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EWT-3102 / EWT-3103 Touchscreen Programmable Thermostat

1. POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED
2. FACTORY INSTALLED JUMPER.
3

．

OUTDOOR SENSOR REQUIRED IN SYSTEM WITH FOSSIL FUEL BACKUP HEAT THAT IS NOT USING AN EXTERNAL FOSSIL FUEL KIT

．

OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE

FROM THE THERMOSTAT CABLE
5

．

MUST CONNECT THE 24 VAC COMMON WHEN USING L. THE TERMINAL IS SHOWN AS EQUIPMENT MONITOR, CAN ALSO BE USED

AS A 24 VAC OUTPUT. SEE HEAT PUMP SECTION ON PAGE 90
6

．

"O/B" TERMINAL SET TO CONTROL AS EITHER "O" OR "B" IN THE INSTALLER SETUP.

Fig. 21. Typical hookup of multistage heat pump with auxiliary/backup heat

(3H/2C heat pump).

HEAT PUMP

S1 S2 C R RC W W2 Y2 Y G

S1 S2 C R RC E L Y2 Y G

O/B AUX

OUTDOOR/INDOOR

TEMPERATURE
SENSOR

C 1

CHANGEOVER
VALVE

FAN RELAY

OPTIONAL
24VAC
COMMON

CONNECTION

EMERGENCY
HEAT RELAY

HEAT 2 RELAY

(AUXILIARY HEAT)

EQUIPMENT MONITOR

COMPRESSOR 1

COMPRESSOR 2

Содержание EWT-3102

Страница 1: ... EWT 3103 Touchscreen Programmable Thermostat EWC Controls Inc 385 HWY 33 Englishtown NJ 07726 Ph 732 446 3110 Fx 732 446 5362 Room Running As SCHED SYSTEM MORE SCHED HOLD CLOCK SCREEN AUTO FAN WED PM AUTO HEAT ...

Страница 2: ...ogrammable Thermostat Contents Application Features 2 Specifications Ordering Information 4 Installation 14 Wiring 18 Power the Thermostat 35 Installer Setup 48 Installer System Test 59 Operation 62 Programming 68 Troubleshooting 98 1 ...

Страница 3: ...tat is an effortless 7 Day programmable thermostat that provides universal system compatibility precise comfort control and is easy to program The EWT 3102 EWT 3103 Thermostats provide temperature control for gas oil electric and heat pumps for up to 3 heats 2 cool systems including dual fuel operation plus dehumidification control 2 ...

Страница 4: ...your customer lifestyle Touchscreen interaction Real time clock keeps time during power failures and automatically updates to daylight savings Saving Changes notification lets you know when the schedule changes have been saved Change check reminders let you know when to service or replace filters or batteries Various Hold options allow you to override the program schedule as desired Armchair progr...

Страница 5: ...il or electric heat with air conditioning Warm air hot water high efficiency furnaces heat pumps steam and gravity Heat only includes power to open and power to close zone valves series 20 and normally open zone valves Heat only with fan Cool only 750 mV heating systems Changeover Manual or Auto changeover selectable System setting Heat Off Cool Auto Emer for heat pumps Fan setting Auto On Circ 4 ...

Страница 6: ...C 1 0A Max W Heating Power pile 750 mVDC 100 mA Y Cooling 20 30 VAC 1 0A Max G Fan 20 30 VAC 0 6A Max Temperature Setting Range Heating 40 F to 90 F 4 C to 32 C Cooling 50 F to 99 F 10 C to 37 C Operating Ambient Temperature 32 F to 120 F 0 C to 49 C Shipping Temperature EWT 3102 EWT 3103 Thermostats 30 F to 150 F 34 4 C to 65 6 C 5 ...

Страница 7: ...03 models only 0 to 99 Cycle Rates at 50 Load Heating Selectable 1 12 cycles per hour Cooling Selectable 1 6 cycles per hour Clock Accuracy 1 minute per month Batteries Two replaceable AA alkaline batteries Power thermostats when 24 VAC common is not used Non replaceable lithium battery with ten year life under normal use to hold calendar and time settings Alkaline batteries keep calendar and time...

Страница 8: ...reen when Heat is activated 7 Auxiliary Heat Indication EWT 3102 EWT 3103 Touchscreen Thermostats show Aux Heat On on the screen when Auxiliary Heat is activated Emergency Heat Indication EWT 3102 EWT 3103 Touchscreen Thermostats show Heat On on the screen when Emergency Heat is activated and the System mode is in the Emer position Calibration EWT 3102 EWT 3103 Touchscreen Thermostats are factory ...

Страница 9: ...hscreen Programmable Thermostat ORDERING INFORMATION If you have additional questions need further information or would like to comment on our products or services please e mail info ewccontrols com or phone 1 800 446 3110 8 ...

Страница 10: ...iving space using mounting screws and anchors provided Outdoor Sensor Mounts outside of living space with mounting clip and screws provided Remote Indoor Sensor Mounts directly on the wall using mounting screws and anchors provided 9 Dimensions 1 EWT 3102 EWT 3103 Touchscreen Thermostat see Fig 1 2 EWT 3102 EWT 3103 Touchscreen Thermostat Back Case see Fig 2 3 EWT 3102 EWT 3103 Outdoor Sensor Moun...

