Table of Contents
HyCassette-Geko
6
PR-2015-0159-GB • Subject to modifications • R1-11/2015
6.6 Connecting electric heater (for units without MATRIX 3500) .........70
6.6.1 Connection value of electric heating and fusing ........................71
6.7 Connection of staged motors (AC motors) with control by others ..71
6.8 Connection of EC motors with control by others ............................72
6.8.1 Actuation of EC motor in units with an electric heater ...............73
6.9 DencoHappel MATRIX control electronics .....................................74
6.10 Mounting control panel ................................................................74
6.11 Electrical connection with DencoHappel MATRIX .......................75
6.11.1 Connecting mains supply voltage for controller .......................75
6.11.2 Connecting control cables ........................................................76
6.11.3 Completing bus connection
76
6.11.4 Connecting supply-air sensor (for subsequent retrofitting)
77
6.11.5 Connecting room sensor/return-air sensor (option) .................78
6.11.6 Connecting inlet sensor ...........................................................78
6.11.7 Connecting status and fault signal
78
6.11.8 Connecting function input ........................................................79
6.11.9 Valve connection 230 V valve ..................................................80
6.11.10 Valve connection 24 V valve ..................................................82
6.12 Network and shielding connection MATRIX.Net ........................84
6.12.1 Group structure ........................................................................84
6.12.2 Network structure MATRIX.Net ................................................86
6.12.3 Topologies of network MATRIX.Net .........................................87
6.12.4 Line structure ...........................................................................87
6.12.5 Line structure with branch feeder .............................................88
6.12.6 Network set up MATRIX.Net
89
6.13 Electrical connection for staged motors (AC motor) with
DencoHappel miniature switches/relay CET.AC/PCB .........................90
6.13.1 Connection with staged motors (AC motors) with and without
PCB .....................................................................................................92
6.13.2 Operating mode Only Heating (2-pipe system)
93
6.13.3 Operating mode Only Cooling (2-pipe system) ........................93
6.13.4 Operating mode Heating or Cooling (2-pipe system) ...............93
6.13.5 Operating mode Heating and Cooling
(4-pipe system/2-pipe system and electronic heating) ........................93
6.14 Electrical connection for EC motors with DencoHappel
miniature switches CET EC .................................................................94
6.14.1 Operating mode Only Heating (2-pipe system)
95
6.14.2 Operating mode Only Cooling (2-pipe system) ........................95
6.14.3 Operating mode Heating or Cooling (2-pipe system) ...............95
6.14.4 Operating mode Heating and Cooling (4-pipe system) ............96
6.14.5 Sensors and control inputs ......................................................96
6.14.6 Miniature switch CET
98
7 Commissioning .......................................................................102
7.1 Safety check ..................................................................................102
7.1.1 Pre-commissioning checklist ......................................................102
7.2 Checking the control and shut-off valves .......................................103
