Honeywell T651A, T694A, T694F, T694B, T694D User Manual 2
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T451A,T651A,T694A,B,D,F
LightDuty
LineVoltageThermostats
T451, T651, T694 Thermostats provide on-off control of valves, fans, motors, contactors, electric heat elements, duct furnaces and fan coil units in heating/cooling systems. Switching subbases provide manual control of heating, cooling and fan.
T451A, |
T694B,D,F |
T651A |
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T694A |
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■T451A provides heating control only.
■T651A provides heating and cooling control.
■T694A,B,D,Fsuppliedwithswitchingsubbasetoprovide manual control of heating, cooling and fan.
■Q473A,B switching subbase available for T451A/ T651A.
■Automatic cooling anticipator for 120, 208, 240 and 277 Vac.
■Thermostats use spst or spdt snap switches activated by bimetal sensor.
■T451A/T651Amountonstandardverticalorhorizontal junction box.
■Optionsincludeadjustablerangestops,lockingcover, concealedsetpoint,lockingsetpoint,positiveoffcontrol, cover thermometer.
CONTENTS |
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Specifications ................................................. |
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Ordering Information ..................................... |
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Installation ..................................................... |
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Checkout ......................................................... |
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J. H. • Rev. 9-192 • ©Honeywell Inc. 1992 • Form Number 63-2051—4
T451A, T651A, T694A,B,D,F
SPECIFICATIONS • ORDERING INFORMATION
Specifications
SUPER TRADELINE MODEL
TRADELINE models are selected and packaged to provide ease of stocking, ease of handling and maximum replacement value. TRADELINE model specifications are the same as those of standard models except as noted below.
SUPER TRADELINE MODEL AVAILABLE:
T651A2028 Light Duty Line Voltage Thermostat.
FEATURES:
—Temperature scale range 35° F to 95° F.
—Spdtswitchbreaksheatingcontactsandmakescooling contacts on temperature rise.
—Automatic cooling anticipator for 120, 208, 240 and 277 Vac.
—Vertical faceplate with Fahrenheit scale and thermometer.
—Horizontal faceplate with Fahrenheit scale and thermometer.
—Blank vertical faceplate.
—Blank horizontal faceplate.
—Wallplate.
—Adjustable range stops.
—Locking cover screw.
STANDARD MODELS:
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Changeover |
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Application |
System Switch |
Switch |
Fan Switch |
T451A2007a |
Heating only. |
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T451A2015 |
Heating only with positive OFF. |
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T651A2028a |
Heating/cooling. |
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T694A2002 |
Heating/cooling. OFF position breaks |
ON-OFF |
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HI-MEDIUM-LO |
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fan circuit. |
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T694B2001 |
Heating/cooling. OFF position breaks |
ON-OFF |
HEAT-COOL |
HI-MEDIUM-LO |
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cooling and fan circuits. |
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T694D2009 |
Heating/cooling. Heating circuits isolated |
ON-OFF |
HEAT-COOL |
HI-MEDIUM-LO |
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from cooling circuits. OFF position |
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breaks all control circuits except heat. |
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T694F2007 |
Heating/cooling. Heating circuits isolated |
ON-OFF |
HEAT-COOL |
HI-MEDIUM-LO |
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from cooling circuits. OFF position breaks |
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all power to fan and thermostat. |
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a With thermometer.
Ordering Information
When purchasing replacement and modernization products from your TRADELINE® wholesaler or your distributor, refer to the TRADELINE Catalog or price sheets for complete ordering number, or specify—
1.Order number.
2.Accessories, if desired.
3.Order additional components and system accessories separately.
If you have additional questions, need further information, or would like to comment on our products or services, please write or phone:
1.Your local Honeywell Home and Building Control Sales Office (check white pages of your phone directory).
2.Home and Building Control Customer Satisfaction Honeywell Inc., 1885 Douglas Drive North Golden Valley, MN 55422-4386 (612) 951-1000
In Canada—Honeywell Limited/Honeywell Limitee, 740 Ellesmere Road, Scarborough, Ontario M1P 2V9, International Sales and Service offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
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T451A, T651A, T694A,B,D,F |
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SPECIFICATIONS |
ELECTRICAL RATINGS (A): |
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FINISH: Brushed champagne gold and dark pewter face- |
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Voltage (Vac) |
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plate; beige and brown case. |
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120 |
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208/240/277 |
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UNDERWRITERS LABORATORIES INC.: Listed. |
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Full Load |
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8 |
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4a |
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Locked Rotor |
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48 |
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24 |
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ACCESSORIES: |
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Q473A2006 Switching Subbase: Use with T651A for |
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a Wider temperature differential ranges can occur when |
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HEAT-OFF-COOL manual system switching. |
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used in cooling applications with current draws that are |
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Q473B2005 Switching Subbase: Use with T451A/ |
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more than four amps. If a wider differential range is |
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T652A for AUTO/OFF switching in heating only or |
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unacceptable, use a T6051 Heavy Duty Line Voltage |
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cooling only applications. |
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Thermostat for a smaller differential range. |
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220124A Faceplate vertical, Fahrenheit scale, with |
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thermometer.a |
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Pilot Duty: 125 VA. |
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220124B Faceplate vertical, Celsius scale, with ther- |
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7.2A Resistive: heating contacts only. |
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mometer. |
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220124C Faceplate, horizontal, Fahrenheit scale, with |
TEMPERATURE SETTING RANGE: 35° F to 95° F [2° C |
thermometer.a |
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to 35° C] (with range stops removed). |
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220124D Faceplate, horizontal, Celsius scale, with ther- |
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mometer. |
STORAGE TEMPERATURE: -40° F to 150° F [-40° C to |
220125A Faceplate, horizontal, Fahrenheit scale, with- |
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66° C]. |
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out thermometer. |
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220125B Faceplate, vertical, Fahrenheit scale, without |
FIXED DIFFERENTIAL: 2° F [1° C]. |
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thermometer. |
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220125C Faceplate, horizontal, Celsius scale, without |
SWITCHING ACTION: |
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thermometer. |
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T451: Spst. Contacts make on temperature fall. |
220125DFaceplate,vertical,Celsiusscale,withoutther- |
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T651: Spdt. Heating contacts break and cooling contacts |
mometer. |
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make on temperature rise. |
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220126AFaceplate,horizontal,blank(concealedsetpoint, |
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T694: Spdt. Heating contacts break and cooling contacts |
without thermometer).a |
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make on temperature rise. |
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220126B Faceplate, vertical, blank (concealed setpoint, |
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without thermometer).a |
FIELD WIRING CONNECTIONS: No. 10 screw terminals |
220213 Wallplate, covers old T451A/T651A wall marks |
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on T451A/T651A; color-coded leads on T694 models. |
when installing new T451A/T651A.a |
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199242 Wallplate, covers old T694 wall marks when |
DIMENSIONS: See Figs. 1 and 2. |
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installing new T694. |
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a Supplied with SUPER TRADELINE model T651A.
Fig. 1—T451A, T651A mounting dimensions in in. [mm].
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115 |
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9 |
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32 |
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16 |
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[35] |
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[14] |
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60 |
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70 |
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50 |
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80 |
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40 |
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90 |
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17 |
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432 |
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332 |
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[114] |
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3 |
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[83] |
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COOL |
HEAT |
COM |
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F |
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1 4 |
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40 |
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[45] |
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1 |
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2 |
16 |
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15 |
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18 |
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[70] |
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[22] |
16 |
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[37] |
32 |
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113 |
[24] |
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[14] |
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16 |
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M6130 |
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[48] |
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3 |
63-2051—4 |
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