Assembly instructions - Home | Henny Penny … operate unit with foil on top. Ensure that the...

Assembly instructions

Combi Steamer

Unit Model Type ofenergy

Unit type

FlexFusionPlatnium

FlexiFusionGold

6.15

6.21

Electric

Gas

Tabletop unit

Pedestal unit

10.15

10.21

20.15

20.21

Tran

slat

ion

from

the

orig

inal

doc

umen

t • 1

0013

865-

0AM

DE-

- • 1

0/16

/201

5

10013865-0AMAE— en-USR E G I S T E R WA R R A N T Y O N L I N E AT W W W. H E N N Y P E N N Y. C O M

CopyrightAll rights to text, graphics and pictures in this documentation are held by MKN Maschinenfabrik KurtNeubauer GmbH & Co. KG. Distribution or duplication is exclusively permissible subject to a writtenconsent of MKN.Copyright by MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG

ManufacturerCopyright by MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KGHalberstaedter Strasse 2aD-38300 WolfenbuettelTelephone 0 53 31 / 89-0Telefax 0 53 31 / 89-280

2 Assembly instructions

Directory of contents

1 MagicPilot Control Panel ................................................... 5

2 Classic control panel ......................................................... 6

3 Control board ...................................................................... 7

4 Cooking chamber sensors .............................................. 10

5 Core temperature sensor ................................................. 11

6 Moisture sensor ................................................................ 12

7 Vapor sensor .................................................................... 13

8 Reed contact switch ......................................................... 14

9 Pressure switch ................................................................ 15

10 Steaming unit .................................................................. 16

11 Magnetic valve water vapor elimination ....................... 17

12 Solenoid .......................................................................... 18

13 Power board for motor ................................................... 19

14 Semiconductor relay (SSR) ........................................... 20

15 Fan motor ........................................................................ 21

16 Heating element .............................................................. 23

17 WaveClean pump ........................................................... 2517.1 Circulation pump 6.x, 10.x ........................................................... 2517.2 Circulation pump 20.x .................................................................. 2617.3 Drain pump 6.x, 10.x .................................................................... 2717.4 Drain pump 20.x ........................................................................... 28

18 Cooling fan ...................................................................... 29

19 Control transformer ........................................................ 30

20 Door latch ........................................................................ 3120.1 Door latch 6.x, 10.x ....................................................................... 3120.2 Door latch 20.x .............................................................................. 32

21 Cooking chamber door .................................................. 33

22 Cooking chamber light ................................................... 34

23 Transformer glow electrode .......................................... 35

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3Assembly instructions

Directory of contents


24 Gas solenoid valve ......................................................... 36

25 Gas fan ............................................................................ 38

26 Gas burner ...................................................................... 40

27 Glow and ionization electrodes .................................... 42

28 Gas heat exchanger ....................................................... 44

29 Gas burner pipe .............................................................. 46

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MagicPilot Control Panel


1 MagicPilot Control PanelPrerequisite USB stick with current software and additional content. After replacing

the control panel or control board, a software update is absolutelynecessary. Otherwise, the unit is not functional (see "Softwareupdate" in the service instructions).

Preparations • Prepare the new controlpanel. Affix the included foil(c).

• De-energize unit.• Unlock and open control

panel.

c

Dismounting • Disconnect all lines on thecontrol panel.

• Remove the SD card (a).• Remove control panel by

lifting (b).• Only for units with optional

radio scanner:Dismount USB Bluetoothreceiver.

a

b

Mounting • Mounting is done in the reverse order.• Insert the SD card removed previously.• Close the control panel by repeatedly pressing the left side (particularly in the

upper left). The control panel snaps in noticeably at multiple points.• Perform the software update according to the service instructions.• Install additional content according to service instructions.

WARNING Danger of short-circuit due to penetrating moisture

Only operate unit with foil on top.Ensure that the control panel is completely locked.

