13
When a hot water tap is turned on the diverter
When a hot water tap is turned on the diverter
valve motor moves to exclude the central
valve motor moves to exclude the central
heating circuit, the boiler automatically
heating circuit, the boiler automatically
modulates to maintain the domestic hot water
modulates to maintain the domestic hot water
at a constant temperature.
at a constant temperature.
The water temperature can be regulated by
The water temperature can be regulated by
the digital display.
the digital display.
When domestic hot water is being drawn off
When domestic hot water is being drawn off
the burner and pump perform as they do
the burner and pump perform as they do
during central heating except that the burner
during central heating except that the burner
is commanded by the D.H.W. thermostat.
is commanded by the D.H.W. thermostat.
When D.H.W. is no longer called for (tap is
When D.H.W. is no longer called for (tap is
turned off), the boiler will automatically return
turned off), the boiler will automatically return
to the central heating mode.
to the central heating mode.
Select the summer position by pressing the
Select the summer position by pressing the
summer/winter button. The boiler functions
summer/winter button. The boiler functions
like an automatic gas hot water heater.
like an automatic gas hot water heater.
When D.H.W. is no longer required the
When D.H.W. is no longer required the
burner and pump and fan will immediately
burner and pump and fan will immediately
turn off.
turn off.
This also takes place when in winter mode,
if there is no demand for heat to the central
heating system or until the digital clock and
room thermostat (if fi tted) demands the
central heating circuit.
2.8 SAFETY
DEVICE
In both central heating and domestic hot
water mode safe operation is ensured by a
control board which shuts off the main
burner, if the fan stops or the fl ue or
combustion air intake duct is obstructed.
An overheat cut off thermostat acts to turn
An overheat cut off thermostat acts to turn
off the burner to resettable “lockout”.
off the burner to resettable “lockout”.
A safety valve is fi tted on the central heating
circuit set at 3 bar.
A low water pressure switch set at 0.4 bar is
fi tted on heating circuit, to prevent the boiler
operating below this boiler system pressure.
2.7 OVERALL DIMENSION
(Fig. 5)
2.10 PRESSURE DROP ACROSS
APPLIANCE (Fig. 7)
2.9 AVAILABLE PUMP HEAD
(Fig. 6)
Fig. 5
Содержание CS 80 T
Страница 2: ...2 ...
Страница 21: ...21 4 10 FLUE TERMINAL POSITION ...
Страница 54: ...10 ELECTRICAL SYSTEM DIAGRAM 54 Fig 56 ...
Страница 55: ...55 11 SPARE PARTS Fig 57 ...
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Страница 64: ...64 FLOWCHART FOR CO LEVEL AND COMBUSTION RATIO CHECK ON COMMISSIONING A CONDENSING BOILER ...
Страница 65: ...65 12 1 ANALYSER CHECK LIST ...