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DeDietrich MCR 24, Technical Instructions, Page: 63 / 68

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DeDietrich MCR 24 Technical Instructions Download Page 63

63

08/06/06 - 300008460-001-B

MCR 24, 24/28 MI, 30/35 MI, 34/39 MI

4011

S43561

Fuse (2 AT) (10 pieces)

4012

S59372

Fixing clamp

4015

S100229

Switch

5002

S59132

3-way valve motor

5003

S100247

Hydraulic unit (Left)

5004

S100248

Hydraulic unit (Right)

5007

S58730

O-ring

5009

S59135

Spring (15.2 mm) (10 pieces)

5010

S56155

Gasket (diameter 23.8x17.2x2) (20 pieces)

5011

S59578

Screw M5x8 (20 pieces)

5012

S59141

Screw M5x18 (15 pieces)

5013

S59143

Outlet filter

5014

S62722

Clip (10 pieces)

5015

S62763

Safety valve (3 bar)

5016

S62720

Feed through (diameter 46x15) (10 pieces)

5017

S58757

Spring (17 mm) (10 pieces)

5018

S62433

O-ring (diameter 16x3.6) (10 pieces)

5019

S40824

Tightening collar (22 mm) (10 pieces)

5020

S62725

Clip (25 pieces)

5021

S62730

Flat joint (27.4x18.2x2)

5022

S56157

Gasket (18.3x12.7x2) (10 pieces)

5023

S62765

Valve   (diameter 22)

5024

S100234

Stop valve (1/2")

5025

S62764

Valve   (diameter 15)

5026

S100244

Pipes + Seals

5027

S100233

Stop valve (7/8")

5028

S62754

By-pass

5029

S62532

Valve  

5030

S37365

Tightening collar (15 mm)

5031

S46023

Nut (22 mm) (10 pieces)

5032

S58766

Nut (15 mm) (10 pieces)

5032

S62715

Flat joint (diameter 14.5x8.5x2) (10 pieces)

5033

S100241

Pipe 12/9 (650 mm)

5034

S100246

Disconnector

5035

S100232

Gasket 8.4x5x1.6 (10 pieces)

5036

S100231

M10x1x5 nut (10 pieces)

S100222

Leakproof plug (2 pieces)

MCR ... MI

1001

S100223

Front panel

1002

S62708

Screw M5x20 (20 pieces)

1003

S62724

Fastening plate: Exchanger (24 kW)

1003

S62723

Fastening plate: Exchanger (30 kW)

1003

S100071

Assembly mounting: Heating body

Rep

Code no.

Description

1004

S62709

Leakproof seal (10 m)

1005

S62711

Feed through (diameter 48x28) (5 pieces)

1006

S62720

Feed through (diameter 46x15) (10 pieces)

1007

S62736

Fixing clamp

1008

S62721

Screw K3.5x6.5 (15 pieces)

1009

S62727

Feed through (diameter 20) (15 pieces)

1010

S62788

Fixing batten

1012

S62791

Set of screws

1013

S100230

Disconnector bracket

2001

S62777

Exchanger (24 kW)

2001

S100014

Exchanger

2001

S62778

Exchanger (30/39 kW)

2002

S100009

Exchanger inspection hatch

2002

S62779

Exchanger inspection hatch (24 kW)

2002

S62780

Exchanger inspection hatch (30 kW)

2003

S100017

Burner

2003

S62741

Burner (Length 104 mm)

2003

S62740

Burner (Length 165 mm)

2004

S62743

Ignition electrode

2005

S59118

Indicator

2006

S62744

Insulation inspection hatch exchanger

2007

S62768

Flue gas outlet pipe

2008

S62232

Measurement device cap

2009

S62755

Hydraulic pipe (24 kW)

2009

S62576

Hydraulic pipe (30 kW)

2010

S62728

Air vent

2011

S62746

Circulator UPS 15-60

2011

S62747

Circulator UPS 15-70

2012

S62749

Siphon

2013

S58733

Sensor

2014

S59596

Combustion chamber door seal

2015

S62717

Toric gasket 69.5x3 (10 pieces)

2016

S62718

Toric gasket 94x2 (10 pieces)

2017

S62105

Electrode gasket (10x)

2018

S59586

Clip (18) mm) (10 pieces)

2019

S58731

Pump spring (18) mm) (10 pieces)

2020

S59597

Toric gasket 18x2.8 (10 pieces)

2021

S56155

Seal ø 23.8x17.2x2 (20 pieces)

2022

S59578

Screw M5x8 (20 pieces)

2023

S54755

M6 nut (20 pieces)

2024

S62716

Screw TORX M4x10 (15 pieces)

2025

S58730

O-ring

2026

S62733

Pressure gauge (0 to 4 bar

Rep

Code no.

