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DIGITAL

THERMOSTAT

Owner’s Manual and

Installation Instructions

Up to 4 Heat & 2 Cool Stages

With Air Patrol, Humidity Control,

& Light Activation

COMMERCIAL

T4950-IAQ

Содержание T4950-IAQ

Страница 1: ...DIGITAL THERMOSTAT IAQ Owner s Manual and Installation Instructions Up to 4 Heat 2 Cool Stages With Air Patrol Humidity Control Light Activation COMMERCIAL T4950 IAQ...

Страница 2: ...void the user s authority to operate the equipment This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are...

Страница 3: ...y interference including interference that may cause undesired operation of the device L metteur r cepteur exempt de licence contenu dans le pr sent appareil est conforme aux CNR d Innovation Sciences...

Страница 4: ...rogramming a Schedule 10 AIR PATROL 12 VENNET SENSORS 15 Pairing a sensor 15 Un pairing a sensor 16 Factory Defaulting a sensor 16 SETUP STEPS Program Mode non programmable or 7 day programmable 17 Av...

Страница 5: ...yport on off 32 Local API on off 32 Show Clock 32 Show IAQ 32 Clear all messages 32 LOCKING UNLOCKING THE BUTTONS 33 HOLIDAY 34 EMERGENCY HEAT 35 CALIBRATION 36 RESTORING FACTORY DEFAULT SETTINGS 37 T...

Страница 6: ...the amount of moisture in the air Icon The word or symbol that appears on the thermostat display Mode The current operating condition of the thermostat i e Off Heat Cool Auto Non ProgrammableThermost...

Страница 7: ...2 Backlit Scrolling Display Backlit Cooler Warmer Buttons Backlit LCD Display Override Button Heat or Cool Demand Indicator Red Heat Green Cool Setup Buttons Behind Door Get To Know Your Thermostat...

Страница 8: ...3 Setup Buttons Get To Know Your Thermostat...

Страница 9: ...Temperature Display Indicates the current room temperature and displays the outdoor temperature when selected 4 Mode Indicators Selects the operational mode of the equipment HEAT Indicates the heating...

Страница 10: ...room temperature s Also displays the highest and lowest temperatures for the day 11 Wi Fi icons One dot will always be present and the full wifi icon will appear when connected to the local access poi...

Страница 11: ...Indicates the lowest recorded outdoor temperature for the day 15 Hi icon Indicates the highest recorded outdoor temperature for the day 16 Fan On icon Indicates constant continuous fan operation When...

Страница 12: ...s in Heat or Cool mode will adjust only the heat or cool setpoints individually displayed AUTO CHANGEOVER MODE Pressing the WARMER or COOLER buttons in Auto mode will adjust both the heat and cool set...

Страница 13: ...in the Air Patrol section on page 12 Any values that are invalid or unavailable with appear as dashes IAQ index Calculated relative humidity Wired remote temp Highest reading since midnight Lowest rea...

Страница 14: ...perate as described above Viewing only connected wifi or VenNet sensor Values You may also view connected wifi and VenNet sensor values after pressing ACCESSORY STATUS followed by COOLER button Use MO...

Страница 15: ...ering a schedule Press the WARMER or COOLER buttons to make changes Press the MODE button to advance to the next step OFF RUN HOLD TO SET OFF RUN HOLD TO SET Setting the Clock and Day Not available wh...

Страница 16: ...Occupied time periods in a day Select the Mode for the Occupied period Press the Warmer or Cooler buttons to choose the mode for the occupied period Adjust the Occupied Cool Setpoint Press the Warmer...

Страница 17: ...til The Indoor Air Quality improves OR The fan runtime reaches its selected maximum runtime per hour the Air Patrol Duration Additionally the thermostat s AUX output can be asserted to control 3rd par...

Страница 18: ...at the bottom of the drop down menu 3 Select Indoor Air Quality in the shaded area of Settings Setup Configuration Air Patrol is configured from Skyweb Venstar s Skyport web application Select an Exp...

Страница 19: ...output 6 Set the Air Patrol Duration This is the maximum the fan is allowed to run per hour If the Air Quality does not reach the next better IAQ level in this allotted time it will stop the fan and...