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Classic control panel


2 Classic control panelPrerequisite USB stick with current software. After replacing the control panel or

control board, a software update is absolutely necessary. Otherwise,the unit is not functional (see "Software update" in the serviceinstructions).

Preparations • Prepare the new controlpanel. Affix the included foil(g). Mount the included knobor take over from existingpanel.

• De-energize unit.• Unlock and open control

panel.

g

Dismounting • Disconnect lines coming fromthe control panel (a - e).

• Remove control panel bylifting (f).

a b c d e f

Mounting • Mounting is done in the reverse order.• Close the control panel by repeatedly pressing the left side (particularly in the

upper left). The control panel snaps in noticeably at multiple points.• Perform the software update according to the service instructions.



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Control board


3 Control boardPrerequisite USB stick with current software. After replacing the control panel or

control board, a software update is absolutely necessary. Otherwise,the unit is not functional (see "Software update" in the serviceinstructions).

Preparations • De-energize unit.• Unlock and open control panel.• Insofar as possible, dismount the left side panel.

Dismounting • Disconnect all connectorsfrom the control board. Labelsensor lines andcommunication lines ifnecessary.

• Dismount the control board byunlocking the plastic clips (a,b).

• Dismount the groundingscrew and strain relief.

• Remove the control board.• Remove the digital key and

plug in on new control board.

a

b

Overview of control board

e

d

c

f

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Control board


c Temperature sensor connections:X24 = B1 core temperature sen-sorX25 = B2 cooking chamber sen-sor 1 (for 20.x upper chamber)X26 = B3 cooking chamber sen-sor 2 (only for 20.x, lower cham-ber)X27 = B4 vapor sensorX28 = B5 moisture sensorX29 = B6 sousvide sensor (op-tion)X29 = B7 external core tempera-ture sensor (option)

e Communication with ignition elec-tronics (only for gas energy type):X4 = ignition electronics A10 (for20.x upper chamber)X3: ignition electronics A20 (onlyfor 20.x, lower chamber)

d Digital key f Communication fan motor:X5 = motor M1 (for 20.x upperchamber)X6 = motor M2 (only for 20.x,lower chamber)

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Control board


Mounting

INFORMATION The unit only functions with the digital key.

WARNING Faults due to incorrect temperature sensor configuration

X25, X26 and X27 have identical connectors. Ensure correct configuration onconnection (c).

WARNING Faults due to incorrect configuration of the communication lines

for 20.x pedestal units

The lines for motors and ignition electronics have identical connectors. Ensurecorrect configuration on connection (e, f).

• Mounting is done in the reverse order.• Close the control panel by repeatedly pressing the left side (particularly in the

upper left). The control panel snaps in noticeably at multiple points.• Perform the software update according to the service instructions.• Only for units with touchscreen: Execute "Restore data" on the service menu.

All data stored on the SD card is read in.

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Cooking chamber sensors


4 Cooking chamber sensorsPreparations • Disconnect unit from the power supply.

• Unlock and open control panel.• Remove the left and right side panels.

Dismounting / Mounting • Remove cooking chamber sensors fromcontrol board.

• Configuration:X25: cooking chamber sensor B2 (for 20.x upper sensor)

• X26: cooking chamber sensor B3(only for 20.x, lower sensor)

• Dismount strain relief.

The sensor line is laid in a hose behind the cook-ing chamber. The cooking chamber sensor ismounted on the right panel of the cooking cham-ber.• Loosen sensor screws and pull out cooking

chamber sensor (a, b).• Fasten the new sensor to the existing sensor

in order to use it as strain relief. Pull sensorthrough hose.

• Push cooking chamber sensor through theTeflon sleeve and tighten the sensor screw (b,a).

• Plug cooking chamber sensor into controlboard and mount strain relief.

• Bend cooking chamber sensor slightly upwardin order to avoid drop formation on the testprod.