Description

Summary of Contents for MCR 24

Page 1: ...MCR 24 24 28 MI 30 35 MI 34 39 MI Wall hung gas condensation boilers Technical instructions English 08 06 06...

Page 2: ...r 16 Installation 17 1 Water treatment and connections 19 2 Connecting the options 27 3 Connecting the external controls 28 4 Connection of the domestic hot water sensor 31 5 Antifreeze protection 31...

Page 3: ...S 57 rue de la Gare F 67580 MERTZWILLER 33 3 88 80 27 00 33 3 88 80 27 99 Issued by See end of notice Product type Wall hung gas boilers Formats MCR 24 MCR 24 28 MI MCR 30 35 MI MCR 34 39 MI Standard...

Page 4: ...from one gas to another must be carried out by a SERV elite technician Prior to commissioning compare the factory settings of the appliance with the local power supply conditions If the settings have...

Page 5: ...st Boiler package with mounting frame Can be used to make the water gas and water evacuation connections Safety valve disconnector condensates run off Accessories package dependent on the type and len...

Page 6: ...atic bleed valve 2 Smoke nozzle 3 Outlet for measuring combustion hygiene 4 Heat exchanger 5 Air gaz canal 6 Fan air inlet 7 Gas block 8 Display 9 Control panel 10 Pressure gauge 11 Circulating pump 1...

Page 7: ...sses when off T 30 C W 30 30 29 28 Losses through the outer casing 1 1 1 1 0 9 0 5 Water capacity l 1 7 1 8 2 2 2 Weight without water without mounting frame without cladding kg 29 30 5 32 31 5 Specif...

Page 8: ...Boilers Boiler package Forced flue package Horizontal diameter 60 100 Vertical diameter 80 125 MCR 24 HG1 DY847 CX50 MCR 24 28MI HG2 DY847 CX50 MCR 30 35MI HG3 DY847 CX50 MCR 34 39MI HG4 DY847 CX50 B...

Page 9: ...eter 22 mm Flow connection Inside diameter 18 mm Flow connection External diameter 22 mm Gas connection Inside diameter 18 mm Gas connection External diameter 22 mm Combustion air inlet diameter 100 C...

Page 10: ...diameter 22 mm Gas connection Inside diameter 18 mm Gas connection External diameter 22 mm Combustion air inlet 100 mm Combustion air inlet 100 mm Flue gas discharge duct 60 mm Flue gas discharge duct...

Page 11: ...nly All connections on terminal block X1 X2 X4 X5 X6 X7 are in 230 V All connections on terminal block X9 are low voltage only The MCR is a modular boiler whose temperature can be regulated using one...

Page 12: ...the control panel and any disturbances Figures points and or letters may be displayed The symbols located above the function keys indicate their current function Pressing on any key will display the...

Page 13: ...ameters press key l Press the key successively to scroll down the various parameters 2 1 Setting the manual mode Press key several times until the symbol flashes on the menu bar Press the l key The mi...

Page 14: ...displayed Press the key until the OFF symbol is displayed Press the l key to modify the setting The symbol appears production of domestic hot water activated 2 3 Switching off the domestic hot water...

Page 15: ...setting OFF Activation of the comfort setting AUTO Setting dependent on the control unit Factory setting Press the key The symbol flashes Press the key a second time The symbol ECO flashes To confirm...

Page 16: ...andard with an 8 litre expansion tank except MCR34 39 MI Initial pressure of the expansion tank 1 bar The total water volume is determined according to the static height of the installation and for an...

Page 17: ...iance must be carried out in compliance with the statutory texts and rules of the codes of conduct in force particularly Safety regulations against fire and panic in establishments open to the public...

Page 18: ...f the modifed decree dated 05 02 1999 the installation engineer must be in possession of the certificates of compliance approved by the Ministries in charge of construction and gas safety Different fo...

Page 19: ...oncentration of inhibitors after installing them make the necessary modifications to the installation inject water in the installation and perform all maintenance operations conform to these instructi...

Page 20: ...ctly from outside and by an opening in the upper section connected directly with the outside The minimum cross section of the air vent and the openings to be provided must be 100 cm2 clear cross secti...

Page 21: ...ounter current in the chimney or 4 Air flue gas connection by concentric pipes in the boiler room and single flex in the chimney combustive air in counter current in the chimney For Belgium Homologati...

Page 22: ...centric pipes in the boiler room Single pipes in the chimney combustive air in counter current Alu C33 s C33 x 60 100 mm 80 mm rigid 18 23 5 10 12 80 125 mm 80 mm rigid 24 25 5 Concentric pipes in the...

