Eco Heating Systems CB 105 HW Installation, Service And User Manual Download Page 1

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E93.1803.901

Original Manual

Installation, service and user manual

Wall hung high efficiency water heater

CB 85 HW
CB 105 HW
CB 125 HW
CB 155 HW

Summary of Contents for CB 105 HW

Page 1: ...E93 1803 901 Original Manual Installation service and user manual Wall hung high efficiency water heater CB 85 HW CB 105 HW CB 125 HW CB 155 HW...

Page 2: ...LOCATION OF THE HW 26 INSTALLATION CLEARANCES 26 WATER HEATER INSTALLATION LOCATION REQUIREMENTS 26 MOUNTING THE WATER HEATER 27 7 CONNECTIONS 28 TANK POSITIONING 28 WATER HEATER CONNECTIONS 28 CONDE...

Page 3: ...room 60 10 11 4 Example D Concentric flue gas air supply pipe roof mounted 61 10 11 5 Example E Concentric system Wall outlet C13 wall mounted 61 10 11 6 Example F Separate air supply duct flue duct i...

Page 4: ...lance mode 107 CASCADE WATER HEATER ROTATION 107 16 4 1 Next depending to start selection 107 CASCADE ERROR HANDLING 107 16 5 1 Cascade Frost protection 107 16 5 2 Emergency mode 108 16 5 3 Loss of ca...

Page 5: ...directly via the Status overview 140 23 8 2 Changing the DHW setpoint directly 140 PASSWORD 141 AVAILABLE MENU ITEMS 142 23 10 1 Central Heating CH Do not use or change these settings 142 23 10 2 Dome...

Page 6: ...C Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control...

Page 7: ...or a long period comfortably meet your requirement of hot water of the right temperature at the right hour provided that a few important conditions have been fulfilled regard ing the installation Plea...

Page 8: ...the water heater pump must be checked before leaving the installation Firing the water heater without water flow but filled with water will cause a boiling noise and can damage the heat exchanger The...

Page 9: ...cturer s instructions for inspection and maintenance requirements A Potable water inlet B Hot water supply circulation if appli cable C Circulation return 1 Pressure regulating valve manda tory in cas...

Page 10: ...rol for up to sixteen water heaters Remote operation and heat demand indication from each water heater Anti Legionnaires disease function Connections for Water heater pump PWM control for external wat...

Page 11: ...ues min max Nominal input gross G20 kW 17 1 90 7 20 7 108 1 26 2 132 6 38 9 161 4 Nominal input net G20 kW 15 4 81 7 18 6 97 3 23 6 119 4 35 0 145 3 Nominal input gross G25 3 kW 17 4 88 6 20 8 105 7 2...

Page 12: ...54 5 14 Pressure water heater max bar 8 0 Max water temperature C 85 Pressure relief valve max pressure bar 10 ELECTRIC Maximum power consumption 5 W 190 280 280 280 Power supply V Hz 230 50 Protectio...

Page 13: ...ower level indoors LWA EN 15036 1 2006 dB A 65 8 68 0 67 8 73 0 A water tank is needed when applying a CB HW water heater appliance The efficiency of the complete installation depends on type of water...

Page 14: ...NSIONS CONNECTIONS CB 85 HW CB 105 HW Twin pipe Connections Twin Pipe CB 85 105 A Hot water Outlet BSP 1 B Cold water Inlet BSP 1 C Condensate Flexible hose 25 21 mm D Gas BSP E F Flue gas Air inlet 1...

Page 15: ...HW 16 CB 85 HW CB 105 HW Concentric Connections Concentric CB 85 105 A Hot water Outlet BSP 1 B Cold water Inlet BSP 1 C Condensate Flexible hose 25 21 mm D Gas BSP E F Flue gas Air inlet 100 150 mm E...

Page 16: ...03 901 HW 17 CB 125 HW Twin pipe Connections Twin Pipe CB 125 A Hot water Outlet BSP 1 B Cold water Inlet BSP 1 C Condensate Flexible hose 25 21 mm D Gas BSP E F Flue gas Air inlet 100 100 mm EHS T020...

Page 17: ...3 901 HW 18 CB 125 HW Concentric Connections Concentric CB 125 A Hot water Outlet BSP 1 B Cold water Inlet BSP 1 C Condensate Flexible hose 25 21 mm D Gas BSP E F Flue gas Air inlet 100 150 mm EHS T02...