Страница 11: ...EWT 3102 EWT 3103 Touchscreen Programmable Thermostat 10 Fig 1 Touchscreen Thermostat dimensions in in mm 5 98 in 152mm 4 48in 114mm 1 235 in 30 60mm ...

Страница 12: ...EWT 3102 EWT 3103 Touchscreen Programmable Thermostat 11 Fig 2 Touchscreen Thermostat Back Case dimensions in in mm 1 51 in 38 5mm 0 84 in 21 5mm 1 77 in 45mm 1 67 in 42 5mm ...

Страница 13: ...ig 3 Outdoor Sensor Mounting Clip dimensions in in mm 12 1 49 in 38mm 0 1 7 i n 4 2 m m R1 6 in 4m m 1 82 in 46 3mm 1 10 in 28 1mm 0 62 in 16mm 1 56 in 39 7mm 0 08 in 2mm 0 44 in 11 2mm 0 24 in 6 2mm R 0 0 4 i n 1 m m R 0 0 9 8 i n 2 5 m m R0 098 in 2 5m m ...

Страница 14: ...EWT 3102 EWT 3103 Touchscreen Programmable Thermostat Fig 4 Cover Plate dimensions in in mm 13 3 29 in 83 5mm 0 85 in 21 5mm 3 29 in 83 5mm 5 35 in 136mm 4 13 in 105mm ...

Страница 15: ...a trained experienced service technician 4 After completing installation use these instructions to check out the product operation Selecting Location Install the thermostat about 5 ft 1 5m above the floor in an area with good air circulation at average temperature See Fig 5 Do not install the thermostat where it can be affected by Drafts or dead spots behind doors and in corners Hot or cold air fr...

Страница 16: ...EWT 3102 EWT 3103 Touchscreen Programmable Thermostat Fig 5 Selecting thermostat location 15 5FEET 1 5METERS ...

Страница 17: ...level the wallplate for appearance only 2 Use a pencil to mark the mounting holes 3 Remove the wallplate from the wall and if drywall drill two holes in the wall as marked For firmer material such as plaster drill two holes Gently tap anchors provided into the drilled holes until flush with the wall 4 Position the wallplate over the holes pulling wires through the wiring opening See Fig 6 5 Insert...

Страница 18: ...EWT 3102 EWT 3103 Touchscreen Programmable Thermostat Fig 6 Mounting wallplate 17 WALL WIRES THROUGH WALL AND WIRE SLOT WALL ANCHORS M0UNTING HOLES 2 M0UNTING SCREWS 2 ...

Страница 19: ... selected see Table 1 See Table 2 for terminal designation descriptions Insert wires in the terminal block under the loosened screw See Fig 8 3 Securely tighten each screw 4 Push excess wire back into the hole 5 Plug the hole with nonflammable insulation to prevent drafts from affecting the thermostat 6 See Fig 9 through 21 for typical wiring hookups Fig 7 Selecting terminal identifications for sy...

Страница 20: ... Cool Conventional 9 10 Heat Only Conventional 11 Heat Only with Fan Conventional 12 Heat Only Series 20 Power to open and power to close zone valves Conventional 13 Normally Open Zone Valves Heat Only Conventional 14 Cool Only Conventional 15 Standard Multistage up to 2 Heat 2 Cool Conventional 16 17 Heat Pump with No Auxiliary Heat Heat Pump 18 19 Heat Pump with Auxiliary Heat Heat Pump 20 21 19...

Страница 21: ...EWT 3102 EWT 3103 Touchscreen Programmable Thermostat IMPORTANT Use 18 gauge thermostat wires Fig 8 Inserting wires in terminal block 20 ...

Страница 22: ...Emergency heat relay for heat pump systems L see note 4 Equipment monitor for heat pump systems S1 S2 Optional outdoor or indoor remote sensor NOTES 1 When used in a single transformer system leave metal jumper wire in place between RC and R If used on a two transformer system remove metal jumper wire between RC and R 2 Common wire is optional when thermostat is used with batteries 3 If thermostat...

Страница 23: ...INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 9 Typical hookup of conventional single stage heat and cool system with single transformer 1H 1C conventional 22 CONVENTIONAL S1 S2 C R RC W W2 Y2 Y G OUTDOOR INDOOR TEMPERATURE SENSOR 3 COMPRESSOR CONTACTOR OPTIONAL 24VAC COMMON CONNECTION R C 1 2 FAN RELAY HEAT RELAY ...

Страница 24: ...ENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 10 Typical hookup of conventional single stage heat and cool system with two transformers 1H 1C conventional 23 CONVENTIONAL S1 S2 C R RC W W2 Y2 Y G OUTDOOR INDOOR TEMPERATURE SENSOR 2 R C 1 FAN RELAY HEAT RELAY R C 1 COMPRESSOR CONTACTOR OPTIONAL 24VAC COMMON CONNECTION ...

Страница 25: ...TORY INSTALLED JUMPER 3 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 11 Typical hookup of heat only system 1H conventional 24 CONVENTIONAL S1 S2 C R RC W W2 Y2 Y G OUTDOOR INDOOR TEMPERATURE SENSOR 3 HEAT RELAY OPTIONAL 24VAC COMMON CONNECTION C R 1 2 ...