Sensor connections on Control board

ab

Correct sensor mounting. No bar of the protective basket may point upward.

Incorrect sensor mounting.

• Mount the side panels.• Close the control panel by pressing.

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Core temperature sensor


5 Core temperature sensorPreparations • Disconnect unit from the power supply.

• Unlock and open control panel.• Only for 20.x pedestal units: dismount the left side panel.

Dismounting / Mounting • Disconnect the core temperaturesensor from the control board.

• Configuration:X24: core temperature sensor B1


Unit variants 6.x, 10.x

• Loosen sensor screw from thefront.

• Pull core temperature sensor outof the cooking chamber side.

Unit variant 20.x

• Loosen sensor screw on the leftside.

• Pull core temperature sensor outof the cooking chamber side.

Mounting • Mounting is done in the reverse order.• Close the control panel by pressing.• Mount side panel.



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Moisture sensor


6 Moisture sensorPreparations • Disconnect unit from the power supply.

• Unlock and open control panel.• Remove the left side panel.

Dismounting • Remove moisture sensor from the controlboard.

• Configuration:X28: moisture sensor B5


The moisture sensor is in the lower area on thesupply air pipe.• Loosen sensor screw (a).• Pull moisture sensor out (b).


Mounting • Push moisture sensor through Teflon sleeve(b).

• Tighten sensor screw (a).• Plug moisture sensor into control board and

mount strain relief.• Mount side panel.• Close the control panel by pressing.

a

b

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Vapor sensor


7 Vapor sensorPreparations • Disconnect unit from the power supply.

• Unlock and open control panel.• Remove the left side panel.

Dismounting • Remove vapor sensor from control board.• Configuration:

X27: vapor sensor B4• Dismount strain relief.


Units with automaticWaveClean cleaning system

The water vapor sensor is on the left side of thesiphon.• Loosen screw connection and remove sensor

(b, a).

a

b

Units without automaticWaveClean cleaning system

The vapor sensor is in the drain area under thecooking chamber.• Remove protective cover by dismounting the

screws (c). c

• Loosen screw connection and remove sensor(e, d).

d

e

Mounting • Mounting is done in the reverse order.• Close the control panel by pressing.

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Reed contact switch


8 Reed contact switchPreparations • Disconnect unit from the power supply.

Dismounting for units withcooking chamber door

hooked into the right

• Unlock and open control panel.• Disconnect connector X21 from the

reed contact switch of the controlboard.

• Dismount screws and remove reedcontact switch (b, a).

a b

Dismounting for units withcooking chamber door

hooked into the left

• Remove the right side panel.• Dismount screws and remove

mounting plate with reed contactswitch (a).

• Loosen screws for mounting plate andremove reed contact switch (b).

• Unplug lines from plug connector.

a b

Mounting • Mounting is done in the reverse order.• Close the control panel by pressing.

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Pressure switch


9 Pressure switchPreparations • Disconnect unit from the power supply.

• Shut off customer-supplied water supply on the soft water connection.• Reduce water pressure in the supply line.• Remove the left side panel.

Dismounting • Unplug both connectors from thepressure switch (b).

• Pull retainer clip out (a).• Remove pressure switch.

a

b

Mounting • Mounting is done in the reverse order.

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Steaming unit


10 Steaming unitPreparations • Disconnect unit from the power supply.

• Shut off customer-supplied water supply on the soft water connection.• Reduce water pressure in the supply line.• Remove the left side panel.

Dismounting • Dismount connectors on both magnetic valves.• Unplug connector from the pressure switch (a) (if present).• Dismount connection nut (b).• Dismount water supply. Dismount both screws on the unit bottom (c)• Remove steaming unit and take over mounting plate on the new

steaming unit.

a b a b

c d bc

Mounting • Mounting is done in the reverse order.• The marking "P" must be on the bottom. The sieve (d) on the intake

side must always be present.

