DeDietrich 310 ECO Series Installation And Operating Manual Download Page 68

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De Dietrich Gas 310/610 ECO

Fig. 39 Exploded view

Part #

Description

Item

Part #

Description

Item #

boiler casing/frame

Premix burner

S100410

Casing top panel 6 sections

1001

S100441

Valve gas multi block 5 sections

3001

S100411

Casing top panel 7 sections

1001

S100442

Valve gas multi block 6 sections

3001

S100412

Casing top panel 8 sections

1001

S100443

Valve gas multi block 7-8-9 sections

3001

S100413

Casing top panel 9 sections

1001

S100444

Fan 5-6 sections

3002

S100414

Casing top switch instrument end

1001

S100445

Fan 7-8-9 sections

3003

58816

Clamp band 260mmØ

1004

S100348

Burner for 6 sections

3004

58042

Bracket 2"

1005

S100347

Burner 5 sections

3004

S100415

Front and rear casing panel 5 or 6 sections

1006

S100331

Burner 9 sections

3004

S100416

Front and rear casing panel 7,8 and 9 sections

1006

S100329

Burner 7 sections

3004

S100417

Front and rear casing panel (grey)

1007

S100330

Burner 8 sections

3004

S100418

End casing panel right hand connections

1008

S54593

Venturi assembly 7-8-9 sections

3005

S100419

Casing panel handle

1009

S54591

Venturi assembly 5 sections

3006

S100420

Set casing plinths 5 and 6 sections

1010

S54592

Venturi assembly 6 sections

3006

S100421

Set casing plinths 7,8 and 9 sections

1010

S54512

Venturi connecting piece Ø 130 mm

3007

S100422

End casing panel

1011

S54513

Venturi connecting piece Ø 100 mm

3008

S100423

Set casing corner posts (set of 4)

1012

S54517

Air intake damper Ø100 mm with o-rings

3009

49427

Documentation holder A4

1013

S100487

Gas filter Dungs 1½"

3010

57800

Main wheels with axle

1014

S58602

Air pressure switch - Vent safety - Huba 4030

3046

54565

Base frame 5 and 6 sections

1015

S59202

Tube gas test point

3012

54568

Base Frame 7,8 and 9 sections

1015

S59203

Tube air pressure test point

3013

58606

Caster wheel (steering)

1016

S59204

Tube pressure compensation test point

3014

S14254

Sheet-metal screw 4, 2x9, 5 (20 pc's.)

1017

S59738

Air box 7, 8 and 9 sections

3015

S100424

Front and rear casing panel 5 and 6 secs.

1019

S44483

Nut M 8 (10 pc’s.)

3016

S100425

Front & rear casing panel 7,8 & 9 sections (red)

1019

S14254

Sheet-metal screw 4, 2x9, 5 (20 pc’s.)

3017

S100426

Front and rear casing panel

1020

22222

Bolt M6x16

3018

S100427

Casing support 5 & 6 sec.

1021

S100446

Air box

3019

S100428

Casing support 7, 8, 9 sec.

1021

S100447

Pipe gas supply 5 sections

3020

S100429

Casing support central

1022

S100448

Pipe gas supply 6 sections

3020

Boiler heat exchanger

S100449

Pipe gas supply 7 sections

3020

S54500

Section right hand end

2001

S100450

Pipe gas supply 8 sections

3020

S57699

Section intermediate

2002

S100451

Pipe gas supply 9 sections

3020

S54501

Section left hand end

2003

19609

Pressure test nipple ¼"

3021

S44698

Temp. sensor; return, block & flow NTC 12K/007

2004

40139

Adapter 1.½"x1.¼"

3022

S54583

Electrode ignition/ionization

2005

1035

Pressure test nipple 1/8"

3023

S45004

Glass inspection c/w gasket & 2 screws

2006

54549

Adapter 1.¼"

3024

S100430

Flange blank return

2007

51163

Gasket Ø 56x42x2

3025

S100431

Flange blank flow

2008

S100452

Gas supply pipe 1.¼" w/ Test firing valve

3026

54525

O-ring Ø 107 x 5mm

2009

58603

Gasket for venturi

3027

54526

O- ring 81,92 x 5,33

2010

S15524

Bolt M 8 x 16 (10 pc’s.)

