Contents
0020257319_02 Hydraulic station Installation and maintenance instructions 15
9 Adapting the unit to the heating
installation.......................................................... 38
9.1 Configuring the heating installation ..................... 38
9.2 Remaining feed head of the product ................... 38
9.3 Setting the flow temperature in heating mode
(with no control connected) ................................. 39
9.4 Instructing the end user ....................................... 39
10 Troubleshooting ................................................ 39
10.1 Contacting your service partner........................... 39
10.2 Displaying the Live Monitor (current product
status) .................................................................. 39
10.3 Checking fault codes ........................................... 39
10.4 Querying the fault memory .................................. 39
10.5 Resetting the fault memory.................................. 39
10.6 Using check programmes.................................... 39
10.7 Resetting parameters to factory settings ............. 39
10.8 Safety cut-out....................................................... 39
10.9 Preparing the repair work .................................... 40
11 Inspection and maintenance ............................ 40
11.1 Inspection and maintenance information............. 40
11.2 Procuring spare parts .......................................... 40
11.3 Checking maintenance messages....................... 40
11.4 Observing inspection and maintenance
intervals ............................................................... 41
11.5 Preparing for inspection and maintenance .......... 41
11.6 Checking the admission pressure of the
expansion vessel ................................................. 41
11.7 Checking and correcting the filling pressure of
the heating installation......................................... 41
11.8 Checking the high-pressure switch-off ................ 41
11.9 Completing inspection and maintenance............. 41
12 Draining .............................................................. 41
12.1 Draining the product's heating circuit................... 41
12.2 Draining the heating installation .......................... 42
13 Decommissioning.............................................. 42
13.1 Temporarily decommissioning the product.......... 42
13.2 Permanently decommissioning the product......... 42
14 Recycling and disposal..................................... 42
14.1 Recycling and disposal........................................ 42
14.2 Disposing of the product and accessories........... 42
14.3 Disposing of the refrigerant ................................. 42
Appendix ............................................................................ 43
A Wiring diagram................................................... 43
B Control PCB ....................................................... 44
C Basic connection diagram for the energy
supply company lockout, shutdown via
connection S21 .................................................. 45
D Basic connection diagram for the energy
supply company lockout, shutdown via
partition .............................................................. 46
E Installer level overview...................................... 47
F Status codes ...................................................... 50
G Maintenance messages .................................... 52
H Comfort protection mode.................................. 53
I Fault codes......................................................... 53
J 5.4 kW back-up heater....................................... 57
K 8.54 kW back-up heater at 230 V ...................... 57
L 8.54 kW back-up heater at 400 V ...................... 58
M Inspection and maintenance work ................... 58
N Characteristic values for the temperature
sensor, refrigeration circuit .............................. 58
O Characteristic values for the internal
temperature sensors, hydraulic circuit ........... 59
P Characteristic values for the VR10
internal temperature sensors, cylinder
temperature........................................................ 60
Q Characteristic values for the VRC DCF
outdoor temperature sensor............................. 61
R Technical data.................................................... 61
S Commissioning Checklist................................. 65
Index ................................................................................... 68
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