Страница 20: ...age from the display and stop the pairing procedure on the thermostat 4 Once pairing is completed you must select the type of sensor Remote or Outdoor a At this point the thermostat will display REMOT...

Страница 21: ...dvisable to name the sensor before pairing additional sensors Returning a Sensor to Factory Default settings If you are pairing the sensor to a new thermostat you will need to remove the previously pa...

Страница 22: ...n manually selected Auto Changeover is not available when this is selected Heat Only Allows the thermostat to only turn on HEAT or OFF modes Cool Only Allows the thermostat to only turn on COOL or OFF...

Страница 23: ...OLER MODE SETUP Night Dimmer Brightness Setup Step 6 Off through seven levels of brightness Night Dimmer Start Time Setup Step 7 12 00 am to 12 00 am Night Dimmer Stop Time Setup Step 8 12 00 am to 12...

Страница 24: ...et Current Override Hours Setup Step 14 This counter keeps track of the number of hours that the thermostat is overridden into Occupied settings Press FAN to reset Current UV Lamp Calendar Days Setup...

Страница 25: ...FF is displayed to disable this feature UV Lamp Runtime Setup Step 19 Set UV Lamp Calendar Days Setup Step 19 This timer allows the user to specify the number of calendar days the UV Lamp will operate...

Страница 26: ...at any setting other than no setpoint limits the heat and cool setpoints can be restricted to preset levels set in steps 23 and 24 This feature allows the user to set 3 different levels of security 0...

Страница 27: ...louts on the thermostat display for non heat pump applications Number of Cool Stages Setup Step 29 This setting assures proper stage callouts on the thermostat display for non heat pump applications N...

Страница 28: ...p only Specifies the additional minimum temperature difference after the third stage turns on before the final stage of strip heat is activated 0 10 Minutes Between 1st and 2nd Stage Setup Step 36 Spe...

Страница 29: ...off at third stage deadband or remain on until the room temperature demand is satisfied Choose between Deadband or Setpoint Minutes of Fan Purge setup step 42 When this feature is activated the fan w...

Страница 30: ...Wired Remote averages internal and attached wired remote sensor Average all Sensors averages internal any attached wired or paired wireless sensors These options only appear if step 43 Wired Sensor Ty...

Страница 31: ...elow the Cool setpoint the air conditioning will run to satisfy a Cool to Dehumidify demand 0 20 Reheat Operation With Cool To Dehumidify Setup Step 52 Specifies if electric strip heat is allowed to t...

Страница 32: ...o preset level Econ used to control an economizer Aux output will be active when schedule is in occupied or fan purge is active Smart Recovery Setup Step 57 Smart Recovery turns on the heat or cool be...

Страница 33: ...ive the thermostat will be forced into the programmed occupied mode setpoints and the occupied icon will blink This setting is useful for allowing a twist timer to force occupied settings FDD If FDD i...

Страница 34: ...eens WARMER COOLER MODE SETUP Setup Steps Light Activation Sensitivity Setup Step 63 With the lights on in the space press the FAN button to set the sensitivity of the light sensor This light level wi...

Страница 35: ...repeatedly until the desired setup step appears Use the WARMER or COOLER buttons to make selection Press MODE to advance to the next step Press hold MODE to go backwards to prior steps Press SETUP to...

Страница 36: ...eived from the utility Since you might be paying more for energy while an event is active you can impose tighter limits on setpoint ranges that are only enforced during the event Static Cool Setpoint...

Страница 37: ...the indoor blower will run for the length of time specified in this step 5 to 60 minutes This step only appears if step 73 is set to enabled Note The auxiliary output can be programmed to turn on when...

Страница 38: ...ER and COOLER buttons together for 5 seconds The icon will appear on the display then release the buttons Press all three buttons in the order outlined above for button lockout To unlock the buttons p...

Страница 39: ...iday setup programming at the local thermostat is not allowed In this case Holiday setup and programming is accomplished with the Skyport Web App Skyport gives the user extensive control over Holiday...

Страница 40: ...rgency Heat feature Press the EMERGENCY HEAT button During Emergency Heat operation the thermostat will turn on the fan and auxiliary stages of heat when there is a demand for heat The compressor will...