Страница 26: ...LLED JUMPER 3 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 12 Typical hookup of heat only system with fan 1H conventional 25 CONVENTIONAL S1 S2 C R RC W W2 Y2 Y G OUTDOOR INDOOR TEMPERATURE SENSOR 3 HEAT RELAY OPTIONAL 24VAC COMMON CONNECTION R C 1 2 FAN RELAY ...

Страница 27: ...UMPER 3 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 13 Typical hookup of heat only power to open and power to close zone valve Series 20 system 26 OUTDOOR INDOOR TEMPERATURE SENSOR 3 R C 1 2 W B R TR TR SERIES 20 MOTOR OR VALVE CONVENTIONAL S1 S2 C R RC W W2 Y2 Y G ...

Страница 28: ...UMPER 3 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 14 Typical hookup of heat only system with normally open zone valves 27 CONVENTIONAL S1 S2 C R RC W W2 Y2 Y G OUTDOOR INDOOR TEMPERATURE SENSOR 3 NORMALLY OPEN ZONE VALVE OPTIONAL 24VAC COMMON CONNECTION R C 1 2 4 ...

Страница 29: ...LLED JUMPER 3 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 15 Typical hookup of cool only system 1C conventional 28 CONVENTIONAL S1 S2 C R RC W W2 Y2 Y G OUTDOOR INDOOR TEMPERATURE SENSOR 3 COMPRESSOR CONTACTOR OPTIONAL 24VAC COMMON CONNECTION R C 1 2 FAN RELAY ...

Страница 30: ...IRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 16 Typical hookup of conventional multistage two stage heating and two stage cooling in a single transformer system 2H 2C 2H 1C or 1H 2C conventional 29 S1 S2 C R RC W W2 Y2 Y G OUTDOOR INDOOR TEMPERATURE SENSOR 3 OPTIONAL 24VAC COMMON CONNECTION MUST COME FROM THE COOLING TRANSFORMER 2 FAN RELAY HEAT RELAY 1 HEAT RELAY 2 COOL RELAY 2 C...

Страница 31: ... A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 17 Typical hookup of conventional multistage two stage heating and two stage cooling in a two transformer system 2H 2C 2H 1C or1H 2C conventional 30 CONVENTIONAL S1 S2 C R RC W W2 Y2 Y G OUTDOOR INDOOR TEMPERATURE SENSOR 2 OPTIONAL 24VAC COMMON CONNECTION MUST COME FROM THE COOLING TRANSFORMER R C 1 FAN RELAY HEAT RELAY 1 HEAT RELAY 2 COOL RELAY 2 CO...

Страница 32: ... SETUP 4 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 18 Typical hookup of single stage heat pump with no auxiliary backup heat 1H 1C heat pump 31 HEAT PUMP S1 S2 C R RC W W2 Y2 Y G S1 S2 C R RC E L Y2 Y G O BAUX OUTDOOR INDOOR TEMPERATURE SENSOR 4 2 R C 1 CHANGEOVER VALVE COMPRESSOR RELAY FAN RELAY OPTIONAL 24VA...

Страница 33: ... FOR MORE INFORMATION 4 O B TERMINAL SET TO CONTROL AS EITHER O OR B IN THE INSTALLER SETUP 5 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR AVAILABLE ON SELECT MODELS WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 19 Typical hookup of multistage heat pump with no auxiliary backup heat 2H 2C heat pump 32 HEATPUMP S1 S2 C R RC WW2 Y2 Y G S1 S2 C R RCE L Y2 Y G O BAUX OUTDOOR INDOOR TEMPER...

Страница 34: ...AT CABLE 5 MUST CONNECT THE 24 VAC COMMON WHEN USING L THE TERMINAL IS SHOWN AS EQUIPMENT MONITOR CAN ALSO BE USED AS A 24 VAC OUTPUT SEE HEAT PUMP SECTION ON PAGE 90 6 O B TERMINAL SET TO CONTROL AS EITHER O OR B IN THE INSTALLER SETUP Fig 20 Typical hookup of single stage heat pump with auxiliary backup heat 2H 1C heat pump 33 3 4 HEAT PUMP S1 S2 C R RC W W2 Y2 Y G S1 S2 C R RC E L Y2 Y G O BAUX...

Страница 35: ...ABLE 5 MUST CONNECT THE 24 VAC COMMON WHEN USING L THE TERMINAL IS SHOWN AS EQUIPMENT MONITOR CAN ALSO BE USED AS A 24 VAC OUTPUT SEE HEAT PUMP SECTION ON PAGE 90 6 O B TERMINAL SET TO CONTROL AS EITHER O OR B IN THE INSTALLER SETUP Fig 21 Typical hookup of multistage heat pump with auxiliary backup heat 3H 2C heat pump 34 3 4 HEAT PUMP S1 S2 C R RC W W2 Y2 Y G S1 S2 C R RC E L Y2 Y G O B AUX OUTD...

