Table of contents
Installer reference guide
2
RVLQ05+08CAV4 + RHYHBH05AA + RHYHBH/X08AA +
RHYKOMB33AA
ROTEX HPU hybrid
4P355635-1 – 2013.05
Table of contents
1 About the product 3
2 About the documentation 4
2.1 About this document.................................................................. 4
3 General safety precautions 4
3.1 About the documentation........................................................... 4
3.1.1 Meaning of warnings and symbols.............................. 4
3.2 For the installer.......................................................................... 5
3.2.1 General ....................................................................... 5
3.2.2 Installation site ............................................................ 5
3.2.3 Refrigerant .................................................................. 5
3.2.4 Water .......................................................................... 6
3.2.5 Electrical ..................................................................... 6
3.2.6 Gas ............................................................................. 6
3.2.7 Gas exhaust................................................................ 7
3.2.8 Local legislation .......................................................... 7
4 About the box 7
4.1 Outdoor unit............................................................................... 7
4.1.1 To unpack the outdoor unit ......................................... 7
4.1.2 To remove the accessories from the outdoor unit....... 8
4.2 Indoor unit.................................................................................. 8
4.2.1 To unpack the indoor unit ........................................... 8
4.2.2 To remove the accessories from the indoor unit......... 8
4.3 Gas boiler .................................................................................. 9
4.3.1 To unpack the gas boiler............................................. 9
4.3.2 To remove the accessories from the gas boiler .......... 9
5 About the units and options 10
5.1 Identification .............................................................................. 10
5.1.1 Identification label: Outdoor unit ................................. 10
5.1.2 Identification label: Indoor unit .................................... 10
5.1.3 Identification label: gas boiler...................................... 10
5.2 Possible combinations of units and options............................... 11
5.2.1 List of options for outdoor unit..................................... 11
5.2.2 List of options for indoor unit....................................... 11
5.2.3 List of options for gas boiler ........................................ 12
5.2.4 Possible combinations of indoor unit and outdoor
unit .............................................................................. 14
5.2.5 Possible combinations of indoor unit and domestic
hot water tank ............................................................. 14
6 Preparation 14
6.1 Preparing installation site .......................................................... 14
6.1.1 Installation site requirements of the outdoor unit ........ 14
6.1.2 Additional installation site requirements of the
outdoor unit in cold climates ....................................... 15
6.1.3 Installation site requirements of the indoor unit .......... 15
6.2 Preparing refrigerant piping ....................................................... 15
6.2.1 Refrigerant piping insulation ....................................... 15
6.2.2 Refrigerant piping requirements.................................. 16
6.3 Preparing water piping............................................................... 16
6.3.1 Water circuit requirements .......................................... 16
6.3.2 Formula to calculate the expansion vessel pre-
pressure ...................................................................... 17
6.3.3 To check the water volume ......................................... 17
6.3.4 Changing the pre-pressure of the expansion vessel... 18
6.3.5 To check the water volume: Examples ....................... 18
6.4 Preparing electrical wiring ......................................................... 18
6.4.1 About preparing electrical wiring................................. 18
6.4.2 About preferential kWh rate power supply .................. 19
6.4.3 Overview of electrical connections except external
actuators ..................................................................... 19
6.4.4 Overview of electrical connections for external and
internal actuators ........................................................ 20
7 Installation 20
7.1 Opening the units ...................................................................... 20
7.1.1 To open the outdoor unit............................................. 20
7.1.2 To open the switch box cover of the indoor unit ......... 20
7.1.3 To open the gas boiler ................................................ 21
7.1.4 To open the switch box cover of the gas boiler........... 21
7.2 Mounting the outdoor unit.......................................................... 21
7.2.1 To prepare the installation structure ........................... 21
7.2.2 To install the outdoor unit............................................ 22
7.2.3 To prepare drain work................................................. 23
7.2.4 To prevent the outdoor unit from falling over .............. 23
7.3 Mounting the indoor unit ............................................................ 24
7.3.1 To install the indoor unit.............................................. 24
7.4 Mounting the gas boiler ............................................................. 24
7.4.1 To install the gas boiler ............................................... 24
7.4.2 To install the condensate trap..................................... 25
7.5 Condensate pipe work............................................................... 26
7.5.1 Internal connections.................................................... 26
7.5.2 External connections................................................... 26
7.6 Connecting the refrigerant piping .............................................. 26
7.6.1 Pipe bending guidelines.............................................. 27
7.6.2 To flare the pipe end ................................................... 27
7.6.3 To braze the pipe end ................................................. 27
7.6.4 To handle the stop valve............................................. 28
7.6.5 To open/close the stop valve ...................................... 28
7.6.6 To handle the stem cap .............................................. 28
7.6.7 To handle the service cap........................................... 28
7.6.8 To connect the refrigerant piping to the outdoor unit .. 28
7.6.9 To connect the refrigerant piping to the indoor unit .... 29
7.6.10 About checking the refrigerant piping ......................... 29
7.6.11 To check for leaks....................................................... 29
7.6.12 To perform vacuum drying .......................................... 29
7.6.13 To determine the additional refrigerant amount .......... 30
7.6.14 To calculate the complete recharge amount............... 30
7.6.15 To charge refrigerant .................................................. 30
7.6.16 To fix the fluorinated greenhouse gases label ............ 30
7.7 Connecting the water piping ...................................................... 31
7.7.1 Connecting the water piping of the indoor unit............ 31
7.7.2 Connecting the water piping of the gas boiler............. 31
7.7.3 To fill the space heating circuit.................................... 32
7.7.4 To fill the domestic water circuit of the gas boiler ....... 32
7.7.5 To fill the domestic hot water tank .............................. 32
7.7.6 To insulate the water piping ........................................ 32
7.8 Connecting the electrical wiring................................................. 32
7.8.1 About electrical compliance ........................................ 33
7.8.2 To connect the electrical wiring on the outdoor unit.... 33
7.8.3 To connect the electrical wiring on the indoor unit...... 33
7.8.4 To connect the main power supply of the indoor unit . 34
7.8.5 To connect the main power supply of the gas boiler... 35
7.8.6 To connect the communication cable between gas
boiler and indoor unit .................................................. 35
7.8.7 To connect the user interface ..................................... 36
7.8.8 To connect the shut-off valve...................................... 37
7.8.9 To connect the electrical meter................................... 37
7.8.10 To connect the gas meter ........................................... 38
7.8.11 To connect the domestic hot water pump ................... 38
7.8.12 To connect the alarm output ....................................... 38
7.8.13 To connect the space cooling/heating ON/OFF
output .......................................................................... 38
7.8.14 To connect the power consumption digital inputs ....... 39
7.9 Connecting the gas piping ......................................................... 39
7.9.1 To connect the gas pipe.............................................. 39
7.10 Connecting the boiler to the flue gas system............................. 39
7.10.1 To change the gas boiler to 80/125 concentric
connection................................................................... 39
7.10.2 To change the 60/100 concentric connection to a
dual pipe connection ................................................... 40
7.10.3 Calculate the total piping length.................................. 40
7.10.4 Appliance categories and pipe lengths ....................... 41
7.10.5 Applicable materials.................................................... 43