T32P Thermostat Installation Guide
Contents
1. Operation position for non programmable mode factory default Minimum Leave switch in OFF Run Time position for two minute minimum run time factory default Program Leave switch in ON position schedule for separate heating and cooling setpoints factory default Accessing the Settings Menu 1 Press the O RIDE button once and hold it down until the number 88 15 is displayed on the LCD screen about 15 seconds 2 Using the arrow button adjust the value until it reads 88 32 and then press the O RIDE button to enter the menu 3 To navigate through the menu press the O RIDE button to move forward or the PROG button to move backwards Table 4 Settings Menu Options Symbol Default Function Setting Options PN 32 e Keyboard Lock PIN PIN is required to enter the Settings menu e Range is 00 99 LC 00 Keyboard Lock OFF Programmable All buttons are locked except Mode e 01 AandY buttons Sw6 ON e 02 O RIDE and A and Y 03 MODE O RIDE and and Y 04 MODE and A and Y 05 O RIDE e 06 All buttons are locked Manual Mode 00 Keyboard lock OFF Sw6 OFF 01 All buttons are locked except MODE 02 All buttons are locked except MODE and Aand 03 FAN and PROG are locked MODE button can only select Auto or OFF 04 MODE button can only select Auto or OFF 05 All buttons are locked 06 All buttons are locked Maximum heating or high temp2. Saute Automating Green Integrated Wireless T 32 P Thermostat Version 1 4 1000140 01 Installation Guide Autani Corporation 7170 Riverwood Drive Suite B Columbia MD 21046 USA Document 80142 443 320 2233 240 755 0092 fax www autani com May 2012 Contents Major Installation Tasks 3 Installing Thermostats 3 Locating Thermostats 3 Opening the Thermostat 3 Mounting a Thermostat Subbase 3 Terminal Designations 3 Typical Wiring Diagrams and Switch Settings 4 Dual Fuel Applications 5 Setting the System Switches 5 Activating the Battery 6 Accessing the Settings Menu 7 Installing Remote Sensors 9 Types of Remote Sensors 9 Installing Indoor Sensor Guidelines 9 Installing Outdoor Sensor Guidelines 9 Calibrating Sensors 9 WIIG SCS ONS i u u uuu u uuu etre
3. 3 Ifthe thermostat has been configured for multi stage operation raise the setpoint further and the second stage heating relay energizes anda period is displayed after the word Mode 4 Press the MODE button until Mode Cool appears on the LCD 5 Use the Y button to lower the setpoint a few degrees below the space temperature The cooling and fan relays will energize and the word Cool will change to Cooling 6 Ifthe thermostat has been configured for multi stage operation lower the setpoint further and the second stage cooling relay energizes and a period is displayed after the word Mode Testing Heat Pumps When the thermostat is in heat pump mode the reversing valve is energized when it receives a call for cooling or heating The reversing valve remains energized for 30 minutes unless there is an opposite call in the interim Testing a T 32 P configured for heat pumps is the same as testing for a conventional heating and cooling system except the fan relay is energized on a call for heating as well as for cooling Emergency Heat mode is active when the thermostat H3 setting is EH FF or AL in the Settings menu E Heating is displayed on the LCD when either the thermostat is placed in emergency heat mode or the W2 relay is energized 11 Using Factory Test Mode The T 32 P contains a simple factory test mode that can be used to confirm relay outputs switch configurations or reset the thermostat to factory defaults
