69-0750—1
10
Automation and Control SolutionsHoneywell International Inc.
Honeywell Limited—Honeywell Limitée
1985 Douglas Drive North
35 Dynamic Drive
Golden Valley, MN 55422
Scarborough, Ontario M1V 4Z9
Страница 1: ...ontrol transformer common is accessible for connection to thermostat cable conductor and power to the transformer is not regularly interrupted by high temperature or limit operation b Heat Pump Compatible Assure correct subbase identity is selected for fan control and changeover control O terminal for cool and B terminal for heat c Hot Water Zone Honeywell 2 wire valves are compatible b Some non H...
Страница 2: ... heating cooling or heating cooling equipment to the new thermostat location The number of wires required to connect this thermostat to the heating cooling or heating cooling equipment de pends on how the thermostat is powered by the 24 Vac or battery or through the control system Refer to the Typical Wiring Diagrams section to determine the number of wires required for your application UNPACK THE...
Страница 3: ...CREW HOLES WITH PLASTIC ANCHORS HEATING ONLY WALLPLATE M857 AUTO OFF COOL HEAT ON FAN B O W Y R G M1555 SPIRIT LEVEL PLUMB LINE PLUMB BOB OR WEIGHT M1553A EXISTING HORIZONTAL OUTLET BOX HEATING COOLING SUBBASE AUTO OFF COOL HEAT ON FAN R G O W Y B M1554A B O W Y R G VERTICAL OUTLET BOX ADAPTER RING 1 2 NOT INCLUDED WITH UNIT ACCESSORY PARTS AVAILABLE SUBBASE OR WALLPLATE 1 2 2 COVER PLATE MOUNTING...
Страница 4: ...structionspackedwiththewallplate or subbase Fig 5 Methods of connecting terminals MOUNT THE THERMOSTAT Note the tabs on the top inside edge of the thermostat base These tabs fit the slots molded into the top of the wallplate or subbase Hang thermostat base on wallplate or subbase Insert the two captive mounting screws located in the bottom corners of the base See Fig 6 Firmly tighten the screws Fi...
Страница 5: ...ctly set the time indicator arrow Fig 8 must point to the correct time and the corresponding daytime light or nighttime dark portion of the program dial Fig 8 Set clock SET HEAT ANTICIPATOR If T8090 is used on a steam system skip to Attach Thermostat Cover section When used on any other heating system cutthetwoblackheatanticipatorjumperwires See Fig 9 Follow the remaining section steps Fig 10 Curr...
Страница 6: ...inuously AUTO Fan operates with the cooling equipment as controlledbythethermostatorwiththeheatingequip ment as controlled by the plenum switch In electric heat heat pump and fan coil systems the fan is controlled by the thermostat for heating and cooling To switch positions use thumb or index finger to slide lever to the desired position Switch lever must stop in detent over the desired function ...
Страница 7: ...small screwdriver in the thermometer and turn it until the thermometers have the same reading See Fig 13 6 Replace the thermostat cover and put the system into operation NOTE Radiant heat from your hands will offset the ther mometer reading After making each adjustment wait fiveortenminutesforthethermometertostabilizebefore comparing Fig 13 Thermometer calibration Move both levers 5 F 3 C below ro...
Страница 8: ... IF INTERRUPTED M1512B BATTERY Fig 17 Typical hookup for clock powered by system transformer Clock powered by battery when system is not powered e g power to system is off or interrupted L1 HOT L2 1 C C R W HEAT RELAY CLOCK THERMOSTAT SUBBASE 1 2 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED M1513A BATTERY Fig 18 Typical hookup for clock powered through control system C...
Страница 9: ...control system Clock powered by battery when heating or cooling equipment is on clock takes power from system when cooling equipment is off Fig 20 Internal schematic and typical hookup for T8090A Thermostat 191108AJ Wallplate in heating only system H FALL C L1 HOT L2 1 2 2 1 2 H FALL C POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED FOR STEAM SYSTEM KEEP JUMPER IN PLACE F...
Страница 10: ...69 0750 1 10 Automation and Control Solutions Honeywell International Inc Honeywell Limited Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 Scarborough Ontario M1V 4Z9 ...
