HORA MC55/24 - Section 4

Table of contents
Linear actuators MC220 • MC223
Operating Manual Version 1.0 - September 2021 3
Table of contents
1 Safety ......................................................................... 4
1.1 Proper use ...............................................................4
1.2 Information for the operator ..................................... 4
1.3 Personnel................................................................. 5
1.4 Prior to starting work................................................ 5
1.5 During operation ......................................................5
1.6 Working environment............................................... 5
2 Product Specification ............................................... 6
2.1 Component parts ..................................................... 6
2.2 Accessories .............................................................7
2.3 Operating modes .....................................................7
2.3.1 Continuous mode ......................................... 7
2.3.2 Three-point mode .........................................8
2.4 Functions ................................................................. 8
2.4.1 Binary signal / frost protection function......... 8
2.4.2 Blockage detection ....................................... 8
2.4.3 Wire break detection..................................... 8
2.4.4 Actuating time............................................... 9
2.4.5 Hysteresis..................................................... 9
2.4.6 Manual mode and response signal............... 9
2.4.7 Auto test .......................................................9
2.4.8 Auto pause ................................................... 9
2.4.9 Potential-free limit switch (accessory) .......... 9
2.5 Technical data ....................................................... 10
2.6 Type plate .............................................................. 11
3 Transportation & Storage.......................................11
4 Assembly..................................................................12
4.1 Checking the scope of delivery ..............................12
4.2 Preparing assembly ...............................................12
4.3 Mounting the linear actuator on the valve ..............13
4.4 Assembling/disassembling the cover.....................15
4.5 Electrical connection ..............................................16
4.5.1 Controller independent circuit .....................18
4.5.2 Removing the PCB cover ...........................19
4.6 Fitting accessories .................................................20
4.6.1 Fitting a PCB for a path switch ...................20
4.6.2 Fitting the PCB for the mA output signal.....21
5 Commissioning........................................................24
5.1 Operating parameters and encoding switch settings .
25
5.2 Setting the input signal...........................................25
5.3 Setting the hysteresis.............................................25
5.4 Setting the actuating direction................................25
5.5 Setting auto test and auto pause ...........................26
5.6 Setting the limit position .........................................27
5.7 Setting a potential-free path switch........................27
5.8 Initialising the path measuring system ...................29
5.9 Commissioning.......................................................30
6 Operation..................................................................31
6.1 Changing between manual and automatic mode...31
6.2 LED display............................................................32
7 Maintenance, care and repairs ...............................32
8 Spare parts...............................................................32
9 Decommissioning and disposal.............................33
10 Removal of faults.....................................................33
10.1 How to remedy faults .............................................33
10.2 Check list for breakdown........................................34