Type WR Room Thermostat
● Positive accuracy, long and reliable service, 3° differential. Heavy-duty, single stage, SPST line voltage snap-acting switch.Patented hydraulic element. WR-80 has internal sensing element and thermometer on cover; WR-90 has external, coiled sensing element but no thermometer. Both have a low position whichdrops control point to keep heater off. WR-80 and WR-90 finished in tough metallic gray with chrome trim; mounting platefits outlet or conduit box.
● Uses –Automatically controls room temperature by turning electric air heaters on and off. Can be used to control the air heaters directly, within thermostat rating. For higher ratings use thermostat with magnetic contactor. Place thermostat on inside wall,away from undue heating or cooling influences, about 4 feet above the floor. WR-90 is especially useful in holding lower temperatures, for example, in garages, warehouses, factories, etc.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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JUNE, 1989 |
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PK410-1 |
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247 KB |
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