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Honeywell 32006722, Product Data

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Honeywell 32006722 Product Data Download Page 27

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT

27

63-2605—5

Fig. 21. Typical hookup of T7350D in two-stage heat and four-stage cool conventional system.

Fig. 22. Typical hookup of T7350H1009 in three-stage heat and three-stage cool conventional system with one 

transformer.

POWER SUPPLY.  PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.

ENSURE TRANSFORMER IS SIZED TO HANDLE THE LOAD.

HEAT/COOL SYSTEMS WITH ONE TRANSFORMER REQUIRE THE FACTORY-INSTALLED JUMPER.

USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.

1

M19768A

2

3

2

3

4

RC

X

SUBBASE

W1

G

T7770 REMOTE SENSOR

Y1

W3/Y4 Y3

W2

Y2

AUX

RH

T5

T6

T7

T4

T3

DISCHARGE
AIR
SENSOR

OUTDOOR
AIR
SENSOR

MOTION
SENSOR

HUMIDITY
SENSOR

M

OS

OS

AS

AS

M

HC

HP

HS

1

4

L1
(HOT)

L2

COMPRESSOR
CONTACTOR 1

COMPRESSOR
CONTACTOR 2

HEAT
RELAY 1

1

2

3

4

5

6

7

8

9

FAN
RELAY

ECONOMIZER

HEAT
RELAY 2

COMPRESSOR
CONTACTOR 3

COMPRESSOR
CONTACTOR 4

POWER SUPPLY.  PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.

ENSURE TRANSFORMER IS SIZED TO HANDLE THE LOAD.

HEAT/COOL SYSTEMS WITH ONE TRANSFORMER REQUIRE THE FACTORY-INSTALLED JUMPER.

USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.

1

M22489

2

3

2

3

4

RC

AUX

X

SUBBASE

W1

G

T7770 REMOTE SENSOR

Y1

W3/Y4 Y3

W2

Y2

AUX

RH

T5

T6

T7

T4

T3

DISCHARGE
AIR
SENSOR

OUTDOOR
AIR
SENSOR

MOTION
SENSOR

HUMIDITY
SENSOR

M

OS

OS

AS

AS

M

HC

HP

HS

EB

EB

1

4

L1
(HOT)

L2

L

ON

W

ORKS

®

 BUS

COMPRESSOR
CONTACTOR 1

COMPRESSOR
CONTACTOR 2

HEAT
RELAY 1

1

2

3

4

5

6

7

8

9

FAN
RELAY

ECONOMIZER

HEAT
RELAY 2

COMPRESSOR
CONTACTOR 3

HEAT
RELAY 3

L

ON

W

ORKS

®

 BUS

Summary of Contents for 32006722

Page 1: ...anced configuration programming keypad lockout etc changes can be made with thermostat mounted Individual heat and cool setpoints available for Occupied and Not Occupied periods P I D control minimizes temperature fluctuations Recovery ramp control automatically optimizes equipment start times based on building load Convenient overrides allow temporary setpoint changes Keypad multi level lockout a...

Page 2: ...tpoint Additional standby period used in low traffic areas Sequential start option Discharge air high low limits Selectable recovery ramp Ambient lockout with outdoor sensor System monitoring Application database with download and storing Features via Optional Network Model H Communications on LonTalk network Network Tools LonSpec CARE have ability to configure all PDA available features T7350 Net...

Page 3: ...ng resistance System Current Draw without load 5 VA maximum at 30 Vac 50 60 Hz NOTE Relays are N O Single Pole Single Throw SPST Outdoor Sensor Wiring Requires 18 gauge wire Humidity Ratings 5 to 90 RH noncondensing Emergency Heat Indication Display indicates when Emergency Heat is activated Em Temperature Ratings Operating Ambient 30 F to 110 F 1 C to 43 C Shipping 30 F to 150 F 34 C to 66 C Disp...

