Spec Sheet
ECOTRONIC Heating Control Unit
Solar Energy
KÖB & SCHÄFER GmbH, Flotzbachstr. 33, A-6922 Wolfurt, Tel. +43/5574/6770-0, Fax 65707, E-Mail: [email protected]
We reserve the right to make technical changes.
4050-1
2005-01-31_E
Controller for Solar Domestic Water Heater
[Art. No. ECO-S1]
For use in simple solar facilities as a single control circuit for heating the
domestic water in a solar domestic water heater (Art. No: WSS-...). The
ECO-S1 controller is a supplementary module for the ECO-B1(2)
Controller for Domestic Water Heaters. When the solar collector is
warmer than the domestic water at the bottom, the solar collector heats it
up (adjustable temperature difference: 2-20°C).
Further details:
-
Post-flow period of the solar pump, no/yes: 0-120 sec., adjustable
according to length of line
-
Maximum domestic water temperature (adjustable: 20-90°C)
-
Safety: disconnection of the solar pump at a collector temperature of
140°C; reconnection at 120°C
Includes:
-
Pushbutton for solar system
-
Collector sensor PT-1000
-
Domestic water sensor QAZ 21.5220
-
Controller output for solar pump (1)
Controller for Solar Domestic Water/Heating
[Art. No. ECO-S3]
For use in large-scale solar facilities to heat the domestic water in a solar domestic water heater (Art. No: WSS-...) and
to supply heat to the heat accumulator in the form of a triple control circuit heating system. The first circuit is for heating
the domestic water, the second circuit is for heating the heat accumulator at the back/bottom and the third circuit is for
heating the heat accumulator at the front/top. The heat accumulator is heated by an externally situated plate heat
exchanger. When there is a changeover from the domestic water heater to the heat accumulator, the secondary pump
is switched on, which is then operated with the solar pump. For optimised functioning, the flow rate in the secondary
circuit has to be adapted to the primary circuit (e.g. with flow rate gauges in the primary and secondary circuits).
The following temperature differences are freely adjustable:
Temperature difference of collector/domestic water: 2-20°C
Temperature difference of collector/accumulator, back/bottom: 2-20°C
Further details:
-
Post-flow period of the solar pump, no/yes: 0-120 sec., adjustable according to length of line
-
Disconnection safeguard:
At collector temperature of 140°C
At accumulator temperature of 95°C
-
Optimised domestic water priority (option of either absolute domestic water priority or none at all)
-
Stratified accumulator loading according to the accumulator temperatures, via valve/accumulator, back/accumulator
front (4)
Includes:
-
Pushbutton for solar system
-
Collector sensor PT-1000
-
Domestic water sensor QAZ 21.5220
-
Controller output for solar pump (1)
-
Controller output for valve, domestic water heater/accumulator (2)
-
Controller output for secondary pump (3)
-
Controller output for valve, accumulator back/accumulator front (4)
1
III. thermostatic water mixer
II. solar station with solar pump
RL
VL
T
T
T
QAZ 21.5226
PT 1000
CW
WW
CW
I. solar collector
heater
