Viessmann SDIO/SM1A Installation And Service Instructions Manual page 33

Keyword index
A
Additional function, DHW heating.............................. 25
C
Capturing the collector temperature...........................25
Central heating backup.............................................. 26
Configuration................................................................9
Connection and wiring diagram..................................29
Cyclical heating.......................................................... 27
D
Differential temperature control.................................. 25
E
Electrical connections.................................................. 7
Extended functions.....................................................25
External heat exchanger............................................ 26
F
Fault codes.................................................................15
Fault messages..........................................................15
Fault removal............................................................. 15
Faults......................................................................... 15
Flow rate monitoring...................................................24
Frost protection.................................................... 25, 28
Function description with SDIO/SM1A electronics mod-
ule and PlusBus......................................................... 27
Function description with SM1 and KM-BUS............. 22
Functions, setting......................................................... 9
H
Heat statement.....................................................24, 28
I
Incorrect circulation.................................................... 17
Indirect cylinder heating............................................. 26
Interval function..........................................................25
Isolators........................................................................8
M
Maximum collector temperature...........................23, 27
Minimum collector temperature............................23, 27
Minimum temperature.......................................... 23, 27
N
Night circulation monitoring........................................24
P
Power supply................................................................8
Priority control............................................................ 26
R
Reduction of stagnation time......................................24
Reheating suppression........................................ 23, 27
Repairs.......................................................................15
S
Sensor curves............................................................ 16
Solar DHW heating.............................................. 22, 27
Solar harvest.............................................................. 24
Solar yield............................................................ 24, 28
Specification...............................................................29
Stagnation time reduction.......................................... 27
Suppression of reheating..................................... 23, 27
System examples.........................................................6
T
Temperature sensors................................................. 16
Thermostat function................................................... 26
Troubleshooting..........................................................15
V
Variable speed solar circuit pump.............................. 22
Keyword index
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