GB-2
D
GB
F
NL
I
E
Checking the usage
Intended use
Ionization-controlled pilot burners for safely igniting
gas burners. The capacity of the pilot burner should
be 2 to 5% of that of the main burner.
Can also be used as independently operated burners.
For natural gas, coke oven gas, town gas and LPG.
Other types of gas on request.
This function is only guaranteed when used within
the specified limits – see also page 7 (Technical
data). Any other use is considered as non-compliant.
ZAI
Type code
ZAI
Thermo ionization pilot with two electrodes
K
Double-cone olive for 8 mm tube
TN
1/4" NPT internal thread
Part designations
7
8
9
2
1
3
4
6
5
10
Interference-suppressed terminal boot for
spark electrode
Terminal boot for flame rod
Flame rod
4
Spark electrode
5
Air slide valve
6
Gas connection
7
0.7 mm gas nozzle for LPG
8
Cone olive (only for ZAI K)
9
Cap screw (only for ZAI K)
0
Enclosed documentation: operating instructions
Gas connection – see type label.
D-Osnabrück
Germany
ZAI K
ZKIH
Type code
ZKIH
Ionization pilot with forced air supply
150 – 1000 Burner tube length
/100
Flame tube length
R
Rp internal thread
Part designations
1
6
2
4
5
3
a
b
Burner body
Burner backplate
Burner tube set, comprising protective tube
a
and flame tube
b
4
Retaining screw for nozzle insert (in burner
body)
5
Nozzle insert (in burner body)
6
Enclosed documentation: operating
instructions and flow rate curves
Rated capacity P
max.
, gas type – see type label.
D-49018 Osnabrück Germany
ZKIH
Pmax.
Gas
Setting the gas type
ZAI
▷
Pilot burners ZAI are set for natural gas on de-
livery.
▷
If the pilot burner is to be used with a different
type of gas, retrofit the burner for its use.
0.7
2
2
5
6
2
3
4
1
Gas nozzle Ø 0.7 mm (0.028") for
LPG.
Order Ø 1.8 mm (0.07") gas
nozzle for coke oven or town gas
separately (Order No. 74472880).
