11
Configurations
2.0. CONFIGURATIONS
Default configuration is
ACCUMULATION TANK
(without 3-way mixing valve with actuator for return flow
protection and without DHW tank but with return flow temp. sensor).
All other configurations can be set only by authorized serviceman (SERVICE PIN). Configuration schemes and view on
the screen are shown below.
NOTE:
return flow temp. sensor is ENABLED by default, recommended is to install it. If there isn’t possibility to install it, it
can be DISABLED by authorized serviceman (SERVICE PIN).
Scheme 1.
- General scheme of closed central heating system with 1 accumulation tank
1 - Boiler BioTec-C
2 - CAS accumulation tank
3 - Return flow protection 3-way mixing
valve with actuator (60°C) -
RECOMMENDED
4 - Return flow protection 3-way thermic valve (
60°C
)
(VTC 531, LTC 261/271, Laddomat 21)
5 - Expansion vessel for closed systems
(min. 10% of the total volume of installation
6 - Safety airvent unit
7 - Thermal safety valve
8 - Pump P1 (boiler pump)
9 - Accumulation tank sensor (upper)
10 - Accumulation tank sensor (lower)
11 - Return flow sensor
2
bar
M
3
6
8
9
10
5
7
OK
ESC
1
11
2
bar
4
6
8
9
10
5
7
1
OK
ESC
1
2
bar
4
6
8
9
10
5
7
1
OK
ESC
1
- return flow protection with 3-way mixing valve
with actuator and temp. sensor
- return flow protection with 3-way thermostatic
valve and return flow temp. sensor ENABLED
- return flow protection with 3-way thermostatic
valve and return flow temp. sensor DISABLED
2.1. CONFIGURATION VIEW AND SCHEMES
Technical instructions REGULATION
BioTec-C