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3.4
SMOKE PRESSURE SWITCH
The pressure switch signal value is
measured by a specific tool connec-
ted to the positive and negative pres-
sure ixtures. The pressure switch is
factory set to 35-45 Pa (0. 1 4-0. 1 8
"W.C.).
3.5
SYSTEM AVAILABLE HEAD
The residual prevalence of the boiler
supply and return lines varies accor-
ding to capacity, as shown in the dia-
gram of fig. 14.
For typical hydronic piping for a Planet
Dewy 60 BFR using a hydraulic com-
pensator, see the scheme in fig. 14/a.
3.6
MAINS ELECTRICITY
CONNECTION
Use a separate electrical line where
the room thermostats with relevant
area pumps must be connected. Swit-
ch or relay contacts must be connec-
ted to the electronic board connector
(J2) after removing the existent brid-
ge (fig. 15).
J2 connector
Connettore J2
TA
TA
L
TA
TA
R
PZ
PZ
1
N
KEY
TA-TA1
Zone room stat
PZ-PZ1
Zone pump
R-R1
Zone relay
CR-CR1
Relay contact
"FOOT"
26.8
20. 1
13.4
6.7
0
CURVE LOAD LOSSES/CAPACITY BETWEEN CONNECTORS R3 and M2
"FOOT"
26.8
20. 1
13.4
6.7
CR
CR1
0
"FOOT"
10
1
6.7
R
1
3.35
0
SIDE BOILER
LATO CALDAIA
LATO IMPIANTO
SIDE SYSTEM
Fig. 15
SYSTEM AVAILABLE HEAD
800
700
600
500
400
300
60 BFR
200
100
0
500
1000
1500
2000
FLOW RATE (l/h)
PORTATA (l/h)
0
4.4
800
700
600
60 BFR
500
400
300
200
100
1000
1500
2000
2500
FLOW RATE (l/h)
0
4.4
8.8
HYDRAULIC COMPENSATOR LOAD LOSSES
300
60 BFR
250
200
150
100
50
0
2
4
6
PORTATA (m
LATO CALDAIA
0
17.6
LATO IMPIANTO
100 BFR
4000
4500
2500
3000
3500
8.8
13.21
17.66
100 BFR
4500
5000 5500
3000
3500
4000
PORTATA (l/h)
13.2
17.6
22.0
100 BFR
60 BFR
100 BFR
8
10
12
14
3
/h)
3
CAPACITY (m
/h)
35.2
52.8
US gal/min
ENG
FR
US gal/min
US gal/min
15
Fig. 14
31
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