4. Access the Settings menu and select one of following TS switch settings e O0 Factory Test Mode is OFF e 1 For factory use only Displays system configuration code based on slide switch settings e 2 Cycles each relay on and off in an endless loop A Equipment should be disabled when performing this test e 3 Reset software to factory defaults Press the Fan button to initiate Basic Troubleshooting Table 6 Troubleshooting No LCD Display Remove thermostat from subbase and check a For 24 volts across 24 and 24C b Factory jumper is between R and 24 If no voltage check voltage on HVAC for 24 volts at HVAC system terminals R and C If no voltage fault is equipment related If voltage check wiring Locked appears on LCD screen If an outdoor sensor is being used it could be preventing heating or cooling calls Adjust the and heating or appropriate setting in the Settings cooling not menu if the outdoor air temperature operating IS e Close to the OFF setpoint for heating or cooling e Above the heating OFF setpoint e Below the cooling OFF setpoint Wrench icon Commission mode is enabled and flashes on LCD time delays are being overridden Change CD to 0 in Settings menu Some Lock values have been set Refer thermostat to LC settings in the Settings menu buttons do not function Potential Solution Specifications Temperature e Air from the wa
5. Functions and Settings Figure 11 System Switches Switch Function Setting Sw1 Fan Relay Leave switch in OFF a position factory default Equipment e Heat cool equipment Configuration leave switch in OFF position factory default Heat pump Set switch to ON position Equipment single stage equipment Stages leave switch in OFF position factory default Multistage equipment set switch to ON position Fan Mode Fan mode for heat cool systems Reversing valve for heat pumps Table 3 Factory Default Switch Settings Gas or oil systems equipment controls fan in heating mode leave switch in OFF position factory default Electric systems thermostat controls fan in heating mode set switch to ON position Switch Default Function Non programmable Separate heating and cooling setpoints Reversing Valve O reversing valve energize cooling leave switch in OFF Activating the Battery position factory default The T 32 P contains a 3 volt lithium cell battery that B reversing valve maintains the time of day in the event of a power failure energize heating set switch to ON lf there is a white tab carefully remove it to activate the position battery for four minute short cycle Sw5 Short Cycle Leave switch in ON position Figure 12 Removing the Battery Tab Timer protection factory default Thermostat Leave switch in OFF REMOVE TAB
6. FF No Short Cycle Protection ON 4 Minute Short Cycle Protection Sw6 OFF Non programmable Sw7 Installer Preference OFF 2 Minute Minimum Run Time ON 6 Minute Minimum Run Time Sw8 ON Separate Heat and Cool Setpoints Figure 6 Wiring Diagram 2 Heat 2Cool Y2 W1 Glee fowl ela Mez ea HEAT 2 HEAT 1 FAN 1 TT RELAY RELAY RELAY MODBUS TERMINALS COMP 2 COMP 1 RELAY RELAY LINE Switch Settings Sw1 OFF Fan Relay Sw2 OFF Heat Cool Sw3 ON Two Stage Sw4 OFF Equipment Controls Fan Sw5 Installer Preference OFF No Short Cycle Protection ON 4 Minute Short Cycle Protection Sw6 OFF Non programmable Sw7 Installer Preference OFF 2 Minute Minimum Run Time ON 6 Minute Minimum Run Time Sw8 ON Separate Heat and Cool Setpoints Figure 7 Wiring Diagram 2 Heat 1 Cool Heat Pump Y2 W1 AAA mn AUX REV FAN 1 HEAT VALVE RELAY COMP 1 RELAY s LINE Switch Settings Sw1 OFF Fan Relay Sw2 ON Heat Pump Sws OFF Single Stage ow4 Reversing Valve OFF O RV Energized in Cooling ON B RV Energized in Heating Sw5 Installer Preference OFF No Short Cycle Protection ON 4 Minute Short Cycle Protection Sw6 OFF Non programmable Sw7 Installer Preference OFF 2 Minute Minimum Run Time ON 6 Minute Minimum Run Time Sw8 ON Separate Heat and Cool Setpoints Figure 8 Wiring Diagram 3 Heat 2 Cool Heat
