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Installation and maintenance
instructions
Contents
1
Safety ................................................................ 202
1.1
Intended use ...................................................... 202
1.2
Qualification ....................................................... 202
1.3
General safety information ................................ 202
1.4
Regulations (directives, laws, standards) .......... 205
2
Notes on the documentation .......................... 206
2.1
Further information ............................................ 206
3
Product description......................................... 206
3.1
Cooling mode..................................................... 206
3.2
Product overview ............................................... 206
3.3
Information on the data plate ............................. 207
3.4
Connection symbols .......................................... 207
3.5
Application limits ................................................ 208
3.6
Heating water minimum flow volume................. 208
4
Set-up................................................................ 209
4.1
Unpacking the product....................................... 209
4.2
Checking the scope of delivery.......................... 209
4.3
Selecting the installation site ............................. 209
4.4
Guaranteeing the minimum installation area
of the installation room....................................... 209
4.5
Dimensions ........................................................ 211
4.6
Minimum clearances and installation
clearances ......................................................... 211
4.7
Product dimensions for the transport................. 211
4.8
Transporting the product ................................... 212
4.9
Separating the product into two modules
where necessary................................................ 212
4.10
Removing the casing ......................................... 213
4.11
Swivelling the electronics box open................... 214
4.12
Installing the casing ........................................... 214
4.13
Setting up the indoor unit................................... 215
4.14
Removing the carrying straps ............................ 216
5
Hydraulics installation .................................... 216
5.1
Carrying out the installation preparations .......... 216
5.2
Routing the condensate discharge hose ........... 216
5.3
Permissible total refrigerant volume .................. 217
5.4
Routing refrigerant pipes ................................... 217
5.5
Connecting the refrigerant pipes ....................... 217
5.6
Checking the refrigerant pipes for tightness ...... 218
5.7
Installing the domestic hot and cold water
connection ......................................................... 218
5.8
Installing the heating circuit connections ........... 218
5.9
Connecting additional components ................... 219
6
Electrical installation....................................... 219
6.1
Preparing the electrical installation.................... 219
6.2
Requirements for the quality of the mains
voltage ............................................................... 219
6.3
Requirements for electrical components ........... 219
6.4
Electrical partition .............................................. 220
200
6.5
Installing components for the energy supply
company lockout function .................................. 220
6.6
Opening the electronics box .............................. 220
6.7
Carrying out the wiring....................................... 220
6.8
Establishing the power supply ........................... 221
6.9
Limiting the power consumption ........................ 222
6.10
Routing the communication cables.................... 222
6.11
Connecting the Modbus cable ........................... 222
6.12
Installing the wired system control..................... 223
6.13
Connecting the external circulation pump ......... 223
6.14
Actuating a circulation pump with an eBUS
control ................................................................ 223
6.15
Connecting a limit thermostat for the
underfloor heating.............................................. 223
6.16
Connecting the external prioritising diverter
valve (optional) .................................................. 223
6.17
Connecting the SR 70/SR 71 mixer module...... 223
6.18
Using the additional relays ................................ 223
6.19
Connecting cascades ........................................ 223
6.20
Closing the electronics box................................ 223
6.21
Checking the electrical installation .................... 223
7
Operation.......................................................... 223
7.1
Operating concept of the product ...................... 223
8
Start-up ............................................................. 223
8.1
Checking before switching on............................ 223
8.2
Checking and treating the heating
water/filling and supplementary water ............... 224
8.3
Filling and purging the heating installation ........ 224
8.4
Filling the domestic hot water circuit.................. 225
8.5
Purging .............................................................. 225
8.6
Switching on the product ................................... 225
8.7
Running the installation assistants .................... 226
8.8
Menu functions without the optional system
control ................................................................ 226
8.9
Energy balance control ...................................... 226
8.10
Compressor hysteresis ...................................... 227
8.11
Enabling the electric back-up heater ................. 227
8.12
Setting the anti-legionella function..................... 227
8.13
Calling up the installer level ............................... 227
8.14
Restarting the installation assistants ................. 227
8.15
Calling up statistics ............................................ 227
8.16
Using check programmes .................................. 227
8.17
Carrying out the actuator test ............................ 227
8.18
Screed drying without the outdoor unit and
system control.................................................... 227
8.19
Starting up the optional system control ............. 228
8.20
Preventing low water pressure in the heating
circuit ................................................................. 228
8.21
Checking function and leak-tightness................ 228
9
Adapting the unit to the heating
installation........................................................ 228
9.1
Configuring the heating installation ................... 228
9.2
Remaining feed head of the product ................. 229
9.3
Setting the min. and max. flow temperature
in heating mode (with no control connected)..... 229
9.4
Instructing the end user ..................................... 229
Installation and maintenance instructions 8000017440_FT
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