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Communication and Sensor Connections/Terminals

Wiring Chart • 19

Wiring Chart

For all systems, the following terminals are wired according to whether you have a single or dual transformer

system as shown:

1. *FAILURE TO IDENTIFY GROUNDED COMMON COULD CAUSE SEVERE DAMAGE TO HVAC SYSTEMS.
2.* FAILURE TO REMOVE PROVIDED JUMPER ON DUAL TRANSFORMER INSTALLATIONS COULD CAUSE SEVERE DAMAGE TO HVAC SYSTEMS.

The following terminals on the thermostat Mounting Plate are wired according to the type of HVAC system

connected to and the thermostat is configured as.

5.1. Communication and Sensor Connections/Terminals

SCOM

B+

A-

MCOM

EC_OUT

EC_COM

Sensor

Common

OAT

Remote

Indoor

Temperature

(RMT)

Supply Air

Temperature

485 MODBUS

Connections

485

MODBUS

Shield

Economizer

Analog Output

(+)

Economizer

Analog

Output (-)

Single Transformer

System

24 VAC Hot



Jumper should remain installed

24 VAC



Common

System/Comfort

Alert

Diagnostics

Blower/Fan

Dual Transformer

System

24 VAC – Heat



REMOVE

PROVIDED

JUMPER

24 VAC – Cool
*

REMOVE

PROVIDED

JUMPER

24 VAC



Common

System/Comfort

Alert

Diagnostics

Blower/Fan

Table 5-1

- Terminal Wiring Depending on Type of Transformer Used

W/E

O/B

Conventional HVAC

Cool Mode



Stage 1

Cool Mode



Stage 2

Heat Mode

Stage 1

Heat Mode



Stage 2

Heat Pump

Compressor



Contactor

Compressor



Stage 2

AUX



Heat Stage 1

AUX Heat



Stage 2

Reversing

Valve

Table 5-2

- Terminal Wiring Depending on Type of HVAC System

Table 5-3

- Communication and Sensor Connections/Terminals

Содержание 0037-7303A

Страница 1: ...Commercial Communicating Programmable Thermostat Installation and Operation Manual 026 1729 Rev 2 15 NOV 2016 White Rogers Part No 0037 7303A MENU NETWORK ...

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Страница 3: ...Emerson Climate Technologies Retail Solutions 1065 Big Shanty Road NW Suite 100 Kennesaw GA 30144 USA Phone 770 425 2724 Fax 770 425 9319 ...

Страница 4: ......

Страница 5: ...p Heating System Heat Pump Systems Only 8 3 6 STEP 5 GETTING TO KNOW YOUR THERMOSTAT 8 3 6 1 Thermostat Buttons 8 3 6 2 Thermostat Indicators and Display 9 3 6 3 Using the Navigation Keypad 10 3 6 4 Initiating a Temporary Hold 10 3 6 5 Setting One Touch Away Preset 10 4 CUSTOMIZING THERMOSTAT SETTINGS 11 4 1 PROGRAMMING A HEATING COOLING SCHEDULE 11 4 1 1 To Run the Thermostat as a Non Programmabl...

Страница 6: ...UP AND COMMISSIONING 22 8 1 COM PORT ASSOCIATIONS E2 VERSIONS 3 XX AND BELOW 22 8 2 COM PORT ASSOCIATIONS E2 VERSIONS 4 0 AND ABOVE 22 8 3 SET UP NETWORK PORTS 23 8 4 ADDING A THERMOSTAT 23 9 DESCRIPTION OF INSTALLATION MENU OPTIONS 25 9 1 HVAC EQUIPMENT SETUP 25 9 2 ADVANCED SETUP 25 9 3 INSTALLATION MENU 27 9 3 1 About the Device 27 9 3 2 Economizer Settings 27 9 3 3 Sensor Settings 27 9 3 4 Net...

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Страница 8: ...arts see Section 2 2 Required Items Assemble the required tools see Section 2 3 Re quired Tools 2 2 Required Items Thermostat 1 Wall anchors 2 Mounting screws 2 2 3 Required Tools Flat blade screwdrivers 1 large and 1 small Hand or power drill with 3 16 inch drill bit Wire strippers Level optional CAUTION Failure to read and follow all in structions carefully before installing or operat ing this c...