Страница 41: ...ENSORS UP YES MODE NEXT appears on the display 3 Press UP WARMER to move to thermostat screen then adjust the indicated room temperature readings as desired then MODE to store and move to next screen...

Страница 42: ...or reset to factory settings Press hold FAN for 2 seconds to bring defaults into your selection After successfully defaulted the screen will return to all icons Press SETUP to return to normal thermo...

Страница 43: ...ling display will read NOTHING ON Next Press WARMER to turn on and cycle up through the heating stages Press COOLER to turn the heating stages off Press MODE to exit Press COOLER to turn on and cycle...

Страница 44: ...Heating Air Conditioning system at the main fuse panel Most residential systems have a separate breaker for disconnecting power to the furnace Remove the cover of the old thermostat If it does not com...

Страница 45: ...Install on the old thermostat Function new thermostat terminal marked connector marked G or F Fan G Y1 Y Cooling Y1 W1 W Heating W1 0 B Rh R M Vr A Power R C Common C O B Rev Valve W1 O B W2 2nd Stag...

Страница 46: ...er control circuit C 24 VAC common AUX Aux output OUTDOOR Outdoor sensor SENSOR connections REMOTE Remote sensor SENSOR connections DRY Dry Contact CONTACT connections IMPORTANT This thermostat requir...

Страница 47: ...ELEC defines the Aux Heat type When GAS is chosen the auxiliary heat will not be allowed to run during heat pump operation When ELEC is chosen up to two stages of auxiliary strip heat will be allowed...

Страница 48: ...ooling with 1 stage Electric Heat 5 Wire 1 Stage Cooling 1 Stage Heat 24VAC Power 24VAC Common 1st Stage Heat 1st Stage Cool Fan Residential Commercial 2 Stage Cooling with 3 stage Gas Heat 8 Wire 2 S...

Страница 49: ...lve 6 Wire 1 Stage Cooling 2 Stage Heat R 24VAC Power C 24VAC Common W1 O B Reversing Valve Y1 1st Stage Compressor Cool or Heat W2 Aux Heat G Fan Residential Commercial Heat Pump with O Reversing Val...

Страница 50: ...SENSOR DRY CONTACT OUTDOOR SENSOR Humidification System DEHUM HUM Dehumidification Terminal on Equipment Dry Contact and Aux Output G Y1 Y2 W3 R W1 O B W2 HUM DEHUM C AUX REMOTE SENSOR DRY CONTACT OUT...

Страница 51: ...old for 10 seconds All icons appear Press MODE to advance through the setup steps Press WARMER or COOLER to adjust the selection WARMER COOLER MODE SETUP HI Lo Program ONOFF Outdoor Fan On COOL AUXHEA...

Страница 52: ...Limits page 21 SYMPTOM The heating does not attempt to turn on CAUSE The heating setpoint is set too low REMEDY Raise the heating setpoint or raise the heating set point limit See Setpoint Limits page...

Страница 53: ...r Calendar Days 19 0 720 Days 0 17 Set Service Filter Runtime Hours 20 0 1950 hours 0 18 Set Service Filter Calendar Days 20 0 720 Days 0 19 Set UV Lamp Calendar Days 20 0 720 Days 0 20 Set Humidifier...

Страница 54: ...Dehumidify 26 On Off Off 50 Maximum Occ Dehum Overcool 26 0 20 Degrees 2 51 Maximum Unocc Dehum Overcool 26 0 20 Degrees 2 52 Reheat Operation W Cool To Dehum 26 On Off Off 53 Fan Off Delay 26 0 120 S...

Страница 55: ...int Offset 31 1 to 15 4 73 IAQ Air Patrol 32 enabled disabled disabled 74 Air Patrol On If IAQ Exceeds 32 Moderate Poor Moderate Moderate Quality 32 75 Air Patrol Fan On Minutes 32 5 60 10 76 Skyport...

Страница 56: ...WHATSOEVER ALL WORK UNDERTHETERMS OFTHIS WARRANTY SHALL BE PERFORMED DURING NORMAL WORKING HOURS ALL REPLACEMENT PARTS WHETHER NEW OR REMANUFACTURED ASSUME ASTHEIR WARRANTY PERIOD ONLYTHE REMAININGTIM...

Страница 57: ...P N 88 1448 Rev 2 01 18 22 Patent Pending...

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