MC 785-DF KLIMA ALFANET Client : General Page : 3 of 20 Technical specifications. Controller General Type : MC 785-DF KLIMA ALFANET Wall mounting: Housing : Grey plastic Material : Polystyrol 454h KG 2 natur BASF Dimensions : 213 x 180 x 85mm (whd)
Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 4 of 20 Controller in- and outputs Sensors Temperature sensor (Pt-100, 3-wire to DIN/IEC 751) Defrost sensor (Pt-100, 3-wire to DIN/IEC 751)
Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 5 of 20 Functional specifications. The MC785-DF KLIMA has the following control functions: • cooling • heating • dehumidfying • humidifying Further more the controller has an alarm relay, which is activeted when the alarm levels are exceeded or a sensor is broken.
Changing of the setpoint again wuth the UP or DOWN keys and acknoledge with the SET key. In the same way the day setpoint can be watched or changed if the MC 785-DF KLIMA is in the night mode.
Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 7 of 20 Manual start of defrost. By pressing the DEFR key, the defrost can be started manually, and therefor independent of the defrost timer.
Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 8 of 20 Programming internal settings. By pressing the PRG and RESET ALARM ket at the same time for more than 5 seconds, the Interne Parameter menu is entered.
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Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 9 of 20 Description Range Unit Default P 40 Type temperature alarm 0..2 No alarm Absolute alarm Relative to setpoint P 41 Minimum alarm temperature -40..+50...
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Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 10 of 20 Description Range Unit Default P 70 Function analog CH-2 0..7 Measured temperature Measured RH Temperature setpoint RH setpoint P(I) cooling...
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Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 11 of 20 Description Range Unit Default P 110 Switch off delay fan 0..99 minutes P 111 Switch on temperature fan after defrost -40..+50...
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Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 12 of 20 Description Range Unit Default P 145 Fan switch-on threshold P(I) cooling 0..100 P 146 Fan switch-on threshold P(I) heating 0..100...
Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 13 of 20 Operation of the relay outputs. Operation of the cooling and heating. The cooling (default RY5) switches if the temperature is higher than setpoint + offset cooling + differential cooling and switches off if the temperature is lower than setpoint + offset cooling.
Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 14 of 20 Sensor calibration. With parameters P10, P11, P12, P180, P181, P182 and P183 the temperature sensors and RH sensor can be calibrated.
Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 15 of 20 Front view. Frontview MC 785 -DF KLIMA Wallmount drawing 981243 Frontview MC785-DF KLIMA Panelmount drawing 981242...
Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 16 of 20 Connection diagram. Connections MC 785 -DF KLIMA ALFANET Wallmount drawing 010342...
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Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 17 of 20 Connection diagram drawing 980224: LMS Relay Module + LMS 4xPt100 Module + LMS Analog-out Module + LMS Supply Module.
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Operating manual Document nr. : 010346 Version : V1.4 MC 785-DF KLIMA ALFANET Client : General Page : 18 of 20 Connections MC785-KLIMA ALFANET Panelmount drawing 010348...
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