THZ-100 Thermostat Owner's Manual
THZ-100 Owner’s Manual ©2012 Universal Remote Control, Inc. The information in this manual is copyright protected. No part of this manual may be copied or reproduced in any form without prior written consent from Universal Remote Control, Inc. UNIVERSAL REMOTE CONTROL, INC. SHALL NOT BE LIABLE FOR OPERATIONAL, TECHNICAL OR EDITORIAL ERRORS/OMISSIONS MADE IN THIS MANUAL. The information in this manual may be subject to change without prior notice.
TABLE OF CONTENTS Welcome To Your THZ-100 Thermostat 5 Installing Your THZ-100 Thermostat 6 Wiring Your THZ-100 Thermostat 7 Definitions 7 Single Stage Furnace and Single Stage A/C 7 Dual Stage Furnace and Dual Stage A/C 8 Single Stage Heat Pump with Reversing Valve O 8 Single Stage Heat Pump with Reversing Valve B 9 Dual Stage Heat Pump with Reversing Valve O 9 Dual Stage Heat Pump with Reversing Valve B 10 Boiler and A/C with Separate Transformers 10 First Stage Radiant Floor Heat,
TABLE OF CONTENTS Selecting Hold 19 Selecting Hold for Time 20 Returning to Schedule Mode 21 Options 22 Climate Modes 22 Changing the Fan Modes 26 Accessing Temperature Sensor Information 28 Turning Emergency Heat On or Off 29 Changing the Auxiliary Heat Offset Temperature 30 Changing the 2nd Stage Offset Temperature 30 Resetting the Filter Reminder 33 Turning the Password Protect Feature On or Off 34 Changing the LCD Screen Options 35 Viewing THZ-100 Thermostat Information 38
THZ-100 THERMOSTAT Welcome To Your THZ-100 Thermostat Congratulations on your purchase of this THZ-100 Thermostat from URC. Enjoy the full functionality of a stand-alone thermostat coupled with the ability, when used with a Total Control system, to be controlled from any user interface in the system.
THZ-100 THERMOSTAT Installing Your THZ-100 Thermostat Adding an optional wired sensor can be a benefit if the thermostat location is not the optimal location for temperature measurement, or if temperature averaging is desired.
THZ-100 THERMOSTAT Wiring Your THZ-100 Thermostat Definitions • • • • • • • • • • • • RH – Heating System 24VAC RC – Cooling System 24VAC C – 24VAC Transformer Common G – Indoor Unit Fan Connection W1 – 1st Stage Heat W2 – 2nd Stage Heat Y1 – 1st Stage Cooling Y2 – 2nd Stage Cooling B – Normally Closed Reversing Valve O – Normally Open Reversing Valve S+ - Wired Sensor S- - Wired Sensor Single Stage Furnace and Single Stage A/C Page 7
THZ-100 THERMOSTAT Dual Stage Furnace and Dual Stage A/C Single Stage Heat Pump with Reversing Valve O Page 8
THZ-100 THERMOSTAT Single Stage Heat Pump with Reversing Valve B Dual Stage Heat Pump with Reversing Valve O Page 9
THZ-100 THERMOSTAT Dual Stage Heat Pump with Reversing Valve B Boiler and A/C with Separate Transformers Page 10
THZ-100 THERMOSTAT First Stage Radiant Floor Heat, Second Stage Furnace with Single Stage Cooling and External Pilot Duty Relay Page 11
THZ-100 THERMOSTAT Operation For Your THZ-100 Thermostat Your THZ-100 thermostat has been programmed by the MRX Advanced Network System Controller system with your custom HVAC schedule of heat and cool set points for the selected time periods for each day of the week.
THZ-100 THERMOSTAT At the bottom of the screen is a smart-key label to identify the current function of the push button located directly below. Changing the Mode (Cool, Heat, Auto, Off) To change the mode of your HVAC system equipment between Cooling, Heating, Auto (system will automatically change between cooling and heating) or OFF enter the Options menu then access the Climate Modes sub menu as described below.
THZ-100 THERMOSTAT When the override set point is met, the information containing the desired override temperature transitions to information including the desired temperature and the heat and cool set points based on the override temperature.
THZ-100 THERMOSTAT Changing the Cooling Temperature (Temperature Override) To change the current cooling temperature, press the Up or Down arrow key on the thermostat. The screen now shows the current temperature on the left side and the desired temperature on the right side of the display. Press the Up and Down arrow keys to set your new desired cooling temperature to override the program value.
