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10. Technical 

Information 

 

 

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Product Identification Number 

CE ~  0085AR0057 

Appliance Category 

2ELL3B/P 

Dimensions (H x W x D) 

950mm x 458mm x 355mm 

Heating Circuit Connections 

22mm 

Gas Connection 

15mm 

Condense Drain Connection 

¾ BSP 

Air Supply/Flue Connections 

125/80mm 

 

 

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Models H, HS and S 

 

EC16 

EC23 

EC31 

EC38 

Maximum Rated Input  

kW 

15 

22 

28 

36 

Nominal Output To Heating 80/60

0

C  kW  14.3 21.4 28.4 35.1 

Minimum Output To Heating 80/60

0

kW 2.5 3.1 4.5 6.0 

Nominal Output To Heating 50/30

0

C  kW  15.8 23.1 30.7 38.0 

Minimum Output To Heating 50/30

0

kW 3.1 3.6 5.1 6.8 

CO

%

  

content at max/min load  

CO

9 9 9 9 

Dew Point of Flue Gases 

0

0

C 52 52 52 52 

Flue Gas Temp @ 80/60

0

C (Amb 20

0

C) 0

0

C 75 75 75 75 

* Maximum Flue Resistance 

Pa 

100 

100 

100 

100 

pH value of condensate water 

PH 

4-5.5 

4-5.5 

4-5.5 

4-5.5 

Pump Pressure @ 30kW and 20K Bar 

 

0.2 

0.15 

0.1 

0.075 

Maximum Flow Temperature 

0

0

C 85 85 85 85 

Min/Max filling pressure 

bar 

0.5 - 3.0  0.5 - 3.0  0.5 - 3.0  0.5 –3.0 

**Efficiency @ 75/60

0

%  104 104 104 104 

**Efficiency @ 40/30

0

108.5 108.5 108.5 108.5 

 

At this resistance, the load will remain within the limits indicated on the data plate.   

 

** 

European calculation methods are based on efficiency of 100% in units that do not 

condense the flue gases, and of 110% in condensing units.

 

 

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Model 

 

EC16 EC23 EC31 EC38 

Heating Water Capacity 

litres 

1.5 

1.8 

2.1 

2.4 

Heating Water Coil Capacity (S models) 

Litres 

1.3 

1.5 

10 

Weight (empty)  

Kg 

35 

37 

39 

50 

 

 

                      

EC 16~38 Installation Manual page

 

11

 

Summary of Contents for EC 38kW

Page 1: ...riable Controlled Output VCO Solar Compatible jjjjj Gas Condensing Boilers EC 16 23 31 and 38kW I IN NS ST TA AL LL LA AT TI IO ON N U US SE ER R I IN NS ST TR RU UC CT TI IO ON NS S PLEASE LEAVE WITH...

Page 2: ...MAY_2001_All_Manuals 1538INST DOC 30 June 2002 eco hometec has a policy of continuous improvement and reserves the right to change any specification without notice Your statutory rights are not affect...

Page 3: ...vailable Flue Components 20 17 3 Pluming 21 17 4 Condensate in the Flue 21 17 5 Flueing Options 21 17 6 Installing a Concentric Flue 21 17 7 Vertical flue Installations 23 17 8 Modular Installations 2...

Page 4: ...Figure 3 Top View Dimensions mm 13 Figure 4 Pump Head Height 13 Figure 5 Air Fan Curve 13 Figure 6 Gas Valve 13 Figure 7 Pipe work Layouts 16 Figure 8 Minimum Clearances 17 Figure 9 Removing the Casin...

Page 5: ...e that any necessary personal protective clothing or equipment is worn appropriate to parts that could be considered as being hazardous to health and Safety This appliance may contain some of the item...

Page 6: ...Energy saving modulating burner Energy saving modulating pump Energy saving modulating system water temperature Plug in components for fast and cost effective servicing Corrosion free PPS plastic flu...

Page 7: ...nd 38kW range of boilers Please read this manual thoroughly before commencing installation The installation must be carried out in accordance with the manual otherwise the warranty will be void Use on...

Page 8: ...ommissioning Certificate The warranty is only recognised if a completed commissioning certificate operational test form is at hand send in by fax or post as well as an acknowledgement by eco hometec u...

Page 9: ...pump 8 1 Variable Controlled Output Unlike most boilers that simply switch on and off the boiler incorporates an integral compensating and modulating digital controller that automatically adjusts the...

Page 10: ...for under floor heating or a fixed variable temperature output for connection to radiators Dsspite the low boiler flow temperatures feature ALL low temperature under floor installations require an ob...

Page 11: ...at max min load CO2 9 9 9 9 Dew Point of Flue Gases 00 C 52 52 52 52 Flue Gas Temp 80 600 C Amb 200 C 00 C 75 75 75 75 Maximum Flue Resistance Pa 100 100 100 100 pH value of condensate water PH 4 5 5...

