background image

16

Y

N/C

W

O/B

G

RC

RH

C

Y2

W2

AUX

1-stage AC

C

24V

Boiler

C

R

W

Y1

R

C

Y2

G

Fan Coil

* Remove RH/RC factory jumper 

C terminal to be connected to heating  

transformer common

A13345

Fig. 8 -- Boiler with Fan Coil and Single Stage Cool

Summary of Contents for T2--WHS01

Page 1: ...Installation Instructions T2 WHS01 Legacy Line Wi Fir Thermostat NOTE Read the entire instruction manual before starting the installation...

Page 2: ......

Page 3: ...p 1 Power Off HVAC Equipment 7 Step 2 Remove Existing Thermostat 7 Step 3 Install the Thermostat 7 Step 4 Connect the Wiring 9 Step 5 Power On the HVAC Equipment 19 NAVIGATING THE MENUS 20 CONFIGURING...

Page 4: ...low all warnings and cautions included in literature and attached to the unit Consult local building codes and the current edition of the National Electrical Code NEC NFPA 70 In Canada refer to the cu...

Page 5: ...gacy Line Wi Fi Thermostat is designed to be mounted on the homeowner s wall in a convenient location A13336 PERSONAL INJURY HAZARD Disconnect electric power to the HVAC system before installing this...

Page 6: ...y Line Wi Fi Thermostat supports d Up to 2 heat and 2 cool stages on a conventional system d Up to 3 heat and 2 cool stages on a heat pump system The Legacy Line Wi Fi Thermostat supports the followin...

Page 7: ...cations However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be dete...

Page 8: ...C by default adjustable from 50 to 90 F 10 to 32 C Display 40 to 100 F 5 to 37 C Sensitivity 1 F 0 5 C Operating 32 to 130 F 0 to 55 C Humidity Range Display 20 to 90 R H Sensitivity 5 R H Operating...

Page 9: ...l Description Voltage Current Max N C Unused N A N A Y 1st Stage Compressor 24V AC 2A W O B 1st Stage Heating or Reversing Valve Changeover 24V AC 2A G Fan 24V AC 2A C Common 24V AC 2A Y2 2nd Stage Co...

Page 10: ...ning equipment Step 2 Remove Existing Thermostat Disconnect the wires to the existing thermostat and remove it from the wall Step 3 Install the Legacy Line Wi Fi Thermostat The ideal location for the...

Page 11: ...N C W O B G RC RH C Y2 W2 AUX A13338 Fig 1 The solid color indicates mounting holes 4 Move the backplate out of the way and make holes where indicat ed in Step 3 The mounting holes can accommodate a 6...

Page 12: ...ween R H and R C Ensure any unused wires do not have exposed bare copper conductors To connect the thermostat to the equipment 1 Connect the wires as shown in the wiring diagrams 2 Attach the The Lega...

Page 13: ...10 Y N C W O B G RC RH C Y2 W2 AUX 1 stage AC C 24V Y G R W C HUM 1 stage Furnace A13339 Fig 2 Single Stage Heat Cool...

Page 14: ...11 2 stage AC Y2 R C Y1 Y G R W C HUM 1 stage Furnace Y N C W O B G RC RH C Y2 W2 AUX Y2 Y2 HUM connections on furnace may not be available A13340 Fig 3 Single Stage Heat Dual Stage Cool...

Page 15: ...12 Y N C W O B G RC RH C Y2 W2 AUX Y1 G W2 W1 HUM C R Y2 2 stage Furnace 1 stage AC C 24V A13341 Fig 4 Dual Stage Heat Single Stage Cool...

Page 16: ...13 Y N C W O B G RC RH C Y2 W2 AUX Y1 G W2 W1 HUM C R Y2 2 stage Furnace 2 stage AC Y2 R C Y1 A13342 Fig 5 Dual Stage Heat Dual Stage Cool...

Page 17: ...14 Y N C W O B G RC RH C Y2 W2 AUX O W Y Y2 C G R Fan Coil 1 stage Heat Pump W2 R Y C O A13343 Fig 6 Single Stage Heat Pump with Auxiliary Heat...

