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DCN: 2012-11-222-1                                                                                                                                             Page 6 

 

 Max Heat SP

    

 

Range: 40F to 109F (4C-43C)  

Default: 90F (32C) 

Sets the maximum heating setpoint value.   
Will not ramp or accept setpoints higher that this maximum.    
 

Min Cool SP

    

 

Range: 44F to 113F (6C-45C)  

Default: 60F (15C) 

Sets the minimum cooling setpoint value.   
Will not ramp or accept setpoints lower than this minimum.     

  

 
 
Minimum Run Time (MRT)    

Range: 1- 9 Minutes 

 

Default: 3 

Sets the minimum run time before a heating/cooling cycle can turn off.   
Sets heating/cooling cycle time. Prevents rapid cycling.   

 
Minimum Off Time (MOT)     

Range: 5-9 Minutes  

 

Default: 5

 

Sets the minimum off time before another heating/cooling cycle can begin.   
Provides compressor short cycle protection.  
 

Fan Cycler   

The fan cycler function cycles the HVAC system fan for an ON period followed by an Off 
period continuously.  Used to provide minimum air ventilation requirements.  
 
When the Fan ON time is set to a value greater than 0, an additional “Cycler” FAN mode is 
present when pressing the FAN button. 
 

Fan ON Time

 

Range: 0-120 minutes 

 

Default: 0 (=OFF) 

Fan OFF Time 

Range: 10-120 minutes 

 

Default: 10 

 

Remote Sensors  Submenu  Sensor Setup 
 

RS1 Type

 

A curve, Type 2, Type 3 

 

Default: Type 3 

RS2 Type

 

Range: A curve, Type 2, Type 3 

Default: Type 3 

RS2 Location

 

Range: IN (indoors), OUT (outdoors) 

Default: IN 

 

Restore Defaults

   

Range: Yes, No 

 

 

Default: No 

Restores all settings to factory defaults. 
 

Press Yes to restore defaults,  

 

Press No to exit and not restore defaults 

 

  
 

Summary of Contents for CH-THSTAT-W

Page 1: ...THSTAT W and will assist in trouble shooting the installation if needed CAUTION The typical wire colors noted below may be different from your installation Standard HVAC System Wiring Thermostat Term...

Page 2: ...TW45 Ver 02 04 01 WiFi Radio Version 02 30 System Type Standard Fan Type Gas Network Address 1 Status Press the MENU button to go to the main menu screen Scroll down to the Thermostat Info using down...

Page 3: ...Elec Fan Type Gas 2nd Stage Heat N 2nd Stage Cool N Done If HVAC system is a Standard Gas or Electric heat system Set the Type Standard Gas Electric systems or HP systems Set the Fan Type Gas or Elect...

Page 4: ...on a live system Network Settings Submenu Shows WiFi settings Same as in the Main Menu selection See Operations Manual System Settings Submenu Sets the HVAC operational settings below Mechanical Setti...

Page 5: ...at stage 1 heating starts Heating Delta Stage 1 OFF Range 0 to 8 degrees Default 0 Sets the delta from setpoint that stage 1 heating stops Stage 1 turns off at setpoint Delta Stage 1 Heating Delta Sta...

Page 6: ...g cooling cycle can begin Provides compressor short cycle protection Fan Cycler The fan cycler function cycles the HVAC system fan for an ON period followed by an Off period continuously Used to provi...

Page 7: ...1 On 1 8 1 Cool Delta Stage 1 Off 0 8 0 Cool Delta Stage 2 On 1 8 2 Cool Delta Stage 2 Off 0 8 0 Max Heat SP 40 109F 4 42C 90F Min Cool SP 44 113F 6 45C 60F Min Run Time 1 9 min 3 Min Off Time 1 9 mi...

Page 8: ...o Elec for electric heat fan call with heat call 3 2nd Stage Heat Enable second stage heating outputs If you have a single stage heating system leave this set to N If you have a 2 stage heating system...

Page 9: ...the correct system operation For change over with cool systems Orange wire O terminal set C O type to w cool most common and default setting For change over with heat systems Brown wire B terminal se...

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