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the gas valve) in case of improper exhausting of the com-
bustion gas. To restore the normal operation it has to be
manually reset. It is a single pole, liquid filled type, tem-
perature limiter with manual reset and positive cut off
safety in case of capillary breakage.
SAFETY LIMIT THERMOSTAT
(WATER MAX. TEMPERATURE)
It cuts off the burner in case of overheating of the water
tank, due to non-working of the adjustable control thermo-
stat. The operation is automatic (automatic reset) as soon
as the water temperature reaches standard levels/values. It
is a single pole liquid filled type thermostat and two con-
tacts (On/Off switch), safety limit temperature with auto-
matic reset, with positive cutoff safety in case of capillary
breakage. The high limit temperature is factory set at 90°.
1.5 CONTROL PANEL
KEY:
A
– ON/OFF Switch
B
– Adjustable water control
thermostat
C
– Safety limit thermostat
D
– Water temperature
thermometer
E
– Safety limit thermostat (on)
light
Temperature range
40º / 80º
Contacts rating
250 V ~ / 2.5 A
Temperature differential 8º ± 2º K
Bulb max. temperature
150º C
Control thermostat – Technical data
Intervention temperature 70º ±3º
Differential
15º
Contacts rating
250 V ~ / 2.5 A
Bulb max. temperature
125 ºC
Safety limit thermostat (flue gas spillage control)
- Technical data
Intervention temperature 90º ±3º
Differential
12º
Contacts rating
250 V ~ / 2.5 A
Bulb max. temperature
125 ºC
Contacts resistance
< 8 mO
Safety limit thermostat (max. water temp.)
Technical data