Contents
0020297937_01 aroTHERM plus Installation and maintenance instructions
107
Installation and maintenance
instructions
Contents
1
Safety ................................................................ 109
1.1
Action-related warnings ..................................... 109
1.2
Intended use ...................................................... 109
1.3
General safety information ................................ 109
1.4
Regulations (directives, laws, standards) .......... 110
2
Notes on the documentation .......................... 111
2.1
Documents......................................................... 111
2.2
Validity of the instructions.................................. 111
2.3
Further information ............................................ 111
3
Product description......................................... 111
3.1
Heat pump system............................................. 111
3.2
Description of the product.................................. 111
3.3
Functions of the heat pump ............................... 111
3.4
Product design................................................... 112
3.5
Information on the data plate............................. 113
3.6
Warning sticker .................................................. 113
3.7
CE marking ........................................................ 113
3.8
Application limits ................................................ 114
3.9
Thawing mode ................................................... 114
3.10
Safety devices ................................................... 114
4
Protective zone ................................................ 115
4.1
Protective zone .................................................. 115
4.2
Safer design of the condensate discharge ........ 116
5
Set-up................................................................ 116
5.1
Checking the scope of delivery.......................... 116
5.2
Transporting the product ................................... 116
5.3
Dimensions ........................................................ 116
5.4
Complying with minimum clearances ................ 117
5.5
Conditions for the installation type..................... 118
5.6
Selecting the installation site ............................. 118
5.7
Preparing for fitting and installation ................... 119
5.8
Ground installation............................................. 119
5.9
Wall installation.................................................. 120
5.10
Flat-roof installation ........................................... 120
6
Hydraulics installation .................................... 121
6.1
Installation type: Direct connection or system
separation .......................................................... 121
6.2
Guaranteeing the minimum circulation water
volume ............................................................... 121
6.3
Requirements for hydraulic components ........... 121
6.4
Preparing the hydraulics installation.................. 121
6.5
Routing pipelines to the product ........................ 121
6.6
Connecting the pipelines to the product ............ 121
6.7
Completing the hydraulics installation ............... 122
6.8
Option: Connecting the product to a
swimming pool ................................................... 122
7
Electrical installation....................................... 122
7.1
Preparing the electrical installation.................... 122
7.2
Requirements for the quality of the mains
voltage ............................................................... 123
7.3
Requirements for electrical components ........... 123
7.4
Electrical partition .............................................. 123
7.5
Installing components for the energy supply
company lockout function .................................. 123
7.6
Removing the cover for the electrical
connections........................................................ 123
7.7
Stripping the electrical wire................................ 123
7.8
Establishing the power supply, 1~/230V............ 124
7.9
Establishing the power supply, 3~/400V............ 124
7.10
Connecting the eBUS line ................................. 125
7.11
Connecting a limit thermostat ............................ 125
7.12
Connecting accessories .................................... 125
7.13
Installing the cover for the electrical
connections........................................................ 125
8
Start-up ............................................................. 125
8.1
Checking before switching on............................ 125
8.2
Switching on the product ................................... 125
8.3
Checking and treating the heating
water/filling and supplementary water ............... 125
8.4
Filling and purging the heating circuit ................ 126
8.5
Available remaining feed pressure .................... 127
9
Adapting the unit to the installation .............. 127
9.1
Adapting the settings on the indoor unit's
control ................................................................ 127
10
Handing over to the end user ......................... 127
10.1
Instructing the end user ..................................... 127
11
Troubleshooting .............................................. 127
11.1
Fault messages ................................................. 127
11.2
Other faults ........................................................ 127
12
Inspection and maintenance .......................... 127
12.1
Preparing for inspection and maintenance ........ 127
12.2
Observing the work plan and intervals .............. 128
12.3
Procuring spare parts ........................................ 128
12.4
Removing the casing sections........................... 128
12.5
Checking the protective zone ............................ 129
12.6
Closing the purging valve .................................. 129
12.7
Cleaning the product.......................................... 129
12.8
Checking the evaporator, fan and
condensate discharge ....................................... 129
12.9
Checking the refrigerant circuit.......................... 129
12.10
Checking the refrigerant circuit for tightness ..... 130
12.11
Checking the electrical connections and
electrical wires ................................................... 130
12.12
Checking the small damping feet for wear ........ 130
12.13
Completing inspection and maintenance........... 130
12.14
Installing the casing sections............................. 130
13
Repair and service........................................... 130
13.1
Preparing repair and service work on the
refrigerant circuit ................................................ 130
13.2
Removing/installing components of the
refrigerant circuit ................................................ 131
