VDH MC 785D Operating Manual
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VDH MC 785D Operating Manual

Wall and panel mounting
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Description:
MC 785D Thermostat
Type:
MANUAL
File: Do021171 MC785D 0-100'C v10 EN.wp8
Software:
MC785D1 (0-100
VDH Products BV - Roden - Holland
MC 785D
0/+100°C
Operating Manual
wall and panel mounting
Number of pages: 20
By:
O
C) V1.00
Signed:
Doc.nr.:
Version:
BJB
Date:
06-06-2002
File:
021171
V1.0
Doc'02

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Summary of Contents for VDH MC 785D

  • Page 1 Description: MC 785D Thermostat Doc.nr.: 021171 Type: MANUAL Number of pages: 20 Version: V1.0 File: Do021171 MC785D 0-100'C v10 EN.wp8 Date: 06-06-2002 Software: MC785D1 (0-100 C) V1.00 VDH Products BV - Roden - Holland Signed: File: Doc'02...

  • Page 2: Table Of Contents

    Dimensions............. . 19 The information contained in this document is assumed to be accurate. However VDH Products BV accepts...

  • Page 3: Technical Specifications

    Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 3 of 20 Technical specifications. General Type : MC 785D Wall mounting: Housing : Grey plastic Material : Polystyrol 454h KG 2 natur BASF...

  • Page 4: Functional Specifications

    The MC 785D has two analog outputs with a range of 0/+10Vdc. The function of these outputs can be programmed as measuring signal, setpoint signal or a P(I) control for the cooling or heating.

  • Page 5: Control Of The Thermostat

    The error message remains in the display, until the cause of the error is solved. Day/night input. If the NIGHT input is closed, the MC 785D turns to the night mode. The NIGHT LED will light. The setpoints are increased with the night offset.

  • Page 6: Programming Internal Settings

    Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 6 of 20 Programming internal settings. By pressing the RESET ALARM and SENS key simultaneously for more than 5 seconds, the Internal Parameter menu is entered. The temperature display shows a P with a number. With the UP and DOWN key the desired parameter can be selected.
  • Page 7 Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 7 of 20 Number Description Range Value Default Setting of the relays P 21 Function relay 2 0..1 0 = cooling 1 = heating...
  • Page 8 Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 8 of 20 Number Description Range Value Default Setting analog outputs P 61 Function analog output 1 0..3 0 = Average control temp.

  • Page 9: Operation Relay Outputs

    Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 9 of 20 Operation relay outputs. Function selection of the thermostat. With parameter P 01 the function of the thermostat is selected. 0 (D) = 1-stage thermostat with one setpoint and one relay output.

  • Page 10: Sensor Calibration

    Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 10 of 20 Sensor calibration. With the parameters P15 to P18 the temperature sensors can be calibrated. Indicates temperature sensor 1 e.g. 0,2°C too much, the offset (P 15) should be set at -0,2°C.

  • Page 11: Advanced Programming

    Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 11 of 20 Advanced Programming. By pressing the SETP. and SENS key simultaneously for more than 5 seconds, the Advanced Parameter menu is entered. The temperature display shows an A with a number. With the UP and DOWN key the desired parameter can be selected.
  • Page 12 Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 12 of 20 Number Description Range Value Default Sensor offset A 210 Offset temperature sensor 1 -10..+10 A 220 Offset temperature sensor 2 -10..+10...
  • Page 13 Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 13 of 20 Number Description Range Value Default Setting of the alarms A 610 Alarm setting thermostat 1 0..2 0 = No alarm...
  • Page 14 Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 14 of 20 Number Description Range Value Default A 730 Minimum setpoint thermostat 3 0..+100 A 731 Maximum setpoint thermostat 3 0..+100 +100.0...
  • Page 15 Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 15 of 20 Number Description Range Value Default Analog output 2 A 820 Function analog output 2 0..19 0 = Control temp. thermostat 1 1 = Control temp.

  • Page 16: Front Views

    Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 16 of 20 Front views. Front view MC 785-D wall mount drawing 961462 Front view MC 785-D panel mount drawing 981698...

  • Page 17: Connection Diagrams

    Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 17 of 20 Connection diagrams. Connection diagram MC785-D wall mount drawing 961461...
  • Page 18 Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 18 of 20 Connection diagram MC785-D panel mount drawing 981710...

  • Page 19: Dimensions

    Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 19 of 20 Dimensions. Dimensions Wall mount drawing 940024...
  • Page 20 Operation Manual Document nr. : 021171 Version : V1.0 MC 785D 0/+100 Client : General Page : 20 of 20 Dimensions Panel mount drawing 961271 -.-.-.-.-.-.-.-.-.

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