White Rodgers 1D51 User's Manual
Contents
1. d as your breath and body heat will affect temperature of bimetal 5 Move temperature adjustment lever to correspond to actual room temperature Then remove thermostat cover THERMOSTAT as CONTACTS COOLING SYSTEM e i aa a t v TRANS TEMPERATURE ADJUSTMENT LEVER BIMETAL STANDARD 7 32 WRENCH 6 Slip standard 7 32 wrench onto hex nut and holding temperature adjustment lever stationary turn hex nut clockwise until mercury just barely shifts to right end of tube or until movable contact just moves off of magnet on snap action types 7 Replace wire removed in step 3 Then replace thermostat cover and set thermostat to desired temperature o E E E S E E E E a TT A A OEE IE ET E a TOT TE A E E E TEN GEAR2. ee EY INSTRUCTIONS ODGERS TYPE 1D51 and 1F51 CONTROLS Low Voltage COOLING ASTRO STATS with Sub Base for System and Fan Selection These low voltage thermostats are designed for operation of to provide for narrow differential control of room the cooling system A selector switch provides convenient temperature Models are available with either sealed mercury selection of cooling system and blower operation These contacts or with snap action contacts thermostats are equipped with a fixed type cooling anticipator m SELECTING THERMOSTAT LOCATION menmssmn stam on panama The proper location of the room thermostat is most important 5 Avoid locations close to radiators warm air registers or in to insure that it will provide a comfortable home temperature the direct path of heat from them Observe the following general rules when selecting a location 1 Locate it about 5 ft above the floor 6 Make sure there are no pipes or duct work in that part of the wall chosen for the thermostat location 2 Install it on a partitioning wall not on an outside wall ae 7 Never locate it in a room that is warmer or cooler than the 3 Never expose it to direct light from lamps sun fireplaces rest of the home such as kitchen or hallway etc l et 8 The living or dining room is normally a good location 4 Avoid locations close to doors that lead outside windows provided there is no cooking range or refrigerator on
3. or adjoining outside walls opposite side of wall Attaching Sub Base to Wall 1 Route wires from cooling equipment to thermostat location MOUNTING SCREWS and pull wires through hole in wall so that 6 in of cable protrudes 2 Puli wires through opening near center of sub base and connect wires beneath proper terminals screws as shown under wiring 3 Push excess wire into wal or switch box and plug up hole to prevent drafts from affecting thermostat operation 4 Fasten sub base loosely to wal in position shown in Fig 1 using two mounting screws provided Level sub base by placing spirit level on top of sub base Tighten mounting screws to secure sub base in level position SUB BASE Mounting Thermostat to Sub Base 1 Remove cover from thermostat by pulling it straight outward THERMOSTAT BASE 2 Attach thermostat base to sub base being sure that all screws are tightened snugly since they serve as electrical connections between thermostat and sub base FIG 1 3 Snap on thermostat cover and set thermostat to desired setting COOLING ANTICIPATION ne This thermostat is equipped with a fixed non removable heater It is for use on current draws from 0 to 1 5 Amp 9797 REAVIS ROAD eai 7 222 ST LOUIS MISSOURI 63123 rinted in U S A PART No 37 2223 a WHITE RODGERS DIVISION pe am EMERSON ELECTRIC CO Position Of Switch FAN AUTO Both blower and cooling system cycle f
4. rom thermostat SYSTEM OFF Neither blower nor cooling system will operate Operation Blower runs continuously Cooling system cycles from thermostat This wiring diagram shows connections for a typical system Always refer to any specific wiring instructions provided by the equipment manufacturer uaan CALIBRATION ADJUSTMENT These thermostats have been carefully adjusted at the factory and should not require re calibration A few degrees difference between the indicator setting of the thermostat and actual room temperature is not considered important if the disagreement is appreciable however first make sure that the thermostat is properly located and leveled Then if 2 olibration still seems necessary proceed as follows These instructions apply for cooling models with either sealed mercury or snap action contacts 1 Move temperature adjustment lever to a setting about 59 below room temperature 2 Remove thermostat cover Slip standard 7 32 wrench onto hex nut beneath bimetal and holding temperature adjustment lever stationary turn hex nut counterclockwise until mercury shifts to left end of tube or until movable contact closes against magnet on snap action types 3 Remove wire from terminal on thermostat or wall mounting plate to take cooling anticipator out of circuit 4 Replace thermostat cover Wait 10 minutes for bimetal temperature to stabilize Don t stand near thermostat during this perio
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