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Magnetic valve water vapor elimination


11 Magnetic valve water vapor eliminationPreparations • Disconnect unit from the power supply.

• Block customer-supplied water supply.• Reduce water pressure in the supply line.• Remove the left side panel.

Dismounting for units withhand shower

• Unplug connector frommagnetic valve (b).

• Loosen clamp and removehose (a).

• Loosen connection nut andremove magnetic valve (c).

a

b

c

Dismounting for unitswithout hand shower

• Unplug connector frommagnetic valve (b).

• Loosen clamp and removehose (a).

• Dismount water supply.Dismount both screws on theunit bottom (e).

• Remove magnetic valve andmounting plate (d).

• Pull out sieve and clean ifnecessary (f).

a

b

d

e

f

Mounting • Mounting is done in the reverse order.• The sieve (f) on the intake side must always be present.

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Solenoid


12 SolenoidPreparations • Disconnect unit from the power supply.

• Remove the left side panel.

Dismounting • Loosen threaded cable connection (b).• Loosen clamps (a).• Pull silicone hose (c) upward.

a

b

c

a

• Dismount screws (d).• Remove solenoid (e).• Dismount solenoid mechanics (f).

d

e

f

Mounting • Mounting is done in the reverse order.• If necessary, replace seal #211080 (h).• Glue in the solenoid mechanics with

screw locking paint.• The solenoid height (g) must be

between 5-7 mm.

g

h

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Power board for motor


13 Power board for motorPreparations

DANGER Warning: electric shock! Danger of death!

When working on the power board, make sure that energized parts are ex-posed. Work on these components during operation and up to 3 minutes afterenabling is not allows. Even if the motor is stopped and the appliance is de-en-ergized, the connection terminals and components can conducted dangerousvoltage!

• Disconnect unit from the power supply.• Remove the left side panel.

Dismounting 6.x, 10.x • Dismount screws (a).• Remove power board with

cooling elements. The coolingelement is a component of theassembly.

• Loosen all electricalconnections from the powerboard. a

Dismounting 20.x The unit variant has two identical power boards.

• Dismount screws of theappropriate power board (a).

• Remove power board withcooling elements. The coolingelement is a component of theassembly.

• Loosen all electricalconnections from the powerboard.

a

a


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Semiconductor relay (SSR)


14 Semiconductor relay (SSR)Preparations • Disconnect unit from the power supply.


Dismounting 6.x, 10.x • Dismount screws (a).

a

• Remove cooling elementswith semiconductor relayupward.

• Dismount screws fromsemiconductor relay to bereplaced and remove.

• Dismount lines.

Dismounting 20.x The unit variant has four semiconductor relays. The dismounting isidentical to the unit variant 6.x, 10.x.

• b = semiconductor relay forupper heating circuit

• c = semiconductor relay forlower heating circuit

b c


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Fan motor


15 Fan motorPreparations • Disconnect unit from the power supply.

• Remove the left side panel.• Remove air diverter in the cooking chamber.• Wear gloves when performing mounting work.• Heed notes from the puller used.

Dismounting • Dismount fastening screw (a).

a

• Remove fan impeller from theconical motor shaft with three-leg puller or segment puller(b).

b

• Gasket of the axle is loose.For this, loosen all fourscrews one turn apiece (c). c

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Fan motor


• Remove electricalconnections from the motor.

• Loosen hoses fastened on themotor.

• Remove nuts and removemotor (d).

d

d

• Remove shaft seal byloosening the screws.

• Remove shaft seal (e).

e

Mounting • Mounting is done in the reverse order.• Replace shaft seal #211084.• Mount axle seal loosely. Do not tighten screws.• Apply special grease (temperature-resistant, food safe) on motor shaft (only

apply a thin coat, not in the area of the axle cone).• Fasten motor with nuts (d) crosswise. Tightening torque 20 Nm.• Fasten axle seal from the cooking chamber side. Turn motor shaft and

tighten the four screws crosswise so they are hand-tight.• Insert the fan impeller and mount the impeller fastening screw. Tightening

torque 35 Nm.• Make the electrical connections for the motor.• Fasten hoses to motor again.• Final function check.• Mount air diverter and left side panel.

