VDH MC 785-DF KLIMA Operating Manual Download

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MC 785-DF KLIMA

ALFANET implementation

Operating Manual

(Wall and panel mounting)

Description : MC 785-DF KLIMA ALFANET (RS485)

Thermo/hygrostat

Doc.nr.:

010346

Type:

MANUAL

Number of pages:

Version:

V1.4

File:

Do010346 MC785-DF KLIMA Alfanet v14 EN.wpd

Software: 010187 MC 785 DF Kli Alfanet

Version: V1.03

By:

BJB

Date:

15-02-2018

VDH Products BV

- Roden - Holland

Signed:

File:

Doc'01

Summary of Contents for MC 785-DF KLIMA

Page 1: ...cription MC 785 DF KLIMA ALFANET RS485 Thermo hygrostat Doc nr 010346 Type MANUAL Number of pages 20 Version V1 4 File Do010346 MC785 DF KLIMA Alfanet v14 EN wpd Software 010187 MC 785 DF Kli Alfanet Version V1 03 By BJB Date 15 02 2018 VDH Products BV Roden Holland Signed File Doc 01 ...

Page 2: ...larm 6 3 5 Day night input 6 3 6 Manual start of defrost 7 3 7 Operation of fan control 7 3 8 Readout output percentages of the analog outputs CH 1 untill CH 4 7 4 Programming internal settings 8 4 1 Parameter table 8 5 Operation of the relay outputs 13 5 1 Operation of the cooling and heating 13 5 2 Operation of the humidification and dehumidification 13 5 3 Operation of defrost 13 6 Sensor calib...

Page 3: ...10 5 Used power 9 VA Operation temperature Max 40EC Controller Front Display 4 digit digital display for measured temperature 4 digit digital display for temperature setpoint 4 digit digital display for measured RH 4 digit digital display for RH setpoint LED s COOL LED Relay cooling active HEAT LED Relay heating active DEHUM LeD Relay dehumidification active HUM LED Relay humidification active LED...

Page 4: ...ductive RY4 Spare C NO 250Vac 10A not inductive Please note Relay functions are programmable These are the default settings 1 3 LMS 4x Pt100 module Supply 12Vdc 1 2VA Communication I2 C network 1 2 wire shielded 0V SDA SCL Sensors Pt100 1 3 wire according to DIN IEC 751 programmable Pt100 2 3 wire according to DIN IEC 751 programmable Pt100 3 3 wire according to DIN IEC 751 programmable Pt100 4 3 ...

Page 5: ...ors are assigned as product sensor to the controller it uses them only for readout A selection between four different modes of defrosts can be made no defrost natural defrost electric defrost hotgas defrost The controller has five analog outputs available with a range of 0 10Vdc CH 1 to CH 5 Whereby CH 1 is connected direct to the controller and CH 2 untill CH 5 is connected at the LMS analog out ...

Page 6: ... the UP and DOWN key By pushing the SET key once again the setpoint shows contineously in the display Is the MC 785 DF KLIMA in the day mode DAY LED on and should the night setpoint be watched or changed push the UP or DOWN key and next on the SET key The LED of the other mode flashes the setpoint appears flashing in the display Changing of the setpoint again wuth the UP or DOWN keys and acknoledg...

Page 7: ... Readout output percentages of the analog outputs CH 1 untill CH 4 Press the PRG key and hold it and than press the DEFR SENS key to readout the output percentage of analog output CH 1 The output percentage will appear in the temperature display while the setpoint display shows AnA1 to indicate this readout of CH 1 By pressing the DEFR SENS key without the PRG key the next output percentages will ...

Page 8: ...ferential cooling Offset cooling Differential heating Offset heating Differential dehumidifying Offset dehumidifying Differential humidifying Offset humidifying 0 1 15 15 15 0 1 15 15 15 0 1 15 15 15 0 1 15 15 15 EC EC EC EC RH RH RH RH 0 5 0 0 0 5 0 0 1 0 0 0 1 0 0 0 P 10 P 11 P 12 P 15 Offset temperature sensor Offset defrost sensor Offset RH sensor Defrost sensor present 10 10 10 10 15 15 0 no ...

