Honeywell T6380 User's Manual
Contents
1. T6383B 2 pipe heat cool auto changeover with aux electric heat constant fan T6383B SYSTEM VALVE HEAT To internal heat cool circuits L1 HOT L2 NEUTRAL Fig 5a T6381A 2 pipe cooling only cycled fan T6381A 1 HOT NEUTRAL BLK External jumper TO COOLING VALVE Fig 5b T6381A 2 pipe heating only cycled fan T6381A NEUTRAL External jumper TO HEATING VALVE TO HEAT COOL TO SUPPLEMENTARY Fig 5c T6381A 2 pipe heat cool auto changeover cycled fan T6381A AQUASTAT External jumper TO HEATING COOLING VALVE Fig 6 T6381B 2 pipe heat cool manual changeover cycled fan T6381B TO HEATING COOLING VALVE Heat ORG External jumper L1 HOT L2 NEUTRAL Fig 7a T6381B 4 pipe heat cool manual changeover cycled fan T6381B SYSTEM Heat ORG TO HEATING VALVE BLK WHT L1 HOT L2 NEUTRAL T6380 OPERATION Fig 7b T6381B 2 pipe heat cool auto changeover cycled fan with aux heat T6381B TO HEAT COOL SYSTEM VALVE TO SUPPLEMENTARY HEAT To internal heat cool circuits L2 NEUTRAL L1 HOT Fig 8a T6387A 2 pipe cooling only on auto fan T6387A SYSTEM On TO COOLING VALVE Off o Auto oro HI MED lo External jumper L1 HOT L2 NEUTRAL Fig 8b T6387A 2 pipe heating only on auto fan T6387A TO HEATING VALVE External jumper L12. HOT L2 NEUTRAL Fig 8c T6387A 2 pipe heat cool auto changeover on auto fan T6387A SYSTEM AQUASTAT TOHEAT COOL VALVE External jumper L1 HOT L2 NEUTRAL N CAUTION 1 Disconnect power supply before connecting wiring to prevent electrical shock and equipment damage 2 Never jumper the supply wires or actuator terminals even temporarily This may damage the thermostat OPERATION As the temperature changes the thermostat makes to open a valve and or power a blower to provide heating or cooling The speed at which the air is circulated is con trolled by the FAN switch Continuous ON or intermittent AUTO fan operation is determined by model number CHECK OUT Turn power on Check out operation according to the SYSTEM switch present SYSTEM switch OFF de energizes valve and fan circuits Models T6381B T6383B SYSTEM HEAT OFF COOL Set the SYSTEM switch to HEAT Rotate the thermostat knob clockwise to energize the heating valve and or fan fan auto cycled mode The system LED on the thermostat will light when the heating circuit is energized Set the SYSTEM switch to COOL Rotate the thermo stat knob counter clockwise to energize the cooling valve and or fan fan auto cycled mode The system LED on the thermostat will light Model T6387A SYSTEM ON AUTO OFF Set the SYSTEM switch to ON The valve will operate on heating or cooling cycle depending on whether hot or chilled wate
3. Honeywell T6380 Series Electronic Fan Coil Thermostats Honeywell Honeywell 4 nm i j y APPLICATION The T6380 series of electronic fan coil thermostats provide precision line voltage control of fan forced Heating Ventilat ing and Air Conditioning equipment Models are available for cooling only manual heat cool changeover or remote heat cool changeover systems Hydronic source heat cool systems may be two or four pipe configuration with 0 1 or 2 valves Fan control options include constant cycled or user selectable On Auto operation Manual fan speed selection is standard All models feature an Off switch PRODUCT DATA FEATURES Electronic temperature sensing provides energy efficient precision operation for maximum comfort Contemporary white sculpted styling Vertical or horizontal mounting configurations Adjustment ranges 55 to 90 F or 13 to 32 C Easy to use set point knob LED system status indicator OFF de energizes all connected loads Three level fan speed selection Constant cycled or on auto selectable fan operation available Models for manual or remote heat cool changeover heating only or cooling only systems Models for 2 or 4 pipe systems Rugged molded thermoplastic housing with captive mounting screws mounts on single gang NEMA standard U S electrical box Screw terminal block connections Suitable for inductive rated loa
4. at on an inside wall 4 to 5 1 5 m above the floor Do not mount where thermostat can be affected by drafts radiant heat from the sun or other sources of heat T6380 s mount on NEMA standard 2 x3 single gang flush or 2 x4 surface mount electrical box or on 4 x4 box with mud ring adaptor not provided WIRING 3Internal schematic and external wiring connections are shown in Fig 2a through Fig 8c Wiring connections may be made to the 8 position screw terminal block with 1 14 AWG or 2 18 AWG solid or stranded copper wires Fig 2a T6383A for 2 pipe constant fan cooling only T6383A TO COOLING VALVE External jumper HI MED LO FAN L1 HOT L2 NEUTRAL Fig 2b T6383A for 2 pipe constant fan heating only T6383A Cool YEL TO HEATING VALVE Hl gt MED lt to c External jumper L1 HOT L2 NEUTRAL Fig 2c T6383A 2 pipe heat cool seasonal auto changeover constant fan T6383A AQUASTAT TOHEAT COOL VALVE L1 HOT L2 NEUTRAL A External jumper Fig 3 T6383B 2 pipe heat cool manual changeover constant fan T6383B SYSTEM TOHEATING COOLING VALVE aes External jumper To internal heat cool circuits Fig 4a T6383B 4 pipe heat cool manual changeover constant fan T6383B SYSTEM TO COOLING VALVE TO HEATING VALVE HI z MED to tc To internal heat cool circuits L1 HOT L2 NEUTRAL T6380 Fig 4b
