Electric Heat ESCO - HVAC Excellence Exam Study Guide with Complete Solutions
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Course
ESCO
Institution
ESCO
Electric Heat ESCO - HVAC Excellence Exam
Study Guide with Complete Solutions
Before working on an electric furnace the tech should - Answer️️ -Review
diagram, remove jewelry, and follow safety procedures. ALL OF THE
ABOVE.
A GFCI circuit breaker - Answer️️ -detects current leaks to gr...
the amount of btus produced by 1 watt of electricity is - Answer✔️✔️-3.413
btus
a tech reads 60 amps with a clamp on amp meter on a forced air furnace.
the supply voltage is 230 volts AC, approx how many watts is the furnace
using - Answer✔️✔️-13,800
a furnace is using 15,500 watts approx Kw - Answer✔️✔️-15.5 Kw
a sequencer timer use _____ to close the contact points to the heater
element - Answer✔️✔️-heated snap-discs or bi-metal strips
an electric furnace heating thermostat must - Answer✔️✔️-open on rise close
on drop
a standard thermostat heat anticipator is ____ and wired in ____ with the
heating control - Answer✔️✔️-adjustable/series
some thermostat manufacturers require a jumper connection on the
thermostat subbase of heating and cooling thermostat in order to -
Answer✔️✔️-use a single transformer
most electric heat elements use the following safties to prevent overheating
- Answer✔️✔️-snap disc and fusible link
a tech reads 70 amps to the single phase heater . the supply voltage is 230
volts Ac. Approx how many btus is the furnace producing - Answer✔️✔️-
54,949
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