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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 

Auto Dimming

to toggle this option. 

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. 

Viewing THZ-100 Thermostat Information

The 

Information

selection in the 

Options

screen is used to display various THZ-100 thermostat parameters to

indicate how the thermostat was setup as well as some wireless signal strength information. This information

is not used in normal operation.

Setting the Date and Time

If your THZ-100 has lost wireless communication with the MRX Advanced Network System Controller main

unit, the 

Options

list includes an option to set the date and time. If you desire to set the date and/or time then

use the arrow keys to move the highlight bar to 

Date & Time

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. 

After pressing 

OK

, the screen updates to give you a list of the date and time entries that you can change. The

left column displays Month, Day, Year, Hour, and Minute. The right column displays the current value. Use the

arrow keys to move the highlight bar to the value you wish to change. 

In the smart-key label at the bottom right of the display, 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.

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. When you are satisfied with your new selection, press the key

below the 

Set <parameter>

key label.

190

Summary of Contents for THZ-100

Page 1: ...our home and determines the amount of time it will take to reach your desired tempera ture at the desired time Then it slowly and more efficiently heats or cools to the new set point Security Code Perfect for most commercial uses and even for some homes where people have the need to ensure that only authorized people should have access to the THZ 100 Easily program your new thermostat with a 4 dig...

Page 2: ...atteries but future models may S S Supports one hardwired external temperature sensor which directly connects to the rear of the THZ 100 s S Power and S Power connectors B Reversing Valve Heat O Reversing Valve Cool Y2 2nd stage compressor Air Conditioner Y1 1st stage compressor Air Conditioner W2 2nd stage heat or 2nd Stage AUX heat for a heat pump W1 1st stage heat or AUX heat for a heat pump sy...

Page 3: ...5 feet from the floor Avoid installing the THZ 100 thermostat and or remote sensor In direct sunlight Above radiators or air vents Near fans or portable heating units Near lamps or other incandescent lighting Near other heat generating electric appliances such as televisions audio video equipment refrigerators freezers ovens cooktops etc Other precautions when installing the THZ 100 thermostat and ...

Page 4: ...g 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 Reversing Valve Heating O Reversing Value Cooling S Wired Sensor S Wired Sensor Single Stage Furnace and Single Stage A C 183 ...

Page 5: ...Dual Stage Furnace and Dual Stage A C Single Stage Heat Pump with Reversing Valve O 184 ...

Page 6: ...Single Stage Heat Pump with Reversing Valve B Dual Stage Heat Pump with Reversing Valve O 185 ...

Page 7: ...Dual Stage Heat Pump with Reversing Valve B Boiler and A C with Separate Transformers 186 ...

Page 8: ...First Stage Radiant Floor Heat Second Stage Furnace with Single Stage Cooling and External Pilot Duty Relay 187 ...

Page 9: ...ss 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 After pressing OK the screen updates to a screen that says LCD Screen Brightness at the top of the screen and the current brightness level ...

Page 10: ...of the screen Use the arrow keys to adjust the timeout time to the value you desire The value changes in 5 second increments and can be set between 5 seconds and 120 seconds When you are satisfied with your timeout time selection then press the key below the Set Time key label in the smart key label at the bottom right of the display to save your new value If you decide to cancel the operation then...

Page 11: ...ate and or time then use the arrow keys to move the highlight bar to Date Time 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 After pressing OK the screen updates to give you a list of t...

Page 12: ...eless notification then check the signal strength of the THZ 100 If the strength is not excellent then contact your dealer for more assistance If the display shows Wait flashing during the operation of the HVAC system the Compression Protection has been activated Once Compression Protection cycles the system can operate as normal This will help prevent your HVAC s compressor from turning ON and OFF ...

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