7. P is powered the LCD screen briefly displays important information as shown below Figure 16 Thermostat LCD Display Program hold active Current Program Mon Tue Wed Thu Fri Sat Sun Day running PAE a Clock program DayNight La 88 88 Mode _ System ma SET TUI 7 Set or room mode E Heating 4 LI temperature al m m lt Fan Fan Outside tat TIMER JILI NES og Outside air Auto Fan On temperature Override timer activated Modbus Keyboard communications or control active limit Commissioning is locked mode 10 Disabling and Resetting Thermostat Delays 1 To disable time delays in the T 32 P to facilitate testing in the Settings menu set CD to 1 After exiting the menu a wrench icon flashes on the LCD screen as a reminder to reinstate the time delays when testing is completed 2 Toreinstate the time delays in the Settings menu set CD to 0 The flashing wrench icon no longer appears on the LCD screen Testing Fan Operation 1 Press the MODE button until the word OFF is displayed on the LCD 2 Press the FAN button and the words Fan On will appear After a brief moment the internal fan relay energizes and the fan icon appears and rotates Testing Conventional Systems 1 Press the MODE button until Mode Heat appears on the LCD 2 Use the A button to raise the setpoint a few degrees above the space temperature The heating relay will energize and the word Heat will change to Heating
8. Pump Y2 W1 esther losl era Le e L E AUX REV FAN 1 TT HEAT VALVE RELAY MODBUS TERMINALS COMP 2 COMP 1 RELAY RELAY s v LINE Switch Settings Sw1 OFF Fan Relay Sw2 ON Heat Pump Sw3 ON Two Stage ow4 Reversing Valve OFF O RV Energized in Cooling ON B RV Energized in Cooling Sw5 Installer Preference OFF No Short Cycle Protection ON 4 Minute Short Cycle Protection Sw6 OFF Non programmable Sw7 Installer Preference OFF 2 Minute Minimum Run Time ON 6 Minute Minimum Run Time Sw8 ON Separate Heat and Cool Setpoints Figure 9 Wiring Diagram 2 Heat 1 Cool Dual Fuel Y2 W1 He ne ala ets IL Lt FOSSIL REV FAN 1 TT FUEL VALVE RELAY anii TERMINALS COMP 1 RELAY Sav LINE Switch Settings Sw1 OFF Fan Relay Sw2 ON Heat Pump Sw3 OFF Single Stage Sw4 Reversing Valve OFF O RV Energized in Cooling ON B RV Energized in Cooling Sw5 Installer Preference OFF No Short Cycle Protection ON 4 Minute Short Cycle Protection Sw6 OFF Non programmable Sw7 Installer Preference OFF 2 Minute Minimum Run Time ON 6 Minute Minimum Run Time Sw8 ON Separate Heat and Cool Setpoints Figure 10 Wiring Diagram 3 Heat 2 Cool Dual Fuel Y2 W1 ss Ilez ae sa L E FOSSIL REV FAN 1 FUEL VALVE RELAY COMP 2 COMP 1 RELAY RELAY Switch Settings Sw1 OFF Fan Relay Sw2 ON Heat Pump Sw3 ON Two Stage
9. alue within 5 to the temperature where the sensor is mounted e Disconnect power to the thermostat when wiring the sensor to the T terminals Strip only as much insulation off the wires as necessary to provide a good contact with the terminals The sensor is not polarity specific so either sensor lead may be connected to either terminal Installing Outdoor Sensor Guidelines e Mount the sensor on a vertical exterior surface below an overhang e Choose a location protected from direct sunlight and exposure to excessive moisture e Follow the same wiring and test procedures as installing an indoor sensor Calibrating Sensors Table 5 Sensor Calibration Chart Temperature Resistance Temperature Resistance F 10kO 10kO _ 4 21 8 94 50 199 90 74 _ 60 153 10 59 Wiring Sensors Function Overview for T Terminals The T terminals on the thermostat are primarily used to wire an indoor or outdoor remote sensor The terminals are not polarity dependent Depending on the thermostat configuration the terminals can also be used for other functions such as remote ON OFF switching of various control functions Each configuration requires setup using the Setting menu For more information see the section entitled Accessing the Settings Menu Wiring Outdoor Sensors To use the T 32 S1 as an outdoor sensor and display the outside air temperature on the T 32 P 1 Wire the sensor to the t
