Robertshaw RS10420T Installation Manual Download Page 10 | Manualshive

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WIRING DIAGRAMS

8

Power supply
Factory-installed jumper. Remove only when installing on

2-transformer systems
Use either O or B terminals for reversing valve
24 VAC common connection

Typical 2H/2C System: 1 Transformer

COMPRESSOR

RELAY

COMPRESSOR

RELAY 2

HEAT RELAY

FAN RELAY

(HOT)

HEAT RELAY 2

COMPRESSOR

RELAY

(HOT)

FAN RELAY

Typical Cool-Only System With Fan

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Summary of Contents for RS10420T

Page 1: ...RS10420T Installation Manual ...

Page 2: ......

Page 3: ...lt Heating Systems INSTALLATION MANUAL 1 IMPORTANT SAFETY INFORMATION WARNING Always turn off power at the main power source by unscrewing fuse or switching circuit breaker to the off position before installing removing cleaning or servicing thermostat Read all of the information in this manual before installing or programming this thermostat This is a 24V AC low voltage thermostat Do not install ...

Page 4: ...play Range 32 F to 99 F 0 C to 40 C Temperature Control Range 41 F to 90 F 5 C to 32 C Load Rating 1 amp per terminal 1 5 amp maximum all terminals combined Differential Heating is adjustable from 0 2 to 2 0 Cooling is adjustable from 0 2 to 2 0 Power Source 18 to 30 VAC NEC Class II 50 60 Hz for hardwire Operating Ambient Temperature 32 F to 105 F 0 C to 41 C Operating Humidity 90 non condensing ...

Page 5: ...ution Electrical Hazard Disconnect power before installing this product Failure to do so can cause electric shock or equipment damage Mercury Notice This product is mercury free However if this product is replacing a control which contains mercury it needs to be disposed of properly Contact your local waste management authority for instructions regarding recycling and proper disposal of the contro...

Page 6: ...5 feet above the floor in an area with good air circulation and average temperature For new installations mount thermostat on an inside wall 4 5 feet above the floor Do not install the thermostat in the following locations Behind a Door In a Corner Near Air Vents In Direct Sunlight With an Outside Wall Behind the Thermostat Near any Heat or Steam Generating Fixtures Near any Concealed Pipes or Chi...

Page 7: ...ection 6 Programmable Time Periods Residential uses 4 time periods WAKE RETURN LEAVE and SLEEP 7 Program Menu Options Shows different options during programming Sun Mon Tue Wed Thu Fri Sat WAKE LEAVE RETURN SLEEP HOLD Auto On IAQ Technician Setup Next Step Set Time Clean Next Zone Set Schedule Hold Previous Step Run Schedule Menu Done Heat Off Cool Auto Em heat FAN SYSTEM Set At Sun Mon Tue Wed Th...

Page 8: ...s WIRING 6 Terminal Designations CONVENTIONAL HVAC Y1 Y2 W E W2 0 B HEAT PUMP COOL MODE STAGE 1 HEAT 1 COOL 1 HEAT 2 COOL 2 HEAT 2 AUX 1 HEAT 3 AUX 2 HEAT 3 AUX 2 HEAT 2 AUX 2 HEAT PUMP REVERSING VALVE ENERGIZED DURING COOLING HEAT PUMP REVERSING VALVE ENERGIZED DURING HEATING HEAT 3 EMHEAT HEAT 4 EMHEAT AUX 1 AUX 1 HEAT 2 COOL 2 HEAT 2 COOL 2 1H 1C 2H 1C 3H 1C 2H 2C 3H 2C 4H 2C COOL MODE STAGE 2 ...

Page 9: ...rgency heat relay a jumper can be installed between E and W2 to turn thermostat into a single stage control for Emergency Heat Operation Float Switches A float switch or similar device which breaks the control wire Y not the power R should be installed Interrupting the power circuit will shut off the power to the thermostat completely and stop it from operating ...

