Krom Schroder ZMI Operating Instructions Manual

Gas pilots
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Operating instructions
Gas pilots ZMI, ZMIC
Contents
Contents
Gas pilots ZMI, ZMIC . . . . . . . . . . . . . . . . . . . . 
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Checking the usage . . . . . . . . . . . . . . . . . . . . . 
Checking the gas type. . . . . . . . . . . . . . . . . . . 
ZMIC..K . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Leak test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . 5
ZMI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
ZMIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Replacing the electrode . . . . . . . . . . . . . . . . . . . 5
ZMIC..K: replacing the bellows unit . . . . . . . . . . 6
ZMIC: replacing the ceramic tube. . . . . . . . . . . . 6
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . 7
Logistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Declaration of Incorporation. . . . . . . . . . . . . . 8
Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
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www.docuthek.com
Safety
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.
Changes to edition 07.7
The following chapters have been changed:
-
Checking the usage
-
Wiring
-
Maintenance
GB-1

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Summary of Contents for Krom Schroder ZMI

  • Page 1: Table Of Contents

    ZMI........5 ZMIC ....... . . 5 Changes to edition 07.7...
  • Page 2: Checking The Usage

    ZMIC Checking the usage Type code Intended use Code Description Ionization-controlled gas pilot for safely igniting gas ZMIC Ionization pilot with forced air supply, burners. The capacity of the gas pilot should be 2 one electrode and a ceramic flame to 5% of that of the main burner.
  • Page 3: Checking The Gas Type

    Checking the gas type  Check if the gas nozzle diameter is suitable for the required gas type. Nozzle type dia. [mm (inch)] ZMI 16 ZMI 25 ZMIC 28 0.94 (0.037) 1.40 (0.055) 1.40 (0.055) Position the 0.76 (0.029) 1.05 (0.041) 1.05 (0.041) burner before 1.30 (0.051) 1.78 (0.070) 1.78 (0.070)
  • Page 4: Wiring

     Check that the burner block hole is not blocked, Wiring e.g. using a wooden stick. DANGER ZMIC Electric shocks can be fatal! Before working on possible live components, ensure the unit is discon- nected from the power supply. ▷ For the ionization and ignition cables, use un- screened high-voltage cable: FZLSi 1/7 -50 to +180°C (-58 to +356°F), Order No.
  • Page 5: Commissioning

    Risk of explosion! Please observe the appropriate upstream of the precautions when igniting the burners. ZMI or ZMIC. Risk of poisoning! Open the gas and air supply ▷ Gas and air pressures: flow rate curves – see so that the burner is always operated with excess air –...
  • Page 6: Zmic

     Check distance L: in the direction of the furnace. The bellows unit gasket Burner Burner cord must not ZMI 16B 25 mm ZMI 25B 35 mm be twisted ZMI 16D 21 mm ZMI 25D 20 mm when installing.
  • Page 7: Accessories

    50 mm Order number: 05012009. Technical data Lubricate retain- Capacity: ing piece with ZMI 16: 1 to 2 kW (3.8 to 7.6 10 BTU/h), ceramic paste ZMI 25: 2.5 to 4 kW (9.5 to 15.1 10 BTU/h) before fitting (1.5 to 3.3 kW in conjunction with coke oven gas, the clamping town gas).
  • Page 8: Logistics

    Declaration of Incorporation Flame control: with flame rod. pursuant to 2006/42/EC, Annex II, No. 1B Ignition: direct spark ignition (5 kV ignition trans- The products “Burners for gas ZMI and ZMIC” are former). partly completed machines pursuant to Article 2g and Terminal boot: interference-suppressed.
  • Page 9: Certification

    Certification Eurasian Customs Union The product ZMI, ZMIC meets the technical specifi- cations of the Eurasian Customs Union. GB-9...

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