Страница 36: ...er System Connect the common side of the transformer to the C screw terminal of the thermostat wallplate Leave the metal jumper wire in place between RC and R Two Transformer System Connect power side of Cooling transformer to RC terminal Remove factory installed jumper Connect common side of COOLING transformer to the compressor contactor relay etc Connect power side of HEATING transformer to the...

Страница 37: ...Installing Batteries 1 Install Two AA alkaline batteries on the back of the thermostat as marked on the thermostat See Fig 22 Fig 22 Installing batteries 2 Locate and remove the tab See Fig 23 Fig 23 Remove tab on thermostat back 36 BATTERIES 2 REMOVE TAB ...

Страница 38: ...to Wallplate 1 Align the terminal screw blocks with the pins on the back of the thermostat Push the thermostat straight onto the wallplate until it snaps into place See Fig 24 Fig 24 Mount thermostat to wallplate 37 WALLPLATE TERMINAL SCREW BLOCK PINS ON BACK OF THERMOSTAT ...

Страница 39: ...ace wire distance between sensor and thermostat should be 65 61 ft 20m Do not mount the sensor in direct sunlight where hot or cold air blows on the sensor Discharge line from an outdoor compressor unit vent or fan causes inaccurate temperature readings where snow ice or debris can cover it Use the following steps to mount the sensor 1 Remove the sensor from the mounting clip 2 Mark the area on th...

Страница 40: ...EWT 3102 EWT 3103 Touchscreen Programmable Thermostat Fig 25 Typical locations for OAS 1 Outdoor Sensor 39 ...

Страница 41: ...lighting ballasts and large power distribution panels Use shielded cable to reduce interference when rerouting is not possible IMPORTANT Erratic temperature readings from a sensor can occur as a result of any of the wiring practices that are not to local and national electrical standards Avoid these practices to assure correct operation Use shielded cable to reduce interference if rerouting sensor...

Страница 42: ...trical Shock Hazard Can cause electrical shock or equipment damage Disconnect power supply before connecting wiring Wiring must comply with applicable codes ordinances and regulations 1 Wire Outdoor Sensor to S1and S2 terminals on the thermostat If leadwire provided is not long enough you need an extra cable to reach the hole at location a Using color coded 18 gauge thermostat wire is recommended ...

Страница 43: ...een Programmable Thermostat 1 USE APPROPRIATE MOUNTING MEANS FOR THE TYPE OF STRUCTURE 2 PLUG WIRING HOLE WITH NON HARDENING CAULK OR PUTTY Fig 26 Wire Outdoor Sensor to the thermostat 42 1 2 WIRING HOLE THROUGH STRUCTURE OAS 01 ...

Страница 44: ... sensor measurements See Fig 27 Hot areas caused by a Concealed pipes or ducts b Drafts from fireplaces or other heat sources c Convection or radiant heat from the sun or electrical equipment Cold areas caused by a Concealed pipes or ducts b Drafts from windows and doors Unheated areas on the other side of the wall location Dead air areas a Behind doors furniture and curtains b In corners and alco...

Страница 45: ...EWT 3102 EWT 3103 Touchscreen Programmable Thermostat 44 Fig 27 Typical location for Indoor Sensor 5FEET 1 5METERS ...

Страница 46: ...on panels IMPORTANT Erratic temperature readings from a sensor can occur as a result of any of the wiring practices described below Avoid these practices to assure correct operation Be sure wires have a separate cable from the thermostat cable Do not route temperature sensor wiring with building power wiring next to control contactors or near light dimming circuits electric motors or welding equip...

Страница 47: ...minals on the thermostat For an example of general wiring of IAS 1 see Fig 28 to wire one sensor and 29 to wire multiple sensors 2 Push excess wire back into the hole Plug the hole using non hardening caulk putty or insulation to prevent drafts from affecting performance 3 Remove IAS 1 sensor cover 4 Mount IAS 1 to the wall or junction box using the screws and anchors provided 5 Level the IAS 1 fo...

Страница 48: ...VE A CABLE SEPARATE FROM THE THERMOSTAT CABLE Fig 28 Wiring a single Indoor Sensor 47 Fig 29 Wiring Multiple Sensors 1 SENSORS MUST BE ARRANGED IN THIS CONFIGURATION TO OPERATE CORRECTLY 2 WIRES MUST HAVE A CABLE SEPARATE FROM THERMOSTAT CABLE R C 1 2 IAS 01 3 S1 S2 C R RC W W2 Y2 Y G S1 S2 C R RC IAS 01 1 2 S1 S2 C R RC 1 2 IAS 01 IAS 01 IAS 01 IAS 01 IAS 01 IAS 01 IAS 01 IAS 01 IAS 01 IAS 01 IAS...

Страница 49: ...taller Setup 1 Press and release the System Key 2 Press the two blank keys on either side of the center blank key for approximately five seconds until screen changes 48 Room Set To SYSTEM TUE AM COOL DONE CANCEL OFF HEAT Room Running As SCHED Set To SYSTEM MORE SCHED HOLD CLOCK SCREEN AUTO FAN TUE AM AUTO ...

Страница 50: ... 4 See screen below to review how the thermostat keys are used during Installer Setup See Tables 3 5 for the Installer Setup Numbers and Settings 5 Press the Done key to exit the Installer Setup screen 49 DONE DONE INSTALLER SETUP NUMBER ADVANCE TO NEXT INSTALLER SETUP CURRENT SETTING CHANGE THE CURRENT SETTING PRESS TO EXIT INSTALLER SETUP ...