Page 9: ...tes 1 40 0 50 0 0 0 0 0 0 0 P 50 P 51 P 52 P 53 P 54 P 55 P 56 Type RH alarm 0 No alarm 1 Absolute alarm 2 Relative to setpoint Minimum RH alarm Maximum RH alarm Minimum alarm delay Maximum alarm delay RH control off at minimum alarm RH control off at maximum alarm 0 2 100 100 0 100 0 99 0 99 0 no 1 yes 0 no 1 yes RH RH minutes minutes 1 0 100 0 0 0 0 P 60 P 61 P 62 P 63 P 64 P 65 P 66 P 67 Functi...

Page 10: ...ured RH 2 Temperature setpoint 3 RH setpoint 4 P I cooling 5 P I heating 6 P I dehumidifying 7 P I humidifying 0 V output at 10 V output at Proportional range Offset proportional range Interval value 999 give only P 0 7 100 100 100 100 0 1 15 15 15 1 999 minutes 0 40 0 50 0 1 0 0 0 999 P 90 P 91 P 92 P 93 P 94 P 95 Function analog CH 4 0 Measured temperature 1 Measured RH 2 Temperature setpoint 3 ...

Page 11: ...ural defrost active Defrost based on compressor run time Display fixed during defrost Maximum time display fixed 0 3 1 99 1 99 10 30 40 50 0 no 1 yes 0 no 1 yes 0 no 1 yes 1 99 hours minutes EC EC minutes 0 12 30 5 0 2 0 0 0 0 15 P 130 P 131 P 132 P 133 P 134 P 135 P 136 P 137 If cooling on then 0 nothing off 1 humidify off 2 dehumidify off If heating on then 0 nothing off 1 humidify off 2 dehumid...

Page 12: ...MC 785 DF KLIMA 5 RY5 MC 785 DF KLIMA 6 RY1 LMS relay module 7 RY2 LMS relay module 8 RY3 LMS relay module 9 RY4 LMS relay module Relay heating Relay humidify Relay dehumidify Relay extra function see also P20 Relay defrost Relay fan 0 9 0 9 0 9 0 9 0 9 0 9 0 9 5 4 3 2 1 6 7 P 160 P 161 Network number Log interval 1 250 0 120 minutes 1 5 P 170 P 171 P 172 P 173 Function LMS Pt100 1 0 none 1 extra ...

Page 13: ... the RH is lower than setpoint offset humidification 5 3 Operation of defrost There are four different methods for the defrost 1 No defrost 2 Natural defrost Before the defrost is started a check is done to see if the temperature of the defrost sensor is lower than the defrost release temperature P 94 If this is not the case the defrosted is skipped If the defrost starts the cooling is switched of...

Page 14: ...ntrol alarm P20 1 in normal mode the relay is off and switches on during alarm During alarm the alarm LED on the front flashes Depending on the setting of the Internal Parameters the control will stop or continue An alarm can be caused by Sensor failure E1 Temperature sensor broken E2 RH sensor broken E7 Defrost sensor broken Temperature alarm E3 Minimum temperature alarm E4 Maximum temperature al...

Page 15: ...ng manual Document nr 010346 Version V1 4 MC 785 DF KLIMA ALFANET Client General Page 15 of 20 8 Front view Frontview MC 785 DF KLIMA Wallmount drawing 981243 Frontview MC785 DF KLIMA Panelmount drawing 981242 ...

Page 16: ...Operating manual Document nr 010346 Version V1 4 MC 785 DF KLIMA ALFANET Client General Page 16 of 20 9 Connection diagram Connections MC 785 DF KLIMA ALFANET Wallmount drawing 010342 ...

Page 17: ...ting 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 ...

Page 18: ...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 ...

Page 19: ...erating manual Document nr 010346 Version V1 4 MC 785 DF KLIMA ALFANET Client General Page 19 of 20 10 Dimensions Dimensions MC785 KLIMA Wallmount housing Dimensions MC785 KLIMA Panelmount drawing 961271 ...

Page 20: ...ocument nr 010346 Version V1 4 MC 785 DF KLIMA ALFANET Client General Page 20 of 20 Dimensions LMS Relay Module and LMS Analog out Module drawing 970983 Dimensions LMS Supply Module and LMS 4xPt100 Module drawing 970908 ...

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