Страница 9: ...2 Commercial Communicating Programmable Thermostat I O Manual 026 1729 Rev 2 15 NOV 2016 2 4 Dimensions Figure 2 1 Mounting Dimensions Figure 2 2 Thermostat Dimensions Note Dimensions shown in inches ...

Страница 10: ...an remove by un screwing the mounting screws that hold it on the wall or adaptor plate 3 2 2 Removing the Old Thermostat 1 Remove the front cover of the old thermostat 2 With wires still attached remove the wall plate from the wall by unscrewing it If the old thermostat has a wall mounting plate remove the thermostat and the wall mounting plate as an assembly 3 Identify each wire attached to the o...

Страница 11: ...d the thermostat wires through the rectangular hole in the thermostat Mounting Plate Locate the terminal that the wire needs to connect to refer to Section 5 Wiring Chart Bend the wire slightly insert the wire under the con tact plate and tighten the screw down onto the wire For full details on where to connect each wire see Section 5 Wiring Chart 4 Mark mounting hole locations Place the thermo st...

Страница 12: ...ate until you hear the retention tabs make a clicking sound and the thermostat is securely fas tened to the Mounting Plate If the thermostat does not easily click onto the Mounting Plate be certain not to press with excessive force or else damage could occur to the thermostat and or Mounting Plate 8 Turn the power back ON at the breaker For wiring specifications refer to Section 5 Wir ing Chart 3 ...

Страница 13: ...ic Heat 2 Stage Furnace Gas Oil 1 Stage Furnace Gas Oil 2 Stage Network Installation Info Network Status About This Device Dedicated Screen ADVANCED HVAC OPTIONS Cycle Rates Heat Comfort Standard Economy Cool Comfort Standard Economy Back up Heat Comfort Standard Economy Available with heat pump multistage configuration Compressor Lockout On Off Comfort Alert Active Protection On Off Frost Protect...

Страница 14: ...he auxiliary heating system has a standing pilot be sure to light it 2 Press the UP arrow button to adjust the thermostat setting to 1 above room temperature The heating system should begin to operate 3 If the system is a multi stage heating system adjust the temperature setting to at least 3 above room temperature If the system is configured for a multi stage furnace non heat pump the second stag...

Страница 15: ...rmostat consists of two parts the thermostat chassis and the Mounting Plate To detach the two items gently pull on the thermostat chassis until the retention tabs release To attach the thermostat back onto the Mounting Plate align the retention tabs on the Mounting Plate with the retention slots in the ther mostat and gently press the two together until the re tention tabs click If the thermostat ...

Страница 16: ...ture Displays current measured room temperature 3 Setpoint Temperature Displays currently programmed setpoint Blank when OFF SET AT changes to HOLD AT when in temporary or permanent hold 4 Rate Status Displays current rate in effect may be blank at base rate 5 Soft Key Actions Actions to be performed when corresponding button is pressed Table 3 3 Thermostat Display Screen Sections 1 54 PM Mar 12 C...

Страница 17: ... Date CANCEL SAVE 12 00 pm 1 1 10 Friday 3 6 4 Initiating a Temporary Hold TEMPORARY HOLD lets you override a programmed heating cooling schedule for a brief period of time 3 6 5 Setting One Touch Away Preset AWAY PRESET lets you override a programmed temperature indefinitely This feature will help you save money if you re going to be away from home for an extended period of time The unit has been...

Страница 18: ...tings Schedules HEATING MORN DAY EVEN NITE Period 6 00am 8 00am 8 00am 6 00pm 6 00pm 10 00 pm 10 00pm 6 00am Mon Fri 70 F 60 F 70 F 62 F Sat Sun 70 F 60 F 70 F 62 F Table 4 1 Heating Cooling Schedule COOLING MORN DAY EVEN NITE Period 6 00am 8 00am 8 00am 6 00pm 6 00pm 10 00 pm 10 00pm 6 00am Mon Fri 78 F 85 F 78 F 82 F Sat Sun 82 F 78 F 78 F 82 F Table 4 2 Heating Cooling Schedule Step 1 Press the...

