Table of Contents
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05095
www.docuthek.com
D
GB
F
Operating instructions
Control valves ST,
Gas pilots ZTA, ZT 40, ZTI 55
Contents
Control valves ST,
Gas pilots ZTA, ZT 40, ZTI 55 . . . . . . . . . . . . .
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the usage . . . . . . . . . . . . . . . . . . . . .
Control valve S11T. . . . . . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting the pilot gas supply line . . . . . . . 4
on ZT 40../00 . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . 5
Checking the switch-off time . . . . . . . . . . . . . . . 6
Tightness test . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Setting the gas/air mixture . . . . . . . . . . . . . . . 6
Replacing the thermocouple . . . . . . . . . . . . . 7
Replacing the spark electrode . . . . . . . . . . . . 7
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Faults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Gas restrictor orifice, air restrictor orifice . . . . . . 9
High-voltage cable . . . . . . . . . . . . . . . . . . . . . . . 9
Thermo-cable and grounding cable . . . . . . . . . . 9
Gas nozzle . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Technical data . . . . . . . . . . . . . . . . . . . . . . . . 0
Certification . . . . . . . . . . . . . . . . . . . . . . . . . . 0
Declaration of conformity . . . . . . . . . . . . . . . . . 10
Eurasian Customs Union . . . . . . . . . . . . . . . . . 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 and standards
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 damage resulting from
non-observance of the instructions and non-com-
pliant 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.
Changes to edition 0.4
The following chapters have been changed:
-
Wiring
-
Certification
GB-1
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Table of Contents
Related Manuals for Elster Kromschroder S11T
Summary of Contents for Elster Kromschroder S11T
-
Page 1: Table Of Contents
Safety 05095 Please read and keep in a safe place www.docuthek.com Please read through these instructions Operating instructions carefully before installing or operating. Following the Control valves ST, installation, pass the instructions on to the opera- Gas pilots ZTA, ZT 40, ZTI 55 tor. -
Page 2: Checking The Usage
ZT 40 Checking the usage Type code Gas pilots Code Description For safe ignition and, in conjunction with control ZT 40 Thermo pilot with protective tube valve S11T, for thermo-electric safeguarding of gas Suitable for operation with: burners. With spark electrode for electrical ignition in natural gas conjunction with an ignition transformer. -
Page 3: Control Valve S11T..s Is Fitted With A Switch To Control
Part designations Installation DANGER Risk of explosion! Ensure the connection is gas- tight. Control valve ▷ Installation position: the button for activating the valve must point upwards or to the side. It must not point downwards. Note the flow direction – see arrow on housing. -
Page 4: Connecting The Pilot Gas Supply Line
Connecting the pilot gas supply line Connecting the air supply line on ZT 40../00 ZTA, ZT 40 ▷ Connect pilot and control valve using an ▷ In the air connection there is an integrated air 8 × 1 tube. nozzle with an Rp 1/4" connection for air supply pressures ≥ 10 mbar. -
Page 5: Commissioning
Remove the right-angle terminal boot from the burner. Screw the ignition cable securely into the right- angle terminal boot. ▷ For the ignition cable, use an unscreened high- voltage cable – see page 9 (High-voltage cable): Replace the right-angle terminal boot. Commissioning DANGER Risk of explosion! Please observe the appropriate... -
Page 6: Checking The Switch-Off Time
Checking the switch-off time Setting the gas/air mixture 6 Close the gas supply. ▷ In cases where the pilot flame is too small or too ▷ Once the pilot flame has gone out, the control large, the gas/air mixture can be adjusted using valve must shut off the main gas supply after the air slide valve. -
Page 7: Replacing The Thermocouple
ZTI 55 Replacing the thermocouple 3 Insert new thermo- couple. 5 Insert 5 , 5 m new thermo- Follow the reverse procedure when reassem- couple. bling. ZT 40 5,5 mm ZT 40, ZTI 55 5 Follow the reverse procedure when reassem- bling. -
Page 8: Maintenance
ZT 40 Maintenance ▷ We recommend an annual function check. DANGER Electric shocks can be fatal! Before working on possible live components, ensure the unit is disconnected from the power supply. Risk of burning! Dismantled burner components can be hot due to outflowing flue gases. Risk of explosion and poisoning in case of burner adjustment with an air deficiency! Ad- just the gas and air supply so that the burner is... -
Page 9: Accessories
? Faults Accessories ! Cause • Remedy Gas restrictor orifice, air restrictor orifice For adjusting the gas or air volume to increased sup- ply pressures, a gas or air restrictor orifice is to be ? The pilot flame is not burning. installed upstream of the burner. -
Page 10: Gas Nozzle
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.