REMEHA Gas 210 ECO Technical Information

• High-efficiency condensing boiler with Low NOx emission• Ranges: 80 - 160 kWRemeha Gas 210 ECORemeha Gas 210 ECOTechnical information

Remeha Gas 210 ECO103.2 Technical dataTable 01 Technical dataBoiler type Remeha Gas210 ECO - 80Remeha Gas210 ECO - 120Remeha Gas210 ECO - 160General

113.3 Quotation specificationsCast aluminium - sectional pre-mix gas fired boiler- Sectional heat exchanger manufactured from cast alu-minium- Maxi

Remeha Gas 210 ECO124 EFFICIENCY INFORMATION4.1 Annual efficiencyUp to 108.2% at Hi (up to 97% at Hs) at an average water temperature of 35°C (40/30

136 CONTROL AND SAFETY EQUIPMENT6.1 The instrument panel6.1.1 GeneralThe boiler is supplied with a standard set of defaults pre-programmed for norm

Remeha Gas 210 ECO14Table 02 Instrument panel functions6.1.3 Indication LED’sThe instrument panel has three indicating LED’s.1. The LED above the [

15Forced mode ‘low’ (l [[)By pressing the m and [-]-key simultaneously in opera-ting mode, the boiler will run at minimum power. The letter l will now

Remeha Gas 210 ECO16Table 03 Flow diagram control systemJAdjustments options/accessoriesLn/aPBoiler type, factory setRead-out mode,see par. 6.7digit

176.3 Operating mode (x [[)During normal operation the code-display shows the status (position in cycle) of the boiler, with the t-dis-play indicatin

Remeha Gas 210 ECO18Table 05 Shut-off codesNote: Shut-off mode is a normal boiler operating function and does not represent a boiler failure. However

19Find code 1.(digit and dot)Return to operating modeStore the new settingSet required flow temperature with the '+' and '-' -keyC

Remeha Gas 210 ECO206.5.2 Pump run on time (@)Pump run on time can be adjusted (Please refer to installation contractor).- Press the m-key until the

216.6 Setting mode service level (only for the qualified service engineer) (X [[)To prevent accidental, unauthorised access by non-qua-lified persons

Remeha Gas 210 ECO226.6.1 Low fire start point ($)Adjustable from 0 to 100%, factory setting 50%.The value relates to the low fire output set point i

236.6.12 Minimum water pressure (I)Adjustable from 0 to 6 bar, factory setting: 0.8 bar.This value sets the point at which the boiler will shut down

Remeha Gas 210 ECO24Table 11 Read-out mode user level* The displayed value has 4 digits. The display alterna-tely flashes from F 40 to . 00 with co

256.8 Failure mode (x [[) (service level)An actual failure is recognizable to a flashing code- and t-display (see Table. 23 in 10.2).The latest failu

Remeha Gas 210 ECO26Table 14 Meter successful ignition attempts 6.9.3 Total start attemptsTo read the total number of start attempts. Press s-key on

277 INSTALLATION INSTRUCTIONS7.1 GeneralAll gas appliances must, by law, be installed by compe-tent persons (e.g. Corgi). Failure to install applian

Remeha Gas 210 ECO281 Boiler in boiler room2 Boilers in boiler room2 Boilers in boiler room, back to backFig. 08 Positioning possibilities in the boi

29The following drawing represents the support surface of the boiler.Fig. 09 Support surface Remeha Gas 210 ECO(0021H7800001)7.3 Flue gas discharge

3CONTENTS Preface 51 General description of the boiler 62 Construction 7 2.1 Boiler layout 7 2.2 Operation principle 83 Technical data

Remeha Gas 210 ECO307.3.4 Single boiler conventional flueFig. 10 Flue gas discharge duct without bends, single boiler, conventional flue.(0021H79000

31Fig. 12 Vertical terminal for room sealed operation(0021H7900006)7.3.6 Different pressure zones Fig. 13 Different pressure zones (0021H7900021)Th

Remeha Gas 210 ECO32As most systems contain a variety of metals it is con-sidered good practice to provide some form of water treatment (especially in