Page 4: ...5 W7210 W7212 W7215 W7459 Humidity Sensors H7625 H7635 PDA Units Palm V M125 and i705 handhelds TRGPro handheld ZIRE 71 handheld TUNGSTEN T handheld Others 209541B FTT network termination module 209651A Vertical Mounting Hardware Wallplate Adapter Trident white 50000083 001 Thermostat Interface Module TIM 50014064 001 Infra Red TIM 50000452 001 Troubleshooting Cable AK3797 Single pair network cabl...

Page 5: ...hed M22431 SNVT_time_sec SNVT_time_sec SNVT_temp_setpt SNVT_time_min UCPTconfig UCPTconfigPts UCPTdaylightSav UCPTschedule0 UCPTschedule1 UCPTschedule2 UCPTschedule3 UCPTschedule4 UCPTschedule5 UCPTschedule6 UCPTschedule7 UCPTholSched mandatory optional mandatory optional manf specific manf specific manf specific manf specific manf specific manf specific manf specific manf specific manf specific m...

Page 6: ...PERATURE When using the remote mounted temperature and humidity sensor s to sense ambient conditions install the thermostat in an area that is accessible for setting and adjusting the temperature and settings CAUTION Equipment Damage Hazard Can damage the TIM connection beyond repair Disconnect the TIM cable prior to opening or closing the thermostat cover NOTE Allow sufficient clearance below the...

Page 7: ...les until flush with the wall 5 Position the subbase over the holes pulling wires through the wiring opening 6 Loosely insert the mounting screws into the holes 7 Tighten mounting screws Fig 4 Four T7770A Sensors providing a temperature averaging network for T7350 Thermostat Fig 5 Two T7770A3002 Sensors providing a temperature averaging network for T7350 Thermostat Fig 6 Nine T7770A Sensors provid...

Page 8: ...nal details see Operation section Terminal Description Conventional Heat Pump RCa RCa 24 VAC Cooling transformer RHa RHa 24 VAC Heating transformer X X Common G G Fan relay aux aux Conventional Auxiliary relay or 2nd Stage of heating or cooling relay Heat Pump Auxiliary relay or 1st Stage auxiliary heat relay W1 O B Conventional Stage 1 heating relay Heat Pump Changeover relay for heating B or coo...

Page 9: ...ntional Stage 3 heat or stage 4 cool relay Heat Pump 2nd Stage auxiliary heat relay Y3 Conventional Stage 3 cooling relay HS HS Humidity Sensor connection signal 0 10 Vdc HC HC Humidity Sensor connection common HP HP Humidity Sensor connection power M M Motion Sensor connection 1 M M Motion Sensor connection 2 Terminal Description Conventional Heat Pump RCa RCa 24 VAC Cooling transformer RHa RHa 2...

Page 10: ...onnection 2 OS Outdoor Air Sensor connection 1 OS Outdoor Air Sensor connection 2 G Fan relay T3 T7770 Remote Sensor connection 3 T4 T7770 Remote Sensor connection 4 T5 T7770 Remote Sensor connection 5 T6 T7770 Remote Sensor connection 6 T7 T7770 Remote Sensor connection 7 HS Humidity Sensor connection signal 0 10 Vdc HC Humidity Sensor connection common HP Humidity Sensor connection power M Motio...

Page 11: ... Compressor stages are locked off Fan Settings On See Table 9 Auto Fan always cycles with call for heating or cooling Conventional The equipment i e plenum switch controls fan operation in heat mode The thermostat controls fan operation in cool mode Electric Heat The thermostat controls fan operation in both heat and cool modes NOTE Fan operation can extend delay Off after the heating cooling turn...

Page 12: ...ey to change NO to YES before pressing Run Schedule b If you want the configuration to remain as it was before starting this change ensure the display indicates SAV CFG NO and press Run Schedule NOTE Installer Setup is automatically exited after five minutes with no key pressed Upon this auto matic exit all changes are lost Setting Keypad Lockout Proper keypad sequences activate the lockout featur...

