Unigas S10, Installation Operation & Maintenance, Page: 28 / 32

APPENDIX: COMPONENTS CHARACTERISTICS 28
GAS MULTIBLOC REGULATOR DUNGS MB-DLE 405-407-410-
412-415-420
Specifications
Nominal diameters - Flange with pipe threads as per ISO 7/1
(DIN 2999)
MB 405-407: Rp1/2, 3/4 and their conbinations
MB 410-412: Rp3/4, Rp1, Rp1
1/4
and their combinations
MB 415 B01: Rp1, Rp1
1/4
, Rp1
1/2
, Rp2 and their combinations
MB420 B01: Rp1, Rp1
1/4
, Rp1
1/2
, Rp2 and their combinations
Max. operating pressure 360 mbar
Output pressure range 4 mbar to 20 mbar
Pressure stage PN1
Media gas of families 1, 2, 3 and other neutral gaseous media
Ambient temperature
-15 °C to +70 °C
Dirt trap Sieve with 0.8 mm mesh width, filter made of random laid
nonwoven fabric microfilter, two-layer, changing the filter is possible
without removing the valve.
Pressure switches
Types GW A5, GW A2, NB A2, ÜB
A2 mountable as per DIN EN 1854.
Pressure regulator Pressure regulator compensated for
residual pressure, leakproof seal when switched off by means of
valve V1 as per DIN EN 88 Class A. Setpoint spring permanently
installed (no spring exchange possible). A vent line above roof is not
required. Internal pulse tap provided.
Solenooid valve 1
Valve as per DIN EN 161, Class A,
Group 2, fast closing, fast opening
Solenoid valve 2 valve as per DIN EN 161, Class A,
Group 2, fast closing, slow opening
Measuring/ignition gas connection
For G 1/8 as per DIN ISO 228
Burner pressure monitor pBr
Connection downstream of valve V2, pressure switch A2 mountable
on adapter laterally
Closed position signal contact Closed position signal contact type
K01/1 (DIN tested), mountable on V2
Voltage/frequency ~(AC) 50-60Hz 230 V -15% +10%
Preferred voltages 240VAC, 110-120VAc, 24-28VDC,
48VDC
Electrical connection Plug connection as per DIN 43 650,
IEC 335, IEC 730 (VDE 0700, VDE
0722) for valves and pressure
switches
Rating power/consumption upon request
Switch on duration 100% ED
Degree of protection IP54 as per IEC 529 (EN 60529)
Radio interference Interference degreeN
Material of gas-conveying parts
housing:
aluminium die casting;
diaphragms, seals: NBR basis, Silopren (silicone rubber)
solenoid drive: steel, brass, aluminium.
Installation position
Solenoid
vertically upright or lying horizontally
as well as its intermediate positions
GAS MULTIBLOC REGULATOR DUNGS MB-ZRDLE
Specifications
Nominal diameters MB405/407 B01
MB410/412 B01
Flange with pipe threads as per ISO 7/1 (DIN 2999)
MB405/407 Rp 1/2, 3/4 and their combinations
MB410/412 Rp 3/4, 1 1/4 and their combinations
Max. operating pressure 360 mbar
Output pressure ranges MB-.. S20/S22: 4 to 20 mbar
MB-.. S50/S52: 4 to 50 mbar
Media Gases of families 1, 2, 3 and other
neutral gaseous media
Ambient pressure -15°C to 70°C
Dirt trap Sieve with 0.8 mm mesh width, filter
made of random laid nonwoven
fabric, microfilter, two-layer, changing
the filter is possible without removing
the valve
Pressure switches Types GW A5, GW A2, NB A2, ÜB
A2 mountable as per DIN EN 1854
Pressure regulator Pressure regulator compensated for
residual pressure, leakproof seal when switched off by means of
valve V1 as per DIN EN 88 Class A. Setpoint spring permanently
installed (no spring exchange possible). A vent line above roof is not
required. Internal pulse tap provided.
Solenoid valve V1
Valve as per DIN EN 161 Class A
Group 2, fast closing, fast opening
Solenoid valve V2 Valve as per DIN EN 161 Class A
Group 2, fast closing
Measuring/ignition gas connectionFor G 1/8 as per DIN ISO 228,
Burner pressure monitor p
br
Connection downstream of valve V2,
pressure switch mountable on adap-
ter laterally
Voltage/frequency AC 230V -15% +10%, 50/60 Hz
Electrical connectio Plug connection as per DIN 43 650,
IEC 335, IEC 730 (VDE 0700, VDE
0722)for valves and pressure
switches
Switch-on duration 100%
Degree of protection IP 54 as per IEC 529 (EN 60529)
Radio interference Interference degree N
Materials of gas conveying parts
Housing
aluminium die casting
Diaphragms, seals NBR basis, Silopren (silicone rubber)
Solenoid drive steel, brass, aluminium
Installation position
Solenoid
vertically upright or lying horizontally
as well as its intermediate positions.
Closed position signal contact Closed position signal contact, type
K01/1 (DIN-tested), mountable to V2
VALVE PROVING SYSTEM DUNGS VPS504
Specifications
Operating pressure max.500 mbar (50 kPa)
Test volume 4.0 l
Pressure increase by motor pump20 mbar
Nominal voltage
~(AC) 230V -15%...240V +10% DC
24V
Frequency 50 Hz
Rating requirement during pumping timeapprox, 60 VA, in operation
17 VA
Prefuse (provided by the customer)10 A quick-acting fuse or 6.3
slow-blow fuse
Fuse installed in housing cover, replacea-
ble microfuse 6.3 A slow-blow L 250
V; IEC-127-2/III (DIN 41 662)
Degree of protection IP40 (IP54 series 04, 05)
Ambient temperature 50 Hz 230 VAC -15°C to +70°C,
others: -15°C to +60°C
Release time Approx. 10 - 26s, depending on test
volume and input pressure
Sensitivity limit max. 50 l/h
Switch on duration of control 100%
Max. number of test cycles 20/h
Installation position upright, horizontal, not inverted