Page 18: ...3 901 HW 19 CB 155 HW Twin pipe Connections Twin Pipe CB 155 A Hot water Outlet BSP 1 B Cold water Inlet BSP 1 C Condensate Flexible hose 25 21 mm D Gas BSP 1 E F Flue gas Air inlet 150 150 mm EHS T02...

Page 19: ...D750 For the connections marked A H see 4 8 EWD300 EWD500 The EWD300 EWD500 and EWD750 are supplied including an already assembled slice sensor directly glued to the tank behind the insulation The sen...

Page 20: ...0 For the connections marked A H see 4 8 The EWD300 EWD500 and EWD750 are supplied including an already assembled slice sensor directly glued to the tank behind the insulation The sensor has an cable...

Page 21: ...l reducing ring R 1 R 1 R 1 B supply from water heater M incl reducing ring R 2 R 2 R 2 excl reducing ring R 1 R 1 R 1 C cold water inlet M incl reducing ring R 2 R 2 R 2 excl reducing ring R 1 R 1 R...

Page 22: ...mes for two three and four water heaters Bolts can be released Max 50 mm Hot water outlet D1 Cold water inlet D2 Twin pipe CB85 CB105 CB125 1875 50 5 Twin pipe CB155 1916 50 5 Concentric CB85 CB105 CB...

Page 23: ...R 1 R 1 R 1 R 1 R 1 D2 return R 1 R 1 R 1 R 1 R 1 R 1 R 1 R 1 R 1 R 1 R 1 R 1 R 1 R 1 R 1 R 1 D3 gas R R R R R R R R R R R R R 1 R 1 R 1 R 1 E1 gas 2nd water heater mm n a 591 591 591 n a 591 591 591...

Page 24: ...D500 E66 000 207 Hot water tank stainless steel EWD750 E66 000 208 Base plate EWD300 and EWD500 S022 200 004 Base plate EWD750 S022 200 005 Pump Grundfos UPMXL GEO 25 125N 180 S022 500 026 Pump Wilo S...

Page 25: ...of a cascade stand Water heater Installation Location Requirements The ventilation of the water heater room must meet local and national standards and regulations regard less of the selected supply of...

Page 26: ...nections This might influence the mounting position of the water heater Determine the position of the water heater by using the included suspension bracket or a suspension frame when supplied While ma...

Page 27: ...lowed Blockage of this drain might damage the water heater The drain con nection is correct when the condensate can be seen flowing away e g using a funnel Any damage that might occur when the drain i...

Page 28: ...y switched off Frost protection The water heater has a built in frost protection automatically activating the water heater pump when the water heater return water temperature drops below 10 C programm...

Page 29: ...ty to the required levels if possible Flush the system with fresh water When a water heater is installed in a new system or an existing installation the system must be cleaned before the water heater...

Page 30: ...cle is busy When using a cascaded system it is recommended to configure the de air function to either 24hr pump or disabled Water pressure The installation should be designed and built to conform to a...

Page 31: ...is to be made of copper or stainless steel pipes diameters according or bigger than prescribed below When using plastic pipes make sure the inner diameter of the pipes is at least equal to the corre s...

Page 32: ...able standards and regulations ALWAYS have the installation installed by a skilled installer Safety must be added according to all applicable standards and regulations Explanation 1 Pressure regulatin...

Page 33: ...to the tank 2 If the tank has a separate connection for recirculation use that connection preferably Use an immersion sensor mounted into an immersion bulb into the tank at 1 5 from the bottom of the...

Page 34: ...s and or tanks Extra explanation 1 Pressure relief valve mandatory in case water pressure is too high 2 Inlet combination with valve mandatory 3 Apply filter if necessary recommended 4 A suitable safe...

Page 35: ...8 1 6 CASCADE CALCULATIONS CB HW water heaters and tanks can be cascaded in a number of possible combinations according to the instruc tions below Pipe sizes should be selected conforming to the table...

Page 36: ...3 1 tank 42 x 1 5 54 x 1 5 54 x 1 5 64 x 2 0 2 tanks 35 x 1 5 42 x 1 5 54 x 1 5 35 x 1 5 54 x 1 5 54 x 1 5 CB 125 HW number of cascaded water heaters T 16 5 C number of cascaded water heaters T 12 5 C...