Page 13: ...r all configuration parameters setpoints and schedules To regain the old requires device reconfiguration 1 Press both Run Schedule and Clear Start Time 2 The display gives the option to restore the FAC CFG a To restore the factory defaults press up S or down T until the display indicates YES b To cancel this option ensure display indicates NO 3 Press Run Schedule Get Factory Schedule Info Clear Pe...

Page 14: ...n temperature setpoint Temperature Occupied Heat Sets Occupied Heat setpoint Occupied Cool Sets Occupied Cool setpoint Not Occupied Heat Sets Not Occupied Heat setpoint Not Occupied Cool Sets Not Occupied Cool setpoint Set Day Sets day of week Tapping key with Set Value segment on increases current day same effect as Up Arrow key Time Sets time Tapping key with Set Value segment on increases time ...

Page 15: ...es to the day are not allowed NOTES To allow keypad day changes use a PDA as follows 1 Go to the Set Clock function 2 Change the Date Mode from MM DD YYYY to Day of Week 3 Press Set When using the keypad to change the day time 1 Press Set Day until the current day is displayed NOTE Sun Sunday Mon Monday Tue Tuesday Wed Wednesday Thu Thursday Fri Friday Sat Saturday 2 Press Set Time 3 Press up S or...

Page 16: ...setpoint can be adjusted F Stop NotOcc OccCool OccHeat 2 C Stop NotOcc OccCool OccHeat 1 3 The Maximum Occupied Heat Setpoint is limited by Occupied Cool Setpoint 2 F 1 C 4 The Minimum Occupied Cool Setpoint is limited by the Occupied Heat Setpoint 2 F 1 C Programming Temperature Setpoints 1 Press Occupied Heat 2 Press up S or down T until the desired temperature is displayed 3 Press Occupied Cool...

Page 17: ...imits detailed in the Setpoint Limits section Using Temporary Not Occupied Override The Temporary Not Occupied Override fixes the device to operate in Not Occupied mode for a number of days between 1 and 99 without changing programming saved in memory NOTES If the number of days is set to zero no temporary change takes effect If the number of days is set just below zero the display for days is an ...

Page 18: ...Minimum on and off times are fixed Cycle Rates The thermostat control algorithm maintains the temperature by cycling stages of heating or cooling to meet setpoint Cycle rates in cycles per hour cph are set using a PDA NOTE Defaults are heat 6cph cool 3cph P I D Control The T7350 microprocessor based control requires that the user understands temperature control and thermostat performance A convent...

Page 19: ... heat pump setpoint for compressors and two auxiliary heat setpoints for the auxiliary heat stages See Fig 12 for the various setpoints Fig 12 Heat setpoint ramping for heat pump systems Heat pump ramping for heating proceeds as follows 1 The heat pump setpoint begins to ramp until the room temperature and the compressor ramp intersect 2 At this point the heat pump setpoint performs a step change ...

Page 20: ...inimum amount of fresh air for ventilation The economizer reduces compressor run time thereby saving energy and extending compressor life The drawback to using the economizer is that during the Not Occupied period if there is no call for cool or outdoor air is not suitable for free cooling the economizer is controlled to minimum position This position allows some percentage of outdoor air to enter...

Page 21: ...R8222 OR SIMILAR POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED T7350H SUBBASE TO LOAD AUXILIARY RELAY CONTACT AUX AUX 2 L1 HOT L2 AUXILIARY TRANSFORMER Table 17 Default Auxiliary Relay Operations a Simple dehumidification uses a normally closed contact The relay is closed when humidity is below the high limit When the humidity is above the high limit the contact is open...

Page 22: ...ver energizes during Reheat if more than one cool stage is on Reheat mode cannot occur during heating The T7350H1017 T7350M do not support the Reheat method RESET TEMP SETPT The room temperature set point resets to a specified number of degrees below the actual set point when room relative humidity RH rises above humidity high limit Though this may not technically reduce RH it reduces the dew poin...

