Table of Contents
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solenoid valve for air VAA
Contents
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Checking the usage . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Setting the bypass . . . . . . . . . . . . . . . . . . . . . . . 4
Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Replacing the solenoid actuator . . . . . . . . . . . . . 6
Replacing the damping unit. . . . . . . . . . . . . . . . . 6
Replacing the circuit board . . . . . . . . . . . . . . . . . 6
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Designed lifetime. . . . . . . . . . . . . . . . . . . . . . . . . 9
Logistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
oPeRAtInG InstRUCtIons
· Edition 09.21 · EN · 03251614
sAFetY
Please read and keep in a safe place
Please read through these instructions care-
fully before installing or operating. Following the installa-
tion, pass the instructions on to the operator. 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
1 , 2 , 3 , a , b , c = 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.
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Summary of Contents for Krom Schroder DG 17VC
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Page 1: Table Of Contents
solenoid valve for air VAA oPeRAtInG InstRUCtIons · Edition 09.21 · EN · 03251614 sAFetY Please read and keep in a safe place Please read through these instructions care- fully before installing or operating. Following the installa- tion, pass the instructions on to the operator. This unit must be installed and commissioned in accordance with the regulations and standards in force. -
Page 2: Checking The Usage
type label CHeCKInG tHe UsAGe Mains voltage, electrical power consumption, ambient The valVario solenoid valve for air VAA is used for the temperature, enclosure, inlet pressure and installation staged control of industrial burners in cold air oper- position: see type label. ating mode. -
Page 3: Wiring
➔ The inlet pressure p and the outlet pres- WIRInG sure p can be measured using the pressure test points on both sides, see accessories. WARnInG Risk of injury! Please observe the following to ensure that no damage occurs: – Electric shocks can be fatal! Before working on possible live components, ensure the unit is ➔... -
Page 4: Setting The Bypass
Plug Valve open ➔ LV1 (+) = black, N (–) = blue Valve closed ➔ When installing two plugs on VAA a with position switch: label the sockets and plugs to avoid con- fusion. Valve open socket ➔ 1 = N (–), 2 = LV1 (+) Valve closed ➔... -
Page 5: Commissioning
Bypass flow rate 20° 30° 40° 50° 60° 70° 10° 80° 78,7 0° 90° 59,1 39,4 27,6 19,7 11,8 Q [m /h (n)] 11,9 18,7 37,3 74,7 747 1120 Q [SCFH] The characteristic flow rate curves have been meas- ured with the valve closed. The setting for the opening angle in the bypass de- pends on the supply pressure and air requirement. -
Page 6: Replacing The Solenoid Actuator
setting the damping speed on the VAA../L slow opening/slow closing 1 Shut off the air supply. ➔ The opening speed can be influenced by turning ➔ The solenoid actuator remains switched on. the nozzle screw on the damping unit. ➔ Loosen the M3 setscrews (1.5 mm hexagon sock- CAUtIon et), but do not unscrew completely. -
Page 7: Maintenance
Variable bypass VAA /B MAIntenAnCe For retrofitting on the VAA, the bypass can be supplied as an additional item. CAUtIon In order to ensure smooth operation, check the device function: – Check electrical installations once a year in line with local regulations; pay particular attention to the PE wire, see page 3 (Wiring). - Page 8 Mechanical data Power consumption: Gas types: clean air. The air must be clean and dry type Voltage Power in all temperature conditions and must not contain VAA 1 24 V DC 25 W condensate. VAA 1 100 V AC 25 W (26 VA) Medium temperature = ambient temperature. VAA 1 120 V AC 25 W (26 VA)
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Page 9: Designed Lifetime
DesIGneD LIFetIMe CeRtIFICAtIon This information on the designed lifetime is based on Declaration of conformity using the product in accordance with these operat- ing instructions. Once the designed lifetime has been reached, safety-relevant products must be replaced. Designed lifetime (based on date of manufacture) in We, the manufacturer, hereby declare that the prod- accordance with EN 13611, EN 161 for VAA: ucts VAA comply with the requirements of the listed... - Page 10 FoR MoRe InFoRMAtIon The Honeywell Thermal Solutions family of products includes Honeywell Combustion Safety, Eclipse, Exothermics, Hauck, Kromschröder and Maxon. To learn more about our products, visit ThermalSolutions.honeywell.com or contact your Honeywell Sales Engineer. Elster GmbH Strotheweg 1, D-49504 Lotte T +49 541 1214-0 hts.lotte@honeywell.com www.kromschroeder.com...
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