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Venstar T4950SCH-IAQ, Руководство пользователя и инструкции по установке

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Sample Wiring Diagrams

Conventional Heating and Cooling Systems

Residential & Commercial 1 Stage Heating 

with 

no Fan.  

3 Wire, Heat Only

24VAC Power

24VAC Common

1st Stage Heat

Residential & Commercial 1 Stage Cooling.  

4 Wire, Cool Only

R                

C                

Y1              

G

Residential & Commercial 1 Stage Cooling, 

with 1 stage 

Gas Heat.  

5 Wire, 1 Stage Cooling, 1 Stage Heat

24VAC Power

24VAC Common

1st Stage Heat

1st Stage Cool

Fan

Residential & Commercial 1 Stage Cooling, 

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 Stage Cooling, 3 Stage Heat

24VAC Power

24VAC Common

1st Stage Heat

2nd Stage Heat

3rd Stage Heat

1st Stage Cool

2nd Stage Cool

Fan

R

C

W1/O/B

Y1

G

R

C

W1/O/B

Y1

G

R                

C                

W1/O/B      

W2             

W3             

Y1              

Y2              

G

R          

C                

W1/O/B

24VAC Power

24VAC Common

1st Stage Cool

Fan

1

GAS

O

GAS/EL

ELEC

B
HP

ON

23

1

GAS

O

GAS/EL

ELEC

B
HP

ON

23

1

GAS

O

GAS/EL

ELEC

B
HP

ON

23

1

GAS

O

GAS/EL

ELEC

B
HP

ON

23

1

GAS

O

GAS/EL

ELEC

B
HP

ON

23

Installation Instructions

Содержание T4950SCH-IAQ

Страница 1: ...GITAL THERMOSTAT IAQ Owner s Manual and Installation Instructions Up to 4 Heat 2 Cool Stages With Air Patrol Humidity Control Light Activation COMMERCIAL T4950SCH IAQ Designed for the School Environme...

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: ...dule ON OFF 10 Programming 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 Available Modes heat only cool only heat...

Страница 5: ...ff 32 Local API on off 32 Show Clock show IAQ 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 TE...

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

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 10 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 14 Hi icon Indicates the highest recorded outdoor temperature for the day 15 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: ...el the override timer returning the thermostat to unoccupied settings Within the Start Stop times for the day the thermostat should enter occupied and bring in occupied setpoints for the rest of the d...

Страница 15: ...rver Press the SET CLOCK button Adjust the clock using the WARMER or COOLER buttons Press MODE to advance to the day setting Adjust the day using the WARMER or COOLER buttons Press the SET CLOCK butto...

Страница 16: ...ied Cool Setpoint Adjust the Weekday Occupied Heat Setpoint Set the Unoccupied Mode Press the Warmer or Cooler buttons to choose the mode for the Unoccupied period The thermostat is in Unoccupied when...

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: ...he 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 Explorer...

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: ...ly turn on HEAT or OFF modes Cool Only Allows the thermostat to only turn on COOL or OFF modes Setup Steps WARMER COOLER MODE Setup How to Change Settings in the Setup Screens To enter Advanced Setup...

Страница 23: ...OOLER MODE SETUP Night Dimmer Brightness Setup Step 5 Off through seven levels of brightness Night Dimmer Start Time Setup Step 6 12 00 am to 12 00 am Night Dimmer Stop Time Setup Step 7 12 00 am to 1...

Страница 24: ...rent Override Hours Setup Step 13 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 Step 1...

Страница 25: ...FF is displayed to disable this feature UV Lamp Runtime Setup Step 18 Set UV Lamp Calendar Days Setup Step 18 This timer allows the user to specify the number of calendar days the UV Lamp will operate...

Страница 26: ...t is locked into the current mode and time period program setting and the FAN button is locked out Setpoints Frozen 3 When this level is selected the heat and cool setpoints the current mode the FAN b...

Страница 27: ...louts on the thermostat display for non heat pump applications Number of Cool Stages Setup Step 28 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 35 Spe...

Страница 29: ...rn 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 41 When this feature is activated the fan...

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 42 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 51 Specifies if electric strip heat is allowed to t...

Страница 32: ...ll be active when schedule is in occupied or fan purge is active Max Override Hours Setup Step 56 Specifies how long the thermostat will allow occupied setpoints outside of classroom hours 0 6 hours W...

Страница 33: ...f OCCUPIED is selected when the dry contact is active the thermostat will be forced into the programmed occupied mode setpoints and the occupied icon will blink This setting is useful for allowing a t...

Страница 34: ...o leave the setup screens WARMER COOLER MODE SETUP Setup Steps Light Activation Sensitivity Setup Step 64 With the lights on in the space press the FAN button to set the sensitivity of the light senso...

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 74 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: ...and 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 the...

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: ...0 are set to 2 Residential Commercial Heat Pump with O Reversing Valve 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 A...

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: ...is set too high REMEDY Lower the cooling setpoint or lower the cooling set point limit See Setpoint Limits page 21 SYMPTOM The heating does not attempt to turn on CAUSE The heating setpoint is set too...

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

Страница 54: ...ees 2 50 Maximum Unocc Dehum Overcool 26 0 20 Degrees 2 51 Reheat Operation W Cool To Dehum 26 On Off Off 52 Fan Off Delay 26 0 120 Seconds 0 53 F C 27 Fahrenheit F Celsius C F 54 Aux Out Polarity 27...

Страница 55: ...15 4 73 Heat Setpoint Offset 31 1 to 15 4 74 IAQ Air Patrol 32 enabled disabled disabled 75 Air Patrol On If IAQ Exceeds 32 Moderate Poor Moderate Moderate Quality 76 Air Patrol Fan On Minutes 32 5 6...

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 1436 Rev 2 01 18 22 Patent Pending...

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