Page 12: ...13 4 17 2 22 Maximum Tap Water Pressure bar 10 10 10 10 T Ta ab bl le e 5 5 C Co on nn ne ec ct ti io on n V Va al lu ue es s Min Max Gas Pressure mbar 15 50 15 50 15 50 15 50 Minimum Input Rate Natu...

Page 13: ...t of the Central Heating Circuit Figure 4 Pump Head Height Volume of Water in Cu Mts ph m3 h Grundfoss 240 Volt 50Hz Wattage 59 115 W 11 2 Air Fan Details Type EBM GIG128 13 13 Figure 5 Air Fan Curve...

Page 14: ...ive boilers can be connected eco hometec PRO1 wall mounted pump control box to control one or more pumps in serial with the built in boiler pump eco hometec MR 03 mixing valve control unit For more de...

Page 15: ...ge these hot gases are used to preheat both the return water to the boiler and the incoming combustion air thus ensuring that all of the available energy is used as efficiently as possible 14 2 Variab...

Page 16: ...material and are capable of supporting the weight of the boiler and any other ancillary equipment Where installation will be in an unusual location special procedures may be necessary Detailed guidan...

Page 17: ...ay be required to install the appliance When unpacking the unit for the first time take adequate precautions to protect the surrounding floor coverings The boilers are factory tested and contain resid...

Page 18: ...all measured at the base of the panel Failure to observe this will result in condensate becoming trapped inside the heat exchanger Component failures as a result of incorrect installation will not be...

Page 19: ...s si is st ta an nc ce e COMPONENT RESISTANCE 80 125 Concentric 500 mm Fanned Flue Kit 80 125 1000mm length PPS White Galvanised Concentric Flue 80 125 500mm length PPS White Galvanised Concentric Flu...

Page 20: ...Concentric 500 mm Fanned Flue Kit 80 125 1000mm length PPS White Galvanised Concentric Flue 80 125 500mm length PPS White Galvanised Concentric Flue 80 125 PPS White Galvanised 90 degree elbow 80 125...

Page 21: ...he terminal a suitable guard MUST be fitted Terminal guards are available from eco hometec 17 4 Condensate in the Flue Condensate formed must be cleared from the flue system and adequate care is requi...

Page 22: ...Wall Terminal The final location of the Flue Outlet terminal should comply with figure 23 and table 8 In certain circumstances the location of the boiler may leave the flue outlet in a position that d...

Page 23: ...c for further advice Figure 17 Vertical Flue Application 17 8 Modular Installations For multiple boiler modular installations eco hometec supply a range of larger diameter flues Sizes are available in...

Page 24: ...ings located in the socket component The outer air tube has EPDM rubber seal rings located in the socket component To aid assembly and assurance that the joints have been fully pushed home the seal ri...

Page 25: ...y and if required in different directions Additional 80 PPS flues tubes and fittings are available from eco hometec details below Figure 22 80mm Flue Tubes 80mm 1000mm PPS flue pipe 80mm PPS 45 degree...

Page 26: ...e ground roof or balcony 300mm H From a surface facing a terminal 600mm J From an opening in a car port e g door window into a dwelling 1200mm K Vertically from a terminal on the same wall 1500mm L Ho...

Page 27: ...nclude the following items 1 x Propane injector 5 7mm 1 x Injector 3 5mm 1 x 10mm plastic air box plug for EC 16 23 1 x 15mm plastic air box plug for EC 31 1 x 13mm plastic air box plug for EC 38 To c...

Page 28: ...or flooding BS 5540 2 T Ta ab bl le e 9 9 V Ve en nt ti il la at ti io on n Vent Position Into room or internal space Direct to outside air High level 9 cm2 per kW of input 4 5 cm2 per kW of input Low...

Page 29: ...ncy and fast recovery times all appliances are hot water priority should be of the high recovery type Recommended minimum coil capacity 25kW The boiler must be capable of being adequately vented of ai...

Page 30: ...ak away To minimise the risk of freezing all condensate waste pipe work fitted externally should be 32mm The existing drainage system should be corrosion resistant In order to avoid damage to the boil...

Page 31: ...Supply HOT WATER Strainer U FLOOR and or RADIATORS DOC Additional Heating Zone s CYLINDER HEATING CIRCUIT S Cyl Stat CWM Filling Loop Figure 25 HS Type Hydraulic system design Typical EC HS installat...

Page 32: ...d or RADIATORS DOC Additional Heating Zone s HEATING CIRCUIT S IMPORTANT 38kW models do not have expansion tank or 3bar pressure relief valve These items should be fiited as part of the installation C...

Page 33: ...es on the radiator in that room Using a RE2132 room unit With this special type of room thermostat available only from eco hometec the boiler can be regulated in a modulating fashion Please contact th...

Page 34: ...nsor All of the above are available form eco hometec Do not connect 240 volts to the low voltage terminal strip 22 3 Built in clock The appliance has a unique built in 3 channel programmable time cloc...