Page 23: ...34 39 MI Horizontal forced flue 60 100 mm type C13x connection Connection to an outside wall or roof outlet Connection C33x Concentric vertical forced flue Connection to a sloping or flat roof A Flue...

Page 24: ...room Single pipes in the chimney combustive air in counter current Discharge via conduit fresh air in counter current Connection C33x C33s For Belgium Concentric pipes in the boiler room Inspection t...

Page 25: ...3 connection Connection to a chimney 80 mm type B23 connection Chimney conduit fitting into a chimney combustive air taken in the premises A Ventilation 100 cm2 minimum B Casing classified M1 C Leak p...

Page 26: ...t containing an omnipolar switch with an opening distance 3 mm Only qualified professionnals may carry out electrical connections always with the power off When connecting to the mains be sure to resp...

Page 27: ...y a 2 wire telephone cable or by an electric cable with a cross section that may be up 2 x 1 5 mm2 ZRefer to the instructions delivered with the package Underfloor heating Easymatic FM 50 Easyradio AD...

Page 28: ...B 3 Connecting the external controls Unscrew the 2 screws Remove the front panel of the cladding Run the cables in the cable clamps Connect the cables to the connectors See drawing opposite Switch of...

Page 29: ...function remove the bridge between terminals 4 and 3 15 Existing bridge To be used when room thermostat is connected 16 Switch Heating To use this function remove the bridge between terminals 4 and 1...

Page 30: ...instructions delivered with the package 3 3 External temperature probe connection Existing bridge Outside sensor connection An outside temperature sensor can be connected to connectors 1 and 2 on term...

Page 31: ...e Cable BUS AD 221 or AD 222 or Thermostat ON OFF MCR boilers must be installed in a frost free environment If the temperature of the central heating water in the boiler falls too much the integrated...

Page 32: ...ot proposed The boiler is equipped with a 3 pin connector without power on terminal block X7 The terminal block can be used to connect to an external gas valve a remote alarm transfer and boiler opera...

Page 33: ...ump switches off after 5 seconds and the heating domestic hot water reversal valve remains in the DHW position With Easymatic or Easyradio When the desired room temperature is not reached the pump ope...

Page 34: ...equipment is properly set for the type of gas used For Belgium Any intervention on the gas valve unit is strictly forbidden 1 1 Final checks before commissioning The first start up is to be performed...

Page 35: ...valve unit in the event of water leakage Do not allow water to get into the boiler Check the condensates discharge siphon it must be filled with clean water up to the mark Check the boiler pump Remove...

Page 36: ...e indicates the operating code Unscrew the flue gas requirement plug Connect the combusted gas analyser Set the boiler to full load Press the key The display shows H 3 The full load is set Measure the...

Page 37: ...the extremity of the probe is in the centre of the smoke evacuation pipe Repeat the high speed test and the low speed test as often as necessary until the correct values are obtained without having to...

Page 38: ...38 MCR 24 24 28 MI 30 35 MI 34 39 MI 08 06 06 300008460 001 B Write down the type of gas on the sticker on the inside of the flap...

Page 39: ...the breakdown for example E10 Correct the error if possible Press key for 2 seconds The boiler restarts After an E1 E2 E7 E10 or E13 error the 3 minute air venting cycle will take place before the boi...

Page 40: ...n 1 Connection 0 P24 Remote alarm Terminal X7 0 Stop OFF Connectors 1 and 2 closed 1 Alarm messages Connectors 1 and 3 closed 2 Operating light Connectors 1 and 3 closed 3 External gas valve Connector...

Page 41: ...C using the key To confirm press the l key To confirm press the l key The symbol P 1 appears If necessary set other parameters by selecting them using the or keys Press key 2 time to return to the cur...

Page 42: ...appears To reinstate the factory settings enter the value Y using the or key To confirm press the l key 2 8 Manual operation Press key several times until the symbol flashes on the menu bar Press the...

Page 43: ...nection 2 10 Antifreeze protection We recommend setting the boiler thermostat to a value lower than 10 C if using a classic installation Define parameter P4 as 1 energy saving mode the heat retention...

Page 44: ...e the following instructions GN G20 to G31 Turn the high speed adjustment screw 2 rotations clockwise or Turn high speed screw clockwise until it is closed Turn high speed adjustment screw 3 5 4 rotat...

Page 45: ...45 08 06 06 300008460 001 B MCR 24 24 28 MI 30 35 MI 34 39 MI 2 1 Adjusting the gas valve See Setting the gas air ratio 110850LTW7H030...

Page 46: ...liance a setting combustion operation must be carried out If the ionisation current is less than 3 check the ignition ionisation electrode as well as the ignition line and the earth connection Only or...

