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PreviousHome Housewares Heaters RCS Technology RCTR65 RCS RS485 Communicating Thermostat with HVAC Control Unit
RCS Technology RCTR65 RCS RS485 Communicating Thermostat with HVAC Control Unit
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RCS Technology RCTR65 RCS RS485 Communicating Thermostat with HVAC Control Unit

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Item # HMCNT7911
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Regular Price: $324.99
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RCS Technology RCTR65 RCS RS485 Communicating Thermostat with HVAC Control Unit

Item Description

The RCS RS485 Communicating Thermostat with HVAC Control Unit is designed to control the majority of HVAC systems. It contains a robust thermostat interface and an HVAC control unit, both designed for use with home communicating systems (security, automation, etc.) where thermostat remote control and/or remote monitoring are desired.

The Wall Display Unit (WDU) has a large, backlit graphical display, control buttons, and a temperature sensor. The WDU can display multiple screens for different functions. In the default thermostat control screen, it displays the current room temperature, heating and cooling setpoints, system mode, manual fan mode, time, and status information.

Exclusive Messaging Display

The TR65 thermostat includes the option to receive and display text messages up to 80 characters in length via the RS485 network. The message screen features navigation buttons to read new and old messages and delete them.

New messages will turn on and flash the Alert LED and Mail Icon in the main thermostat screen. Viewing messages makes them “old” and turns off the indicators. If you view some, but not all new messages, the new message notification LED and icon will stay on.

HVAC Control Unit, ZCV Series

RCS Zone Control units helps your heating, ventilation and air conditioning (HVAC) system maintain different temperatures in different parts of the house. Although this is a totally standalone system that can be operated independently of any other home control system, it also offers the ability to be controlled via RS485 using the RCS Thermostat network protocol. The ZCV series do not use “standard thermostats” for each zone but instead uses an RCS Wall Display Unit. Works with RCS, RD or RDM series normally open dampers.

The optional remote control function requires at least one RCS remote sensor such as the RTS3 or RTS4 (sold separately).


Wall Display Unit
  • Model - TS65.
  • Size - 5 x 3 x 3/4 inches.
  • Display - Graphical LCD.
  • Backlight - Yes, Blue/white, Controllable, on, off, timeout.
  • Contrast - Adjustable on screen.
  • Buttons - 6.
  • Remote Sensors - 2 (not included).
  • Power - from HVAC Control Unit.
HVAC Control Unit
  • Model - ZCV1.
  • Size - 8 x 6 x 1.5 inches.
  • HVAC System Type Compatible - Standard (gas/electric) or Heat Pump.
  • Multistage System Compatible -
    • Standard HVAC Systems - 2 stage heating, 2 stage cooling
    • Heat Pump Systems - 3 stage heating (2 compressor, 1 aux heat), 2 stage cooling.
  • Heat Pump change over valve - Selectable change over with cool or with heat ( O or B).
  • Communications - RS485 Half Duplex 2 wire (plus ground).
  • Power - 24VAC from HVAC system, or an external transformer (not included).
HVAC System Compatibility
  • Central HVAC systems or separate heating/cooling systems with separate RH/RC transformers (split).
  • Standard gas/electric HVAC Systems - 2-stage heating, 2-stage cooling.
  • Heat Pump HVAC Systems - 3-stage heating, 2-stage cooling.
  • Fan system - Selectable for gas or electric heat systems.
  • Heat Pump Change Over valve (reversing valve) - Selectable for change over with heat or change over with cool (O or B output).
  • Emergency Heat - In Heat pump mode, Emergency Heat mode is selectable from the thermostat.
  • Compressor short cycle protection delay of 6 minutes (adjustable)
  • Automatic heating and cooling changeover.
Wiring Requirements
  • 18 AWG.
  • Uses standard thermostat connections (C, R, W1, W2, Y1, Y2, G).

Model: RCTR65

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