Page 23: ...heck the temperature setpoints Heating limits are 40 to 90 F 7 to 31 C Cooling limits are 45 to 99 F 9 to 37 C Occupied setpoint temperature range stops were configured Using a PDA check setpoint stops If necessary reconfigure the stop s Keypad is locked When a locked key is pressed LOCKED appears momentarily on the LCD Use PDA Set Display to unlock keypad Press both Run Schedule and Copy then cha...

Page 24: ...AT lockout is engaged If the setpoints are correct do nothing Use PDA Cooling Config to adjust or disable DAT low limit and or OAT lockout Check HVAC equipment to ensure proper operation System indicator flame heat snowflake cool is displayed but no warm or cool air is coming from the registers The call for heat or cool is not yet given Check if any stage indicators dots next to the system indicat...

Page 25: ...C X SUBBASE W1 G Y1 AUX RH 1 L1 HOT L2 1 L1 HOT L2 COMPRESSOR CONTACTOR 1 HEATING TRANSFORMER COOLING TRANSFORMER FAN RELAY HEAT RELAY 2 HEAT RELAY 1 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED WHEN INSTALLED ON A SYSTEM WITH TWO TRANSFORMERS REMOVE THE FACTORY INSTALLED JUMPER USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS 1 M19765A 2 2 3 RC X SUBBASE W1 G T...

Page 26: ...AIR SENSOR OS OS AS AS 1 3 L1 HOT L2 1 L1 HOT L2 COMPRESSOR CONTACTOR 1 COMPRESSOR CONTACTOR 2 HEATING TRANSFORMER COOLING TRANSFORMER CHANGE OVER 1 2 3 4 5 6 7 8 9 FAN RELAY ECONOMIZER AUX HEAT STAGE 1 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED ENSURE TRANSFORMER IS SIZED TO HANDLE THE LOAD HEAT COOL SYSTEMS WITH ONE TRANSFORMER REQUIRE THE FACTORY INSTALLED JUMPER ...

Page 27: ... SENSOR HUMIDITY SENSOR M OS OS AS AS M HC HP HS 1 4 L1 HOT L2 COMPRESSOR CONTACTOR 1 COMPRESSOR CONTACTOR 2 HEAT RELAY 1 1 2 3 4 5 6 7 8 9 FAN RELAY ECONOMIZER HEAT RELAY 2 COMPRESSOR CONTACTOR 3 COMPRESSOR CONTACTOR 4 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED ENSURE TRANSFORMER IS SIZED TO HANDLE THE LOAD HEAT COOL SYSTEMS WITH ONE TRANSFORMER REQUIRE THE FACTORY ...

Page 28: ... OUTDOOR AIR SENSOR MOTION SENSOR HUMIDITY SENSOR M OS OS AS AX AS M HC HP HS EB EB 1 3 L1 HOT HEATING TRANSFORMER COOLING TRANSFORMER L2 1 L1 HOT L2 COMPRESSOR CONTACTOR 1 HEAT RELAY 1 1 2 3 4 5 6 7 8 9 FAN RELAY ECONOMIZER MODULATING HEAT 4 20 mA MODULATING COOL 4 20 mA R X R X LONWORKS BUS LONWORKS BUS POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED ENSURE TRANSFORMER ...

Page 29: ... A SYSTEM WITH TWO TRANSFORMERS REMOVE THE FACTORY INSTALLED JUMPER USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS 1 M22006 2 2 3 RC X SUBBASE W1 G T7770 REMOTE SENSOR Y1 MH MC AUX RH T5 T6 T7 T4 T3 DISCHARGE AIR SENSOR OUTDOOR AIR SENSOR MOTION SENSOR HUMIDITY SENSOR M OS OS AS MX AS M HC HP HS 1 3 L1 HOT HEATING TRANSFORMER COOLING TRANSFORMER L2 1 L1 HOT L2 COMPRESSOR CONTACTOR 1 HEAT ...

Page 30: ...iguration is performed offline or while connected the procedure is the same OFFLINE CONFIGURATION While disconnected from the thermostat you can arrange and save named configurations NOTE The user can note the Configuration ID and manually set the code using the T7350 user interface CONNECT AND CONFIGURE Connect to a thermostat and configure device with existing named parameter arrangement configu...