Page 18: ...15 Y N C W O B G RC RH C Y2 W2 AUX O W Y1 C G R Fan Coil 2 stage Heat Pump W2 Y1 R Y2 C O Y2 Y2 connection on fan coil may not be available A13344 Fig 7 Dual Stage Heat Pump with Auxiliary Heat...

Page 19: ...B G RC RH C Y2 W2 AUX 1 stage AC C 24V Boiler C R W Y1 R C Y2 G Fan Coil Remove RH RC factory jumper C terminal to be connected to heating transformer common A13345 Fig 8 Boiler with Fan Coil and Sing...

Page 20: ...Y2 W2 AUX 1 stage AC C 24V 2 stage Boiler C W2 R W1 Y1 R C Y2 G Fan Coil Remove RH RC factory jumper C terminal to be connected to heating transformer common A13346 Fig 9 Dual Stage Boiler with Fan Co...

Page 21: ...RH C Y2 W2 AUX 2 stage AC C Boiler C W R Y1 R R C Y2 Y1 Y2 G Fan Coil Remove RH RC factory jumper C terminal to be connected to heating transformer common A13347 Fig 10 Single Stage Boiler with Fan C...

Page 22: ...l to be connected to heating transformer common A13348 Fig 11 Dual Stage Boiler with Fan Coil Dual Stage Cool Step 5 Power On HVAC Equipment After you ve completed the wiring you can apply power to th...

Page 23: ...the temperature set point by 1 F 0 5 C For menus press Y to move up d B down On the Home screen press B to decrease the tempera ture set point by 1 F 0 5 C For menus press B to move down d A left On t...

Page 24: ...us screen BACK A13358 On Screen Keyboard If you need to type in any information an on screen keyboard will appear To enter a letter or number move to the character by pressing the arrow keys and then...

Page 25: ...thermal heat pump This helps the thermostat determine optimum perfor mance and default settings If you select No the system will opti mize the settings for an air to air heat pump d OB energize on coo...

Page 26: ...eat pump evaporator coil is upstream from the source of auxiliary heat This setting is only available when the Comp to Aux Temp Delta and Comp to Aux Runtime settings are both set to Auto default Furn...

Page 27: ...as a system mode Heat Cool Min Delta The minimum difference between the heat mode set temperature and the cool mode set temperature when the system mode is in auto change over The delta is adjustable...

Page 28: ...ustable from 0 to 3 F 17 5 to 26 5 C in 0 5 F 0 3 C increments d Heat Dissipation Time The amount of time the fan will run after the heat set point has been reached and the call for heat has been turn...

Page 29: ...et point is met d Stage 2 Temp Delta The minimum difference between the cur rent temperature and the set temperature that will activate the auxiliary heat regardless if the maximum run time of the pre...

Page 30: ...a 4 digit installer code This code is pre programmed to 3262 Test Equipment These options let you test the wiring and connections of the devices connected to the thermostat by turning them on or off...

Page 31: ...nstead To reset the Legacy Line Wi Fi Thermostat From the Home screen press MENU Select Settings Reset Select HVAC Equipment Settings Select Yes Performing a Hardware Reset In rare circumstances stati...

Page 32: ...creen If homeowners register their thermostats the reminders will be emailed to them and be displayed on the Web Portal You can set the Last Service date turn the Reminder On or Off and set the Freque...

Page 33: ...generated d Set temperature range of 35 to 68 F 1 5 to 20 C High Temp Alert Sets the temperature at which the thermostat will generate a High Temperature Alert The range can be d Off no alert will be...

Page 34: ...High Temp Alert Temperature in the home is too high Heat Not Responding The system has failed to heat the home Cool Not Responding The system has failed to cool the home Maintenance Reminder HVAC syst...

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Page 36: ...ant Heating Cooling Systems 7310 W Morris St Indianapolis IN 46231 Edition Date 11 13 Manufacturer reserves the right to change at any time specifications and designs without notice and without obliga...

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