Coopra TWIN80C Bruksanvisning
Coopra
Värmepanna
TWIN80C
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(E000129017 - user instructions TWIN80C_EN - MV190805)
User instructions TWIN80C
Wall hung, fan flue, room sealed gas boiler
2006 E000129017
user instructions TWIN80C_EN
2
General
The TWIN 80C is a wall hung, fan flue, room sealed, high
efficiency condensing gas boiler for central heating and / or under
floor heating systems.
The type plate, which specifies the type of gas etc. to be used, for
which the unit is set, is on the left side of the unit.
The appliance is equipped with pre-set gas/air ratio regulators.
The purpose of this regulator is to keep the gas/air ratio in the
burner as optimal as possible at all times e.g. when modulating.
This ensures clean and reliable combustion across the entire
load range. In addition it achieves high part-load efficiency.
How the boiler works
The TWIN 80C incorporates 2x heat units. Each heat burner
works independently, cascade controlled by two printed circuit
boards.
Master – Left hand side printed circuit board.
The Master is the leading board, calculates and divides the
necessary power over both units. Therefore the regulation
controls will always be connected to the Master.
Slave – right hand side printed circuit board.
In most cases of a lock-out of the Master printed circuit board
the Slave is still able to operate correctly.
A fan sucks the air required for the combustion through the air
feed canal (A). Because the combustion air in the venturi sucks
an under pressure, the correct amount of gas (G) is
automatically added to the combustion air.
The flammable gas/air mixture thus obtained is fed to the
burner(s), via a mixing chamber, to be ignited at the surface of
the burner(s) by a ceramic glow plug. The hot combustion gases
are efficiently fed through the heat exchanger(s), where they
give their heat to the system water. The flue gases are fed
outdoor, through the flue tube (F), into a combined flue tube
exhaust canal.
The formed condensation water (H2O) is discharged through the
waste trap.
Burner is on
• when the room thermostat is closed (heat demand)
• and when the actual flow temperature is 5°C below the set
point (desired heating flow temperature)
• and after 3 minutes anti-reciprocital time, if applicable, after a
reciprocital stop
Burner is off
• when the room thermostat is open (end of heat demand)
• when the actual flow temperature is 3°C above the set point
(blocking)
• or when the actual flow temperature is 3°C above the
maximum permissible central heating temperature.
LED indication
Two LED’s have been placed under the appliance informing the
user the status of each unit individually.
The left hand side LED (L) is indicating the actual status of the
Left hand side heating unit.
• LED is ON = burner concerned is ON
• LED is OFF = burner concerned is OFF
• LED is FLASHING = unit concerned is LOCK-OUT
The right hand side LED (r) is indicating the actual status of the
right hand side heating unit.
• LED is ON = burner concerned is ON
• LED is OFF = burner concerned is OFF
• LED is FLASHING = unit concerned is LOCK-OUT
user instructions TWIN80C_EN
3
Display
To be able to read the codes of the, open the cover in front of
the appliance.
A = Status
B = Reading
C = “+ button”
D = “- button”
E = Set / Reset
F = Flame
The left 7-segment LED shows the status or the menu step.
The two right 7-segment LED's show the temperature, the
pressure or the parameter value.
What is a functional blocking?
During blocking operation, the display status shows a
continuous indication. The regulation blocks the burner till
blocking conditions are within certain requirements.
Most blocking actions restore automatically in time. Some
blocking operations need a reset of the 230V supply power or an
action manually.
Note that each blocking operation will stay at least with 3
minutes anti-cycling time.
What is a functional lock-out?
During lock-out operation, the display status shows a flashing
indication.
Pump runs over the heating circuit (max 24 hr).
Fan post rinses for 1 minute at 2700 rpm (some lock-outs)
Most lock-out operations can be restored by pressing the
‘Set/Reset’ button. It is advised to use this button not more than
3 times in a row. Ask your installer for help.
Note that some lock-out operations need a reset of the 230V
supply power.
Status indication during normal operation
Display Description
- Initialisation after restoration of supply power
U Reversed neutral and line
O No heat demand, stand-by
C Central heating heat demand, burner off
C. Central heating heat demand, burner on
P/C. (Central heating) heat demand, low load water
pressure
A/C. (Central heating) heat demand, low load chimney
temperature
c Central heating pump post-running
b HWS burner off/ pump post running
b. HWS burner on
P/b. HWS, low load by water pressure
A/b. HWS, low load by chimney temperature
O Frost protection burner off pump running 8C
o. Frost protection burner on 3C
C
FLASHING Chimney sweeper function (temp display
max/min/ionisation)
Status indication during “blocking” mode
(intermittent “L” for master and “r” for slave)
Display Description
1 Flow sensor open circuit
1. Flow sensor short circuit
2 Return sensor open circuit
2. Return sensor short circuited
4 Flue gas sensor open circuit
A Flue gas temperature > 80°C
H Flow sensor > 105°C while the burner was off
J Blocking flow temperature
(3 minutes anti-cycling time)
P Pump test / Start function blocking / Water
pressure
nc Electronics interruption
(manual reset by interruption of electrical supply)
E No slave connected
b/r HWS right unit
9 Flow / Return temperature to high
Status indication of ”lock-out” mode (flashing)
(intermittent “L” for master and “r” for slave)
Display Description
1 Boiler does not pass start temperature test
2 Too many restarts
3 Internal regulation fault / A/D conversion fault /
external sensor fault /Too many restarts
4
5 Fan error
6
7 Gas valve error
8 Flame detected with closed gas valve
A Flue gas temperature > 95°C
E Internal interlock fault
H Flow sensor > 105°C with burner on
F Too many ignition attempts during
O Gas valve connection error
Produktspecifikationer
| Varumärke: | Coopra |
| Kategori: | Värmepanna |
| Modell: | TWIN80C |
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