337.5 Multiple installationWith more than one Remeha Gas 210 ECO boiler a cascade configuration can be made (see example in Fig. 14). The table below

Remeha Gas 210 ECO34Table 19 Dimensions low loss header, based on a ∆T of 20°COutput Flow Q d int.D ∅∅ or D squareH A BkW m3/h inch inch mm mm mm mm8

358 ELECTRICAL INSTALLATION8.1 GeneralThe Remeha Gas 210 ECO is supplied as standard with electronic operating and flame ionisation safety controls

Remeha Gas 210 ECO36Fig. 16 Terminal strip(0021H7900032a)Boiler power supply - 230V - 1 - 50 Fuse rating 6 ampsBoiler on Indication (24v ac signal)Out

37Fig. 17 Switch sequence diagram at nominal flow20 kW 160 kW0204060801001200 50 100 150 200 250 300 350 400IMS (%)80 kW120 kW160 kW0 50 100 150 200 2

Remeha Gas 210 ECO382. Analog control (0-10 Volt DC)The heat output modulates between the minimum and the maximum value on the basis of the voltage su

39Fig. 20 Characteristic output control0204060801001200 10203040506070delta T (°C)output (%)8.5 Safety interlocks8.5.1 Shut-down interlockAs standar

Remeha Gas 210 ECO48 Electrical installation 35 8.1 General 35 8.2 Electrical specifications 35 8.2.1 Power supply 35 8.2.2 Automatic

Remeha Gas 210 ECO408.6.2 Indicating module No.1With this standard module (AM3-2 print) it is possible to report / control the following:- Common al

418.7.5 Minimum gas pressure switchA minimum gas pressure switch can be connected to terminals 41 and 42. Note that the wire bridge must first be rem

Remeha Gas 210 ECO429 COMMISSIONING9.1 Initial lighting 1. Isolate main power supply.2. Remove the front casing.3. Check gas supply is available,

4316f. Check CO2-percentage (O2-percentage) against the table. Adjust if necessary using the adjustment screw on the IMS-system (see Fig. 24). Is the

Remeha Gas 210 ECO4410 FAULT-FINDING10.1 GeneralIn case of a failure, both digit in code-display as digits in t-display will flash. For an explanat

45FailurecodeDescription Cause / control points00Flame simulation - Burner still glows after a too high CO2-percentage.- Check combined ignition/ionis

Remeha Gas 210 ECO46FailurecodeDescription Cause / control points11Disturbance internalcommunication bus- Check flat cable in the instrument panel on

47FailurecodeDescription Cause / control points86Close (0%) and end position(100%) IMS detectedsimultaneouslyCheck:- adjustment of the 0% and 100% pen

Remeha Gas 210 ECO4811 INSPECTION AND SERVICING / MAINTENANCE INSTRUCTIONS11.1 GeneralThe Remeha Gas 210 ECO has been designed to need minimum main

49Cleaning the fan12. Remove the electrical connections from the fan.13. Unscrew the union nut between the IMS-system and the gas combi-block. 14.

5PREFACERead these instructions carefully before putting the boi-ler into operation, familiarise yourself with its control functions, operation and st

Remeha Gas 210 ECO50

52© CopyrightAll technical and technological information contained in these technical instructions, as well as any drawings and technical descriptions

Remeha Gas 210 ECO61 GENERAL DESCRIPTION OF THE BOILERThe Remeha Gas 210 ECO boiler is a pre-assembled, free standing, gas fired, high efficiency con

72 CONSTRUCTION2.1 Boiler layout1. air supply2. flue gas outlet3. combustion test point (O2/CO2)4. sealed air box5. differential air pressure s

Remeha Gas 210 ECO82.2 Operation principleCombustion air is drawn into the closed air box through the air inlet from the plant room (open flued) or f

93 TECHNICAL DATA AND DIMENSIONS3.1 DimensionsFig. 04 View drawings(0021H7900001) Flow connection 1¼” BSP (m) Return connection 1¼” BSP