Страница 19: ... either 2 or 4 Table 4 4 Customizing the Heating Cooling Schedule Step 1 From the SCHEDULES menu use the and arrows to select SET HEAT SCHEDULE Press Step 2 From the HEAT SCHEDULE screen you can either Set a separate schedule for weekdays and weekend days OR Set a single schedule that will run seven days a week Use the and arrows to make your selection Press Step 3 The first day part should be hig...

Страница 20: ...EXT When asked to confirm your selection press YES Step 1 Press the MENU key Step 2 From the Settings menu use the and arrows to select CLOCK Press Step 3 Use the and arrows to select SET TIME AND DATE Press Step 4 Use the and arrows to change the value in each field and to toggle between fields Once the time and date are set press NEXT Step 5 When asked to confirm your selection press YES Table 4...

Страница 21: ...e and arrows to select a time zone then press ENTER Table 4 7 Setting the Time Zone Step 1 From the CLOCK screen use the and arrows to select DAYLIGHT SAVING Press Press ENTER to select either ON or OFF Table 4 8 Enabling Disabling Daylight Savings Time Home Display On Home Daylight Savings Time Zone Set Time Date 1 54 PM 3 12 10 On On Alaska Standard Time Pacific Standard Time Mountain Standard T...

Страница 22: ...Home Beep On Alert Message HVAC Maintenance Alerts Active Alerts From this screen you can choose to be reminded to change the air filter humidifier pad and UV lights on your HVAC unit Using the and arrows select a reminder and press to turn the reminder ON To activate the selected reminder press ENTER UV Lights Humidifier Pad Air Filter Maintenance Reminders Off Off Off Use the and arrows to selec...

Страница 23: ...ou receive priority messages or notification of a utility event or peak rate Use the and arrows to make a selection and press Step 2 To change the default setting use the and arrow keys to select whether you would like to turn the alert OFF be alerted once when the message is received or every 15 minutes until you acknowledge the alert Make your selection then press ENTER Repeat steps 1 2 until al...

Страница 24: ...OL UNLOCK 79 F 76 Set At 0 08kWh Base Rate INBOX Enter the three digit combination you set then press UNLOCK Thermostat Lock CANCEL UNLOCK 0 0 0 Step 1 Step 2 Table 4 12 Unlocking the Thermostat Display NOTE If you have forgotten your combina tion simultaneously press the LEFT MID DLE and RIGHT keys at the bottom of the display for 20 seconds to unlock and reset the code to 000 ...

Страница 25: ...1 To Set Vacation Hold Menu Settings Vacation Hold Step 1 From the VACATION HOLD screen select the desired vacation hold temperature and press SET Step 2 Vacation hold can remain in effect for up to one year Select the date and time on which you d like the thermostat to return to its programmed schedule then press NEXT Step 3 When asked to confirm your selection press YES Table 4 13 Setting Vacati...

Страница 26: ...sor Common OAT Remote Indoor Temperature RMT Supply Air Temperature 485 MODBUS Connections 485 MODBUS Shield Economizer AnalogOutput Economizer Analog Output RH RC C L G Single Transformer System 1 24 VAC Hot Jumper should remain installed 24 VAC Common System Comfort Alert Diagnostics Blower Fan Dual Transformer System 24 VAC Heat 2 REMOVE PROVIDED JUMPER 24 VAC Cool 2 REMOVE PROVIDED JUMPER 24 V...

Страница 27: ...20 Commercial Communicating Programmable Thermostat I O Manual 026 1729 Rev 2 15 NOV 2016 6 Wiring Connection to Site Supervisor Figure 6 1 Site Supervisor Wiring ...

Страница 28: ...onnector on the COM port that has been configured for the thermostat The thermostat polarity markings are the same as E2 connect the thermostat B wire to the E2 RS485 terminal and connect the thermostat A wire to the E2 RS485 terminal The shield cable should be connected to the C terminal Figure 7 1 E2 MODBUS connection ...

