Operating Instructions Outdoor Sensor Boiler Group 'C - Baxi 7703233 Installation, Commissioning And User Instructions

Outdoor Sensor Kit (QAC34)
Radiator Example
P07 - T
P 3 =
T - T
room
90
15 20
T
room
80
70
60
50
40
30
20
10
0
-25 -20 -15 -10 -5
Outside Temperature (°C)
Fig. 21
7703237-01 (3/18)
80 - 20
room
= = 2.4
20 - (-5)
outmin
25
0 5 10 15 20 25
9.0
Example Parameter Recommendations:
Radiator systems (Fig 21):
P03 = 2.4
P06 = 50°C
P07 = 80°C
P07 = 80°C
If the Sensor is fitted to a boiler serving a low
temperature system or underfloor heating please contact
Baxi Customer Support for advice.
P06 = 50°C
IMPORTANT: Do not change any other parameters
other than those described in these instructions
otherwise the warranty of this kit and the boiler could
30 35
be invalidated.
The parameters are set as follows (See Fig. 19):
1. Ensure that there is power to the boiler.
2. Press and hold
displayed on screen.
3. Press and hold
4. Press
parameter is displayed.
5. Press
Press
desired value.
Press
6. Repeat steps 4 and 5 as required for each parameter.
7. When parameter changes are complete press
to return to the normal operating screen.
NOTE: If at any time when setting parameters an
error is made or it is desired to restart the process
press
10.0 Operating instructions with
1. While there is no DHW demand the boiler flow
temperature is limited according to the heating curve
setting
2. If the
the display shows a simulated room temperature set
point. Ensure that this set point is the same as the room
thermostat to ensure optimal outdoor weather
temperature compensation operation. The user can
adjust this temperature should the optimisation not suit
their requirements.
3. While DHW is enabled, if the
are pressed, the display will show the DHW temperature
set point.
4. Explain to the user how to select a different
temperature slope.
Note the boiler setting on the identifying label supplied. It
must then be signed and affixed to the front of the boiler or
inside the control cover facia. The label must be readily
accessible without removing the boiler casing or any other
disassembly. This label is required to enable SAP/energy
assessors to identify that a weather compensation device
is installed.
Setting the parameters for the
outdoor sensor (cont) - Group 'C'
and
until On is displayed.
or to scroll until the required
to edit the program.
or to change the setting to the
to confirm selection.
.
outdoor sensor - boiler Group 'C'
or are pressed while CH is enabled,
until P02 is
or buttons
9