energized in Heat 24VAC CONTROL TRAN SMFOM ER THERMOSTAT UP HVAC SYSTEM 12 11 7 6[...]

  • Page 11

    1 1 1 1 Two Speed Heat Pump (3 Stage Heat / 2 Stage Cool) Comp Stage 2 Relay Comp Stag e 1 Rela y Comp ressor Stag e 2 9 5 4 1 3 8 6 7 11 12 (D) (H) (L) (G) (Y1) (B) (O) (W2) (C) (RC) UP HVAC S YSTEM THERMOSTAT 24VAC CONTRO L TRAN SMFOME R Dehu midier Humi difier Grou nd F ault Fan Compress or Stage 1 Energiz ed in Heat Energized in Cool Auxilir ar[...]

  • Page 12

    1 1 2 2 REMOTE SYSTEM WIRING DIAGRAMS This thermostat has been prepro grammed with energy saving program schedules in accord ance with the ENERGY STAR ® program. W hen used with a remote system, HAI recommends that the Program Mode be configured as “None” or “Occup ancy”. This will disable the internal program schedules. HAI HOME CONTROL S[...]

  • Page 13

    1 1 3 3 REMOTE SETBACK SWITCH The thermostat can be connected to a remote switch to toggle the desired heat and cool temperature se ttings between preset setpoints. A signal ca n be sent from the re mote switch location to ch ange the thermostat temperature setting s from the Occupancy Day temperature se ttings to the Occupancy Night temperature se[...]

  • Page 14

    1 1 4 4 REMOTE TEMPERATURE SENSOR A remote temperature se nsor can be installed to monitor the temperature from a re mote location or can be combined with the onboard temperature sensor for the average temperature of two locations. Run a twisted pair, shielded cable from the RC-20 00 to the remote temperature sensor location. For distances up to 10[...]

  • Page 15

    1 1 5 5 SETUP AND CONFI GURATION NOTE: For proper operation of the features of this thermostat, the Ti me and Date must be set. Even w hen connected to an HAI controller which sets the time and day, the Date must be manually set in the ther mostat under the “S ettings” menu. INSTALLATION SETTINGS This section describes the items that the instal[...]

  • Page 16

    1 1 6 6 System Options Note: Before op erating the the rmostat, the “S y stem Type” and “S ystem Mode” must be configured. The thermostat can be configured with the followi ng system options: System Type *Conventional Dual Fuel Heat Pump 1 Zone Control Heat Pump *Auto Changeover No Fan With Heat Auto Changeover Fan On With Heat Auto Changeo[...]

  • Page 17

    1 1 7 7 Cool/Heat Min On/O ff These items are used to limit the on and off times of the cooling a nd heating system (in minutes). Cool Minimum On The number of minutes the thermostat forces the cooling system to remain on before turning off. Raising this number will inc rease the total time the cooling system is on (saving energy), but may a llow t[...]

  • Page 18

    1 1 8 8 This thermostat is equipped with Energy Efficient Control (EEC) tha t continually monitors the performance of the HVAC system and uses Stage 2 (he at or cool) and Stage 3 (auxiliar y heat) onl y when necessary. If it determines that Sta ge 1 is able to heat or cool at a rate of 5 degrees per hour or better, Stage 2 will not be used. If Stag[...]

  • Page 19

    1 1 9 9 Humidity Opt ions The Humidity Options are used to configure the d ehumidifier and/or humidifier output on the thermostat. Not Used: Dehumidifier/Humidifier output is disabled. Fan Speed Control: This option uses the dehumidifier output to control the fan speed on an HVAC system with a variable speed fan. W hen energized, the fan speed is r[...]

  • Page 20

    2 2 0 0 TROUBLESHOOTIN G TIPS SYMP TOM ACTION TO TAKE 1. Check power to the thermostat Thermostat Dead 2. Check wiring diagrams SYMP TOM ACTION TO TAKE 1. Check for break in W or Y wire 2. Allow minimum off time to pass 3. Check sy stem options for correct setting s 4. If arrow is blinking, wait until startup delay expires 5. Mode is Off (Select He[...]