GB-3
D
GB
F
NL
I
E
Checking the gas type
Check if the gas nozzle diameter is suitable for
the required gas type.
Gas
type
Nozzle
dia. [mm (inch)]
ZMI 16
ZMI 25
ZMIC 28
B
0.94 (0.037) 1.40 (0.055) 1.40 (0.055)
G
0.76 (0.029) 1.05 (0.041) 1.05 (0.041)
D
1.30 (0.051) 1.78 (0.070) 1.78 (0.070)
▷
When changing the nozzle, remove the residue
of sealant from the burner housing.
▷
Suitable nozzles – see page 7 (Accessories).
2
Installation
DANGER
Risk of explosion!
Ensure the connection is air-
tight.
CAUTION
Burner fault!
If used as gas pilot, the gas and
air pressures must be higher than the connection
pressures of the main burner.
▷
Install the gas pilot so that reliable ignition of the
main burner is guaranteed.
▷
Attach the gas pilot securely.
▷
We recommend that a filter be installed in the
gas and air supply line respectively.
▷
Install pressure regulators and adjusting cocks
in the air and gas supply lines upstream of the
burner so that the air and gas pressures can
be adjusted.
ZMI
▷
Recommended inlet pressures:
gas: up to 80 mbar (up to 32 "WC),
air: up to 120 mbar (up to 47 "WC).
5
4
1
3
2
Remove the
transport
safety device.
Burner
Size
16
25
ZMI
G½"
G1"
ZMI..T
½" NPT 1" NPT
5
4
1
3
2
Position the
burner before
tightening the
cap screw.
To tighten the
union nut, use
a lubricant.
6
For air-tight installation, hand-tighten the union
nut then tighten it with a further turn (olive fitting
is secured).
7
Connect the pilot gas supply line with Rp ¼ and
the air line with Rp ½.
ZMIC
IMPORTANT
Only install the ZMIC when the burner block is cold.
When installing in a hot burner block, the fibre in-
sulation can be damaged in such a way that the
burner can be thermally destroyed.
▷
Recommended inlet pressures:
gas: up to 100 mbar (up to 40 "WC),
air: up to 120 mbar (up to 47 "WC).
1
Remove
transport safety
device, mask-
ing tape and
O-ring.
Insulating the ceramic tube
▷
Protect the ceramic tube from thermal stress.
▷
Insulation with enclosed insulation strips.
Compress insulation strips by wrapping adhesive
foil around them tightly until they press tightly
against the ceramic tube.
5,5"
Insulation strip
Adhesive foil