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Heating element


16 Heating elementPreparations • De-energize unit.

• Remove the left side panel.• Unlock and open air diverter.

Dismounting • Dismount lines fromsemiconductor relay (a).

a

• Disconnect line fromcontactor Q1, terminal 5L3(b).

b

• Dismount screw from waterintake pipe in the cookingchamber (c).

• Disconnect water intake pipe.• Dismount all nuts from the

heating element (d).

c d

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Heating element


• Dismount nuts on frontretaining clip.

• Remove heating element. e

Mounting • Mounting is done in thereverse order.

• The seal on the flange mustbe replaced.

Mounting notes for screwconnections

• Use anti-seize mounting paste for the nuts on the heating element.• Tighten the nuts of the heating element with 6 Nm.

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WaveClean pump


17 WaveClean pump

17.1 Circulation pump 6.x, 10.x

Preparations • Activate relay K24 via the relay test on the service menu. The drain pumppumps the water out of the siphon.


Dismounting • Dismount the screw from theleft protective box (a).

• Remove protective box.

a

• Loosen hose clamp andremove hose from the pump(c).

• Unplug connector (b).

b c

• Dismount nuts and removepump from the siphon (d).

• Attention! Water can escapefrom the siphon.

d

e

d

Mounting • Mounting is done in the reverse order.• Replace the seal between siphon and pump #211131.

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WaveClean pump


17.2 Circulation pump 20.x

Preparations • Activate relay K24 via the relay test on the service menu. The drain pumppumps the water out of the siphon.


Dismounting • Dismount supply air box (a).• Dismount supply air box (b).

a b

• Loosen hose clamp. Removehose from the pump (c).

c

• Dismount nuts and removepump from the siphon.Attention! Water can escapefrom the siphon (d).

• Unplug connector.

d

• Seal (e).

e


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WaveClean pump


17.3 Drain pump 6.x, 10.x

Preparations • Unlock air diverter and unfold.• Activate relay K16 via the relay test on the service menu. The siphon pump

pumps the water into the cooking chamber. Catch water with container.• Disconnect unit from the power supply.• Remove the left side panel.

Dismounting • Dismount the screw from thefront protective box (a).

• Remove protective box.a

• Dismount nuts (b).• Attention! Water can escape

from the siphon.

bb

• Loosen hose clamp andremove hose from the pump(d).

• Unplug connector (e).

c d e


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WaveClean pump


17.4 Drain pump 20.x

Preparations • Unlock air diverter and unfold.• Activate relay K16 via the relay test on the service menu. The siphon pump

pumps the water into the cooking chamber. Catch water with container.• Disconnect unit from the power supply.• Remove the left side panel.

Dismounting • Dismount supply air box (a).• Dismount supply air box (b).

a b

• Loosen hose clamp andremove hose from the pump(c).

c

• Dismount nuts and removepump from the siphon.Attention! Water can escapefrom the siphon (d).

• Unplug connector.

d

• Seal (e).

e


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Cooling fan


18 Cooling fanPreparations • Disconnect unit from the power supply.

Dismounting 6.x • Unlock and open controlpanel.

• Fold retaining clip up (b).• Remove all electrical

connections from the fan.• Remove fan.

b

Dismounting 10.x • Remove the left side panel.• Dismount screws (a).• Remove cooling elements

with semiconductor relayupward.

a

• Remove all electricalconnections from the fan.

• Fold retaining clip up (b).• Remove fan.

b

Dismounting 20.x The unit variant has two identical cooling fans.

• Remove the left side panel.• Remove all electrical

connections from the fan.• Dismount screws (c).• Remove fan.

c


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Control transformer


19 Control transformerPreparations • Disconnect unit from the power supply.


Dismounting • Unplug connector fromtransformer.