Страница 51: ... reprogrammed 0170 System Type Selection 1 1 heat 1 cool conventional factory setting 2 single stage heat pump no auxiliary heat 3 heat only conventional no fan Also for 750mV 4 heat only conventional with fan 5 heat only power to open and power to close zone valves or normally open zone valves 6 cool only conventional 7 2 heat 1 cool heat pump with auxiliary heat 8 2 heat 2 cool multistage conven...

Страница 52: ... source is electric factory setting 1 heat pump backup heat source is fossil fuel Only shown if 2 heat 1 cool or 3 heat 2 cool heat pump is chosen 0210 External Fuel Fossil Fuel Kit 0 no external fossil fuel kit is controlling heat pump backup heat This thermostat controls the dual fuel Must install outdoor sensor and set Installer Setup Number 0340 to number 2 1 external fossil fuel kit is contro...

Страница 53: ...Aux Heat for 2H 1C Heat Pumps 1 1 cph used for steam and gravity 3 3 cph for hot water systems and high efficiency 90 or better furnaces 5 5 cph for standard fossil fuel forced air less than 90 efficient systems factory setting 9 9 cph used for electric furnaces or electric auxiliary heat for heat pump systems 2 4 6 7 8 10 11 12other cycle rate settings Only shown if two stages of heat are selecte...

Страница 54: ...mps Only shown if 2H 1C or 3H 2C heat pump is selected 0280 Backlight 0 Backlight function disable 1 Backlight function enable 0300 Changeover 0 manual changeover factory setting 1 auto changeover 0310 Deadband Heating and cooling set points can be set no closer than chosen value 2 2 F 1 5 C 3 3 F 2 C 4 4 F 2 5 C 5 5 F 3 C 6 6 F 3 5 C 7 7 F 4 C 8 8 F 4 5 C 9 9 F 5 C Shown only if automatic changeo...

Страница 55: ...ure sensor for display only 2 outdoor temperature sensor for control Outdoor sensor used for Heat Pump Lockout settings See Heat Pump Temperature Lockout section for more details 3 indoor temperature sensor Defaults and Options depend on System Type selection Indoor Temperature Sensor uses an averaging network and does not include on board sensor 0350 Heat Pump Compressor Lockout or Balance Point ...

Страница 56: ...ected See Advanced Features section for more information 0380 Indoor Dehumidification Control 0 No indoor dehumidification control 1 Dehumidification control activated Available on select models If dehumidification control is activated and auto changeover is selected in Installer Setup Number 0300 the deadband minimum is defaulted to 5 F 3 C in Number 0310 0500 Filter Change Reminder 0 furnace fil...

Страница 57: ... recovery at programmed time 0540 Number of Periods 2 two periods available Wake and Sleep 4 four periods available Wake Leave Return and Sleep Not shown if non programmable is selected 2 or 4 applies to all days of the week When it is changed the schedule needs to be reprogrammed 0580 Minimum Compressor Off Time 5 five minute compressor off time setting factory setting 0 2 3 4 other compressor of...

Страница 58: ... in Heat Only Systems 0670 Keypad Lockout 0 unlocked keypad 1 partially locked keypad 2 fully locked keypad Unlocked all functions are available Partially locked only Temperature up and down keys and ability to enter and modify Installer Setup mode are available Fully locked only ability to enter and modify Installer Setup mode are available 0680 Temperature Control in Heat 1 less aggressive tempe...

Страница 59: ... cause temperature overshoot Applies to recovery ramp Choose 1 if getting temperature overshoot Choose 3 if getting temperature undershoot 0700 Temperature Display Offset 3 F 1 5 C 2 F 1 C 1 F 5 C 0 F 0 C no difference in displayed temperature and actual room temperature 1 F 5 C 2 F 1 C 3 F 1 5 C 0710 Reset Thermostat 0 no thermostat reset 1 resets all Installer Setup Options to default values and...

Страница 60: ...ng Installer System Test Avoid cycling compressor quickly 59 How to Use the Installer System Test The Installer Test is part of the Installer Setup Menu 1 Enter the Installer System Test by entering the Installer Setup 2 Note that the test appears at the end of the Installer Setup Numbers 3 See Fig 30 to review how the thermostat buttons are used during the Installer System Test See Table 6 for av...

Страница 61: ... Fig 30 Review thermostat buttons used during Installer System Test DONE DOWN ARROW TURNS THE SYSTER OFF DONE KEY EXITS INSTALLER SYSTEM TEST UP ARROW TURNS THE SYSTER ON SYSTEM STAUS NUMBER SYSTEM TEST NUMBER UP ARROW KEY ADVANCES TO NEXT SYSTEM TEST NUMBER ...

Страница 62: ...ool stage 1 and stage 2 turn on 0 Cool is off Test 2 Fan System Test 1 Fan turns on 0 Fan turns off Test 3 Heating System Test 1 Heat stage 1 and stage 2 aux heat turn on 0 Heat is off Test 4 Emergency Heat Test 1 Emergency heat and L turn on 0 Emergency heat and L turns off Press the Next button to go to the beginning of the Installer Setup or press the Done button to exit the Installer System Te...

