47
ECOTHERM
Heat transfer solutions
®
Operating Instructions High Capacity Water Heaters Models EHRE/EHPE & EDRE - ELC 11
the following chart has to be completed by a service technician at commissioning.
to test for possible faults, check that the fuses have not blown, and check relaistests to identify control unit output
values. If the water cooler is switched on, then the condition of the outputs can be checked in the control-LEDs in any
operating mode. if the water heater is switched off, then the individual outputs can be switched on or off manually. to
change a particular output value, choose from keys 1 to 8 and alter the value by pressing key again. Most operating
conditions to be tested and simulated in this way.
13. Identifying faults
14. Summary of parameter settings
identifying faults, Parameter
Summary of parameter settings
Display page - Description
Value range
Factory
settings
Value
entered
Date
Value
entered
Date:
7.3.2.2.
- Opterating mode
Normal-Peak
normal
7.3.2.2.
- Set Charging temperature (T3 minus 2)
40--
(Bild S26)
60°C
7.3.2.5.2
- Set Heating ON (T1 below ...)
40
--
(Bild S6 minus 3)
55°C
7.3.2.5.1
- Set charging OFF (T2 above ...)
30--90°C
55°C
7.3.2.5.8
- Set charging ON (T4 above T3)
-50--50°C
7°C
7.3.2.5.9
- Set descale internal T3&T4, external
internal/external
internal
7.3.2.5.9
- Set descale ON temp. (T3, T4 above ...)
40--99°C
46°C
7.3.2.5.9
- Set descale OFF temp. (T3, T4 below ...) 25--99°C
40°C
7.3.2.5.10
- Duration of single-run defouling
0--10 Min.
0 Min.
7.3.2.5.11
- Duration of auto-descale period (internal) 0--99 Sec.
15 sec.
7.3.2.5.11
- Duration of auto-descale period (external) 0--99 sec.
10 sec.
- Set max boiler feed temp. (T4 below...)
5--200°C
99°C
7.3.2.5.12
- Set value, control unit factor P
0--10
3
7.3.2.5.12
- Set value, control unit factor I
0--5
1
7.3.2.5.12
- Set value, control unit factor D
0--9
0
7.3.2.5.12
- Valve operating time
0--240 Sec.
60 sec.
7.3.2.5.4
- Excess boiler heat run-on time
0--10 min.
0
7.3.2.5.13
- Activate Delta-T mode
OFF-ON
off
- Temp. difference heating / tank (Delta-T)
4--20°C
4°C minimum
7.3.2.5.14
- Limit boiler return temperature (T5)
OFF-ON
off
- Max. time for overtemp. in return line (T5) 0--99 Min.
0
- Max. boiler time for overtemp. in return line (T5) 0--99°C
0
- DIFF Alarm (differential pressure above...) 0--9999 mbar
automatic
- DIFF pressure adjust
-50--9999 mbar
0
7.3.2.5.7
- Input limit max. hot water temp. (page S6) 40--99°C
60°C
7.3.2.5.5
- Legionella mode temperature
60--85°C
65°C
- Relaistest
OFF-ON
off
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