• Bend metal tab.• Remove transformer.

a b

Mounting • Mounting is done in the reverse order.• If the metal tab (a) breaks off, use replacement tab (b).

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Door latch


20 Door latch

20.1 Door latch 6.x, 10.x

Preparations • Open cooking chamber door.

Dismounting • Dismount screws (a).• Remove cover (b).

a b

• Remove sticker from doorhandle.

• Dismount screw on doorhandle (f).

• Remove door handle (e).• Dismount screws from door

latch (c).• Remove door latch (d).

c d e f

Mounting • Mounting is done in the reverse order.• Glue screws of the door latch with screw locking adhesive (c).

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Door latch


20.2 Door latch 20.x

Preparations • Open cooking chamber door.

Dismounting • Dismount screws (a).• Remove cover (b).

a b

• Remove metal disk (d).• Dismount screws from door

latch (c).• Remove door latch.

c d cc

• Remove sticker from doorhandle.

• Dismount screw on doorhandle (e).

• Remove door handle.

e

Mounting • Mounting is done in the reverse order.• Glue screws of the door latch with screw locking adhesive (c).

CAUTION Mount door handle first on new door latch.

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Cooking chamber door


21 Cooking chamber doorPreparations • Close the cooking chamber door.

• Mark position of upper door hinge. This makes it easier to set the newcooking chamber door.

Dismounting • Dismount screws (a).• Remove door hinge (b).

a

b

• Open cooking chamber door.• Unhook cooking chamber

door.

• Loosen screws (a).• Remove cover (b).• Loosen the three screws from

the door latch.• Remove door latch together

with door handle.

a b

Mounting • Mounting is done in the reverse order.• Glue screws of the door latch with screw locking adhesive.• Secure seal of the cooking chamber door. The gap between housing and

cooking chamber door is 12 mm.

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Cooking chamber light


22 Cooking chamber lightPreparations • De-energize unit.

• Remove the right side panel.

Dismounting • Dismount nuts (a).• Remove reflector.

a

• Remove light bulb fromsocket.


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Transformer glow electrode


23 Transformer glow electrodePreparations • Disconnect unit from the power supply.


Dismounting 6.x, 10.x • Unplug connector fromtransformer.

• Dismount both screws.• Remove transformer.

Dismounting 20.x The unit variant has two transformers:

• Upper transformer for glow electrode of upper burner.

• Lower transformer for glow electrode of lower burner.

• Unplug connector fromtransformer.

• Dismount both screws.• Remove transformer.


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Gas solenoid valve


24 Gas solenoid valvePreparations • De-energize unit.

• Shut off the gas supply.• Remove the left side panel.

Dismounting • Loosen screws and removecover (a).

• Remove electricalconnections.

• Remove ignition electronicsfrom the magnetic valve.

a

• Remove supply pipe fromVenturi pipe (b).

• Remove screws from Venturipipe (c).

• Remove magnetic valve.• Dismount gas hose (d).• Remove gas orifice with seal

(e, f).

c f e b d


Mounting note for screwconnections

• Screws for gas hose (d):- Glue in with screw locking (e.g. Loctite 586)- Tighten with tightening torque 3 Nm.

• Screws for Venturi pipe (c):- Mount with anti-seize paste- Tighten with tightening torque 3 Nm.

WARNING Risk of asphyxiation and explosion from damaged seals

• Check seals for damage.• Replace damaged seals.

WARNING Risk of explosion and fire from leaking, gas-conducting parts

• Heed tightening torques for the screw connections.• Check the gas connection line and all gas-conducting parts for leaks at the

operating pressure.

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Gas solenoid valve


NOTICE Risk of poisoning from exhaust gases

• CO22 calibration required.

ð Perform CO22 calibration according to installation instructions/serviceinstructions.

