PART II: INSTALLATION
24
DUNGS MBE
Components and position of pressure switches
PS pressure sensor connection to VD-R actuator and gas train
Pressure taps
MultiBloc MBE
Attention: In the case of the MBE... valve, a pressure limit switch downstream of the safety valve is mandatory.
1
PGMIN minimum gas pressure switch
2
PGMIN minimum gas pressure switch (alternative
to 1)
3
PGCP leakage control gas pressure switch
4
PGMAX maximum gas pressure switch
5
Actuator with integrated pressure stabiliser
6
On-Off actuator
7
Valve body (Threaded)
8
Valve body (Flange)
On equipment versions Facile VD-R
must be installed upstream valve
3
5
1
2
4
6
8
VD-R
VD-V
3
5
1
2
4
6
7
VD-R
VD-V
min. 5 Ø
Ø
VD-R
VD-V
PS
1, 2, 3, 4
Sealing plug
G1/8 ISO 228
5
Locking screw
For version VB-2L only:
connection for vent line
NPT 1
1, 2, 3, 5
Sealing plug
G1/8 ISO 228
4
G3/4 for system
accessories
6, 7
Sealing plug G1/4
ISO 228
8
For version VB…L
only: connection for
vent line
VB-2½L=1¼"NPT
VB-3L=1½"NPT
VB-4L=2"NPT
VB-5L=2"NPT
Содержание HR2050
Страница 10: ...PART I SPECIFICATIONS 10 Support frame for burner size 2080 968 1255 1690 1150 1028 164 1370 50 1773 1200 684...
Страница 45: ...PART III OPERATION 45 Pump flow rate Nozzle flow rate...
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Страница 62: ...Annex1 Example for motor cable...
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Страница 64: ...Annex 2 Example for sensor cable...
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