Table of Contents
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7.2.14 Edition 01.11
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Operating instructions
Burners for gas
BIO, BIOA
Translation from the German
© 2008 - 2011 Elster GmbH
Contents
Burners for gas BIO, BIOA . . . . . . . . . . . . . . . 1
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Checking the usage . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation in a burner quarl . . . . . . . . . . . . . . . . 3
Burner with attachment tube . . . . . . . . . . . . . . . 3
Installation on the furnace . . . . . . . . . . . . . . . . . 4
Air connection, gas connection . . . . . . . . . . . . . 4
Installing the burner insert . . . . . . . . . . . . . . . . . 5
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preparing commissioning . . . . . . . . . . . . . . . . 6
Safety instructions . . . . . . . . . . . . . . . . . . . . . . . 6
Determining the flow rates . . . . . . . . . . . . . . . . . 6
Notes on the flow rate curve . . . . . . . . . . . . . . . 7
Restrictors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Hot air compensation. . . . . . . . . . . . . . . . . . . . . 8
Commissioning. . . . . . . . . . . . . . . . . . . . . . . . 10
Igniting and adjusting the burner . . . . . . . . . . . 10
Tightness test. . . . . . . . . . . . . . . . . . . . . . . . . . 11
Cooling air . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Blocking and recording the settings . . . . . . . . . 12
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Assistance in the event of malfunction . . . . 14
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Technical data. . . . . . . . . . . . . . . . . . . . . . . . . 15
Certification . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
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www.docuthek.com
Safety
Please read and keep in a safe place
Please read through these instructions
carefully before installing or operating. Follow-
ing the installation, pass the instructions on to the
operator. These instructions can also be found at
www.docuthek.com.
Explanation of symbols
• , 1 , 2 , ... = 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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Summary of Contents for Krom Schroder BIO Series
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Page 1: Table Of Contents
Safety 7.2.14 Edition 01.11 Please read and keep in a safe place www.docuthek.com Please read through these instructions Operating instructions carefully before installing or operating. Follow- Burners for gas ing the installation, pass the instructions on to the BIO, BIOA operator. -
Page 2: Checking The Usage
Part designations Checking the usage Burner for heating industrial thermoprocessing equip- ment. For installation in a burner quarl or for use with an extended, heat-resistant burner tube. For natural gas, town gas and LPG. Other types of gas on request. This function is only guaranteed when used within the specified limits –... -
Page 3: Installation In A Burner Quarl
Flat flame burner quarl Installation Installation in a burner quarl Conical burner quarl ▷ For industrial furnaces and kilns and for burning ▷ in an open combustion chamber. ▷ Control: High/Low, High/Low/Off, continuous ▷ (limited control range). ▷ For industrial furnaces and kilns and for burning ▷... -
Page 4: Installation On The Furnace
▷ Ensure that the seals are undamaged. ▷ DANGER Risk of explosion! Ensure the connection is gas- tight. ▷ On delivery, the threaded gas connection is situ- ▷ ated opposite of the air connection; it can be rotated in increments of 90°. For connecting to ANSI/NPT connections: ▷... -
Page 5: Installing The Burner Insert
Ignition lance connections on the BIO..L: Ionization electrode I ▷ Air connection la: Rp 3/8". ▷ ▷ Install the ionization cable well away from mains ▷ ▷ Gas connection ga (as from burner size 65): ▷ cables and interference from electro-magnetic Rp 1/4". -
Page 6: Preparing Commissioning
Determining the flow rates Preparing commissioning Safety instructions ▷ Arrange the adjustment and commissioning of the ▷ . λ . L Luft burner with the system operator or manufacturer. ▷ Check the entire system, upstream devices and ▷ ▷ ▷ V : Gas flow rate in m /h (ft ▷... -
Page 7: Notes On The Flow Rate Curve
Notes on the flow rate curve CAUTION ▷ If the gas density in the operating state differs from ▷ that reflected in the flow rate curve, convert the If reducing fittings or manual valves with internal pressures according to the local operating state. thread are installed, ∆p on the integrated gas measuring orifice is reduced. -
Page 8: Restrictors
Restrictors Setting the air pressure for low fire and high ▷ The air volume required for the low-fire rate at a ▷ fire 1 Shut off the gas and air supply. given air pressure is determined by the ignition BIO: position of a butterfly valve, a bypass hole in the ▷... -
Page 9: Preparing The Gas Pressure Measurement For Low Fire And High Fire
required flow rate and the existing supply pres- Burners with gas measuring orifice: sure if required. • Read off the differential pressure for the required gas flow rate from the enclosed flow rate curve High fire: for cold air. • Set the required air pressure p on the air restric- tor upstream of the burner. -
Page 10: Commissioning
▷ The burner ignites and proceeds to normal op- ▷ Commissioning eration. Igniting and adjusting the burner • Check flame stability and ionization current at low fire. Switch-off threshold – see automatic burner WARNING control unit operating instructions. Ensure adequate ventilation of the furnace chamber before each burner start! ▷... -
Page 11: Tightness Test
Tightness test Adjust the flow rate. DANGER To ensure that there is no danger resulting from a leak, check the gas connections on the burner for leaks immediately after the burner has been put into operation. Do not alter the flow ad- justment! ▷... -
Page 12: Cooling Air
Cooling air Maintenance ▷ While the burner is switched off and depending on ▷ We recommend that a function check is carried out the furnace temperature, there must be a certain every six months. air flow for cooling the burner components. WARNING Purging/cooling air volume for burners Risk of burning! Outflowing flue gases and burner... - Page 13 Checking the burner New gas housing gasket. ▷ Tighten burner insert: BIO(A) 50 to 100 with max. ▷ ▷ If the burner insert is dismantled, the gas housing ▷ 15 Nm (11 lb ft), BIO 125 to 140 with max. 30 Nm gasket will have to be renewed.
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Page 14: Assistance In The Event Of Malfunction
• Measure the ionization current by connecting a Assistance in the event of micro-ammeter into the ionization cable: min. malfunction 5 µA ionization current – stable signal. DANGER Electric shocks can be fatal! Before working on possible live components ensure the unit is discon- nected from the power supply. -
Page 15: Accessories
Accessories Technical data Gas supply pressure: approx. 20 to 50 mbar, Ceramic paste air supply pressure: approx. 25 to 40 mbar, each depending on flame shape, gas type and air temperature (gas and air pressures – see operating characteristic diagrams at www.docuthek.com). Burner length increments: 100 mm. -
Page 16: Certification
Certification Approval for Russia Certified by Gosstandart pursuant to GOST-R. Approved by Rostekhnadzor (RTN). Contact 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...
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