Page 31: ...facilitates changes to a Description b Model c Control Standard or Heat Pump Fig 29 Configuration Summary screen 6 Make changes and tap Next to proceed to the Inputs screen 7 The Inputs screen facilitates changes to a RoomTemp erature b Room Rel ative Humidity c Occ upancy Sensor d Discharge Air Temp erature e Outdoor Air Temp erature NOTE Some selections only appear for the models that support th...

Page 32: ...reen 17 The Fan screen facilitates changes to a Fan Switch On or Auto b Fan Operation Conventional or Electric Heat c Heat and cool extended operation Fig 35 Fan screen 18 Make changes and tap Next to proceed to the Weekly Schedule screen NOTE The only schedule days times displayed are those in the program It is possible to have as many as 4 event times per day for each day including holiday progr...

Page 33: ...tops c Temporary Override duration Fig 41 SetPoints screen 22 Make changes and tap Next to return to the Summary screen 23 Tap Save to save changes under the existing name 24 Tap DownLd to download changes to a connected T7350 25 Tap CnfgID to have the device calculate configuration number s 26 The configuration numbers represent the C numbers C1 C2 C3 C4 C5 C6 C7 C8 that can be input using the T7...

Page 34: ...dified from within a given configuration To create a new holiday group 1 From the main menu tap Holidays See Fig 43 NOTE The only holidays displayed are those contained in a program set It is possible to have as many as 10 holidays programmed into each set Fig 43 Holiday screen 2 Tap Modify See Fig 44 Fig 44 Holiday modification screen 3 Select a holiday slot to modify or create 4 Make changes to ...

Page 35: ... 40 to 120 F Cool Output stages a X X Stages of cool conventional or number of compressor stages heat pump Cooling Response 3 cph X X 3 cph Standard response for cooling system 4 cph Fast response for cooling system Cooling response applies to compressors in heat pump applications Cooling Lockout None X X None No OAT lockout for cool Enable Cool locked out when OAT is less than Cool Lockout Setpoi...

Page 36: ...20 F hr Recovery Cool RampMax 6 F hr X Maximum heating recovery ramp rate Range 0 to 20 F hr Recovery Heat OAT Min 0 F X Minimum heating outdoor air temperature Range 20 to 100 F Recovery Heat OAT Max 40 F X Maximum heating outdoor air temperature Range 20 to 100 F Recovery Cool OAT Min 90 F X Minimum cooling outdoor air temperature Range 20 to 100 F Recovery Cool OAT Max 70 F X Maximum cooling ou...

Page 37: ...Setpoint 67 F X d Standby heating setpoint Range 40 to 90 F Occupied Heat Setpoint 70 F X X Occupied heating setpoint Range 40 to 90 F Occupied Cool Setpoint 75 F X X Occupied cooling setpoint Range 45 to 99 F Standby Cool Setpoint 78 F X d Standby cooling setpoint Range 45 to 99 F Not Occupied Cool Setpoint 85 F X X Not Occupied cooling setpoint Range 45 to 99 F UnoccCl OccCl OccHt 2 F UnoccCl St...

Page 38: ...rporation Palm OS is a registered trademark of Palm Computing Inc Palm is a registered trademark of PalmSource Inc Configuration Option T7350A T7350B T7350D T7350H1009 T7350M T7350H1017 Heat Output Stages 1 2 3 0 Cool Output Stages 1 2 3 0 Room Humidity Sensor None None Local Local Heat Throttling Range 3 4 7 5 Cool Throttling Range 3 4 7 5 Heat Integral Time 3100 2500 1650 1250 Cool Integral Time...

Page 39: ...T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 39 63 2605 5 ...

Page 40: ...olutions Honeywell International Inc Honeywell Limited Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 Toronto Ontario M1V 4Z9 customer honeywell com U S Registered Trademark 2007 Honeywell International Inc 63 2605 5 J Z Rev 07 07 ...

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