Page 37: ...ween water heaters and tanks is expressed as VL The definition of VL is shown in fig 1 From this distance extra resistance in the connecting pipes must be subtracted These resistances are expressed as...

Page 38: ...ons Figure 1 Definition of VL the maximum free length between boilers and tanks Table E Equivalent pipe lengths Copper pipe diameter D Equivalent pipe length 90 bend R 1 D Equivalent pipe length 45 be...

Page 39: ...the tank DT are selected from table B The main pipes D between boilers and tanks are selected from table C 8 1 8 ONE CB 125 HW HEATER WITH ONE EWD500 TANK Water heater and tank connections For this s...

Page 40: ...1 in the picture must measure at least 42 1 5 mm mm table A The pipes D must measure 54 x 1 5 mm mm table C Tank connections From table B for 2 tanks DT 42 1 5 mm mm For this system pipes sized at lea...

Page 41: ...ank with a total height of 200 cm the sensor has to be situated at 40 cm from the bottom S029 000 001 Repair set self adhesive sensor Sensor 30x40 mm Cable 5 meter S022 500 008 Strap on sensor S022 50...

Page 42: ...RAPH CB 105 HW 0 1 2 3 4 5 6 7 8 9 10 11 12 0 1 2 3 4 5 6 7 8 9 10 head m WC Flowrate m3 h T 12 5 C T 16 5 C Resistance graph CB 85 HW Head m Wc Flowrate m3 h 0 1 2 3 4 5 6 7 8 9 10 11 12 0 1 2 3 4 5...

Page 43: ...4 5 6 7 8 9 10 11 12 0 1 2 3 4 5 6 7 8 9 10 head m WC Flowrate m3 h Resistance graph CB 125 HW Flowrate m3 h T 16 5 C T 12 5 C Head m Wc 0 1 2 3 4 5 6 7 8 9 10 11 12 0 1 2 3 4 5 6 7 8 9 10 11 12 13 h...

Page 44: ...6 5 45 7 45 CB 105 HW 5 08 5 65 7 65 CB 125 HW 6 23 5 54 7 54 CB 155 HW 7 58 5 14 7 14 Pump maximum electric power General The inrush current of a conventional pump is approximately 2 x its nominal cu...

Page 45: ...ice building up on surrounding parts structures be cause the condensate will freeze This risk must be taken into account during the design phase of the heating installation Because the flue gases can...

Page 46: ...ter heater installations READ THE MANUAL PROVIDED BY THE VENT GAS AND AIR SYSTEM SUPPLIER CARE FULLY Polypropylene This product has been approved for use with polypropylene vent with the manufacturers...

Page 47: ...s to assure adequate combustion air These vents must be open and may not be closed or blocked Requirements in accordance with national and local standards e g NEN 3028 and BS 6644 There will be a noti...

Page 48: ...nd establishments Swimming pools Metal fabrication plants Beauty shops Refrigeration repair shops Photo processing plants Auto body shops Plastic manufacturing plants Furniture refinishing areas and e...

Page 49: ...ure common flue system Flue gas discharge through individual or shared flue ducting built into the building Air supply inlet and flue gas outlet Condensate is not allowed to go to the boiler Technical...

Page 50: ...into the building Air supply inlet and flue gas outlet Condensate is not allowed to go to the boiler Technical data nominal Tflue gas 85 C nominal Qfluegas see 3 2 11 maximum Tfluegas 90 C min load Tf...

Page 51: ...d local standards e g NEN 3028 6 5 and BS 6644 Note Special air inlet needed for IPX4D protection class accessory see 5 1 C13 Closed Air supply from outside Wall outlet Air supply inlet and flue gas o...

Page 52: ...are not part of the boiler The water heater is intended to be connected to a separately approved and marketed system for the supply of combustion air and discharge of combustion products Condensate i...

Page 53: ...nominal Tflue gas 85 C nominal Qfluegas see 3 2 11 maximum Tfluegas 90 C min load Tfluegas 35 C min load Qfluegas see 3 2 11 nominal CO2 see 3 2 11 1 technical specifications datasheet Flue duct Mate...

Page 54: ...is the height of the air inlet A rain hood must prevent rain entering the air supply system When the inlet and outlet are mounted on a flat roof the inlet must be at least 152 4 cm 60 inch above the r...