Страница 63: ...F VACATION DAYS REMAINING INSIDE TEMPERATURE SHOWS THE CURRENT INSIDE TEMPERATURE SET TO TEMPERATURE SHOWS THE CURRENT SET TEMPERATURE Running As SCHED Room Running As SCHED Set To SYSTEM COOL MORE SCHED HOLD CLOCK SCREEN AUTO FAN TUE AM FAN SELECTS ON AUTO CIRC UP ARROW RAISES TEMPERATURE SETTING MORE SHOWS ADDITIONAL ACCESSORY AND MAINTENANCE OPTIONS HOLD SETS A PERMANENT HOLD AND ACTIVITIES VAC...

Страница 64: ...cles to maintain temperature Compressor is locked out used only for 2H 1C or 3H 2C heat pump systems and auxiliary heat turns on as second stage if needed Fan The Fan key selections vary based on the heating and or cooling system type On Fan runs continuously Use this setting for improved air circulation or for more efficient central air cleaning Auto Fan follows the fan program schedule Circ Fan ...

Страница 65: ... to enter the User Setup 1 Press and release the System key 2 Press the center blank key for approximately five seconds until the screen changes 64 Room Running As SCHED Set To SYSTEM MORE SCHED HOLD CLOCK SCREEN AUTO FAN TUE AM AUTO Room Set To SYSTEM COOL TUE AM HEAT OFF CANCEL DONE ...

Страница 66: ... below 4 See the screen below to review how the thermostat keys are used during the User Setup See Table 5 for the User Setup numbers and settings 5 Press the Done key to exit the User Setup screen 65 DONE DONE INSTALLER SETUP NUMBER ADVANCE TO NEXT INSTALLER SETUP CURRENT SETTING CHANGE THE CURRENT SETTING PRESS TO EXIT INSTALLER SETUP ...

Страница 67: ...ng when it is changed the schedule needs to be reprogrammed 0320 Display temperature in F or C 0 F setting factory setting 1 C setting 0330 Daylight savings time 1 Daylight saving function is enable 0 Daylight saving function is disable 0500 Furnace air filter 0 off factory setting 1 10 fan run time days about one month 2 30 fan run time days about three months 3 60 fan run time days about six mon...

Страница 68: ...r 0540 Number of schedule periods available 2 two Wake and Sleep 4 four Wake Leave Return Sleep factory setting 0640 Clock format 12 12 hour clock factory setting 24 24 hour clock 0670 Screen lockout 0 all keys available screen is unlocked factory setting 1 screen is partially locked All key functions locked except Temperature Up and Down keys and Cancel key 2 screen is fully locked 67 ...

Страница 69: ...uto Day 8 00AM 60 F 16 C 85 F 29 C Auto Evening 4 00PM 68 F 20 C 78 F 26 C Auto Sleep 10 00PM 60 F 16 C 82 F 28 C Auto Program Heating and Cooling Schedule Your thermostat can control up to four different schedule periods per day Wake Period when you awaken and want your home at a comfortable temperature Day Period when you are away from home and want an energy saving temperature Evening Period wh...

Страница 70: ...Y key to review the programs to see that the settings are compatible with your lifestyle 69 MON TUE WED THU FRI AM HEAT CANCEL SLEEP WAKE DAY EVENING DONE AUTO FAN CANCEL PERIOD COOL EDIT AUTO PROG MON TUE WED THU FRI AM HEAT CANCEL SLEEP WAKE DAY EVENING DONE AUTO FAN CANCEL PERIOD COOL EDIT AUTO PROG ...

Страница 71: ...ke key Once pressed Wake flashes to show it is selected Same as the other schedule 5 Press Up and Down keys to modify time and heat and cool temperatures from this screen 70 NOTE The Fan setting can be programmed for On Auto or Circ for each period selected See Fan Schedule section for more information MON TUE WED THU FRI CANCEL SLEEP WAKE DAY EVENING DONE MON TUE WED THU FRI AM HEAT CANCEL SLEEP ...

Страница 72: ...hes 5 Press Cancel Period key NOTE To set a Program Schedule for the remaining days of the week repeat steps 1 9 Example If Mon Fri Was selected first go back and Repeat steps 1 6 for Sat and Sun 6 The time temperature s and fan setting disappear The bar above the selected period is removed indicating the scheduled period was cancelled NOTE To reinstate a schedule period press arrow keys to set de...

Страница 73: ...le for all scheduled periods Fan Schedule Press Fan key while in the Scheduling Screen to program the System Fan Choices available from the Scheduling Screen Auto default position Fan runs with equipment Programmable for all schedule periods Wake Leave Return and Sleep 72 MON TUE WED THU FRI HEAT CANCEL SLEEP WAKE DAY EVENING DONE AUTO FAN CANCEL PERIOD COOL MONTUE WEDTHUFRI AM HEAT CANCEL SLEEP W...

