EN | 15RIRS 400-700 V EKO 3.0 v2019.06
Air temperature sensors and air quality converters. Supply air temperature sensors and air quality converters (if additionally used) must be
mounted as far as possible from the ventilation devices (within the connes of sensor cable) up to the rst branch or turn of the air transportation
system. This requirement is necessary to ensure the accuracy of measurement.
Antifreeze protection. When external supply air water heater is used, it is necessary to properly install antifreeze protection from possible
freezing of heat carrier. Antifreeze temperature sensor (TV) must be mounted in clamp on return pipe of the water heater. Capillary sensor of the
antifreeze thermostat (T1) must be mounted on the water heater and its adjustment knob must be set at +5 °C.
20. CONTROL BOARD RG1
LED indications of the controller Pic. 3a
LED2 Air damper close LED9 Medium fans speed
LED2 + LED3 Air damper open LED10 Minimal fans speed
LED4 Water valve open LED11 Supply air fan speed reducing
LED5 Water valve close LED12 Preheater
LED6 BYPASS open LED13 Supply air heater
LED7 BYPASS close LED14 Circulator pump
LED8 Maximal fans speed
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