Page 10: ...alling on 2 transformer systems Use either O or B terminals for reversing valve 24 VAC common connection Typical 2H 2C System 1 Transformer COMPRESSOR RELAY COMPRESSOR RELAY 2 HEAT RELAY FAN RELAY HOT HEAT RELAY 2 COMPRESSOR RELAY HOT FAN RELAY Typical Cool Only System With Fan ...

Page 11: ...WIRING DIAGRAMS 9 Typical Heat Only System With Fan In many systems with no emergency heat relay a jumper can be installed between E and W2 Note FAN RELAY HEAT RELAY HOT ...

Page 12: ...FAN RELAY EMERGENCY HEAT RELAY COMPRESSOR RELAY COMPRESSOR RELAY 2 COOL REVERSING VALVE HEAT REVERSING VALVE AUXILIARY HEAT RELAY HOT Typical 2H 2C System 2 Transformers COMPRESSOR RELAY FAN RELAY HEAT RELAY HEAT RELAY 2 COMPRESSOR RELAY 2 REMOVE JUMPER HOT HOT ...

Page 13: ...will flash FILT in the display after the elapsed run time to remind the user to change the filter The OFF setting will disable this feature The filter change reminder can be adjusted from OFF to 2000 hours in 50 hour increments Press the second button from the top left side of the thermostat to display the current filter elapsed run time OFF Room Temperature Calibration This setting allows the ins...

Page 14: ...sor Short Cycle Delay The compressor short cycle delay setting will not allow the compres sor to be turned on for 5 minutes after it was last turned off in order to protect the compressor The compressor short cycle delay setting can be removed by selecting OFF ON Cooling Differential The cooling differential is factory preset at 0 5 This means that whenever the room temperature heats by 0 5 full d...

Page 15: ...te a heat pump Use or to configure the setting OFF for conventional systems and ON for heat pump systems OFF System Switch The system switch can be config ured for the particular application Heat Off Cool Heat Off Cool Off Heat Off Cool Auto Note Emergency Heat is available in heat pump mode only Use or until the desired application is flashing AUTO Auto Changeover OFF Stages of Heat and Cool If t...

Page 16: ...atisfying the call for cool OFF Heating Temperature Set Point Limit This setting establishes a maximum value above which the set point temperature value cannot be raised Use or to select the maximum heat temperature set point The maximum heat temperature set point is 90 F Range 44 F 90 F 90 Cooling Temperature Set Point Limit This setting establishes a maximum value above which the set point tempe...

Page 17: ...ing temperature to its programmed set point by the beginning of the WAKE time period Use or to turn ON or OFF ON Display Light The display light can be configured to come on when any key is pressed or to stay on all of the time AUTO Any key ON ON Always ON AUTO Contractor Call Number The thermostat allows installers to put their phone number in the display If selected ON the input screen will appe...

Page 18: ...If OFF is selected the beep will be silenced ON MACID This step shows the MAC address of WiFi module Firmware Version This step shows the version of firmware that is installed on the thermostat Press NEXT to move to next step Press DONE to exit Press and hold TECH to enter ADVANCED TECH STEPS Factory Default Reset This step resets all WiFi settings to factory default Press YES to reset ...

Page 19: ... the current mode has reached its temperature set point To switch out of Auto mode hold down System To return to Auto mode toggle the System key to Auto Reminders Once a Reminder has been turned on and set the elapsed time can be checked by navigating the Tech Setup step The time can be reset by pressing and holding the third button from the left for 3 seconds Resetting an expired Reminder can be ...

Page 20: ... Day of the week will be flashing Use or to select the current day of the week 4 Press NEXT 5 The current hour will be flashing Use or to select the current hour Note the correct a m or p m indicator is selected 6 Press NEXT 7 The minutes will be flashing Use or to select current minutes 8 Press DONE when completed ...

Page 21: ...f you want the fan to run continuously during this time period select ON with the FAN key 5 Press NEXT STEP 6 The set point temperature will be flashing Use or to make your set point selection for the WAKE time period for Monday Friday or Monday if in 7 Day mode 7 Press NEXT STEP 8 Repeat steps 4 through 7 for the LEAVE time period for the RETURN time period and for the SLEEP time period for Monda...