Страница 74: ...hoices are Auto On or Circulate On Fan runs randomly for approximately 35 of schedule period when there is no call for cooling or heating Circ Fan circulates randomly for approximately 35 of time When the program reaches to next schedule the fan will run as the setting in the period Operate EWT 3102 EWT 3103 Touchscreen Set Time 1 Press Clock 2 Use arrows to set current 73 CANCEL DONE AM ...

Страница 75: ...emperature temporarily until the next scheduled period time or until the time the user sets 1 Press Up or Down arrow next to the temperature you want to adjust Hold Temperature Until time appears on the screen The Hold Temperature Until time defaults to the start time of the next scheduled period 2 Press Up or Down arrow next to the Time key to set desired time for the thermostat to resume 3 Press...

Страница 76: ... shows Hold Temperature Until one day 3 Press Up and Down arrow keys to change the number of Days you desire thermostat to override the schedule NOTE Days Up and Down arrows appear for approximately seven seconds Pressing just below Hold Temperature Until on the screen allows the Days Up and Down arrows to reappear 4 To cancel the Vacation Hold override early press the Cancel key NOTE When the num...

Страница 77: ... Clean Thermostat Screen The thermostat has a touch screen interaction Follow these steps to clean the screen without making thermostat changes 1 Press the Screen key Thermostat locks out all touch keys for 30 seconds to allow for cleaning 76 CLEAN SCREEN ...

Страница 78: ...f using household glass cleaner Spray cleaner on cloth Then use a cloth to clean the thermostat screen 4 Press the Done key to return to the Home Screen and normal operation Replace Batteries 1 When the Battery indicator is flashing replace the batteries promptly with two fresh AA alkaline batteries 2 Remove thermostat from the wallplate by pulling straight out 3 Remove the old batteries and inser...

Страница 79: ...ammable Thermostat 4 Align the screw blocks with the pins on the back of the thermostat 5 Push the thermostat straight onto the wallplate until it snaps into place 78 BATTERIES 2 WALLPLATE TERMINAL SCREW BLOCK PINS ON BACK OF THERMOSTAT ...

Страница 80: ...tes Screen Locked for 5 to 7 seconds whenever the user attempts to press a key that is locked Pressing a locked key while Screen Locked is shown flashes Screen Locked on the screen In this mode all keys are locked except the Temperature Up and Down arrow keys User can change temperature up or down but cannot change schedule settings Temporary temperature change lasts until next scheduled period an...

Страница 81: ...ermostat displays the outside temperature in the lower right corner of the Home Screen If thermostat is set to Auto Changeover System mode press the More key until the outside temperature is shown on the screen 80 CANCEL DONE Outside TUE AM Room Running As SCHED Set To SYSTEM HEAT MORE SCHED HOLD CLOCK SCREEN AUTO FAN Outside ...

Страница 82: ...r temperature sensor is used the screen showing the Inside temperature reading shows the temperature at the indoor remote sensor location The thermostat internal temperature sensor is not used MULTIPLE REMOTE INDOOR SENSORS INSTALLED OPTIONAL If more than one remote indoor sensor is used the screen showing inside temperature reading shows the average of all the remote indoor sensors The thermostat...

Страница 83: ... is counting that time against the number of days selected The remaining run time days can be viewed by pressing the More key the remaining days can be edited using the More key or from the Installer Setup To view or reset the reminder before it expires follow these steps using the More key 1 Press the More key until the filter reminder appears on the screen This is the number of fan run time days...

Страница 84: ...ammable Thermostat 2 Press the Edit key 3 Use the Up and Down keys to change the number of run time days 4 Press the Done key to go back to the viewing screen 83 CANCEL DONE DAYS FILTER RESET MORE EDIT CANCEL DONE DAYS FILTER RESET MORE ...

Страница 85: ...EWT 3103 Touchscreen Programmable Thermostat 5 Press the Reset key to activate the new number of days selected in the previous screen 6 Press the Done key to return to the Home Screen 84 CANCEL DONE DAYS FILTER ...

Страница 86: ...ey 3 Use the Up and Down keys to change the number of calendar days 4 Press the Done key to go back to the viewing screen 5 Press the Reset key to activate the new number of days selected in the previous screen 6 Press the Done key to return to the Home Screen UV Lamp Reminder The UV Lamp change reminder must be turned on from the Installer Setup Once expired the screen flashes Change UV Lamp and ...

Страница 87: ...xample get up at 6 00 AM and want the temperature to be 70 F Set the Wake period for 6 00 AM and 70 F The thermostat then turns on the heat before 6 00 AM to raise the temperature to 70 F by 6 00 AM The thermostat alerts that the heating or cooling system is coming on before a scheduled time by showing Recovery on the screen NOTE It takes about a week for the thermostat to adjust to local weather ...

Страница 88: ...er a shutdown The minimum off timer is activated after the compressor turns off If there is a call during the minimum off timer the thermostat shows wait in the display When the minimum off timer expires Cool On or Heat Ona appears solidly in the display and the compressor and fan turn on aHeat Pumps only 87 Room Running As SCHED Set To SYSTEM COOL MORE SCHED HOLD CLOCK SCREEN AUTO FAN PM WED Wait...

Страница 89: ...home The humidity level in the home is shown in the lower right corner of the Home Screen If thermostat is set to Auto Changeover System mode press the more key until the humidity level is shown on the screen 88 THU Room Running As SCHED Set To SYSTEM COOL MORE SCHED HOLD CLOCK SCREEN AUTO FAN Humidity PM Humidity CANCEL DONE ...