10. erature limit Range using LCD is 41 F 120 Range using Autani EnergyCenter is 41 F 98 F CL 50 Minimum cooling or low temperature limit Range using LCD is 43 F 122 F Range using Autani EnergyCenter is 43 F 98 F CF F e Temperature Display e Degrees F or C C1 e Internal Sensor Calibration e Range is 9 F in increments of tenths of a degree kalli Function Setting Options e Time Format e 12 or 24 Hour Clock e 0 Displays set and space temperatures e 1 Displays only the set temperature e After hours override timer e Range is OFF to 12 in increments of half an hour e Temporary program override 0 OFF extends override until the next program change e Range is 1 12 override hours 2 Factory default Do not change change e 0 Fan runs continuously in ON mode e 1 Fan continues to run after cooling cycle but not heating cycle e 2 In programmable mode Sw6 ON fan runs 4 al Sw6 ON Sw8 ON continuously with program 1 through 4 and then in AUTO from program 4 through 1 e 3 In programmable mode Sw6 ON fan control is a combination of options 1 and Fan Purge e Range is 0 5 minutes after heating or cooling cycle e A Mode for heating cooling system e C Cooling only system e H Heating only system e OF W2 relay only operates as auxiliary heat in heat pump mode Sw1 OFF Sw2 ON e EH W2 relay controls e
11. hermostat as shown using separate 18 2 thermostat cable 2 Inthe Settings menu set TT to OA If the outdoor sensor fails or is not wired properly two dashes will appear on the LCD where the outside temperature would normally be displayed The outdoor sensor can also be used for high and low balance point control in dual fuel systems For more information see the Dual Fuel Applications section Figure 13 Wiring Diagram Outdoor Sensor Wiring Indoor Sensors To use the T 32 S1 as an indoor sensor and configure the T 32 P to allow only the remote sensor to control the temperature 1 Wire the sensor as shown in Figure 13 2 Inthe Settings menu set TT to RS Wiring Sensors for Indoor Temperature Averaging To use temperature averaging with or without the thermostat onboard sensor multiple sensors can be connected to the T terminals The total value of remote sensors wired in series parallel must equal 10kO 77 F The onboard sensor is not part of the equation To use a single T 32 S1 as an indoor sensor wire the sensor as shown in Figure 13 e To use both the remote and onboard sensor for temperature averaging in the Settings menu set TT to AV e Touse an optional in line switch to change the temperature sensing location from the remote to the onboard sensor in the Settings menu set TT to RS Wiring Multiple Sensors for Indoor Temperature Averaging See Figure 14 for wiring two T 32 S2 sensors e For
12. ismantling will void the Do not over tighten the mounting screws as warranty For warranty information see the subbase may warp causing the improper www autani com legal seating of the thermostat connecting pins to the terminal blocks 1 Thoroughly read this Installation Guide Use a properly sized screwdriver to connect 2 Install the T 32 P each wire to its dedicated terminal 3 Set the eight system switches to match the Do not over tighten the terminal screws equipment application Check to ensure that all wires are connected 4 Wire the optional remote temperature sensor s correctly and dressed properly to prevent 5 Power the thermostat any shorts 6 Select options in the Settings menu 7 Program and setup the T 32 P thermostat 3 Seal the control wire hole to prevent drafts in the wall cavities that can affect the internal Refer to the T 32 P User s Manual temperature sensor 8 Test heating cooling and other functions Installing Thermostats Locating Thermostats Figure 2 Subbase Mountin Install the T 32 P in a location that represents the ambient space temperature Do not install thermostats on an external wall or in areas Where air movement is limited Affected by direct sunlight Near lamps or appliances Where there may be drafts Near the floor Behind doors Terminal Designations Opening the Thermostat Based on the T 32 P slide switch configuration some l terminals have m
