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INTRODUCTION

The 

UT32

 is a feature-rich touchscreen thermostat that can be battery powered or hardwired to the 

HVAC equipment. Using a common sense approach to the installation will ensure this product is 

installed properly and to the customer’s satisfaction. Please take time to read and understand this 

manual so that installation and testing is performed in an efficient manner.

This manual is to be used in conjunction with the supplied User Manual.

Although great care has been taken in the preparation of this manual, iO 

HVAC Controls

 takes

 

no responsibility for errors or omissions contained herein. It is the responsibility of the

 

installer to ensure that this thermostat and the equipment connected to it operate in a safe and

 

efficient manner.

Due to ongoing product improvements, iO 

HVAC Controls

 reserves the right to change the

 

specifications of the 

UT32

 thermostat or its components without notice.

All rights reserved.

© iO 

HVAC Controls

, LLC 2016.

Intellectual rights apply.

4

Содержание UT32

Страница 1: ..._J iO Titan Touchscreen Thermostat Mon Tw W d Thu Fli Sil Sun OumidtM T 11plnb q 88 885 ggo 88 8812088 I El u ao fl oo Fan 1 r Program Hold Mode O Day t2J CoDIZ Al AQOfF E _ Installation Manual L...

Страница 2: ...e Subbase 6 7 Terminal Designations 8 Setting the System Switches 9 System Switch Functions 10 Installing the Batteries 11 Typical System Wiring Diagrams 12 20 Heat only Gas 12 Heat only Electric 13 C...

Страница 3: ...electing Touchscreen Lock Options 27 Selecting the Cooling Setpoint Limit 28 Selecting the Heating Setpoint Limit 29 Selecting Back Light Option 30 Selecting Adaptive Recovery Option 31 Selecting Firs...

Страница 4: ...tallation 40 Temperature Resistance Chart 41 Display Functions 42 Testing 43 47 Fan Operation 43 Conventional Heating 43 Conventional Cooling 43 44 Conventional Heat Pump 44 Dual Fuel 45 Low Balance P...

Страница 5: ...l is to be used in conjunction with the supplied User Manual Although great care has been taken in the preparation of this manual iO HVAC Controls takes no responsibility for errors or omissions conta...

Страница 6: ...ks The steps required to install the UT32 thermostat are as follows 1 Read and understand this Installation Manual and User Manual 2 Mount and wire the subbase 3 Install the batteries 4 Set the 4 syst...

Страница 7: ...ce temperature Do not install the thermostat in an area where drafts are present near the floor behind doors or on an external wall Avoid placing the thermostat in areas where the air movement is limi...

Страница 8: ...erminal blocks Use a properly sized screwdriver and back each screw terminal out counter clockwise before landing each wire to its dedicated terminal Do not over tighten the terminal screws Check to e...

Страница 9: ...ensor SC Sensor Common S1 Indoor Sensor AUX Auxiliary Contacts W2 OB Second Stage Heat or Reversing Valve Y1 First Stage Cool or First Stage Compressor Y2 Second Stage Cool or Second Stage Compressor...

Страница 10: ...the thermostat printed circuit board Figure 3 The switches are used to match the thermostat operation and relay outputs with the HVAC system requirements Refer to the system switch functions on the ne...

Страница 11: ...t the switch to the ON position When Switch 1 is ON For O reversing valve set the switch to the OFF position factory default For B reversing valve set the switch to the ON position Switch 3 Equipment...

Страница 12: ...a power failure All other memory is non volatile in the event of battery or primary power loss Press in on the battery access compartment and slide the drawer out Install the two AA batteries matchin...

Страница 13: ...1 Heat Cool Switch 2 Equipment controls fan on call for heat OFF Switch 3 Single Stage OFF Switch 4 Leave OFF OFF 12 SC S1 Y1 Y2 W1 G R C FAN RELAY LINE 24 V W2 O B S2 OPTIONAL REMOTE SENSOR TERMINALS...

Страница 14: ...ch 1 Heat Cool Switch 2 Thermostat controls fan on call for heat ON Switch 3 Single Stage OFF Switch 4 Leave OFF OFF 13 SC S1 Y1 Y2 W1 G R C FAN RELAY LINE 24 V W2 O B S2 OPTIONAL REMOTE SENSOR TERMIN...

Страница 15: ...t Cool Switch 2 Fan energized on call for cooling OFF Switch 3 Single Stage Multi stage OFF ON OFF ON Switch 4 Leave OFF OFF 14 SC S1 Y1 Y2 W1 G R C FAN RELAY LINE 24 V W2 O B S2 OPTIONAL REMOTE SENSO...