THZ-100 THERMOSTAT Emergency Heat Emergency heat is conventional gas, or electric heat, capacity included with most heat pump systems. Emergency heat is selected by the user from the Options menu as described below when additional heat capacity is desired. Emergency heat reduces the energy efficiency of the heat pump system.When in emergency heat, the display indicates this state in the upper right of the display.
THZ-100 THERMOSTAT Password Protection If your THZ-100 thermostat was initially setup through the MRX Advanced Network System Controller with the Use Pass Code Lockout feature enabled on the Advanced Thermostat Settings then an Enter Password Below displays any time a key is pressed after a period of inactivity. Otherwise, this item does not display. This screen displays the number 9 four times across the center of the screen followed by the word Done.
THZ-100 THERMOSTAT Programs On the main thermostat display, there are three smart-key labels at the bottom of the screen identifying the operation of the three keys below the display. The left button is Options, the center key is Programs, and the right key is Hold. To change between the programmed schedules press the Programs key. The screen updates to show a list of program options as described below.
THZ-100 THERMOSTAT Selecting Hold If you desire to hold a particular desired temperature indefinitely, use the arrow keys to move the highlight bar to Hold. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this new mode. If you decide to cancel the operation then press the key below the Go Back key label in the smart-key label at the bottom left of the display.
THZ-100 THERMOSTAT Selecting Hold for Time If you desire to hold a particular desired temperature for a specific period of time, use the arrow keys to move the highlight bar to Hold for Time. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this new mode. If you decide to cancel the operation then press the key below the Go Back key label in the smart-key label at the bottom left of the display.
THZ-100 THERMOSTAT Returning to Schedule Mode To return the thermostat to the normal program schedule, use the arrow keys to move the highlight bar to Schedule Mode. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this new mode. If you decide to cancel the operation then press the key below the Go Back key label in the smart-key label at the bottom left of the display.
THZ-100 THERMOSTAT Options On the main thermostat display, there are three smart-key labels at the bottom of the screen identifying the operation of the three keys below the display. The left button is Options, the center key is Programs, and the right key is Hold. To change between various thermostat options, press the Options key. The screen updates to show the list of available options as described below.
THZ-100 THERMOSTAT Selecting the Cooling Mode If you desire to change the HVAC system equipment mode to cooling mode then use the arrow keys to move the highlight bar to Cool. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this new mode. If you decide to cancel the operation then press the key below the Cancel key label in the smart-key label at the bottom left of the display.
THZ-100 THERMOSTAT Selecting the Heating Mode If you desire to change the HVAC system equipment mode to heating mode then use the arrow keys to move the highlight bar to Heat. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this new mode. If you decide to cancel the operation then press the key below the Cancel key label in the smart-key label at the bottom left of the display.
THZ-100 THERMOSTAT Selecting the Auto Changeover Mode If you desire for your HVAC system equipment to automatically switch between the cooling and heating modes as needed to maintain the desired comfort level in your home, use the arrow keys to move the highlight bar to Auto. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this new mode.
THZ-100 THERMOSTAT Turning the Thermostat Off If you desire to turn the HVAC system equipment off then use the arrow keys to move the highlight bar to Climate Control Off. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this new mode. If you decide to cancel the operation then press the key below the Cancel key label in the smart-key label at the bottom left of the display.
THZ-100 THERMOSTAT If the Fan Modes screen times out and goes back to the main screen without pressing the OK button, no change is made to the fan mode. In On mode the fan operates continuously regardless of the equipment operation. Selecting the Fan to Cycle Periodically If you desire the system fan to cycle on and off periodically then use the arrow keys to move the highlight bar to Cycle.
THZ-100 THERMOSTAT Accessing Temperature Sensor Information If you desire to view the status of all temperature sensors used in your system then use the arrow keys to move the highlight bar to Sensors. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this new information screen. If you decide to cancel the operation then press the key below the Go Back key label in the smart-key label at the bottom left of the display.
THZ-100 THERMOSTAT Turning Emergency Heat On or Off Emergency is staged electric or gas heating included with most heat pump systems. Emergency Heat is activated by a malfunction in the heat pump system or when the user manually selects the option. If you do not have a heat pump system then the Emergency Heat feature is not displayed in the options menu list. If you desire to turn the emergency heat either on or off then use the arrow keys to move the highlight bar to Emergency Heat.
THZ-100 THERMOSTAT Changing the Auxiliary Heat Offset Temperature In heat pump systems, the Auxiliary Heat Offset temperature is the temperature difference at which the auxiliary heat is activated. For single stage systems, it is the difference from the set point; for two stage systems, it is the difference from the second stage offset. If you desire to change the Auxiliary Heat Offset temperature then use the arrow keys to move the highlight bar to Aux Heat Offset.