Page 22: ...C Sleep 10 p m 62 F 17 C 78 F 26 C Saturday Wake 8 a m 70 F 21 C 75 F 24 C Leave 10 a m 62 F 17 C 83 F 28 C Return 6 p m 70 F 21 C 75 F 24 C Sleep 11 p m 62 F 17 C 78 F 26 C Sunday Wake 8 a m 70 F 21 C 75 F 24 C Leave 10 a m 62 F 17 C 83 F 28 C Return 6 p m 70 F 21 C 75 F 24 C Sleep 11 p m 62 F 17 C 78 F 26 C Default Program This thermostat is pre programmed for energy saving operation The default...

Page 23: ...tshaw Thermostat App which is available for IOS and Android platforms Users can download the App from the Apple store or Google Play Use Phone to Scan for App Installation Instructions Use Phone to Scan for App Installation Instructions SETTING UP WIFI CONNECTION AND APP 21 ...

Page 24: ...1 800 445 8299 HVACCustomerService robertshaw com www robertshaw com 352 00301 001 6 Year Limited Warranty Use Phone to Scan for Warranty Info 352 00308 001 Rev B 2021 Robertshaw Controls Company Robertshaw is a trademark of Robertshaw Controls Company ...

Page 25: ...er programmed into the thermostat Bluetooth is not used Apple iOS is shown but is the same for Android set up and use When launching the app the first time tap Create Account Step 1 Complete the New Account fields Tap Sign up Step 2 Enter your name and add your image Step 3 Tap Add New Device at the bottom Step 4 Add Device RS10420T You can change your thermostat name later Technical Service 800 4...

Page 26: ...ries Step 5 Step 6 Step 7 Step 8 Make sure the RS10420T is turned on Tap Yes Tap Menu in the lower right Touch the Technician button for 3 5 seconds as shown Touch the Fan button for 3 5 seconds as shown Add Device RS10420T Technical Service 800 445 8299 ...

Page 27: ...10 Step 11 Step 12 Select your WiFi network and add password Tap Yes Go to phone settings and select the therm_ network Navigate back to app to continue configuration Make sure to allow ROBERTSHAW to access Local Network Add Device RS10420T Technical Service 800 445 8299 ...

Page 28: ...ick Set up Guide Android and Apple Platforms Pro Series Add Device RS10420T Step 13 Step 14 Wait for your phone to bind to thermostat After configuration is completed tap Ok Technical Service 800 445 8299 ...

Page 29: ... RS10420T displays the current temperature in green Tapping the active thermostat reveals settings seen in Step 4 Tap gear to see settings Technical Service 800 445 8299 Step 1 Step 2 Tap the three green dots to access settings or delete You can edit your device name here You must rename to connect to Amazon Alexa ...

Page 30: ...tep 6 Step 7 Step 8 Select Heat or Cool to adjust temperatures Tap the Fan icon on the bottom menu to select Fan mode Tap More icon on the bottom menu for More Settings Using Your Thermostat RS10420T Technical Service 800 445 8299 To select control mode tap Heat icon ...

Page 31: ...Android and Apple Platforms Pro Series Step 9 Step 10 Step 11 Tap Schedule then Heat Program wake leave return and sleep temperatures by the day Tap Cool to program cooling daypart temperatures by the day Tap Auto to program both heat and cool daypart temperatures by the day Using Your Thermostat RS10420T Technical Service 800 445 8299 ...

Page 32: ...ce 800 445 8299 1 Go to your Alexa App and login 2 Click More at bottom right corner 3 Choose Skills Games in the options bar 4 Type in Search Robertshaw 5 Press the Robertshaw option 6 In the search results click Enable to Use This will link your Robertshaw thermostat account 7 Enter your user name and password that you had previously registered with the Robertshaw app 8 When you see the connecte...

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