13. ll cavity may be display leaking into the rear of the Table 7 T 32 P Specifications inaccurate thermostat Seal holes in the input Voltage 24 VAC 50 60 Hz wall to prevent air infiltration Relay Ratin 24 VAC 1Amp maximum folded back inside the thermostat l p a y 5 Operating Temperature 32 F to 122 F and is not being exposed to the A Operating RH 0 95 non condensing room temperature Carefully x move 1Ha sensor head s nail Storage Temperature 32 F to 105 F is just behind the sensor opening size 4 7116 W x 4 1 16 H x 7 8 in the case D i External influences from LCD Display Size 2 3 4 W x 1 7 8 H appliances lighting or drafts may Temperature Sensor be affecting temperature accuracy Move lamps or other Resistance sources of abnormal temperature Tolerance thermostat change over time Outdoor Check wiring to outdoor sensor Timed Upstage Delay temperature Make sure that TT OA in the Short cycle Delay does not Settings menu Display Resolution display Control Range Dashes Outdoor Air 10 F to 140 F appear on the Temperature Range LCD screen Back Light Blue EL Electro Heating or The T 32 P has a built in minimum Luminescent Cooling is equipment run time of either 2 or 6 Optimized Start Stop Time to start vs flashing while minutes Sw6 may be set for 6 Method temperature differential the HVAC minutes ON which is keeping the Communications Modbus system is equipment on after the ther
14. mergency heat e AH Do not use this function e AL W2 relay used for auxiliary and emergency heat e FF Fossil Fuel Y is locked out when W2 is energized Symbol Default Function Setting Options 2 C SP e RS For NO remote sensor or 1 or more remote indoor sensors without the onboard sensor being used e OA For outdoor remote sensor connection e DA Sends measured temperature from remote sensor via Modbus but does not display the value on the LCD e OC For connecting dry contact switch used to replace user set points with preprogrammed cooling and heating setpoints OC OH e OF For connecting dry contact switch used to turn thermostat off when closed e AV For combined average from the internal thermostat sensor and remote indoor sensor s e 1 Freeze protection ON If thermostat is OFF heating comes on if room temperature falls below 41 F e 0 No freeze protection e Override heating setpoint e Range is 41 F 120F e Override cooling setpoint e Range is 43 F 122 F e 2 1 9 F differential for stage e 1 1 4 differential e 3 2 4 differential e 2 1 9 differential for stage 2 e 1 1 4 differential e 3 2 4 differential e Upstage timer e Range is 10 90 minutes in five minute increments e Only works if thermostat has not called for second or third stage and Sw3 ON e 1 Adaptive Recovery ON e 0 Adaptive Rec
15. mostat Protocol running reaches setpoint Approvals FCC Part 15 Pending Lock icon HL and CL restrict the heating and Warranty 5 years flashes when cooling setpoints The setpoints trying to seta can be changed in the Settings higher heating menu or lower cooling Legal Notice temperature Thermostat The T 32 P can be configured to Copyright Autani Corporation 2010 2012 All rights displays wrong use the Fahrenheit or Celsius scale reserved Please refer to www autani com legal for temperature Change CF to C or F in the Settings licensing intellectual property and other legal notices scale _ oa and information Fan continues e The thermostat is set to Fan ON to run after a Set the thermostat to Auto Fan heating or The fan purge mode is set to run cooling call is the fan for a fixed period of time satisfied after the equipment shuts off Change the FP value in the Settings menu Thermostat Make sure the plastic tab on the clock does not internal battery has been removed keep proper so that the battery is operational time 12
16. overy OFF e Remote sensor calibration e Range is 9 F in increments of half a degree Symbol Default Function Setting Options e When outdoor temperature falls below setpoint cooling shuts off e Range using LCD is 43 F 122 F e Range using Autani EnergyCenter is 43 F 98 F e Only works if TT OA with outdoor sensor e When outdoor temperature rises above setpoint heating shuts off e Range using LCD is 41 F 120 F e Range using Autani EnergyCenter is 41 F 98 F e Only works if TT OA with outdoor sensor e High Balance Point e W2 auxiliary heat is locked out when temperature rises above HB setpoint e Options are 32 F 122 F and OFF e Only works if TT OA with outdoor sensor and H3 FF for fossil fuel e Low Balance Point e W2 auxiliary heat is locked out when temperature falls below LB setpoint e Options are 14 F 77 F and OFF e Only works if TT OA with outdoor sensor and H3 FF for fossil fuel e Replace or clean filter e Range is Off to 90 hours in 10 hour increments e Modbus Address e Must be set to 1 e 19 2 baud rate e 9 6 baud rate e 4 8 baud rate e 0 Commissioning Mode OFF all time delays active 1 Commissioning Mode ON all time delays inactive 0 Start Stop mode controlled by thermostat program 1 Thermostat Start only mode per call by Modbus Master 2 Thermostat Stop only mode per call by Modbus Master Response Time Do no