Страница 90: ...in the summer 3 Press Done key Dehumidification Droop Control The dehumidification control attempts to control to the user s humidity set point by turning on the air conditioner In extremely high humidity conditions the thermostat keeps the air conditioner running energizing Y and G for up to 3 F below the temperature set point It does this while trying to achieve the desired humidity set point an...

Страница 91: ...t Pump Emergency Heat LCD Indication Requires 24 VAC Common Connection The thermostat indicates E5 indicator when the thermostat is in the Emergency Heat mode The E5 is located in the LCD screen of the thermostat It is visible only when on When the thermostat is in the Emer system mode the L terminal is continuously energized and the E5 is displayed Heat Pump Temperature Lockouts Dual Fuel Heat Pu...

Страница 92: ...taller Setup Number 0350 OPERATION IN HEAT MODE ABOVE BALANCE POINT OUTDOOR TEMPERATURE When the outdoor temperature is above the selected Balance Point Temperature ISU 0350 only the compressor operates and the fan G terminal energizes when the thermostat calls for heat See Fig 32 BALANCE POINT OUTDOOR TEMPERATURE COMPRESSOR ONLY FOSSIL FUEL ONLY Fig 32 Dual Fuel Heat Pump Operation in Heat mode w...

Страница 93: ...urce of non compressor heat and the E terminal is jumped to the Aux terminal Heat Pump with Electric Auxiliary Backup Heat and Outdoor Temperature Sensor 1 Choose correct heat pump application in Installer Setup Number 0170 2 Choose Electric as Auxiliary Backup Heat Source in Installer Setup Number 0200 3 Choose Outdoor Temperature Sensor for Control Option in Installer Setup Number 0340 4 Choose ...

Страница 94: ...or and Auxiliary Heat operate Operation in Emergency Heat Mode Once the thermostat is placed into the Emergency Heat mode the compressor and auxiliary lockout features are turned off In the Emergency heat mode the compressor is locked out The first stage of heat is whatever is connected to the E terminal The second stage of heat is connected to the Aux terminal Usually the emergency and auxiliary ...

Страница 95: ... None None Heat or Auto Auto Stage 1 Heating W G a Heat On Heat or Auto Auto Stage 1 and Stage 2 Heating W W2 c G a Heat On aG energizes only if Installer Setup number 0180 is set to Electric bIf Installer Setup System type is set to two stages of cooling cIf Installer Setup System type is set to two stages of heating Table 8 Sequence of Operation for Power Open and Power Closed Valves or Normally...

Страница 96: ...and Stage 2 Heating Y AUX c G O B a Aux Heat On Heat or Auto Auto Stage 1 2 and 3 Heating Y Y2 d AUX e G O B a Aux Heat On Em Heat Auto None L O B a None Em Heat Auto Stage 1 Heating E G L O B a Heat On Em Heat Auto Stage 1 and Stage 2 Heating E AUX G L O B a Aux Heat On aConfigure O B in Installer Setup Based on last piece of equipment called cooling O or heating B cIf Installer Setup System Type...

Страница 97: ...ient temperature to a resistance that the thermostat can interpret The sensor has a negative temperature coefficient NTC which means that resistance decreases as the temperature increases Checkout With an accurate thermometer 1 F 0 5 C measure the temperature at the sensor location allowing time for the thermometer to stabilize before reading Calibration The Outdoor Sensor is calibrated at the fac...

Страница 98: ...means that resistance decreases as the temperature increases The sensor can be used to provide one remote sensor input see Fig 28 or as a temperature averaging network with multiple Sensors connected as shown in Fig 29 Checkout For best results allow Wall Mount Temperature Sensor to absorb the air moving through the room for a minimum of twenty minutes before taking a resistance measurement With a...

Страница 99: ...y locked Check Installer Setup Number 0670 to change keypad locked options Heating or cooling does not come on Thermostat minimum off time is activated Wait up to five minutes for the system to respond System selection is not set to Heat or Cool Set system Selection to correct position System type Selection is incorrect Check Installer Setup Number 0170 and make sure correct System type is chosen ...

Страница 100: ... find the cause of the problem Loose or broken wire connection between thermostat and heating equipment Check for 24 VAC between the heat terminal W and transformer common If voltage is not present check wire connection loose or broken between the thermostat and the heating equipment Cooling does not turn on Cool On is solid in the display Cooling equipment failure Check for 24 VAC at the equipmen...

Страница 101: ... Installer Setup Number 0190 to match the changeover required by the installed heat pump Both the heating and cooling equipment are running at the same time The heating equipment is not a heat pump but the System Type Installer Setup Number 0170 is set to Heat Pump Set System Type Installer Setup Number 0170 to match the installed heating and or cooling equipment Heating and cooling wires are shor...

Страница 102: ... in the display System setting is not set to Heat and or temperature setting is not set above room temperature Set the system setting to Heat and set the temperature setting above the room temperature Cool On is not in the display System setting is not set to Cool and or the temperature setting is not set below room temperature Set the system setting to Cool and set the temperature setting below t...

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