Page 47: ...n it must be filled with clean water up to the mark 1 4 Checking the ignition electrode Wipe off all traces of deposits using an abrasive cloth Check the gap between the electrodes 3 to 4 mm Check the...

Page 48: ...air ratio and if necessary correct it If you still do not manage to reach the values indicated a complete service of the boiler is required See Maintenance Check the flame through the viewport it mus...

Page 49: ...nsor Dismantle the electrode pin and the earth cable Unscrew the 2 screws Remove the unit Clean or replace the ignition electrodes 2 3 Remove the front plate from the combustion chamber Disconnect the...

Page 50: ...2 5 Maintenance of the heat exchanger Check the burner seal Check the insulating component between the front plate and the thermal exchanger A damaged or hardened seal must always be replaced Handle t...

Page 51: ...the power supply to the boiler Cut off the cold water supply and drain the DHW tank Bleed the boiler Unscrew the 2 screws Remove the exchanger Clean the plate heat exchanger with a descaling product...

Page 52: ...the fan connector before reattaching the fan to the thermal exchanger Check that the leak proofing material between the front plate and the thermal exchanger is correctly fitted Top up the installatio...

Page 53: ...iagram BK Black BL Blue BR Brown GN Green GN YW Green Yellow GY Grey RD Red WH White YW Yellow As Flow sensor BP Boiler pump Fs Flow switch CP Pump DV Inverter valve GCV Gas valve HLT Limiting thermos...

Page 54: ...culation Check that the boiler circulating pump is working Insert a screwdriver into the slot in the pump spindle and turn the spindle several times to the right and left Check the wiring If the pump...

Page 55: ...me Ionisation error 3 A or 9 A Check the combustion and the stability of the flame The CO2 level at full load and part load Check the electrical connections particularly the earth Clean or replace the...

Page 56: ...Check the electrical connections E11 Air box temperature too high Air leakage from heat exchanger Check the gasket on the inspection flange Check the leak proof seal Front plate Check that the front d...

Page 57: ...Meaning Description 8 Short circuit Measured start temperature t1 Outlet temperature defined Tset The boiler restarts automatically when the outlet temperature is lower than the defined outlet temper...

Page 58: ...occured for example E12 StX Status code Error code for example St3 Central heating mode nX Number of times that the error occured t1X Flow temperature for example t175 t2X Return temperature for examp...

Page 59: ...s the manufacturer s instructions in particular those relating to the regular maintenance of the unit the rules of the profession The warranty is limited to the exchange or repair of such parts as hav...

Page 60: ...ICHSHOFFEN 33 0 3 88 80 26 50 33 0 3 88 80 26 98 cpr dedietrichthermique com Spare parts MCR 24 24 28 MI 30 35 MI 34 39 MI 08 06 06 300008460 002 B to order a spare part it is imperative to give the c...

Page 61: ...61 08 06 06 300008460 001 B MCR 24 24 28 MI 30 35 MI 34 39 MI MCR 24 28 MI 30 35 MI 34 39 MI...

Page 62: ...2751 Pre mixing chamber hood 2028 S62719 Gasket 2029 S62742 Burner hood 2030 S62729 Bleed valve connection 5 pieces 2031 S62711 Feed through diameter 48x28 5 pieces 2032 S44483 M8 nut 10 pieces 2033 S...

Page 63: ...62723 Fastening plate Exchanger 30 kW 1003 S100071 Assembly mounting Heating body Rep Code no Description 1004 S62709 Leakproof seal 10 m 1005 S62711 Feed through diameter 48x28 5 pieces 1006 S62720 F...

Page 64: ...y plate 4003 S62750 Ignition transformer 4004 S100219 Cable conductor 4005 S62737 Front panel Control panel Rep Code no Description 4006 S62735 Rear Control panel 4007 S62710 Screw K3 5x10 10 pieces 4...

Page 65: ...65 08 06 06 300008460 001 B MCR 24 24 28 MI 30 35 MI 34 39 MI 5034 S100246 Disconnector 5035 S100232 Gasket 8 4x5x1 6 10 pieces 5036 S100231 M10x1x5 nut 10 pieces Rep Code no Description...

Page 66: ...66 MCR 24 24 28 MI 30 35 MI 34 39 MI 08 06 06 300008460 001 B...

Page 67: ...67 08 06 06 300008460 001 B MCR 24 24 28 MI 30 35 MI 34 39 MI...

Page 68: ...RICH HEIZTECHNIK www dedietrich com AT CN Direction des Ventes France 57 rue de la Gare F 67580 MERTZWILLER 33 0 3 88 80 27 00 33 0 3 88 80 27 99 Rheiner Strasse 151 D 48282 EMSDETTEN 49 0 25 72 23 5...

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