17. ow4 Reversing Valve OFF O RV Energized in Cooling ON B RV Energized in Cooling Sw5 Installer Preference OFF No Short Cycle Protection ON 4 Minute Short Cycle Protection Sw6 OFF Non programmable Sw7 Installer Preference OFF 2 Minute Minimum Run Time ON 6 Minute Minimum Run Time Sw8 ON Separate Heat and Cool Setpoints Dual Fuel Applications When the T 32 P is used with dual fuel systems an outdoor sensor is recommended for balance point control 1 Wire the sensor to the T terminals on the thermostat 2 Inthe Settings menu a Set TT to OA to configure the thermostat to receive outdoor temperature information b Select high and low balance point settings e High balance point range is 32 F 122 F Factory default is 55 F e Low balance point range is 15 F 77 F Factory default is 35 F c A Configure the W2 relay to lock out the heat pump at the low balance point or whenever the thermostat calls for auxiliary or emergency heat Set H3 to FF Setting the System Switches The T 32 P printed circuit board contains a set of eight system switches The switches are used to match the thermostat with the type of system being used and user preferences The function of each switch is described in the table below For information on switch settings by specific system configuration see the section entitled Typical Wiring Diagrams and Switch Settings Table 2 Switch
18. ring Diagram 2 Heat 1 Cool Dual Fuel 5 Figure 10 Wiring Diagram 3 Heat 2 Cool Dual Fuel 5 Figure 11 System Switches 6 Figure 12 Removing the Battery Tab 6 Figure 13 Wiring Diagram Outdoor Sensor 9 Figure 14 Wiring Diagram Indoor Sensors 10 Figure 15 Wiring Diagram Turning Off Sensors Remotely 10 Figure 16 Thermostat LCD Display 10 List of Tables Table 1 Terminal Designation Chart 3 Table 2 Switch Functions and Settings 6 Table 3 Factory Default Switch Settings 6 Table 4 Settings Menu Options 7 Table 5 Sensor Calibration Chart 9 Table 6 Troubleshoe0otif0 uuu yu alus ias 11 Table 7 T 32 P Specifications 12 Major Installation Tasks A This Installation Guide contains installer setup functions which if not correctly set may cause damage to the HVAC eguipment or seriously affect performance A There are no user serviceable parts inside the Mounting a Thermostat Subbase 1 Pull the control wires through the large opening in the thermostat subbase 2 Level and mount the subbase on the wall using the supplied anchors and screws T 32 P Unauthorized d
19. t change factory default Symbol Default Function Setting Options TS e 0 Factory Test Mode OFF e 1 Display configuration code e 2 Step cycle all relays in sequence e 3 Reset software to factory defaults Press the Fan button to initiate Installing Remote Sensors Types of Remote Sensors Depending on the thermostat configuration the T 32 P can use an indoor remote sensor or multiple sensors e For temperature averaging e Asan outdoor sensor for temperature display e As a control function There are two types of remote sensors e The T 32 S1 is a single sensor that can be used indoors or outdoors e The T 32 S2 contains two sensors A combination of both sensors can be used for indoor temperature averaging to simplify wiring Installing Indoor Sensor Guidelines Locate the sensor in the same manner as a thermostat Mount the sensor 18 away from outside walls e Do not install the sensor behind doors in corners or other dead air spaces e Keep the sensor away from direct air flow supply registers or sources of heat such as lamps and appliances e The maximum wire length from the sensor to the thermostat is 300 feet e Use a separate 18 2 thermostat cable for sensor wiring e Prior to wiring the sensor to the thermostat use an ohm meter or multimeter to measure the resistance of the sensor Measure at the end of the wires that will connect to the thermostat Confirm the resistance v