3028

54584

Cover plate

2011

S59818

Nut M 8 (20 pc’s.)

3029

54563

Gasket for electrode ignition/ionization

2012

54595

O-ring Ø 142 x 3,5mm

3030

S100433

Supply pipe

2015

54528

Gasket for cover plate/burner

3031

183

Bolt M12X40mm

2016

58622

Bracket plug cap guard

3032

42859

Nut flange M12

2017

42859

Nut flange M12

3033

62346

Dowel Ø12 x 20

2018

141

Bolt M8 x 30mm

3034

54527

Stud M12

2019

S100453

Mixing chamber/pipe

3035

S54822

Mounting frame (for Inspection glass)

2020

S59651

Gasket fan 7,8 and 9 sections

3036

54528

Gasket for cover plate/burner

2021

59652

O-ring Ø 180 x 3,5mm

3037

S54585

Cover plate for burner hole

2022

59638

Bolt flange M5 X 20

3038

25696

Silicone sealant rtv 106

2023

58609

O-ring Ø 111 x 4mm

3039

58462

Dowel burner

2024

S46687

Nut flange M5 (10 pc’s.)

3040

S100434

Return pipe

2025

54580

Fan adapter plate 5-6 sections

3041

30629

Sealing silicone red 7 mm (per meter)

2027

S59650

Gasket fan

3042

Summary of Contents for 310 ECO Series

Page 1: ...oiler Fully modulating 5 1 20 100 Cast Aluminum sectional boiler Reduced emissions Compact and light weight design Broad output range from 63 to 3 911 MBH 18 to 1 146 kW or more in cascade installations Gas 310 ECO 5 models Gas 610 ECO 4 models Gas 310 ECO Gas 610 ECO Boiler may not be exactly as illustrated Boiler may not be exactly as illustrated ...

Page 2: ...proper installation adjustment alteration service or maintenance can cause injury loss of life or property damage Refer to this manual for assistance or additional information or consult a qualified installer service agency or the gas supplier In the interest of customers DE DIETRICH DDR Americas are continuously endeavoring to make improvements in product quality All the specifications stated in ...

Page 3: ... 1 General 21 7 3 2 Boiler venting types 21 7 3 3 Venting options 21 7 3 4 Vent terminations 21 7 3 5 Combustion air supply requirements 21 7 3 6 Chimney CLV systems 22 7 3 7 Direct vent or DVS systems 23 7 3 8 Co venting precautions 24 7 3 9 Vent terminations precautions 25 7 4 INSTALLATION DETAILS 26 7 4 1 Water pressure 26 7 4 2 Condensate discharge 26 7 4 3 Water treatment 26 7 4 4 Safety reli...

Page 4: ...er 40 8 8 5 Return butterfly valve 40 8 9 Other connections 40 8 9 1 Boiler or system pump control 40 8 9 2 Frost protection 40 9 GAS INSTALLATION INSTRUCTIONS 41 9 1 Gas connection 41 9 2 Gas pressure 41 9 3 Gas air ratio control 41 10 COMMISSIONING 42 10 1 Initial lighting 42 10 2 Shutdown 45 11 CONTROL AND SAFETY EQUIPMENT 46 11 1 General 46 11 1 1 Instrument panel layout 46 11 1 2 LED indicato...

Page 5: ...Failure mode 58 14 3 Cooling mode 58 14 4 Summary of failure lock out 59 Table 23 Failure codes 60 15 INSPECTION AND MAINTENANCE 61 15 1 General 61 15 2 Cooling mode 61 15 3 Annual inspection 61 15 4 Maintenance 62 15 4 1 Inspection of air box and dirt trap 62 15 4 2 Non return valve cleaning 62 15 4 3 Venturi cleaning 62 15 4 4 Fan cleaning 63 15 4 5 Heat exchanger cleaning 63 15 4 6 Burner assem...

