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05095 · Edition .
D
GB
F
www.docuthek.com
Operating instructions
Control valves ST,
Pilot burners ZTA, ZT 40, ZTI 55
Translation from the German
© 2011 Elster GmbH
Contents
Control valves ST,
Pilot burners ZTA, ZT 40, ZTI 55 . . . . . . . . . . .
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the usage . . . . . . . . . . . . . . . . . . . . .
Control valve S11T. . . . . . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Connecting the pilot gas line . . . . . . . . . . . . . 4
Connecting the air line on ZT 40../00 . . . . . . 5
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . 6
Checking the safety time . . . . . . . . . . . . . . . . . . 6
Tightness test . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Setting the gas/air mixture . . . . . . . . . . . . . . . 6
Replacing the thermocouple . . . . . . . . . . . . . 7
Replacing the ignition electrode . . . . . . . . . . 7
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Checking the thermo-electric voltage. . . . . . . . . 8
Faults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Gas restrictor orifice, air restrictor orifice . . . . . . 9
High-voltage cable . . . . . . . . . . . . . . . . . . . . . . . 9
Thermo-cable. . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Gas nozzle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Technical data. . . . . . . . . . . . . . . . . . . . . . . . . 0
Declaration of conformity . . . . . . . . . . . . . . . 0
Approval for Russia . . . . . . . . . . . . . . . . . . . . . 10
Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
Safety
Please read and keep in a safe place
Please read through these instructions
carefully before installing or operating. Following the
installation, pass the instructions on to the opera-
tor. This unit must be installed and commissioned
in accordance with the regulations in force. These
instructions can also be found at www.docuthek.com.
Explanation of symbols
• , , , ... = Action
▷
= Instruction
Liability
We will not be held liable for damages resulting
from non-observance of the instructions and non-
compliant use.
Safety instructions
Information that is relevant for safety is indicated in
the instructions as follows:
DANGER
Indicates potentially fatal situations.
WARNING
Indicates possible danger to life and limb.
CAUTION
Indicates possible material damage.
All interventions may only be carried out by qualified
gas technicians. Electrical interventions may only be
carried out by qualified electricians.
Conversion, spare parts
All technical changes are prohibited. Only use OEM
spare parts.
Transport
On receipt of the product, check that the delivery is
complete (see Part designations). Report any trans-
port damage immediately.
Storage
Store the product in a dry place. Ambient tempera-
ture: see Technical data.
GB-1
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Related Manuals for Elster Kromschroder S11T
Summary of Contents for Elster Kromschroder S11T
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Page 1: Table Of Contents
Safety instructions Information that is relevant for safety is indicated in the instructions as follows: Translation from the German DANGER © 2011 Elster GmbH Indicates potentially fatal situations. Contents WARNING Control valves ST, Indicates possible danger to life and limb. -
Page 2: Checking The Usage
ZT 40 Checking the usage Type code Pilot burners Code Description For safe ignition and, in conjunction with control valve ZT 40 Thermo pilot burner with protective tube S11T, for thermo-electric safeguarding of gas burn- Suitable for operation with: ers. With ignition electrode for electrical ignition in natural gas conjunction with an ignition transformer. -
Page 3: Control Valve S11T
ZTI 55 Control valve ST For thermo-electric safeguarding of gas-fired instal- Type code lations of any kind in conjunction with thermo pilot Code Description burners ZTA, ZT 40 or ZTI. The control valve S11T Thermo pilot burner with ionization ZTI 55 operates independently of mains power supply. -
Page 4: Installation
Installation Connecting the pilot gas line Control valve ZTA, ZT 40 ▷ Installation position: The button for activating the ▷ ▷ Connect pilot burner and control valve using an ▷ valve must point upwards or to the side. It must 8 ×... -
Page 5: Connecting The Air Line On Zt 40
Connecting the air line on ZT 40../00 ▷ In the air connection there is an integrated air ▷ nozzle with an Rp 1/4" connection for air supply pressures ≥ 10 mbar. ▷ For air supply pressures ≤ 10 mbar, unscrew the ▷... -
Page 6: Commissioning
Commissioning Setting the gas/air mixture ▷ In cases where the pilot flame is too small or too ▷ Switch on the system. Open the gas supply. large, the gas/air mixture can be adjusted using Press the control valve button and hold down. the air slide valve. -
Page 7: Replacing The Thermocouple
Replacing the thermocouple 5 Insert new thermo- couple. 5,5 mm ZT 40, ZTI 55 5 Follow the reverse procedure when reassembling. ▷ Replace the seal between burner housing and ▷ protective tube. 3 Insert new Replacing the ignition electrode thermo- couple. -
Page 8: Maintenance
ZTI 55 Faults DANGER Electric shocks can be fatal! Before working on possible live components, ensure the unit is discon- nected from the power supply. Fault-clearance must only be undertaken by author- ized, trained personnel. ▷ Faults may be cleared only using the measures ▷... -
Page 9: Accessories
! The pilot burner or control valve is defective. For ZT 40 ▷ If the thermo-electric voltage on the control valve ▷ With internal thread: M12 × 1 (for 8 × 1 tube). is < 10 mV, loosen the thermo-cable on the con- For gas pressures for opera- trol valve. -
Page 10: Technical Data
If you have any technical questions, please contact Elster GmbH your local branch office/agent. The addresses are Postfach 28 09, D-49018 Osnabrück available on the Internet or from Elster GmbH. Strotheweg 1, D-49504 Lotte (Büren) T +49 541 1214-0 We reserve the right to make technical modifications F +49 541 1214-370 in the interests of progress.
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