EN1R-9134 0503R20-NE
2
Fig. 1. Dimensional drawing
Ambient temperature
-15 ... 70°C
Dimensions
See fig. 1.
Pressure regulation function
Class B according to EN 88
Air pressure connection
Servo pressure regulator has an M5 threaded hole to make
connection between regulator and appliance.
Outlet pressure
Outlet pressure is pressure drop across the main burner
orifice.
Outlet pressure range
0.5 ... 20 mbar
Maximum inlet pressure
60 mbar
Minimum regulation capacity
- for VK41xxV/VK81xxV:
0.5 m
3
/h air at
∆
p=0,5 mbar across main burner orifice at
30 mbar operating pressure maximum
0.7 m
3
/h air at
∆
p=0,5 mbar across main burner orifice at
60 mbar operating pressure maximum
- for VK41xxVB/VK81xxVB:
1.0 m
3
/h air at
∆
p=0,5 mbar across main burner orifice at
60 mbar operating pressure maximum
Minimum operating gas pressure
15 mbar
Maximum operating gas pressure
60 mbar : VK411x / VK811x (Class B+C)
30 mbar : VK412x / VK812x (Class B+B)
30 mbar : VK41xxVB / VK81xxVB (Class B+C)
The P
max
60 mbar indication on the housing is the maximum
inlet pressure at which the gas control functions safely.
Maximum air pressure
8 mbar without outlet gas pressure (before ignition)
20 mbar with outlet gas pressure present (after ignition)
Offset range
-0.4 mbar ... + 0.2 mbar (with coils sidewards)
-0.24 mbar ... + 0.36 mbar (with coils on top)
Hole
2.6 mm to connect ignition control
Cap screw/offset adjustment
Pressure tab
Side outlet
Outlet
Air pressure
connection
Molex 1.1 pin header
Inlet
64,9
29
105
115
8
30
18
24
36,7
91
24
87
17
25
24
24
76
29
36,7
84,5
94,8
68,3
37
24
24
34
9
Side outlet (optional)
Pilot outlet M8 x 1-6H
for 4 mm tubing
Mounting hole (2) for tapping
screws 3.9 DIN 7990
M5 x 0,8 (3)
6 mm full thread
Tolerances according
ISO 2768mK