Page 6: ...product warranty the startup report and any service records will be requested when any warranty claims are made If you have any questions or require more information about specific subjects relating to this boiler or its installation please do not hesitate to contact us The data published in these technical instructions is based on the latest information at date of publication and may be subject t...

Page 7: ...ng Immediately call your gas supplier from another building If the gas suppler is not available call 9 1 1 Warning Follow the gas supplier s instructions Be aware of flue gas leaks If you smell flue gas fumes turn the boiler off and contact your service company or installer Beware of water leaks If you see water leaking from the boiler turn it off and contact your service company or installer Work...

Page 8: ...ion at working pressures not exceeding 100 psig 6 8 bar It must be installed on a fully pumped system and is designed for operating pressures between 11 100 psig 0 8 6 8 bar The boiler is to be used for indoor installations only The pre mix gas burner NG only with its gas air ratio control system ensures clean trouble free operation with higher than average efficiencies of up to 99 9 in the conden...

Page 9: ...ensate drain hose 14 Flue gas discharge 15 Inspection hatch 16 Not available 10 vent ø system only 17 Heat exchanger 18 Flow temperature sensor 19 Air supply 20 Not available 10 vent ø system only 21 Air supply grille 22 Gas connection 23 Inspection glass 24 Ignition Ionization electrode 25 Return temperature sensor 26 Boiler block temperature sensor 27 Frame 28 Steering castor 29 Fan 30 Venturi 3...

Page 10: ... combined ignition ionization probe which monitors the state of the flame Should the flame be unstable or not ignite within the pre set safety time cycle the controls will after 5 attempts shut the boiler down requiring manual intervention to reset the boiler The digital display will indicate a flashing fault code confirming the reason for the failure The products of combustion in the form of hot ...

Page 11: ... mm inch 310 5 1590 62 39 64 1312 51 21 32 1600 63 1463 57 39 64 1004 39 17 32 310 6 1590 62 39 64 1312 51 21 32 1600 63 1463 57 39 64 901 35 31 64 310 7 1980 45 61 64 1702 67 1990 78 11 32 1853 72 61 64 1110 43 45 64 310 8 1980 45 61 64 1702 67 1990 78 11 32 1853 72 61 64 1007 39 21 32 310 9 1980 45 61 64 1702 67 1990 78 11 32 1853 72 61 64 904 35 19 32 Unit C E F G H I J K L M Inch 23 15 32 23 5...

Page 12: ...11 De Dietrich Gas 310 610 ECO 4 2 GAS 610 ECO TECHNICAL DATA Top plan view P Q R A C D B E F Back view Service side view G H I J K L M N O Heat exchanger cleanout hatch Front view ...

Page 13: ...mm In mm In mm In mm In mm In mm Gas610 6 22 2 564 6 7 170 57 6 1463 35 5 901 26 8 680 55 2 1402 Gas610 7 72 95 1853 43 7 1110 Gas610 8 39 6 1007 Gas610 9 35 6 904 Model M N O P Q R In mm In mm In mm In mm In mm In mm Gas610 6 57 4 1457 51 7 1312 63 1600 9 8 250 28 7 730 28 9 734 Gas610 7 67 1702 78 3 1990 Gas610 8 Gas610 9 Gas 610 ECO Series Service Combustible Clearances MIN A B C In mm In mm In...

Page 14: ... B C D E F2 Square In mm In mm In mm In mm In mm In mm Gas610 6 57 08 1450 24 8 630 4 1 104 1590 62 6 44 1118 2 16 55 Gas610 7 1980 78 59 4 1508 Gas610 8 Gas610 9 Gas 610 ECO Series Service Combustible Clearances MIN A B C D In mm In mm In mm In mm 12 300 12 300 31 5 800 24 600 A D C A C ...

