URC THZ-100 - Manuals

Page 8 THZ-100 T HERMOSTAT Dual Stage Furnace and Dual Stage A/C Single Stage Heat Pump with Reversing Valve O

Page 9 THZ-100 T HERMOSTAT Single Stage Heat Pump with Reversing Valve B Dual Stage Heat Pump with Reversing Valve O

Page 10 THZ-100 T HERMOSTAT Dual Stage Heat Pump with Reversing Valve B Boiler and A/C with Separate Transformers

THZ-100 T HERMOSTAT Operation For Your THZ-100 Thermostat Your THZ-100 thermostat has been programmed by the MRXAdvanced Network System Controller system with your customHVAC schedule of heat and cool set points for the selected timeperiods for each day of the week. In addition, the thermostat hasbe...

Page 13 THZ-100 T HERMOSTAT At the bottom of the screen is a smart-key label to identify thecurrent function of the push button located directly below. Changing the Mode (Cool, Heat, Auto, Off) To change the mode of your HVAC system equipment betweenCooling, Heating, Auto (system will automatically ...

Page 15 THZ-100 T HERMOSTAT Changing the Cooling Temperature (Temperature Override) To change the current cooling temperature, press the Up or Downarrow key on the thermostat. The screen now shows the currenttemperature on the left side and the desired temperature on the rightside of the display. Pr...

Page 16 THZ-100 T HERMOSTAT Emergency Heat Emergency heat is conventional gas, or electric heat, capacityincluded with most heat pump systems. Emergency heat isselected by the user from the Options menu as described below when additional heat capacity is desired. Emergency heat reducesthe energy eff...

Page 17 THZ-100 T HERMOSTAT Password Protection If your THZ-100 thermostat was initially setup through the MRXAdvanced 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 ...

Page 18 THZ-100 T HERMOSTAT Programs On the main thermostat display, there are three smart-key labels atthe bottom of the screen identifying the operation of the three keysbelow the display. The left button is Options , the center key is Programs , and the right key is Hold . To change between the p...

Page 19 THZ-100 T HERMOSTAT 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 decidet...

Page 20 THZ-100 T HERMOSTAT Selecting Hold for Time If you desire to hold a particular desired temperature for a specificperiod 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 s...

Page 21 THZ-100 T HERMOSTAT Returning to Schedule Mode To return the thermostat to the normal program schedule, use thearrow 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 yo...

Page 22 THZ-100 T HERMOSTAT Options On the main thermostat display, there are three smart-key labels atthe bottom of the screen identifying the operation of the three keysbelow the display. The left button is Options , the center key is Programs , and the right key is Hold . To change between variou...

Page 26 THZ-100 T HERMOSTAT Turning the Thermostat OffIf you desire to turn the HVAC system equipment off then use thearrow 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. ...

Page 28 THZ-100 T HERMOSTAT Accessing Temperature Sensor Information If you desire to view the status of all temperature sensors used inyour 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 di...

Page 29 THZ-100 T HERMOSTAT Turning Emergency Heat On or Off Emergency is staged electric or gas heating included with most heatpump systems. Emergency Heat is activated by a malfunction in theheat pump system or when the user manually selects the option. Ifyou do not have a heat pump system then th...

Page 30 THZ-100 T HERMOSTAT Changing the Auxiliary Heat Offset Temperature In heat pump systems, the Auxiliary Heat Offset temperature is thetemperature difference at which the auxiliary heat is activated. Forsingle stage systems, it is the difference from the set point; for twostage systems, it is ...

Page 33 THZ-100 T HERMOSTAT Resetting the Filter Reminder If a filter reminder time was setup through the MRX AdvancedNetwork System Controller when your thermostat was initiallysetup, then you will periodically get a Check: Filter message on the main screen of the thermostat. To clear the Check: Fi...

Page 34 THZ-100 T HERMOSTAT Turning the Password Protect Feature On or Off If your THZ-100 thermostat was initially setup through the MRXAdvanced 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...

Page 35 THZ-100 T HERMOSTAT Changing the LCD Screen Options If you desire to change any of the LCD screen settings such asbrightness, timeout or auto dimming then use the arrow keys tomove the highlight bar to LCD Screen . Press the key below the OK key label in the smart-key label at the bottom rig...

Page 38 THZ-100 T HERMOSTAT Selecting Auto DimmingIf auto dimming is turned on, then the bottom item in the list on thisscreen 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 sta...

Page 39 THZ-100 T HERMOSTAT 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 tocancel 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 sc...

Page 40 THZ-100 T HERMOSTAT Troubleshooting Thermostat On-ScreenNotifications 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 receiv...

Page 41 THZ-100 T HERMOSTAT Important Safety Instructions

Page 44 USA W ARRANTY USA Limited Warranty Statement Your Universal Remote Control, when delivered to you in newcondition, is warranted against defects in materials or workmanshipas follows: UNIVERSAL REMOTE CONTROL, INC. warrants this product against defects in material or workmanship for a period ...