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Control that:
1. the heater is coupled with an automatic forced draught burner, match able with the
model of heater (with gas burner, control that the coupling has been realized
according to our matches table, page 12).
2. the electric and fuel connections of the burner are realized according to the
norms. As regards gas, the installer carrying out gas pipe, must issue the
certification of the gas feed plant.
3. the burner capacity is not over the one allowed (see page 12)
4. the calibration of FAN thermostat, is 30 C
5. LIMIT and LIMIT2 are electrically connected to the burner
6. the flue gas exhaust is according to the rules
7. the environment supplies enough comburent air, according to the norms.
1%
Read carefully the manual of the burner, supplied by its manufacturer
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+HDWLQJ SKDVH On the electric board the main switch must be in -1- position and the
commutator in -HEATING- position. Whenever the room thermostat calls for heating, the
burner begins its self testing- and prep urge cycle. After it, starts the combustion and
between 5 minutes, the FAN thermostat starts automatically the ventilating unit. When
the burner is switched off by the room thermostat, the ventilating unit keeps turning, to
cool the heat exchanger and this will be stopped automatically by the FAN, to avoid
deliver cool air.
The burner may be stopped by LIMIT (temperature limit thermostat), if the average outlet
air temperature goes over its setting point. The burner may be stopped also by LIMIT2
(security limit thermostat), if the average outlet air temperature goes abnormally
overheated over its setting point. To reset the LIMIT2, proceed as described at page 16.
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Putting the commutator on -BURNER STOP- position, the burner stops, while the
ventilating unit goes on turning till when it' s switched off by the FAN, at the end of the
cooling phase. Even if the ventilating unit can restart once or more times, the warm air
heater maybe considered switched-off.
To clear the whole heater, put on -O- the main switch .
2QO\ YHQWLODWLRQ SKDVH Set the commutator on the position "VENTILATION", so that
the heater may run only as a fan, keeping the burner disconnected.
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