Hydraulic Systems - LK Armatur SmartBio LK 160 Manuel D'instruction

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Hydraulic system 1.2 – Solid fuel boiler with
thermic valve and storage tank
Hydraulic system 1.2 is intended for solid fuel boilers with a stor-
age tank and a LK 824 ThermoVar thermic valve with double-
acting check valve function. ThermoVar thermic valve ensures a
high return temperature to the solid fuel boiler, thus increasing the
effi ciency of the system. Basic functions as in hydraulic system 1.1.
The pumps and the ThermoVar thermic valve are mounted be-
tween boiler and tank according to the valve instruction.
Abbreviations in hydraulic system 1.1 and 1.2
In-/outputs
TS1 Sensor – Primary heat source
TS2 Sensor – Secondary tank top
TS3 Sensor – Secondary tank bottom (optional)
TS4 Control signal - HE pump (optional)
RO1 Output – Charge pump
RO2 Output – Return pump
REL Relay – Additional heat source (optional)
Parameters
DRD Additional heat source, dynamic delay
BT Charge set temperature
CH Charge temperature hysteresis
CD Charge temperature difference
RD Return temperature difference
RH Return temperature hysteresis
RW Additional heat source, warning margin
RA Additional heat source, on temperature
RO Additional heat source, off temperature
Pump restart delay
Hydraulic system 1.1
Secondary tank
Hydraulic system 1.2
Secondary tank
5
Preset value
0 min x°C
60°C
2 K
1 K
4 K
2 K
5 K
43°C
56°C
0,5 min
Primary heat
source/tank
Primary heat
source/tank
Hydraulic system 2.1 – Main storage tank and
secondary tank
Hydraulic system 2.1 is intended for storage tank installations in
which heat is to be transferred from a main tank to a secondary
tank. Heating water and domestic hot water are taken from the se-
condary tank. By measuring the temperature difference between
the tanks SmartBio controls the charge pump. SmartBio starts
charge pump RO1 when TS1 has reached the set temperature MT
and TS2 is below the set temperature ST + RAO. The pump stops
when TS3 has reached the set temperature SB, TS2 is higher than
TS1 or TS1 is below MT.
If the temperature TS2 in the secondary tank sinks below ST, the
additional heat source starts with selected delay. If charge pump
RO1 is to run at this point the function is assigned in commissio-
ning. The additional heat is activated until the temperature TS2 has
reached the temperature ST + RAO.
Sensor TS1 is mounted in a sensor pocket in the upper part of the
main tank. Sensor TS2 is mounted in a sensor housing in the upper
part of the secondary tank.
Sensor TS3 is mounted in the lower part of the secondary tank.
N.B! The sensors must not be placed on the supply pipe as this
might disturb the function.
Hydraulic system 2.2 - Main storage tank and
secondary tank with thermic valve
The basic functions are the same as in hydraulic system 2.1 but
to avoid high temperatures in plastic pipes a LK 820 ThermoVar
thermic valve is to be installed between the tanks. Thermo Var ther-
mic valves are available with different limit temperatures.
Abbreviations in hydraulic system 2.1 and 2.2
In-/outputs
TS1 Sensor – Main storage tank
TS2 Sensor – Secondary tank top
TS3 Sensor – Secondary tank bottom
TS4 Control signal - HE pump (optional)
RO1 Output – Charge pump
RO2 Output – Thermostat function (optional)
REL Relay – Additional heat source (optional)
Parameters
DRD Additional heat source delay
RW Additional heat source, warning margin
MT Charge temperature
ST Secondary tank, set temperature at top
SB Secondary tank, set temperature at bottom 55°C
RAO Additional heat source, activation hysteresis 3°C
Hydraulic system 2.1
Main storage tank
Hydraulic system 2.2
Main storage tank
Preset value
0 min x°C
5 K
60°C
50°C
Secondary tank
Secondary tank
5