Page 15: ...0 mbar 12 5 374 12 2 364 13 3 397 12 2 364 13 8 413 Water Resistance 36 F ΔT 20 C ΔT mbar Ft H20 mbar 3 78 113 3 68 110 4 01 120 3 68 110 4 18 125 Main Supply V P H Power Consumption watt 24 370 24 380 24 470 24 610 24 840 IP IEC NEMA Protection Rating Gas Vent Category Types Combustion Air Temperature F C Installation Altitude Ft m Dry Boiler Weight lb kg 794 360 904 410 1 014 460 1 124 510 1 235...

Page 16: ...15 De Dietrich Gas 310 610 ECO Table 02 Technical data Flue gas temperature at 104 86 0 F 126 52 CSA Certified Avg 97 4 potential up to 99 9 95 3 potential up to 99 9 3 5 14 8 5 35 ...

Page 17: ...fire tested Distinctive powder coasted enamel steel removable casing Rigid steel boiler frame with castors for easy maneuvering into boiler s final position Certified by CSA for USA and Canadian markets High combustion and thermal efficiencies No proven water flow requirements No minimum temperature requirements Manufactured in an ISO 9001 certified facility Max 100 psi System water operating pres...

Page 18: ... enamel steel removable casing Rigid steel boiler frame with castors for easy maneuvering into boiler s final position Certified by CSA for USA and Canadian markets High combustion and thermal efficiencies No proven water flow requirements No minimum temperature requirements Manufactured in an ISO 9001 certified facility Max 100 psi System water operating pressure ASME safety relief valve x2 Press...

Page 19: ...rich Gas 310 610 ECO is a CSA certified boiler and must not be modified or installed in any way contrary to these Installation and maintenance Instructions Manufacturer s Instructions must NOT be taken as overriding statutory obligations 7 2 Delivery and installation The De Dietrich Gas 310 610 ECO is supplied fully assembled plastic wrapped and crated on a pallet The overall dimensions of the cra...

Page 20: ...ith screws Roll the boiler on its wheels off the pallet and down the ramp to the boiler room floor WARNING Use retaining straps to control the rate of travel Do Not stand in front of the boiler Maneuver the boiler to required final position The pallet lid can be used as a rocking ramp to convey the boiler over obstacles such as thresholds etc The wheels are designed for transport purposes only and...

Page 21: ...es 495mm IMPORTANT Always transport the boiler in the protective packaging whenever possible Remove fixing strips packaging lid and all other packaging leaving the boiler on the pallet Place the packaging lid on the end of the pallet creating a ramp secure with screws Roll the boiler on its wheels off the pallet and down the ramp to the boiler room floor WARNING Use retaining straps to control the...

Page 22: ...lean fresh and adequate supply of combustion air failure to provide sufficient combustion air supply will result in carbon monoxide CO production that could lead to personal injury including loss of life or damage to boiler or property Do not store any flammable liquids fluids vapors or materials near the vicinity of the boiler Special attention Quality of combustion air Dust fumes corrosive eleme...

Page 23: ...ed in accordance to national codes CSA B149 ANSI Z223 1 or local codes having jurisdiction more than one source may be required Conventional Chimney with direct vent sealed combustion air applications This venting system uses either a co axle or single vent for both the air intake and the flue gas exhaust the boiler room does not require a combustion air source as all air for combustion is taken f...

Page 24: ...ons The flue gas condensation may require neutralization prior to entering the drain Warning An improperly sealed venting system could result in carbon monoxide poisoning ensure adequate support and fastening of the system Ensure venting can safely exhaust all flue gases to the outside in a safe and effective manner Do not puncture or drill holes in any portion of the venting the boiler is equippe...

Page 25: ...ce The boiler must have a vent damper installed when in a vent category IV positive pressure installation co venting with other appliances a Any used opening of the vent system be properly sealed b Visually inspect the venting system for proper size and horizontal pitch determine there is no blockage restriction leakage corrosion and other deficiencies could cause an unsafe condition c Close all b...

Page 26: ...e less than 2 inches 50mm from the wall surface or more than 10 inches 254mm from the of terminal to the wall For high traffic locations the vent terminal shall be guarded According to the national gas codes CSA B149 ANSI Z223 1 NFPA 54 a vent shall not terminate Directly above a paved walkway or driveway which serves two or more buildings or where the flue gas condensation or vapor could create a...