Страница 29: ...COM port you wish to as sign as MODBUS 8 2 COM Port Associations E2 Versions 4 0 and Above An E2 has three COM ports that can be assigned for MODBUS communication COM2 COM ports can only be used for one function in other words if COM2 is set up as the I O network you cannot con nect MODBUS devices to COM2 Ensure your E2 is configured in E2 General Services Serial tab to enable COM4 or COM6 Connect...

Страница 30: ...s con nected to the same COM port should be set to the same baud rate Data Size Leave this field at the default value 8 Parity Leave this field at the default value None The parity settings should be set to match the parity dip switch settings of all thermostat devices Stop Bits Leave this field at the default value 1 6 Press to save changes and exit 8 4 Adding a Thermostat To enable communication...

Страница 31: ...en commissioned 9 When finished press to return to the Net work Setup menu then press Network Sum mary Figure 8 5 Locate the thermostats you set up and look at each device s status in the Status field You will see one of the following messages Online The thermostat is communicating normal ly Offline The thermostat is not communicating has not been commissioned is not functional or is not powered u...

Страница 32: ...em When the thermostat compressor time delay occurs A C return 5 min will be displayed on the messaging area of the thermostat Options for this menu item include OFF Default No compressor wait time Assumes lockout feature is already present ON Waits 5 minutes before turning on the com pressor after a power loss or during cooling heating cycles Protects the compressor from short cycling 3 Advanced ...

Страница 33: ...etting range is from 15 to 120 F 12 Advanced Setup Cool Lockout Outdoor Available When Outdoor Air sensor is Enabled Disables cooling operation based on outdoor air temperature When the outdoor air temperature is be low this value all heating is disabled Setting range is from 20 to 95 F 13 Advanced Setup Compressor Optimization Allows for a more comfortable and efficient oper ation of heating and ...

Страница 34: ...n Cooling mode If the outdoor temperature is be low this value the cooling will be switched over from mechanical compressor to free cooling economiz er 14 to 70º F 10 0 to 21 0º C Default value 55º F 13 0º C 6 SupplyAirSetpoint SupplyAirTemperature Sensor Required Installer can select the supply air setpoint that al lows for economizer free cooling operation Supply air setpoint Free cooling supply...

Страница 35: ...ow buttons refer to Section 3 6 3 Using the Navigation Keypad LEFT MID DLE RIGHT soft button and RIGHT arrow button are disabled Parity Set the method for the Protocol Parity check When the Protocol Parity is highlighted in In stallation Menu the user can press the RIGHT button to access the Protocol Parity screen It will display as follows The default value is None The option values include Odd a...

Страница 36: ...system wires are securely attached Furnace Lock Out Condition Heat may also be intermittent Many furnaces have safety devices that shut down when a lock out condition occurs If the heat works intermittently contact the furnace manufacturer or your HVAC contractor for assistance Heating system requires service or thermostat requires replacement Diagnostic Press the SYSTEM button to select HEAT and ...

Страница 37: ...contact your HVAC contractor or place of purchase for a replacement If the thermostat clicks contact the furnace manufacturer or HVAC contractor to verify the heating is operating correctly Table 10 3 No Cool Possible Cause Corrective Action Thermostat may be in Load Shed a Control Event is in progress Wait for the Control Event to end Table 10 4 No Heat or No Cool Possible Cause Corrective Action...

Страница 38: ... control and may cycle faster than some older mechanical models A faster cycle rate means the unit turns on and off more frequently but runs for a shorter time so there is no increase in energy use If you would like to increase the cycle time choose Economy for slow cycle in the menu Table 10 7 Furnace Air Conditioner Cycles Too Fast or Too Slow Narrow or Wide Temperature Swing Possible Cause Corr...

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Страница 41: ...d or its affiliates collectively Emerson reserves the right to modify the designs or specifications of such products at any time without notice Emerson does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any product remains solely with the purchaser and end user 026 1729 15 NOV 2016 Emerson is a trademark of ...

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