Palazzetti SPHERA IDRO Notice D'installation page 28

Description of stove hydraulic circuit (- 6.4 -)
A) Heat discharge valve connected to a remote bulb
probe
B) Safety heatsink
D) Water return from the system (G3/4" M)
E) Safety heatsink outlet for connection to waste
discharge system (G1/2' M)
F) Water infeed (water line) for safety heatsink and
system feeding (G1/2' M)
G) Boiler discharge tap
H) Connection for safety valve discharge
(G3/4"F)
2) Sleeves G1/2"F for probes compartments connection
(heat discharge valve, combustion air thermostatic valve
and digital control unit (optional))
8) System infeed tap.
9) Pressure gauge
13) Automatic relief valve (G3/8"M)
Once you have completed the hydraulic connections, you
the pressure on the pressure gauge installed on the
boiler.
MAXIMUM WORK PRESSURE: 2,5 bar
To access the vent you have to remove the top of the
stove by unscrewing two of the four screws that connect
the two top sections and remove the upper front panels
pulling them up (- 6.5 -).
ou s ould as t e system by lling it it
t en emptying it before starting t e or cycle it t e
nal ater load.
13
INSTALLATION
I
H
G
F
ater and
13
9
2
- 6.5 -
E
A
B
C
D
2
8
- 6.4 -