Page 27: ... supply piping without any obstructions The relief must be not smaller than and no larger than NPS 4 the pressure shall not exceed 10 above the MAWP and must be of an automatic reset type The valve opening must be routed away so that no injury to persons or damage to property will result Consult local codes When replacing this safety relief valve the relief capacity must be than the minimum relief...

Page 28: ...ain Water must be analyzed to ensure acceptable quality If make water consumption is unknown the system should be checked at regular intervals consult water specialists for assistance See section 7 4 3 When the boiler is connected to a refrigeration system it must be installed so the chilled medium is piped in parallel with the boiler with appropriate valve to present the chilled medium from enter...

Page 29: ...PA 70 8 2 Electrical specifications 8 2 1 Main power voltage Each boiler requires a 120V 1 60 Hz supply rated at 10 amps with line neutral earth The boiler is sensitive to line neutral and therefore has a facility to ensure that line and neutral are correctly connected If line and neutral are crossed the display will flash alternately 8 2 2 Control unit Manufacturer Honeywell Type MCBA 1458 D Main...

Page 30: ... setting the boiler starts modulating down so that it remains operational as long as possible When the T 72 F 40 C the boiler will be at part load If the T continues to rise and reaches 81 F 45 C the boiler shuts down note a boiler failure see section 12 4 and will restart when conditions return to normal If the boiler is fired dry it will go to high temperature lock out failure code 8 2 7 High li...

Page 31: ...l box cover is removed The left hand terminal strip X29 is used for 24 volt connections The right hand terminal strip X27 is used for 120 volt connections All external connections are made on these terminal strips see fig 17 The various connections options are detailed in the following sections Fig 17 Terminal strip ...

Page 32: ...31 De Dietrich Gas 310 610 ECO 8 4 Wiring Diagram fig 18 wiring diagram Fb 12AT ...

Page 33: ...32 De Dietrich Gas 310 610 ECO 8 4 Wiring Diagram Continued ...

Page 34: ...f safety devices first then reset of the boiler control Code display display Optional flow switch application Start interlock only Optional LWCO Safety Hi limit can be wired on X29 5 X29 6 if power failures are common note boiler display will not display fault code but a shut off code Flashing dots Earth ground 1 Main fuse disconnect 2 Service switch 3 External Hi Limit 4 External LWCO device 5 Ex...

Page 35: ... control 0 10 volts where the heat output or temperature is controlled by a 0 10 volt signal On off control one volt free relay where the heat output modulates between the minimum and maximum value on the basis of the flow temperature set in the boiler High low control two volt free relays where the boiler is controlled by means of a 2 stage controller at part load and full load Fig 20 output cont...

Page 36: ...dulating multiple boiler controller An optimizing weather compensated boiler control can be used to control multiple boilers The compensator can regulate the boiler output against outside weather conditions and provide time and temperature control over the DHW The multiple boiler control compensator is mounted centralized and can be interfaced to communicate with the boiler s control the supplied ...

Page 37: ...tes between the minimum and the maximum value based on the set flow temperature terminal connections X29 9 and X29 10 Set the value of the boiler control operation parameter to on off 8 6 5 High low control 2 stage 2 x no volt switched pairs The heat output is controlled between part load 50 adjustable and full load by means of a two stage controller terminal connection X29 9 and X29 10 low fire X...

Page 38: ... each boiler module is supplied with a shut down interlock carrying a 24 Volt AC boiler control circuit This input does not require manual re set Any external devices required to stop the boiler e g limit switches of throttling valves minimum gas pressure switches should be wired in series and connected to terminals X29 5 and X29 6 breaking the circuit will activate the safety interlock and put th...

Page 39: ... Boiler Lockout or loss of power connect remote alarm signal between X27 3 Common and X27 2 Normally Closed For Power ON indication status Normal boiler status connect remote signal between X27 3 Common and X27 1 Normally Open See Section 8 7 6 for operating signal indication Actual boiler firing signal connections 8 7 8 External gas valve control As standard the boiler is supplied with an interna...

