GENERAL
12
PUMPS
LOCATION OF SENSORS
0
bar
4
1
3
2
°C
0
120
20
100
40
80
60
0
bar
4
1
3
2
°C
0
120
20
100
40
80
60
NTC CH FLOW
TEMPERATURE SENSOR
(located on CH circuit
flow pipe inside sealed
chamber)
NTC CH RETURN
TEMPERATURE SENSOR
(located on CH circuit
return pipe inside sealed
chamber)
CENTRAL HEATING
TEMPERATURE GAUGE
SENSOR
SAFETY THERMOSTAT
(located on CH circuit
flow pipe inside sealed
chamber)
NTC FLUE GAS
TEMPERATURE SENSOR
CONDENSATE SENSOR
(located inside sealed chamber)
NTC STORAGE
CYLINDER
TEMPERATURE
SENSOR
(bottom)
NTC STORAGE
CYLINDER
TEMPERATURE
SENSOR
(top)
STORAGE
CYLINDER
TEMPERATURE
GAUGE SENSOR
r
RESIDENCE COLONNA CONDENS
boilers come
with the pumps for the central heating and a solar heating
circuits already installed and connected up (electrically
and to the water circuit). The pump performance ratings
for use in determining individual circuit dimensions are
given below.
The following diagram shows the flow/head curves for the
boiler's central heating pump at the three speeds.
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