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2 CHeCKInG tHe UsAGe
tZI, tGI
For the high-voltage ignition of gas burners and
gas-ignited or directly ignited oil burners with a
one-pole output to the protective earth. The ignition
transformers can also be used on burners with sin-
gle-electrode operation. A burner control unit with
an integral fuse must be used for activation.
This function is only guaranteed when used within
the specified limits – see page 6 (8 Technical
data). Any other use is considered as non-compliant.
tZI
The ignition transformer TZI must be mounted in a
non-contact housing, for example in a control cabi-
net. TZI fulfils the requirements for enclosure IP 00.
tGI
Ignition transformer TGI in its die-cast aluminium
housing meets the requirements for enclosure IP 65,
NEMA 4. The TGI is suitable for on-site mounting
near the burner.
2.1 type code
tZI
tGI
5
8
-12
Output current: 12 mA at 50 Hz
-15
Output current: 15 mA at 50 Hz
-20
Output current: 20 mA at 50 Hz
/19
/33
/100
Q
W
e
t
Ignition transformer
Ignition transformer, enclosed
5 kV high voltage
8 kV high voltage
(9 mA at 60 Hz)
(10–11 mA at 60 Hz)
(16 mA at 60 Hz)
19% duty cycle
33% duty cycle
100% duty cycle
Mains voltage: 120 V AC
Mains voltage: 230 V AC
CE approved
UL listed, CSA approved
2.2 Part designations
2.2.1 tZI
1
1
Ignition transformer
2
Type label
3
Ignition cable connection
4
Mains cable
5
Attachment bracket
2.2.2 tGI
2
3
1
Upper housing section
2
Lower housing section
3
Type label
4
PE connection
5
M20 cable gland
2.3 type label
Mains voltage, ignition voltage, duty cycle, current
consumption, output current and enclosure – see
type label
EN-2
2
3
4
5
1
5
4
TZI
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