34
Parame-
ter
Delivered condi-
tion
Setting range
Unit
Function
"I3"
OFF
OFF to 20
min
OFF
No photovoltaic system
1 to 20 Signal line for photovoltaic system (multi-
functional relay) is connected (see
page 43).
The set temperature is raised after the mul-
tifunctional relay contact (on site) has been
closed for between 1 and 20 minutes.
Note
The minimum start-up capacity of the multi-
functional relay must be set to 750 W at the
inverter.
"I4"
OFF
OFF to 30
Days
OFF
"Increased DHW hygiene" function inactive
1 to 30 "Increased DHW hygiene" function active
The DHW cylinder is automatically heated
to 60 °C at an interval of 1 to 30 days.
Note
Only enable this function if an immersion
heater or external heat generator with con-
trol relay is available.
"I5"
OFF
OFF or 55 to 65
°C
OFF
Emergency mode not active
55 to 65 Emergency mode active
The set temperature is 55 to 65 °C.
Note
In emergency mode, the DHW is heated
solely by the immersion heater.
"I6"
OFF
OFF or ON
—
Option for the PROGRAM operating program
OFF Standard: DHW heating within the set time
program
ON NIGHT mode: Optimised DHW heating be-
tween 23:00 h and 05:00 h
The start is delayed in such a manner that the
set DHW temperature is achieved at 05:00 h.
Checking the actuators
Parame-
ter
Delivered condi-
tion
Setting range
Unit
Function at parameter setting "1"
"T1"
0
0 or 1
—
Compressor and fan run for 30 s.
"T2"
0
0 or 1
—
Immersion heater operates for 30 s.
"T3"
0
0 or 1
—
Fan runs for 30 s at speed setting 1 (slow).
"T4"
0
0 or 1
—
Fan runs for 30 s at speed setting 2 (fast).
Only visible if
"I1"
= 2
"T5"
0
0 or 1
—
Diverter valve for defrosting opens for 30 s.
Actual temperatures
Connecting the temperature sensors: See page 43.
Parameter
Display range
Unit
Information
"t'1"
0 to 99
°C
Bottom cylinder temperature sensor
"t'2"
-20 to 99
°C
Air intake temperature sensor
Diagnosis and service checks
Installation menu
(cont.)
6136003
Diagnosis
