Explanation/Annotation:Electronic. For automatic control, regulations, protections against emergency operations, signaling and indication of parameters of refrigerator machines; units with screw-type compressor by the îò15 power up to 400 kilowatts
Detailed model description:Ranges of adjustment (settings):
On temperature, °Ñ - from - 80 up to 80 (+1)
On temperature difference, °Ñ - from 0 up to 10 (+2)
With the current, and - from 1 up to 600 (+2 %)
Through channel of portion of slide valve controlled pitch mm - from 0 up to 170 (+6)
Through channel of temperature control of oil, setting, °Ñ - 5
Power consumed, watt, not more than - 20
ÝÐÁ overall dimensions, mm - 320õ240õ145
ÝÐÁ mass, kg, not more than - 7
Housing protection - IP54
Is composed of electronic unit (ÝÐÁ) and sensors. Amount of inlet ducts on: temperature - 6, pressure - 5, portion of slide valve - 1, electric motor flow - 1, ammonia level (õëàäîãåíòà) - 4. There is the oil heating. There is the protections: on injection pressure, ingestions in the range between - 0, 09 up to 2, 5 (+0, 03) MPa; oily and intake filters on pressure diference; on suction temperatures, cooling agent injections, oil overheating, electric motor winding of compressor in the range between - 80 up to 130 (+2) °Ñ; in level in evaporator. Bracketed is shown the basic error. There are 14 output relays for control. Feeding - 220 in 50 (60) Hz. |
