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RCS TZ16 Installation And Operation Manual

Z-wave communicating thermostat with rev p hvac control unit
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RCS
Residential Control Systems Inc.
Z-Wave Communicating Thermostat
INSTALLATION AND OPERATION MANUAL
Product
TZ16 Thermostat
TS16 Wall Display Unit
HFRP HVAC Control Unit
ZWBT-485 Z-Wave Thermostat Adapter
DO NOT USE THIS PRODUCT FOR BUILDING FREEZE PROTECTION! YOU ARE ADVISED TO
INSTALL A MECHANICAL FREEZE PROTECTION DEVICE FOR THIS PURPOSE.
Model TZ16
with Rev P HVAC Control Unit
DCN: 141-00882
Rev 02
5/18/06
This manual applies to the following product revisions or later
*** IMPORTANT NOTICE ***
Part No
001-00882-07
001-00910-12
001-01430-03
001-01030-06

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  • Page 1 Residential Control Systems Inc. Model TZ16 Z-Wave Communicating Thermostat with Rev P HVAC Control Unit INSTALLATION AND OPERATION MANUAL DCN: 141-00882 Rev 02 5/18/06 This manual applies to the following product revisions or later Product Part No TZ16 Thermostat 001-00882-07...
  • Page 2 It supports 3 stages of heating and 2 stages of cooling for Heat Pump systems. The TZ16 has a convenient setup mode from the Wall Display Unit. You can set the network address, F or C display mode and easily calibrate the internal and all attached remote sensors.

  • Page 3: Lcd Display

    TS16 Wall Display Unit The TS16 Wall Display Unit has a LCD display and control buttons for changing the setpoint, system operating mode and manual fan mode. The WDU also has an internal temperature sensor. The display serves as a common display for many functions. It normally shows the current room temperature but switches to show setpoint, mode or other functions when buttons are pushed.

  • Page 4: Control Buttons

    Control Buttons Setpoint UP and DOWN Buttons The UP and DOWN buttons control the heating or cooling setpoint temperature. TO VIEW THE CURRENT SETPOINT: Push either the UP or DOWN buttons once will cause the LCD display to change to show the current setpoint temperature (but won’t change it). TO CHANGE THE SETPOINT: With the setpoint displayed as above, push the UP button to increase the setpoint temperature by one degree or push the DOWN button to decrease the setpoint by one degree.

  • Page 5: Setup Mode

    Setup Mode The TZ16 has a setup mode to allow the user to set the following functions from the WDU: Network Address (NOTE: Must be set to “1” for use with the Z-Wave thermostat adapter.) F/C mode Sensor Calibration Entering into the setup mode.

  • Page 6: Remote Sensors

    The calibration menu selections are: C1 = calibrate internal sensor or remote sensor address 1 if attached C2 = calibrate remote sensor address 2 (only shows up in menu if attached) Remote Sensors The TS16 Wall Display Unit has a remote sensor terminal block, J2, on the base for connection of a remote temperature sensor.

  • Page 7: Hvac System Compatibility

    The TZ16 Control Unit connects to the HVAC system the same as, and in place of, a standard thermostat. It is usually mounted near the HVAC system, although it can be mounted anywhere convenient. It is connected to the WDU by a 4 wire cable, either standard thermostat wiring or typically Cat 3/5 in new construction.
  • Page 8 G, W1, W2 HEAT PUMP HVAC SYSTEM OPERATION The TZ16 has Heat Pump operating modes of Heating, Cooling, Auto changeover and Emergency Heat. The Heat Pump HVAC system operation is the same as for Standard systems for normal first and second stage operations.

  • Page 9: Status Leds

    CO relay will already be on and this avoids continuous on/off cycling the CO valve for each call. After the MOT period expires and another call is not active, the CO output will go OFF. TZ16 Control Unit HVAC System Outputs for Heat Pump Systems Operating Mode...
  • Page 10 Wall Display Address. Connecting the TZ16 to a Z-Wave Network Once the TZ16 control unit is connected and powered up you can add the thermostat to the Z-Wave network via the handheld Z-Wave remote control (not supplied).

  • Page 11: Installation Overview

    TZ16 Installation STOP Before proceeding with removing an existing thermostat and installing the TZ16, Read the following important steps. 1. Record existing wiring information on the enclosed wiring form. 2. Perform the TZ16 bench test 3. Check WDU wiring BEFORE applying power to control unit.
  • Page 12 TZ16 Wall Display Unit Installation WDU Location Choose a location that best represents the temperature of the area to be controlled. Avoid locations that are subject to drafts, from doors and windows, or areas with direct sunlight exposure. WDU Mounting Route the wires to the WDU through the access hole in the back of the case. Mount the WDU to the wall with the screws and anchors provided.

  • Page 13: Location And Mounting

    HVAC system but care should be taken to avoid the hot burner section or high vibration areas. Control unit wiring The TZ16 HVAC Control Unit is connected to the HVAC system and to the Wall Display Unit as well as the serial communications and power connections. Control Unit to WDU wiring Connect the WDU to the Control Unit with existing thermostat wiring in retrofit installations.
  • Page 14 * Note! Must have both Standard HVAC System Setup Notes: the C and R 24VAC connections to the TZ16 Single Stage Systems use W1 for heating stage 1, and Y1 for cooling stage 1. HVAC Control Unit. Two Stage Heating systems use W1 for stage 1 and W2 for stage 2 heating.
  • Page 15 Typical thermostat wiring color codes * Note! Must have both the C and R 24VAC connections to the TZ16 HVAC Control Unit. Heat Pump HVAC System Setup Notes: Single Stage Compressor Systems use Y1 for stage 1 heating/cooling, and W1 for stage 2 heating (heat strips).
  • Page 16 2. Connect the ZWB to the TZ16 HVAC control unit with 22-24Ga wiring. (Category 3-5 wiring acceptable). Wiring can be up to 1000ft. 3. Connect the D+, D- and Gnd terminals on the ZWB module to the RS485 connection on the TZ16 control unit.

  • Page 17: System Checkout

    System Checkout It is strongly recommended that you hook-up and run a simple bench test before installing the TZ16. Not only will this save you time in system checkout but will also familiarize you with the thermostat’s operation. THERMOSTAT BENCH TEST 1.

  • Page 18: Hvac System Testing

    (O) outputs. You must know what your system CO type is (CO with Cool (typical) or CO with Heat). You should have configured the TZ16 control unit for correct CO type, refer to this setting. Heat Pump systems have an additional O terminal.
  • Page 19 TZ16 Wiring Diagram Rev P Control Unit TZ16 CONTROL UNIT Fuse Mini ATO 2 Amp TS16 S2 2 WALL DISPLAY UNIT OFF ON RH=RC Cut Jumper to split HVAC SYSTEM +12VDC +V Blue 24V COM STATUS THERMOSTAT CONNECTOR CLOCK 24V RH...

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