Operating instructions
System settings (Service menu – Settings)
Logamatic EMS RC35 programming unit - Subject to technical modifications
30
6 
What is the desired 
maximum flow 
temperature?
25 °C to 60 °C 45 °C 
2)
For how many days 
should maximum flow 
temp. be maintained?
0 days to 20 days 4 days
2)
Every how many days 
should the flow temp. 
be reduced?
direct normal 
operat., every day, 
every 2nd day to 
every 5th day
Every day
2)
By how many K should 
the flow temp. be 
reduced each time? 
0 K to 20 K 5 K Adjustment only if, for flow 
temperature reduction,“direct normal 
operat.” has not been selected.
4)
Do you wish to change 
the switching 
programme?
yes, no no When selecting “yes” the system 
jumps to the heating circuit 
switching program.
Should the switching 
programme be optimised?
yes, no no Start and stop times are 
automatically adjusted according to 
the outside temperature, room 
temperature and building type (heat 
storage capacity).
What reduction mode 
should be used for 
holiday?
Outdoor setback 
mode, 
reduced operation, 
Room setback 
mode, shut-down 
mode
Outdoor 
setback 
mode
See page 33.
Adjustment “Room setback mode” 
only if a remote control (e.g. RC2x) 
has been allocated to the heating 
circuit. 
If “reduced operation” has been 
selected, the standard night temper-
ature will be applied.
What outside temp. 
should be used?
– 20 °C to 
+10 °C
5 °C Temperature threshold for outdoor 
setback mode (Æ page 33).
Adjustment only if setback mode for 
holiday was set to “Outdoor setback 
mode.”
1) The setting range can be limited, subject to boiler.
2) Not possible or available on boilers with UBA1.x or DBA.
Menu item Input range
Factory 
setting Other information
Tab. 12 Navigator for service menu SETTINGS\HTG. CIRC. 1