20. teeth eee 9 Function Overview for T TerminalSs 9 Wiring Outdoor Senso Sencan 9 Wiring Indoor Sensors 10 Wiring Sensors for Indoor Temperature Averaging 10 Wiring Multiple Sensors for Indoor Temperature Averaging 10 Wiring to Turn Off Thermostats Remotely 10 Wiring to Override Settings Remotely 10 POSTING uya q tau bua Su u uDussks 10 Disabling and Resetting Thermostat Delays 11 Testing Fan OPEN u L L L uu uU ua 11 Testing Conventional Systems 11 Testing Heat Pumps 11 Using Factory Test Mode 11 Basic TrIOlibl sHoolifiguyx yma ethene teats 11 SHA UON AA e 12 Legal NOICE AA aa 2 1 12 List of Figures Figure 1 Opening the T 32 P 3 Figure 2 Subbase Mounting 3 Figure 3 Terminal Designations 3 Figure 4 Wiring Diagram Heat Only 4 Figure 5 Wiring Diagram 1 Heat 1 Cool 4 Figure 6 Wiring Diagram 2 Heat 2Cool 4 Figure 7 Wiring Diagram 2 Heat 1 Cool Heat Pump 4 Figure 8 Wiring Diagram 3 Heat 2 Cool Heat Pump 5 Figure 9 Wi
21. three sensors one T 32 S2 and two T 32 S1 sensors can be wired in series parallel e For four sensors four T 32 S1 sensors can be wired in series parallel Configurations of multiple sensors can be used with or without the thermostat onboard sensor e To include the onboard sensor in the Settings menu set TT to AV e To exclude the onboard sensor in the Settings menu set TT to RS Figure 14 Wiring Diagram Indoor Sensors T 32 52 SENSOR T 32 52 SENSOR Wiring to Turn Off Thermostats Remotely To use an external dry contact switch to turn a thermostat off remotely 1 Wire the switch as shown in Figure 16 2 Inthe Settings menu set TT to OF When the switch is closed the T 32 P turns off and the word OFF flashes on the LCD When the switch is opened the thermostat returns to the user settings Figure 15 Wiring Diagram Turning Off Sensors Remotely PEER SEPA FIGURE 9 r F SWITCH Wiring to Override Settings Remotely To use an external dry contact switch to remotely change the heating and cooling setpoints to a pre programmed override value 1 Wire the switch as shown in Figure 16 above 2 Inthe Settings menu a Set TT to OC b Use OC and OH to set the cooling and heating setpoints e When the switch is closed user setpoints are replaced by the pre programmed override setpoints e When the switch is open thermostat user settings are restored Testing When the T 32
22. ultiple output functions 1 Insert a small coin such as a dime in the release slot located on the bottom of the Figure 3 Terminal Designations thermostat 2 Gently twist the coin to release the thermostat mbia from the subbase N Powe Bis AR W2 Y2 Wi D LOWE Sms G3 G2 O BY1 Gi R 24 24CB A T T A Avoid twisting the case to protect the LCD screen and avoid bending the terminal EXITO T connector pins Figure 1 Opening the T 32 P Table 1 Terminal Designation Chart W1 First state heating Reversing Valve Y1 G1 First stage compressor OY Gl Fanrelay R 24 volt hot jumpered to 24 24 volt hot 24 volt common B Modbus communications Typical Wiring Diagrams and Switch Settings Figure 4 Wiring Diagram Heat Only Switch Settings Sw1 OFF Fan Relay Sw2 OFF Heat Cool Sw3 OFF Single Stage Sw4 OFF Equipment Controls Fan Sw5 Installer Preference OFF No Short Cycle Protection ON 4 Minute Short Cycle Protection Sw6 OFF Non programmable Sw7 Installer Preference OFF 2 Minute Minimum Run Time ON 6 Minute Minimum Run Time Sw8 ON 2 Setpoints Note Set FN to H in the Settings menu See Accessing the Settings Menu section Figure 5 Wiring Diagram 1 Heat 1 Cool Switch Settings Sw1 OFF Fan Relay Sw2 OFF Heat Cool Sws OFF Single Stage Sw4 OFF Equipment Controls Fan Sw5 Installer Preference O
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