Honeywell T6051 User's Manual
Contents
1. HONEYWELL TRADELINE CONTROLS The T6051 Heavy Duty Thermostat may be used in heating only systems cooling only systems combination heat cool systems system changeover means must be provided or as a series 60 controller for valves or motors The T6052A is for two stage heating or two stage cooling systems The T6052B is for one stage heating cooling systems with automatic changeover The Q651 Subbase may be used with the T6051 and T6052B thermostats to provide system switching at the thermostat location Refer to applicable specification sheet for additional information INSTALLATION LOCATION Locate the thermostat about five feet above the floor on an inside wall where it will be affected only by the average temperature of the room The T6051A may be mounted either vertically or horizontally If using a Q651 Subbase refer to the instructions _packed with the subbase OUTLET BOX wwe OR ON gt CONDUIT T6051A T6052A B HEAVY DUTY THERMOSTATS MOUNTING 1 If mounting horizontally coverplate must be changed To remove vertical coverplate bend four corner tabs to outside and push out on cover Place horizontal coverplate on cover frame and bend four corner tabs to inside See Fig 1 COT _ PUSH TABS TO OUTSIDE TO REMOVE Fig 1 Changing coverplate for horizontal mounting THERMOSTAT BASE Fig 2 Mounting Thermostat on Outlet Box 2 72 E S Form Number2. 95 6980 1 Residential Div 2 Mount the 2 by 4 inch outlet box either vertically or horizontally as desired 3 Run conduit between the outlet box power source and the unit being controlled Leave about six inches of wire in the box for connections Refer to the WIRING section for the number of wires required 4 Place the mounting plate on the outlet box either vertically or horizontally Insert the two furnished mounting screws leaving them loose enough to move the mounting plate for leveling See Fig 2 5 Level the mounting plate and tighten the mounting screws See Fig 2 6 Connect the heating and or cooling system wires or the Series 60 equipment wires to the back terminals of the thermostat See Figs 3 10 7 When wiring is complete secure the fiber insulator by snapping the holes in the flap over the switch rivet heads When the normally open terminal is used clip the flap to allow it to pass around the wire 8 Hang thermostat on mounting plate tabs see Fig 2 9 Take socket head cover mounting screw furnished and insert it in tab at bottom of base Do not tighten Replace cover 10 Insert set point knob into socket head screw and tighten This fastens cover and thermostat to the mount ing plate previously attached to outlet box Remove knob WIRING CAUTION Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage All wiring must agree
3. with local electrical codes and ordinances Refer to the wiring diagrams below instruc tions packed with the subbase and heating and or cooling equipment manufacturer s instructions Li gt T6051A POWER SUPPLY L2 gt HEATING EQUIPMENT ZA PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED zm COOLING EQUIPMENT A PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 2723 Fig 4 T6051A used in cooling only application Page COOLING EQUIPMENT POWER SUPPLY AUTOMATIC HANGEOV Sarees HEATING LooveB EQUIPMENT Z PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 2722 Fig 5 T6051A heating cooling control for separate heating and cooling equipment i gt POWER SUPPLY 2 CHANGEOVER SWITCH HEATING COOLING EQUIPMENT Z provide DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 2719 Fig 6 T6051 heating cooling control with changeover switch for combination heating cooling equipment SERIES 60 POWER SUPPLY ZA provide DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 2720 Fig 7 T6051 used as a series 60 control 3 wire line voltage two position control T6052A LI HOT gt uU gt POWER SUPPLY A STAGE 2 HEATING EQUIPMENT STAGE 1 HEATING EQUIPMENT ZA PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED Fig 8 Typical hook
4. ion to be defective in workmanship or materials within the guarantee will be repaired or replaced at the Company s option free of charge and returned lowest cost transportation prepaid Premium transportation will be used at customer s request and expense If inspection by the Company does not disclose any defect covered by the guarantee equipment will be repaired or replaced and the Company s regular service charge will apply WITH EXCEPTION OF THE FOREGOING AND UNLESS SPECIFICALLY EXPRESSED IN WRITING THE COMPANY MAKES NO EXPRESS WARRANTIES NO WARRANTIES OF MERCHANTABILITY AND NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION OF THE FACE HEREOF HONEYWELL MINNEAPOLIS MINN 55408 INTERNATIONAL Sales 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 an
5. ng knob to move the indicator down the scale This ini tiates a call for cooling and the cooling equipment should respond For heating control check turn the setting knob to move the indicator up the scale This initiates a call for heat and the heating equipment should respond For heating cooling control check both heating and cooling as described above For Series 60 control check cycle the equipment through the T6051A and make sure it functions as intended CAUTION if the thermostat is controlling a compressor allow at least two minutes between on cycles to equalize the internal pressure Rapid cycling might damage the compressor and overload the electrical circuit Page 3 TO LOCK After altitude adjustment is complete replace the cover ahd set cover screw with set point knob With the knob again in place move the set point indicator to the desired temperature setting Remove the set point knob to lock the set point LL WARRANTY Unless otherwise specified the Company warrants all Residential Division equipment manufactured by it and bearing its nameplate to be free from defects in workmanship and materials under normal use and service as follows 1 Equipment which is received transportation prepaid at the factory originating shipment 1 within twelve months after date of manufacture or 2 with a certification by the installer to be within twelve months after date of installation and found by the Company s inspect
6. up of T6052A to control two stage heating system T6052A POWER SUPPLY A COOLING EQUIPMENT COOLING EQUIPMENT A PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED Fig 9 Typical hookup of T6052A to contro two stage cooling system T6052B L1 HOT gt uw POWER SUPPLY A COOLIN EQUIPMENT HEATING EQUIPMENT ZA PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED 31618 Fig 10 Typical hookup of T6052B to control heating cooling system with auto changeover ATE Ce IBRATION Fig 11 Altitude calibration Each notch on the calibration mechanism represents 2 000 feet If you are above sea level use the chart to determine how far to move the indicator ALTITUDE CALIBRATION This thermostat was calibrated at the factory for accuracy at 1 000 feet above sea level It may be nec essary to reset the thermostat for the altitude of your locality If you do not know your altitude consult your local U S Weather Bureau or Public Library Elevation in feet Indicator Leave as is Move down 1 notch Move down 2 notches Move down 3 notches 0 to 2 000 2 000 to 4 000 4 000 to 6 000 6 000 and above OPERATION AND CHECKOUT After the thermostat is installed and wired operate it manually to make certain it is connected properly Checkout will depend on type of hookup and controlled equipment For cooling control check turn the setti
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