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1- Mechanical Timer
2- D.H.W. temperature control
3- C/Heating temperature control
4- Function switch
5- LCD display
13.4 LCD display: While giving the
operational status of the boiler and water
temperature, to aid in fault diagnostics the
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control unit has a built in facility that
automatically indicates the fault mode. If
more than one fault simultaneously occurs,
then only the highest priority fault is
displayed.
Service mode function: Turn selector control
knob (3 figure 17) 3 times between C/H setting
and the off position (no more than 2 seconds
between each turn) the boiler is now in service
mode and will stay there for 15mins, turn both
C/H & DHW controls to max, this sets the
boiler to max output and will not modulate,
turn both the controls to min to set the boiler on
min without modulation for setting up the
default parameters.
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2
3
4
1
3
4
5
1- C.Heating/D.H.W. water temperature and
failure code indicator
2- C.Heating water pressure value indicator
3- Flame indication
4- Frost protection indicator
5- Service computer connection indicator
6- Failure indicator
7- D.H.W. mode indicator
8- Winter mode indicator (Heating & Hot
Water)
9- C. Heating mode indicator
10- Summer mode indicator (Hot Water Only)
Reset indicator
Failure Codes:
F0 – The Water Pressure is Too LOW or
Too HIGH
F1 - Lockout due to overheating
F2 - D.H.W. temperature sensor damage
F3 - Primary temperature sensor damage
F4 - Ignition problem
F5 - Combustion product (flue) temperature
sensor damage
F6 - External temperature sensor damage
F7 - Problem with fan feedback signal
F8 - Fan speed out of set range
F9 - Fan is moving when it should be stationary
OC - External sensor is connected and OTC
enabled
CC - External sensor is disconnected and OTC
disabled and Flue sensor
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solaris 24PC, 30PC
Figure 18
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