Glow-worm Energy7 25c -A, Installation And Maintenance Instructions Manual, Page: 2 / 64

Contents
2
Installation and maintenance instructions Energy
7
0020300875_01
Contents
1 Safety .................................................................... 4
1.1 Intended use .......................................................... 4
1.2 Qualification ........................................................... 4
1.3 General safety information .................................... 4
1.4 Regulations (directives, laws, standards) .............. 6
1.5 List of relevant standards for Great Britain and
Ireland.................................................................... 6
2 Guarantee and Customer Service...................... 7
3 Technical data...................................................... 8
4 Notes on the documentation ............................ 11
5 Product description........................................... 12
5.1 CE marking .......................................................... 12
5.2 Benchmark........................................................... 12
5.3 Information on the data plate............................... 12
5.4 Functional elements: Combi boiler ...................... 13
5.5 Safety Devices..................................................... 13
6 Set-up.................................................................. 14
6.1 Unpacking the product......................................... 14
6.2 Checking the scope of delivery............................ 14
6.3 Dimensions .......................................................... 14
6.4 Installation site ..................................................... 15
6.5 Minimum clearances............................................ 15
6.6 Compartment Ventilation ..................................... 15
6.7 Air/flue pipe.......................................................... 15
6.8 Using the mounting template............................... 20
6.9 Wall-mounting the product................................... 20
6.10 Removing/installing the front casing.................... 21
6.11 Removing/installing the side section ................... 21
7 Installation.......................................................... 22
7.1 Preparing for installation...................................... 22
7.2 Flushing the heating installation for the first
time ("cold") ......................................................... 22
7.3 Checking the gas meter....................................... 22
7.4 Checking the gas flow rate .................................. 22
7.5 Gas and water connections ................................. 22
7.6 Connecting the drain pipework for the
expansion relief valve .......................................... 23
7.7 Connecting the condensate discharge pipe ........ 24
7.8 Flue installation.................................................... 26
7.9 Electrical installation ............................................ 26
8 Operation............................................................ 28
8.1 Using diagnostics codes...................................... 28
8.2 Displaying the status codes................................. 28
8.3 Using check programmes.................................... 28
9 Start-up ............................................................... 29
9.1 Carrying out the initial start-up............................. 29
9.2 Heating water supply in the sealed heating
system ................................................................. 29
9.3 Checking and treating the heating water/filling
and supplementary water .................................... 29
9.4 Filling the condensate siphon .............................. 30
9.5 Checking the gas type ......................................... 31
9.6 Checking the factory setting ................................ 31
9.7 Avoiding danger arising from insufficient water
pressure............................................................... 31
9.8 Switching on the product ..................................... 31
9.9 Filling and purging the heating installation .......... 31
9.10 Filling the domestic hot water circuit.................... 31
9.11 Checking the gas setting ..................................... 32
9.12 Thoroughly flushing the heating installation
("hot")................................................................... 33
9.13 Checking leak-tightness ...................................... 33
10 Adapting the unit to the installation ................ 35
10.1 Setting the burner anti-cycling time ..................... 35
10.2 Setting the pump output....................................... 35
10.3 Setting the bypass valve...................................... 35
10.4 Setting the domestic hot water temperature........ 36
11 Handing over to the end user ........................... 36
12 Inspection and maintenance ............................ 37
12.1 Using original seals.............................................. 37
12.2 Observing inspection and maintenance
intervals ............................................................... 37
12.3 Procuring spare parts .......................................... 37
12.4 Checking the CO
₂
content ................................... 37
12.5 Removing the gas-air mixture unit....................... 37
12.6 Cleaning the heat exchanger............................... 38
12.7 Checking the burner ............................................ 38
12.8 Checking the ignition electrode ........................... 38
12.9 Cleaning the condensate siphon ......................... 38
12.10 Cleaning the strainer in the cold water inlet......... 39
12.11 Cleaning the heating filter.................................... 39
12.12 Installing the gas-air mixture unit......................... 39
12.13 Draining the product ............................................ 39
12.14 Checking the pre-charge pressure of the
expansion vessel ................................................. 39
12.15 Completing inspection and maintenance work .... 39
12.16 Checking the product for leak-tightness .............. 39
13 Troubleshooting ................................................ 40
13.1 Eliminating faults.................................................. 40
13.2 Calling up the fault memory................................. 40
13.3 Deleting the fault memory.................................... 40
13.4 Resetting parameters to factory settings ............. 40
13.5 Preparing the repair work .................................... 40
13.6 Replacing defective components......................... 40
13.7 Checking the product for leak-tightness .............. 43
14 Decommissioning the product......................... 44
15 Recycling and disposal..................................... 44
Appendix ............................................................................ 45
A
Inspection and maintenance work................... 45
B Check programmes
–
Overview ....................... 46
C Overview of diagnostics codes........................ 47
D Status codes
–
Overview .................................. 50
E Overview of fault codes .................................... 51
F Wiring diagram: Combi boiler .......................... 54
G Wiring diagram: Combi boiler (35 kW) ............ 55
H Commissioning Checklist................................. 56