Page 35: ...A pressure operated switch activated by pressing with finger until sensor below casing facia clicks or display changes This button when pressed allows Access to 3 layer menu programming options Acces...

Page 36: ...er where temperature control is provided with a sensor available form eco hometec this function allows you to select the maximum temperature for the water in the cylinder To access the TEMP DHW option...

Page 37: ...e correct time is displayed confirm by pressing MENU button once and the minutes part of the display 00 will start flashing Adjust the minutes by pressing the and buttons When the correct time is disp...

Page 38: ...for higher and lower temperatures for a second central heating circuit Note unless a MR 03 is connected this function will not be seen 26 7 Night time lower 0o c This is used to programme the value fo...

Page 39: ...If this code is entered 21 the following parameters can be changed T Ta ab bl le e 1 13 3 I In ns st ta al ll le er r F Fu un nc ct ti io on ns s Programme No Programme name Setting range 1 Heating p...

Page 40: ...hen outside air temperature is 20 C When control by outside air temperature is required the relationship between the outside temperature and the flow temperature can be changed This line can be drawn...

Page 41: ...should be 20 C adjust if necessary The flow temperature 1 C is set at the MR 03 control unit 28 6 Service counter The boiler programme has a service counter which is programmed at 365 days after this...

Page 42: ...s equalised This minimum is also the minimum output for central heating 28 12 Maximum DHW Capacity If the boiler starts to cycle during how water production then a lower value could be set However due...

Page 43: ...2132 70 C primary 13 With one RE 2132 85 C primary 14 240v Room Stat 70 C primary 15 240v Room Stat 85 C primary 16 TRV s 70 C primary 17 TRV s 85 C primary Room temperature controlled without mixing...

Page 44: ...Volts Function No Cascade manager Max Flow Temperature 36 Analogue 0 3 Volts CH temp on manager The following function numbers are valid when a pump is used to load the hot water cylinder Outside tem...

Page 45: ...ostat or outside temperature control constant flow temperatures without a mixing or secondary circuit Function No Room Temp Control Max Flow Temperature 66 None 55 C 67 None 70 C 68 None 85 C Without...

Page 46: ...Figure 34 Internal Wiring Page 46 eco hometec uk ltd...

Page 47: ...tained with Fernox MB1 at a concentration of 4 29 5 Flushing System Pipe work Before the final flow and return connections are made to the boiler the system must be thoroughly flushed Ensure that all...

Page 48: ...e of propane gas Turn up the boiler controls to call for heat Switch on the boiler if the boiler fails to start check the LCD display for a flashing FAULT CODE if this occurs turn the adjusting screw...

Page 49: ...7mm Wo MJ m3 15 0 24 3 CO2 partial load 9 0 9 5 11 5 12 0 CO2 full load 8 5 8 8 15 5 11 0 C0 ppm partial load 15 20 C0 ppm full load 50 150 The measured CO2 and Co values are for partial load 20 and f...

Page 50: ...the set point FAN OFF ON The fan has switched off Unit will try to reset automatically FAN TOO LOW Detected fan speed to low Unit will try to reset automatically Check wiring terminals on top of trans...

Page 51: ...le interrupted 3 41 42 43 Gasvalve No phase connection for gas valve 34 20 Softw Fault A software error has occurred 34 Reset Key Reset button is stuck 34 Eeprom EEPROM test failed 34 Intern fault Tes...

Page 52: ...wiring diagram to check the wiring check the gas valve connection check for any moisture 18 Ignition cable not connected correctly Check cable for short circuit overheating too close to or crushed by...

Page 53: ...e gas thermostat defective Replace 34 Controller defective Replace entire boiler control box 35 Ignition electrode incorrect Replace 36 Moisture on gas valve cables Dry if necessary using hot air hair...

Page 54: ...should be found and rectified Check the air and flue duct for proper alignment and the air and flue duct terminal Set the appliance burning at maximum output and measure the CO2 Adjust the maximum se...

Page 55: ...ventative maintenance is a unique feature of all eco hometec boilers and is incorporated to further enhance their excellent reputation for reliability The following components should be replaced on an...

Page 56: ...k The appliance has a unique built in 3 channel programmable time clock This enables not only the setting of the heating times for various temperatures but also the heating times for hot water During...

Page 57: ...sing with finger until sensor below casing facia clicks or display changes This button when pressed allows Access to 3 layer menu programming options Access to current boiler status displays Confirms...

Page 58: ...oler or warmer water circulates through the heat emitters Raising or lowering the building ambient temperature is possible without adjusting the setting of the room thermostat or room unit If the boil...

Page 59: ...u are returning at 12 30 enter 12 00 Always confirm the times with the MENU button Programming all periods note you may ignore any blocks by entering 00 00 with the exception of SWITCH ON 1 and SWITCH...

Page 60: ...than required to compensate Statistically it has been proven that a night time decrease of 5 C is best if a lower night time temperature is set heating in the morning requires too much energy With SET...

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