Baxi Combi 130 HE Installation And Servicing Instructions page 28

Temperature
Control Buttons
o
C
Reset
Fig. 39
o
C
Reset
Fig. 41
o
C
Reset
Summer/Winter
Fig. 42
Mode Button
28
Supplied By www.heating spares.co Tel. 0161 620 6677
o
C
Reset
Summer/Winter
Fig. 40
Mode Button
Temperature
Control Buttons
o
C
Reset
Fig. 43
Summer/Winter
Mode Button
10.0 Commissioning the Boiler
10.3 Switching Off Intelligent Pre-heat
(cont)
5. To switch the pre-heat feature back on
depress the "+" and "-" Temperature Control
Buttons at the same time for 5 seconds. The
display will show "18 or 10" (Fig. 39).
6. Press the Summer/Winter Mode Button marked
( ) and the display will show "20" (Fig. 40).
The "2" indicates that the installer parameter for
pre-heat has been selected. The "0" indicates that
the pre-heat is switched off. Press the "+"
Temperature Control Button to change this to "21"
(Fig. 41), with the "1" indicating that the pre-heat is
switched on. 1 minute after the parameter has
been set the display will revert to normal operation.
10.4 Switching On System Frost
Protection
1. The boiler has an automatic boiler frost
protection feature which will bring the boiler on in
Central Heating mode if the flow thermistor senses
a temperature of less than 8° ± 5°C and remain on
until the temperature reaches 15° ± 5°C. This
feature is not adjustable.
2. The boiler also has a system frost protection
feature. As supplied this feature is not activated.
The system frost protection will switch the diverter
valve to the Central Heating position and operate
the pump every 4 hours. In conjunction with the
boiler frost protection feature (which operates the
burner) this will prevent frost damage to the
system.
3. To switch the system frost protection on:
depress the "+" and "-" Temperature Control
Buttons at the same time for 5 seconds. The
display will show "18 or 10" (Fig. 39).
4. Press the Summer/Winter Mode Button marked
( ) until the display shows "30" (Fig. 42). The
"3" indicates that the installer parameter for system
frost protection has been selected. The "0"
indicates that the system frost protection is
switched off. Press the "+" Temperature Control
Button until the display shows "31" (Fig. 43). The
"1" indicates that the system frost protection is
switched on. 1 minute after the parameter has
been set the display will revert to normal operation.
5. To switch the system frost protection off
depress the "+" and "-" Temperature Control
Buttons at the same time for 5 seconds. The
display will show "18 or 10" (Fig. 39).
6. Press the Summer/Winter Mode Button marked
( ) until the display shows "31" (Fig. 43). The
"3" indicates that the installer parameter for system
frost protection has been selected. The "1"
indicates that the system frost protection is
switched on. Press the "-" Temperature Control
Button until the display shows "30"
(Fig. 42). The "0" indicates that the system frost
protection is switched off. 1 minute after the
parameter has been set the display will revert to
normal operation.