Page 40: ...comes too low The minimum gas pressure switch must be connected to the 3 pin female plug X21 on the 24 volt terminal strip The connection is automatically detected by the boiler control 8 8 4 Flue gas damper Gas 310 optional Gas 610 standard In a positive pressure vent application an optional flue gas damper can be installed to avoid hot flue gases to pass through the boiler during the off periods...

Page 41: ...0 610 ECO a power supply 120V max 2amps to run or control an external boiler or system pump The boiler control will run the pump once every 24hrs when the boiler not enabled to prevent sticking and will also provide a run on period at the end of a heat demand parameter see section 13 1 2 Important Phase Neutral sensitive Important For multiple boiler installations the system pump cannot use this p...

Page 42: ...ed with a min of 3 5 w c 8 mbar at the gas filter inlet test point when the boiler is operating at max output Pressures below this level can result in lockouts for multi gas appliance installations this minimum pressure must be available at each boiler with all gas appliances firing on max output Gas system pressure checks The boiler main gas cocks shutoff valve and piping must be isolated from an...

Page 43: ...r gas leaks 12 Switch on the main power supply to the boiler 13 Switch on the boiler operating switch 14 Switch on the heating pump and check the installation position and direction of rotation 15 Adjust the boiler controls to heat demand 16 The boiler should start with the run sequence indicated in the code display Boiler neutral position No heat demand Butterfly valve open if connected Wait for ...

Page 44: ...the flame must not blow off d Run the boiler at part load forced mode low by pressing the and keys simultaneously for 2 seconds The letter will now appear on the display e When part load is reached measure P gas at measuring point P on the underside of the gas valve multiblock and at measuring point PL on the Venturi and compare to the value in table 7 adjust if necessary using the adjustment scre...

Page 45: ... demand see section 8 6 5 on the safety boundaries the boiler is going to modulate c On off operation the boiler modulates between minimal and maximum output on the basis of the flow temperature pre set on the boiler see section 8 6 4 d Important The boiler will initially operate in forces part load The factory setting for forced part load time is 30 seconds This setting is correct if modulating c...

Page 46: ...0 610 ECO 10 2 Shutdown 1 Switch off the on off switch of the boiler With this a possible boiler control will be without power 2 Close the main shutoff valve Important No frost protection when the boiler power is turned off ...

Page 47: ... keys and read out windows a h are explained below A summary of the key functions can be found in section 16 1 which is helpful when stepping through the modes a Code window Display at user level operating mode only digit or letter setting mode digit or letter with steady dot read out mode digit or letter with flashing dot shut off mode letter forced mode HIGH letter forced mode L W letter failure...

Page 48: ...rnal control The green LED above the key stays on continuously to indicates a manual heat demand central heating bridged internally When the key is pressed for 2 seconds again the boiler will return to automatic central heating operation green LED off During manual operation the flow temperature cannot exceed its pre set maximum value This is to protect the boiler and the system Parameters can be ...

Page 49: ...ion the code display show the status position in cycle of the boiler with the display indicating the actual flow temperature The digits or letters in the code display have the following meaning Code Description Standby there is no heat demand Pre ventilation pre purge time 30 seconds post purge time 3 seconds Trial for ignition Burner firing and flame detected N a Waiting mode startup check air se...

Page 50: ...re diff sensor closed Switch on temperature for central heating operation F C Demanded value Requested permitted by boiler control output is displayed irrespective of boiler control setting 100 demanded value Calculated output 100 actual value Analog input voltage volts 100 actual value Control strategy see section 12 3 Current water pressure 10 bar units then x 14 5 for psi units with pressure se...

Page 51: ...hut off and corresponding operating codes can be reviewed With PC version Recom PC and higher or PDA the last six shut off s can be reviewed During this particular mode both dots in the window flash The last shut off and corresponding operating codes and applicable temperatures are stored in the micro processor memory and can be read out in shut off mode as follows Enter the service code see secti...

