Frost Protection Thermostat
Type: ETI
For frost protection applications for pipes, OJ provides thermostat ETI along with temperature sensor for pipe ETF-6
The ETI is an ON/OFF thermostat with adjustable differential temperature for control of temperature. When the sensor temperature is below the temperature set -1/2 differential the potential free relay is activated and heating is switched on. When the sensor temperature exceeds the temperature set +1/2 differential the relay breaks and the heating element is switched out and the LED is turned off. As the ETI is supplied with a change-over relay, the thermostat can also be used as a cooling thermostat.
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ON/OFF thermostat with adjustable differental temperature
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Can also be used as a cooling thermostat
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Instructions
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Brochure
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Installation – Length of sensor cable
Question
What is the maximum length of the sensor cable?
Answer
In general, it is recommended that the maximum sensor cable length should be 164 feet/50 meters, the length might be shorter. Read the instructions for the precise maximum length.
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How can I cure the E2 error message?
Reply
"E2" means defective, damaged or disconnected floor sensor. Sensor resistance should be 10 or 12 kOhm at 25°C (77°F). The onstruction or quick guide holds informatiom for the specific thermostats.
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Where to connect the ground wire of floor mats?
Reply
The ground wire in the floor mat must be connected directly to the ground wire of the supply.
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What is the recommended night setback?
Reply
The recommended night setback is max 5°C/41°F
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Does the adaptive function reset when making a factory reset?
Reply
Yes the adaptive function is reset during a factory reset.
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