Rotex HPSU compact 304, Instruction Manual

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22
BA ROTEX HPSU compact 4 - 09/2013
3 x Operation
3.6 Special system settings
Adaption is carried out via the setting of parameters in the rotary
switch setting
"Configuration"
.
Navigating with the rotary switch accesses either the next deeper
level or directly to the appropriate parameter.
3.6.1 Access Rights (Technician password)
Certain settings are restricted by Control access rights. In order
to gain access to these setting values (parameters) you need to
enter the expert
"Setup"
code in the level.
The fig. 3-12 shows the fundamental procedure for entering the
access code. The expert code will be advised to the expert
company in a separate letter.
Configuration
Setup
System Configuration
Access Rights
User
Access Rights
Expert
Setup
LCD Contrast
LCD Brightness
Setup
Keylock Function
Access Rights
Code Reset Time
Access Rights Access Rights
Access Rights
Fig. 3-12 Entering the access code
3.6.2 Heat curve
With the heating characteristic curve, the heating output is ad-
justed to building conditions in accordance with the relevant ex-
ternal temperature (weather-controlled flow temperature regu-
lation, see section 3.6.4 Generally speaking, the steepness of the
heating characteristics describes the ratio of the flow temperature
change to the external temperature change.
The heating characteristic curve applies within the minimum and
maximum temperature limits that have been set for the corre-
sponding heating circuit. The room temperature measured in the
living area may differ from the desired room temperature; these
deviations can be kept to a minimum by installing a room ther-
mostat or a room temperature controller.
The Control is set in the factory so that the heating curve does
not adjust itself during operation.
The automatic heat curve adaption can be activated only by
the specialist heating technician (parameter [HC Adaption]), pro-
vided the room temperature controller (RoCon U1,
15 70 34) is connected (see section 3.6.4).
Starting conditions for the automatic heating curve adaption:
– Outdoor temperature < 8 °C
– Operating mode is automatic (I or II)
– Duration of setback phase at least 6 hours
If an automatic heat curve adaption is not activated, the heat
curve can be set manually by adjusting the parameter [Heat-
Slope] ).
Manually adapting the heating curve
Do not make any corrections to the set values for

1 - 2 days, and then only make them in small incre-
ments.
● Deactivate additional heat sources (e.g. fireplaces,
direct solar radiation, open windows).
● Fully open any existing radiator thermostat valves
or setting drives.
● Activate the operating mode "heating".

Approximate setting values:
– Radiator and system 70: 1.4 to 1.6.
– Underfloor heating system: 0.5 to 0.9.