Страница 16: ...Heat Cool Switch 2 Fan energized on call for cooling OFF Switch 3 Single Stage OFF Switch 4 Leave OFF OFF 15 SC S1 Y1 Y2 W1 G R C FAN RELAY LINE 24 V W2 O B S2 OPTIONAL REMOTE SENSOR TERMINALS THERMO...

Страница 17: ...witch 2 Fan energized on call for cooling OFF Switch 3 Multi stage ON Switch 4 Leave OFF OFF 16 SC S1 Y1 Y2 W1 G R C FAN RELAY LINE 24 V W2 O B S2 OPTIONAL REMOTE SENSOR TERMINALS THERMOSTAT EQUIPMENT...

Страница 18: ...witch 1 Heat Pump Switch 2 O B OFF ON OFF ON Switch 3 2 Heat 1 Cool HP OFF Switch 4 Leave OFF OFF 17 SC S1 Y1 Y2 W1 G R C FAN RELAY LINE 24 V W2 O B S2 OPTIONAL REMOTE SENSOR TERMINALS THERMOSTAT EQUI...

Страница 19: ...1 Heat Pump Switch 2 O B OFF ON OFF ON Switch 3 3 Heat 2 Cool HP ON Switch 4 Leave OFF OFF 18 SC S1 Y1 Y2 W1 G R C FAN RELAY LINE 24 V W2 O B S2 OPTIONAL REMOTE SENSOR TERMINALS THERMOSTAT EQUIPMENT O...

Страница 20: ...B Reversing Valve OFF ON OFF ON Switch 3 2 Heat 1Cool dual fuel OFF Switch 4 Locks out heat pump when furnace is energized ON 19 SC S1 Y1 Y2 W1 G R C FAN RELAY LINE 24 V W2 O B S2 OPTIONAL REMOTE SENS...

Страница 21: ...PTIONAL REMOTE SENSOR TERMINALS THERMOSTAT EQUIPMENT OUTDOOR SENSOR INDOOR SENSOR COMP 1 RELAY AUX RELAY REV VALVE COMP 2 RELAY Switch Settings ON Switch 1 Heat Pump Switch 2 O B Reversing Valve OFF O...

Страница 22: ...light on then press and hold both the and Clock Mode section for 5 seconds to enter the Installer Menu To advance through the menu touch Next To back up in the menu touch Back To exit the menu at any...

Страница 23: ...ERATION The first menu 01 selects programmable or non programmable operation Press the or arrows to change the selection The factory default is UP DOWN 7 Program Morning Day Evening Night E 7 7 Day Pr...

Страница 24: ...BER OF PROGRAM SCHEDULES ONLY DISPLAYED WHEN 01 7 If menu 01 is set to 7 the thermostat can be configured for 4 or 2 schedules per day The factory default is 4 4 4 schedules per day Factory Default 2...

Страница 25: ...e factory default is 0 0 Auto changeover Heat Cool Auto Off for Heat Cool Heat Cool Auto EHeat Off for Heat Pump Factory Default 1 Manual Changeover Heat Cool Off or Heat Cool E Heat Off 2 Heating Onl...

Страница 26: ...tinuous or auto fan operation for each program event when programmable mode is selected The factory default is 0 0 No Programmable Fan Factory Default 1 Programmable Fan E Program Refer to the User Ma...

Страница 27: ...is in the mode constant ventilation for a Always On selected program period the relay contact will go open or closed based on the auxiliary relay option selection The auxiliary contacts can be used fo...

Страница 28: ...ou to prevent changes to all or part of the touchscreen functions The factory default is Touch the or arrows to change the 0 UP DOWN selection 0 All functions unlocked Factory Default 1 All functions...

Страница 29: ...LLER SETUP MENU SELECTING THE COOLING SETPOINT LIMIT Menu 07 selects the minimum cooling setpoint The factory default is Touch 50 the or arrows to adjust the limit from 43 122 F UP DOWN E Set Back Nex...

Страница 30: ...SETUP MENU SELECTING THE HEATING SETPOINT LIMIT Menu 08 selects the maximum heating setpoint limit The factory default is 90 Touch the or arrows to adjust the limit from 41 120 F UP DOWN E Set Heat Ba...

Страница 31: ...tion The factory default is Touch 0 the or arrows to change the display option UP DOWN 0 Back Light on for 10 seconds when screen is touched 1 Back Light on high for 10 seconds when screen is touched...