Page 52: ...ppears in the code window The counter has 6 digits The code window displays the following in sequence Code figure 1 st 2nd 3 rd with a value in the window Example Code window window value 210000 5700 53 This means 215753 Hours run Hours run Number of successful ignitions attempts Total number of start attempts Number of shunt pump operating hours Number of shunt pump starts Number of internal rese...

Page 53: ...ge and explanation if necessary Factory setting Flow temperature set point see section 13 1 1 68 194 F or 20 90 C Boiler operating limit set point also maximum setting if external control is used 176 F 80 C Pump post purge setting see section 13 1 2 Pump post purge 10 seconds pump run on in minutes Pump operates continuously Boiler control setting see section 13 1 3 Control mode modulating on off ...

Page 54: ... 2 Setting mode service level only for the qualified service engineer To prevent accidental unauthorized access by non qualified persons the control system requires an input code to gain access to the second level of boiler control Press the and keys simultaneously and hold The code display now shows a letter with a random number in the display While holding both keys pressed set the display to us...

Page 55: ...l see section 13 2 6 x 100 rpm 310 610 5 3500 rpm a Signal Low fire if value less than 310 610 6 3900 rpm 310 610 7 2500 rpm b Signal High fire if value is greater than 310 610 8 2700 rpm 310 610 9 3500 rpm Shunt pump post purge time see section 13 2 7 1 seconds t minutes continuous ΔT from control stop point start point see section 13 2 10 9 54 F 5 30 C 50 of or 10 C Maximum flue gas temperature ...

Page 56: ...trol stop end of a heat demand to prevent cycling taking place When after this delay time flow temperature lies less than 9 F 5 C above return temperature check n water flow the boiler will restart 13 2 5 Required flow temperature at 0 10 volts and Start point 0 volts parameter adjustable between 58 and 122 F 50 C and 50 C This value sets the required flow temperature at 0 volt signal input End po...

Page 57: ...n begins The boiler starts to modulate at the set point and will be at minimum output if the T continues to rise to 72 F 40 C At 81 F 45 C T the boiler will shut off shut off code For installations with low flow rates the starting point modulation can be brought forward i e 27 F 15 C closer matching boiler output to system demand In systems with small volume flows the modulation start point can be...

Page 58: ...he boiler is in High Low control mode parameter 21 13 2 15 Boiler type This code appears only when replacing the control unit After placing the new control unit code appears automatically in the display The value must be changed in to the correct value for your boiler type see mounting instructions of the service unit Options Value Sum Boiler water pressure sensor off 0 Boiler water pressure senso...

Page 59: ...In the above example The return temperature sensor is defective failure code during burning operating code with a flow temperature of 127 F 53 C return temperature of 104 F 40 C and a flue gas temperature of 136 F 58 C The boiler block temperature was 145 F 63 C the ionization level was 1 8 A and the boiler had 118026 operating hours and a speed of 2667 rpm The time elapsed after the failure can o...

Page 60: ...onnected or not fitted The gas valve is not defective burned out or short circuit Fuse 3 blown Replace fuse 3 Permanently locked out Mains voltage has been disconnected during lock out solution reset original lock out usually return automatically No processor handshake or external influences Fault in control unit or fault due to EMC influences Reset first if fault persists replace control unit If ...

Page 61: ...erential sensor not opening Check Is the air pressure differential sensor defective Has the wiring been short circuited Excessive positive chimney pressure Weak flame ionization signal during operation after 4 restarts during 1 heat demand Flue gas recirculation check venting heat exchanger for leaks Insufficient air flow due to blockage Check the boiler settings Boiler block temperature too high ...

Page 62: ...stics full and part load see section 10 1 Note When checking combustion the CO2 levels should be in accordance with the values in table 11 with a tolerance of 0 5 If the levels are outside these tolerances adjustment to the levels must be made in accordance with a tolerance of 0 15 Check flue gas temperature If flue gas temperature is more than 86 F 30 C above the boiler return water temperature t...

Page 63: ...h to avoid damaging components Solvents must not be used Remove front and end casing panels lift casing panel slightly upwards and tilt toward you lift again clear of the bottom rail 15 4 1 Inspection of air box and dirt trap The air box has a dirt trap on the inlet side Check this for dirt leaves etc If the boiler is closed the clamping strip under the casing must be removed first check using a m...