5. ds such as valves relays contactors and fans Range stops and cover locking kit available UL Listed CSA Certified Contents Specifications 2 5 5 esee Re 2 Ordering Information ssennn 2 Installatior ie A AS aoe aed 3 WIIIDQ ient sae rne SUE TRRU DUET RrR iR 3 Op ratiors tie in eere Heide ce 5 Check Out sirener n ee ite eB dee ieee 5 M O D 6 98 Honeywell Ltd Honeywell Lt e 1998 Printed in Canada Form Number 95C 10758 T6380 SPECIFICATIONS ORDERING INFORMATION SPECIFICATIONS MODELS 3 Speed Fan Operation Fan Coil System Constant Cycled On Auto 2 pipe System Cooling only T6383A T6381A T6387A Fig 2a Fig 5a Fig 8a Heating only T6383A T6381A T6387A Fig 2b Fig 5b Fig 8a 2 pipe Heat Cool Manual Change Over T6383B T6381B N A Fig 3 Fig 6 Seasonal auto C O T6383A T6381A T6387A Fig 2c Fig 5c Fig 8c Seasonal auto C O T6383B T6381B N A with aux electric heat Fig 4b Fig 7b 4 pipe Heat Cool Manual C O T6383B T6381B N A Fig 4a Fig 7a Electrical Ratings T6380 Series Power Supply 110 130 or 208 277 Vac 10 15 50 60 Hz T6381 T6387 Output Rating cycled Auto fan control 50 60 Hz 120V 208 V 230 V 277 V Full Load Amps 3 8 2 1 1 9 1 6 Locked Rotor 22 8 12 6 11 4 9 5 Pilot Duty 125 VA Equivalent to NEMA 1 8 horsepower rating for a hermetically sealed mo
6. nce Specifications Precision 1 F temperature swing 0 9 C differential Accuracy 2 F 1 C droop with 4 A load Dimensions See Fig 1 Nominal Dimensions Mounting Direct mounting on single gang NEMA 2 x 3 flush mount or 2 x 4 surface mount electrical box or on 4 x 4 box Models available for vertical or horizontal mount Wiring Connections Screw terminal block suitable for 1 14 AWG 2 18 AWG or 1 1 5 mm copper wire Approvals CSA Certified LR1322 Underwriters Laboratories Listed E47434 Accessories 272824A T6380 Range stop cover locking kit 272827A T6380 replacement cover with Cool Warmer Fig 1 Nominal dimensions in inches and millimetres 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 Home and Building Control Sales Office please check the white pages of your phone directory 2 Honeywell Limited 155 Gordon Baker Rd North York ON M2H 3N7 In U S A Honeywell Inc 1885 Douglas Drive North Minneapolis Minnesota 55422 4386 612 951 1000 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 T6380 INSTALLATION WIRING INSTALLATION MOUNTING Mount the thermost
7. r is being supplied The fan will run continuously Set the SYSTEM to AUTO The fan will cycle with the heating or cooling operation T6380 Models T6381A T6383A e SYSTEM HI OFF MED LO Set the SYSTEM switch to HI Rotate the thermostat knob clockwise to energize the heating cooling valve and or fan constant or cycled fan The system LED on the thermostat will light when the heating or cooling circuit is energized SETTING The T6380 temperature scale is marked 55 to 90 F or 13 to 32 C depending on the model Set the dial indicator marker to the desired temperature CALIBRATION T6380 thermostats are accurately calibrated at the factory under controlled conditions Do not attempt to field calibrate this device This thermostat has line voltage connections Honeywell Home and Building Control In U S A Honeywell Ltd Honeywell Inc 155 Gordon Baker Road 1985 Douglas Drive North North York Ontario M2H 3N7 Golden Valley MN 55422 3992 Printed in Canada Helping You Control Your World
8. tor such as a compressor Allowable connected load must be determined by adding nameplate full load and locked rotor inrush ratings of all loads T6383 Output Rating constant fan operation Thermostat Heat and Cool outputs 50 60 Hz 120V 208 V 230 V 277 V Full Load Amps 3 8 2 1 1 9 1 6 Locked Rotor A 22 8 12 6 11 4 9 5 Pilot Duty 125 VA Resistive heat only 10 0A N A N A 5 6 Fan Air Handler 50 60 Hz 110 130V 208V 220 240V 277 V Full Load Amps 5 8 3 2 2 9 2 4 Locked Rotor 34 8 19 2 17 4 14 4 Equivalent to NEMA 1 4 horsepower rating for a hermetically sealed motor Allowable load must be determined from fan nameplate ratings T North American national electrical codes require all ungrounded conductors to electric resistance heating to be broken at the thermostat OFF setting The 208V and 230V resistive ratings are not UL approved The 230V rating is site approveable in Canada on 416V 4 wire Wye distributed systems The non inductive rating for 230V a c mains with one ungrounded conductor is 6 0A ORDERING INFORMATION Before ordering please determine the following 1 The body type 2 way or 3 way 2 The actuator voltage 24V 50 60Hz 3 The pipe fitting size and flow capacity rating Cv required 4 Order Specification Number 5 Accessories if desired Operating range 32 to 104 F 0 to 40 C 5 to 95 RH non condensing Performa
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