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Gas fan


25 Gas fanPreparations • De-energize unit.

• Shut off the gas supply.• Remove the left side panel.• If necessary, dismount the exhaust pipe in the unit.• Dismount the gas solenoid valve (see „24 Gas solenoid valve‟, Page 36).

Dismounting • Loosen screws and removethe Venturi pipe (a).

a

• Unplug connector from gasfan (b).

• Remove screws from gas fan(d).

• Loosen screws of gas fan (c).• Remove gas fan toward the

bottom.

b

c

d


• Both seals must be replaced(e).

e


For all screws, use anti-seize mounting paste.

Screws for Venturi pipe (a):- Tighten with tightening torque 3 Nm.

Screws for gas fan (c, d):- Tighten with tightening torque 5 Nm.

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Gas fan






operating pressure.

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Gas burner


26 Gas burnerPreparations • De-energize unit.

• Shut off the gas supply.• Remove the left side panel.• If necessary, dismount the exhaust pipe in the unit.• Dismount the gas solenoid valve (see „24 Gas solenoid valve‟, Page 36).• Dismount the gas fan (see „25 Gas fan‟, Page 38).

Dismounting • Dismount nuts and Venturipipe (a).

• Unplug connectors of theglow electrodes from thetransformer.

a

a

a

• Remove gas burner.


• Both seals must be replaced(b).

b


For all nuts, use anti-seize mounting paste.

Nuts for gas burner (a):- Tighten with tightening torque 6 Nm.


• Check seals for damage.

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Gas burner


• Replace damaged seals.



operating pressure.

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Glow and ionization electrodes


27 Glow and ionization electrodesPreparations • De-energize unit.

• Shut off the gas supply.• Remove the left side panel.• Dismount the gas solenoid valve (see „24 Gas solenoid valve‟, Page 36).• Dismount the gas fan (see „25 Gas fan‟, Page 38).• Dismount the gas burner (see „26 Gas burner‟, Page 40).

Dismounting • Loosen threaded cableconnection and pull out lines.

Glow electrode

• Dismount nuts and glowelectrode (a).

a

Ionization electrode

• Dismount nuts and removeionization electrode (b).

b

Mounting • Mounting is done in the reverse order.• The cable feedthrough must be replaced.

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Glow and ionization electrodes








operating pressure.




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Gas heat exchanger


28 Gas heat exchangerPreparations • De-energize unit.


Dismounting • Remove insulation fromexhausts pipe (a).

• Dismount nuts (b).

a b b

• Dismount nuts. The positionscan vary (c).

• Remove retainer plate.• Remove heat exchanger.

c

Mounting • Mounting is done in the reverse order.• All seals must be replaced.



Tighten all nuts of the gas heat exchanger with 6 Nm.



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Gas heat exchanger




operating pressure.




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Gas burner pipe


29 Gas burner pipePreparations • De-energize unit.


Dismounting • Dismount screws (b).• Remove burner pipe (c).

b b ca


• The seal on the burner pipemust be replaced (a).

• Make sure that there are nometal hairs in the area of theionization electrode (d).

d


For all screws, use anti-seize mounting paste.





operating pressure.



1001

3865

-0AM

AE—

Gas burner pipe



1001

3865

-0AM

AE—

Gas burner pipe


1001

3865

-0AM

AE—

CopyrightAll rights to text, graphics and picturesin this documentation are held by MKNMaschinenfabrik Kurt NeubauerGmbH & Co. KG. Distribution orduplication is exclusively permissiblesubject to a written consent of MKN.Copyright by MKN MaschinenfabrikKurt Neubauer GmbH & Co. KG

ManufacturerCopyright by MKN MaschinenfabrikKurt Neubauer GmbH & Co. KGHalberstaedter Strasse 2aD-38300 WolfenbuettelTelephone 0 53 31 / 89-0Telefax 0 53 31 / 89-280

*10013865-0AMAE—*

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