THZ-100 THERMOSTAT How To Set The Heating 2nd Stage Offset If you desire to change the heating 2nd stage Offset temperature then use the arrow keys to move the highlight bar to Heating (2nd Stage Offset). If you do not have a multi-stage heating system then the Heating (2nd Stage Offset) feature is not displayed in the menu list. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this option.
THZ-100 THERMOSTAT How To Set The Cooling 2nd Stage Offset If you desire to change the cooling 2nd stage Offset temperature then use the arrow keys to move the highlight bar to Cooling (2nd Stage Offset). If you do not have a multi-stage cooling system then the Cooling (2nd Stage Offset) feature is not displayed in the menu list. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this option.
THZ-100 THERMOSTAT Resetting the Filter Reminder If a filter reminder time was setup through the MRX Advanced Network System Controller when your thermostat was initially setup, then you will periodically get a Check: Filter message on the main screen of the thermostat. To clear the Check: Filter message from the thermostat screen after the filter has been replaced; use the arrow keys to move the highlight bar to Filter Reminder.
THZ-100 THERMOSTAT Turning the Password Protect Feature On or Off If your THZ-100 thermostat was initially setup through the MRX Advanced Network System Controller with the Use Pass-Code Lockout feature enabled on the Advanced Thermostat Settings then Password shows as an item in the Options screen. The current state of the password protection, whether on or off, is displayed on the right side of the display. Otherwise, this item does not display. Entering your password toggles this feature on and off.
THZ-100 THERMOSTAT Changing the LCD Screen Options If you desire to change any of the LCD screen settings such as brightness, timeout or auto dimming then use the arrow keys to move the highlight bar to LCD Screen. Press the key below the OK key label in the smart-key label at the bottom right of the display to select these options. If you decide to cancel the operation then press the key below the Go Back key label in the smart-key label at the bottom left of the display.
THZ-100 THERMOSTAT Adjusting the LCD Brightness If you desire to change the brightness of your thermostat LCD display then use the arrow keys to move the highlight bar to LCD Brightness. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this option. If you decide to cancel the operation then press the key below the Cancel key label in the smart-key label at the bottom left of the display.
THZ-100 THERMOSTAT Adjusting the LCD Time Out Time The time out time for your thermostat LCD display is the time from the last activity using the buttons to the time the LCD screen turns off. If you desire to change the time out time of your thermostat LCD display then use the arrow keys to move the highlight bar to LCD Timeout. Press the key below the OK key label in the smart-key label at the bottom right of the display to select this option.
THZ-100 THERMOSTAT Selecting Auto Dimming If auto dimming is turned on, then the bottom item in the list on this screen shows, Auto Dimming ON. If auto dimming is turned off then the bottom item in the list on this screen shows, Auto Dimming OFF. If you desire to change the auto dimming state of your thermostat LCD display then use the arrow keys to move the highlight bar to Turn Auto Dimming to toggle this option.
THZ-100 THERMOSTAT Press the key below the OK key label in the smart-key label at the bottom right of the display to change your settings. If you decide to cancel the operation then press the key below the Go Back key label in the smart-key label at the bottom left of the display. The new screen display shows the value that you have selected to change. Use the Up and Down arrow keys to the right of the display to select your new value.
THZ-100 THERMOSTAT Troubleshooting Thermostat On-Screen Notifications There are notifications on screen for checking the filter, wireless, and network. If you receive a Check Filter notification then replace the furnace filter and reset the filter notification as outlined above. If you receive a Check Wireless notification then check the signal strength of the THZ-100. If the strength is not excellent then contact your dealer for more assistance.
THZ-100 THERMOSTAT Important Safety Instructions Page 41
THZ-100 THERMOSTAT Important Safety Instructions Page 42
THZ-100 THERMOSTAT Page 43
USA WARRANTY USA Limited Warranty Statement Your Universal Remote Control, when delivered to you in new condition, is warranted against defects in materials or workmanship as follows: UNIVERSAL REMOTE CONTROL, INC. warrants this product against defects in material or workmanship for a period of one (1) year and as set forth below. Universal Remote Control will, at its sole option, repair the product using new or comparable rebuilt parts, or exchange the product for a comparable new or rebuilt product.
USA WARRANTY LIMITATION OF REMEDIES UNIVERSAL REMOTE CONTROL SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY OR CONDITION ON THIS PRODUCT.
THZ-100 THERMOSTAT Specifications Page 46
NOTE Page 47
NOTE Page 48
OCE-0100A Rev 01