Page 64: ...boiler casing to avoid contaminating the electrical controls Compressed air can also be used but care should be taken to ensure disturbed dust etc does not contaminate the rest of the boiler and controls Replace the heat exchange plate after cleaning and retighten the retaining nuts 15 4 6 Cleaning the burner assembly Clean the burner assembly by using compressed air only between 30 70 psi 2 5 bar...

Page 65: ...ion Ionization electrode Remove safety bracket from the heat exchanger then remove the two retaining screws on the electrode assembly remove assembly and examine for wear and dirt clean and re gap electrode 1 8 3mm re fit if in good condition replace gasket if necessary Replace electrode assembly if necessary then discard screws and gasket and fit replacement assembly c w new gasket and screws mak...

Page 66: ...ng existing clips and ties were possible to ensure that they do not touch any hot parts of the boiler Important Ensure that wires do not come into contact with hot boiler parts Commission boiler in accordance with section 10 1 complete site report and or boiler log book if present Other items requiring periodic checks At least once a year the must be checked cleaned or replaced as required Venting...

Page 67: ...66 De Dietrich Gas 310 610 ECO 15 5 Exploded view and spare parts list right hand version shown ...

Page 68: ...4 Front and rear casing panel 5 and 6 secs 1019 S44483 Nut M 8 10 pc s 3016 S100425 Front rear casing panel 7 8 9 sections red 1019 S14254 Sheet metal screw 4 2x9 5 20 pc s 3017 S100426 Front and rear casing panel 1020 22222 Bolt M6x16 3018 S100427 Casing support 5 6 sec 1021 S100446 Air box 3019 S100428 Casing support 7 8 9 sec 1021 S100447 Pipe gas supply 5 sections 3020 S100429 Casing support c...

Page 69: ...S54536 Return water distribution pipe 8 sections 2033 S100459 Top cover instrument panel 4008 S54537 Return water distribution pipe 9 sections 2033 S59238 Cover plate compensating controller 4009 22222 Bolt M6x16 2034 S100419 Casing panel handle 4010 S54548 Flue gas connection Ø 250mm 2035 57350 Screw control cover m4 x10 4011 S49297 Sensor flue gas temperature NTC 12kohm 3 2036 S57010 Spacer 10 p...

Page 70: ...69 De Dietrich Gas 310 610 ECO 16 ADDENDICES ...

Page 71: ...70 De Dietrich Gas 310 610 ECO 16 1 Control menu Fig 40 Control menu flow chart ...

Page 72: ...71 De Dietrich Gas 310 610 ECO 16 2 Shut off codes ...

Page 73: ...72 De Dietrich Gas 310 610 ECO 16 2 Shut off codes Continued Table 25 Shut off codes ...

Page 74: ...Control Safety Checklist Head Setting Index Fuel Pressure In w c or psig Chamber Press In w c mbar Breech Pressure In w c mbar Input Rate Gph or MBtu h Min Min Rate Max Rate Smoke VOC PM10 HGP switch LGP switch LWCO Safety Hi Limit Min Firing Operating Limit Hi Limit Vent Safety Device LWCO Device Vent Device Aux Safety Item Set Point Tested Note Item Capacity Mbtu h Size Size Min Rate Max Rate An...

Page 75: ... other combustible materials or flammable liquids are stored near the boiler Monthly Check for water on the floor around relief vent and other parts and piping of the water system Monthly Check operating limits for correct operation Semi annually Ensure neutralization system is working Semi annually Check exhaust terminals for ice snow or debris buildup Monthly Check and test pressure relief safet...

Page 76: ...DuPage Avenue Lombard Illinois 60148 USA Tel 630 953 2374 Fax 630 953 2376 1090 Fountain Street North Unit 10 Cambridge Ontario N3E 1A3 Canada Tel 519 650 0420 Fax 519 650 1709 Toll Free 800 943 6275 www dedietrichboilers com info dedietrichboilers com ...

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