Страница 32: ...tive Recovery compares the space temperature deviation from setpoint and rate of recovery history to bring the equipment on and reach the setpoint at the scheduled start time The factory default is 0...

Страница 33: ...e heating and cooling differential The factory default is 1 F This represents the temperature above the cooling setpoint or below 1 the heating setpoint when the equipment is energized Touch the or UP...

Страница 34: ...e heating and cooling differential The factory default is 2 F This represents the temperature above the first stage 2 cooling differential or below the first stage heating differential when second sta...

Страница 35: ...e heating differential Only displayed when SW1 and SW3 are ON The factory default is 2 2 F This represents the temperature below the second stage heating differential when third stage heat is energize...

Страница 36: ...upstage or downstage the equipment based on the stage differential settings In dual fuel setup the thermostat will not downstage to compressor if fossil fuel is energized 1 Locked Staging Locked Stag...

Страница 37: ...ibrate the internal or a single indoor remote sensor When a remote sensor is wired to the SC and S1 terminals the internal sensor is automatically disabled The factory default is 0 F Touch the or 0 UP...

Страница 38: ...and an outdoor sensor is used When the outdoor temperature falls below the balance point setting the compressor is locked out and only auxiliary electric heat or dual fuel furnace is used for heating...

Страница 39: ...or Dual Fuel When the outdoor temperature rises above the balance point setting the auxiliary electric heat or dual fuel furnace is locked out and only the heat pump is used for heating The factory d...

Страница 40: ...rmostat subbase The UT32 OTS outdoor remote sensor is wired to the SC and S2 terminals on the thermostat subbase The outdoor sensor thermistor is housed in a waterproof encapsulation and is ideally su...

Страница 41: ...ace the thermometer probe next to the thermistor to verify an accurate reading Disconnect power to the thermostat when wiring the sensor to the proper sensor terminals Strip only as much insulation of...

Страница 42: ...EMOTE SENSOR INSTALLATION 41 TEMPERATURE RESISTANCE CHART Temperature Resistance Temperature Resistance F K F K 30 34 6 70 11 9 40 26 1 80 9 4 50 19 9 90 7 4 60 15 3 100 5 9 NTC type 2 sensor 10K 77 F...

Страница 43: ...MPERATURE DISPLAY FAHRENHEIT ONLY CLEAN SCREEN WHEN TOUCHED ALLOWS 30 SECONDS TO CLEAN SCREEN WHILE THERMOSTAT FUNCTIONS ARE LOCKED LOCK ICON DISPLAYED WHEN A FUNCTION CAN NOT BE ACCESSED OR EXCEEDING...

Страница 44: ...d raise the Mode Heat UP setpoint above the space temperature and the first stage differential After a brief moment the internal heating relay W1 will energize and the heating system should operate Th...

Страница 45: ...VENTIONAL HEAT PUMP When the UT32 is configured for conventional heat pump operation testing is the same as a heating and cooling system with the exception that a 3 minute time delay is activated befo...

Страница 46: ...when the Y2 compressor relay is energized Heat 3 will flash when the auxiliary W1 relay is energized E Heat will flash when the mode is set to emergency heat Whenever the thermostat calls for auxiliar...

Страница 47: ...lance point setting set Option 17 below the displayed outdoor temperature and force a call for auxiliary heat Only the compressor Y1 and or Y1 and Y2 should energize If the thermostat is placed in the...

Страница 48: ...Programmable Fan is used the fan operation can still be overridden at the thermostat and will remain in the override mode until the next scheduled event AUXILIARY CONTACTS The Auxiliary Contacts Insta...

Страница 49: ...auto changeover operation or Heat Auto Cool Emergency Heat Off for heat pumps 03 1 Manual Changeover Heat Cool Off 03 2 Heat Only Heat Off 03 3 Cool Only Cool Off Temperature display Air from wall ca...

Страница 50: ...below the limit values These values can be changes in the Installer Menu 07 Cooling Limit Factory default is 50 F Adjustable from 43 F to 122 F 08 Heating Limit Factory default is 90 F Adjustable from...

Страница 51: ...RH non condensing Storage Temperature 32 F to 150 F Overall Size 5 5 W x 3 75 H x 1 312 D LCD Display Size 4 125 W x 2 375 H Back Light Blue LED Short cycle Delay 4 minutes Displayed Temperature Resol...

Страница 52: ...www iohvaccontrols com 866 225 5032 06 1242 010818...

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