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ENGLISH
46
11. PRESSURE BOOSTER FUNCTION
11.1 Operation with sensor
Operation with a sensor allows 2 types of regulation:
Regulation with Standard expansion vessel = 19 litres each pump (DS_A1=ON).
Regulation with Additional expansion vessel = over 100 litres (DS_A1=OFF).
Regulation is obtained by turning the trimmers SP (system pressure) and DP (differential pressure).
Regulation with Standard expansion vessel
Sequence
Pump P1
Pump P2
START
System pressure = < SP
Pump P1 = started.
Pump P2 = starts with System Pressure = < SP – ½ DP
STOP
System pressure > = SP+DP
Pump P1 = stopped.
Pump P2 = stops with System Pressure > = SP+DP.
Regulation with Additional expansion vessel
Sequence
Pump P1
Pump P2
START
System pressure = < SP
Pump P1 = started.
Pump P2 = starts with System Pressure = < SP – 2%
STOP
System pressure > = SP+DP
Pump P1 = stopped.
Pump P2 = stops with System Pressure > = SP+DP.
11.2 Operation with pressure switches
The pressure switches of the pumps P1 and P2 must be connected to the respective terminals B and C.
Sequence
Pump P1
Pump P2
START
Pressure switch B = ON
Pressure switch C = ON
STOP
Pressure switch B = OFF
Pressure switch C = OFF
N.B. The indications pump P1 and P2 and the references B and C are only indicative.
N.B. The indications pump P1 and P2 are only indicative.
Example of Regulation with Standard expansion vessel and Regulation with Additional expansion vessel
SP= 4 bar
(starting pressure P1)
DP = 50% of the value of SP = 1/2
(differential pressure)
Regulation with Additional expansion vessel
Regulation with Standard expansion vessel
DP
SP
H
4
t
6
3,9
6
P1
OFF
4
P2
ON
P1
ON
P1
ON
P1 e P2
OFF
DP
SP
H
4
t
6
3
6
P1
OFF
4
P2
ON
P1
ON
P1
ON
P1 e P2
OFF
DP ½
Содержание E-BOX 2G M
Страница 133: ...129 7 QS1 OFF 0 L1 L2 L3 L N 230 400 7 1 L1 L2 L3 L1 L2 L3...
Страница 137: ...133 9 0 OFF I ON 1 2 3 4 5 6 7 8 9 1 2 3 1 4 5 1 6 1 3 2 7 8 2 9 2 3...
Страница 141: ...137 24 DS_A2 2 12 12 1 2 2 1 2 1 2 12 2 3 3 1 2 1 2...
Страница 142: ...138 3 12 3 SP DP SP LMAX DP LMIN DP 1 2 SP 1 2 DP 1 5 DP SP SP 2 24 DS_A2 2 95 5 DP P1 P2 OFF P1 P2 ON DP 25 1 SP 4...
Страница 143: ...139 13 13 1 2 2 1 2 1 2 13 2 3 3 1 2 1 2...
Страница 144: ...140 13 3 SP DP SP LMAX DP LMIN SP 1 5 2 DP 1 2 SP 1 5 SP DP DP 2 24 DS_A2 2 95 5 DP P1 P2 ON P1 P2 OFF DP 25 1 SP 4...
Страница 146: ...142 14 1 R N R 2 Q1 2 Q1 0 5 2 Q1 0 5 N 2 Q1 2 Q1 2 Q1 1 2 Q1 1 R N N N 14 2 14 3 RESET RESET NO...
Страница 147: ...143 14 4 1 2 8 5 8 6 10 24 14 5 1 DS_A4 0 5 10 9 5 8 1 1 30 14 6 8 9 5 8 8 14 7 1 2 9 5 8 1 60 1 2 3 60 14 8 30 14 9...
Страница 148: ...144 15 EXP 1 16 8 2 5x20 T 100 3 4 230 10 5 EXP 1 2 3 4 5...
Страница 169: ...165 7 OFF 0 L1 L2 L3 L N QS1 230V 400V 7 1 L1 L2 L3 L1 L2 L3...
Страница 173: ...169 9 0 OFF I ON 1 2 3 4 5 6 7 8 9 1 2 3 RESET P1 4 5 P1 6 P1 3 P2 7 8 P2 9 P2 3...
Страница 177: ...173 24 DS_A2 2 12 12 1 2 2 P1 B P2 C B P1 P2 B C B B C 12 2 3 3 P1 B P2 C A B C P1 P2 B C A B C A B C...
Страница 179: ...175 13 13 1 2 2 P1 B P2 C B P1 P2 B C B C B C 13 2 3 3 P1 B P2 C P1 P2 B C A B C A B C 13 3...
Страница 180: ...176 SP DP SP LMAX DP LMIN SP P1 5 P2 DP P1 P2 SP P1 5 SP DP DP 2 24 DS_A2 2 DP m 25 1 SP 4 m 95 5 DP P1 P2 ON P1 P2 OFF...
Страница 184: ...180 15 EXP EXP 1 16 8 2 5x20 T 100mA 3 4 230VAC 10VA 5 EXP 1 2 3 4 5...
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