Page 55: ...2 5 17 7 26 7 130 straight tube m 0 8 1 1 1 7 2 5 45 bend 1 5 2 1 3 1 4 6 90 bend 3 5 4 9 7 4 11 0 air inlet zeta 1 0 4 2 5 9 9 0 13 3 150 straight tube m 0 5 0 7 1 0 1 5 45 bend 0 8 1 1 1 6 2 4 90 be...

Page 56: ...ing values 10 1 6 EXAMPLE A TWIN PIPE SYSTEM WITH SEPARATE PIPES FOR FLUE OUTLET AND AIR SUPPLY Calculation example with given lengths checking resistance Water heater type CB 155 Flue gas Diameter 15...

Page 57: ...0 1 0 9 0 9 Total resistance flue gas outlet 147 4 Air supply Diameter 100 mm Number Pa Pa total Straight tube m total 6 6 9 41 4 Bend 90 2 25 3 50 6 Roof terminal concentric 100 150 1 92 4 92 4 Adapt...

Page 58: ...r flue pipe mm 100 Concentric roof terminal mm 100 150 Maximum pipe length m flue air total pipe length includes 4 bends 90 adaptor par conc conc roof terminal 3 4 Example A C63 water heater type CB 8...

Page 59: ...gas 114 3 The total resistance is less than 200 Pa This flue gas air supply system is functional NOTE ECO specific resistance values are used in this example Flue and air pipes of other suppliers can...

Page 60: ...onal NOTE ECO specific resistance values are used in this example Flue and air pipes of other suppliers can have other values 10 1 10 EXAMPLE E CONCENTRIC SYSTEM WALL OUTLET C13 WALL MOUNTED Calculati...

Page 61: ...or pipe length or larger pipe diameter Concentric roof terminal mm 100 150 Maximum pipe length m includes 2 bends 90 2 bends 45 roof terminal 2 5 Example E C13 water heater type CB 85 CB 105 CB 125 CB...

Page 62: ...nce air supply 43 7 Total resistance flue gas outlet and air supply 130 0 The total resistance is less than 200 Pa This flue gas air supply system is functional NOTE ECO specific resistance values are...

Page 63: ...ad to Carbon Monoxide CO poisoning Safety measures To cover this risk of Carbon Monoxide CO poisoning in combination with combustion air drawn directly from the room two safety measures have to be tak...

Page 64: ...rm In case of an CO alarm the display of the heater will mention Max thermostat lock error Ad 3 Use always the cascade manager of the heater and check if power mode 2 is switched on parameter 148 Chec...

Page 65: ...n 3 Insofar as is practical close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces o...

Page 66: ...ounted on the casing of the burner controller 12 2 Connection mains supply It is advised to use a flexible cable between the cabinet entry at the bottom and the connection terminal The earth wire has...

Page 67: ...ater heaters to 21 of the managing water heater 12 13 DO NOT USE Do not connect wires to these terminals 14 15 DO NOT USE Do not connect wires to these terminals 16 17 DO NOT USE Do not connect wires...

Page 68: ...s occurred There are a few exceptions Alarm output will not be activated for a service warning Alarm output will not be activated for warning 202 Appliance selection 10 Phase wire 11 Neutral wire PARA...

Page 69: ...E93 1803 901 HW 70 12 6 Electrical schematic...

Page 70: ...E93 1803 901 HW 71...

Page 71: ...E93 1803 901 HW 72 12 7 Ladder Logic Diagram LOW MAINS VOLTAGE VOLTAGE...

Page 72: ...aded Water Heaters DHW mode 2 to 8 Do not use 12 9 NTC sensor curve All NTC sensors are according to this characteristic NTC 10K 25 C 77 F B3977k 3 60 C 140 F Temperature Resistance Temperature Resist...

Page 73: ...ed 5 Cascade pump N A 1 Drain switch 6 Alarm relay 2 2 Gas pressure switch 7 Filling valve 2 122 Prog Input 7 0 Disabled 8 LPG tank 2 1 T_Flue_2 sensor N A 9 Ext Igniter 2 2 T_Flue_2 with blocked flue...

Page 74: ...on in Status overview when directly setting Actual setpoint or DHW setpoint LEFT Return to previous menu item or Status overview UP Directly select Actual setpoint of DHW setpoint in the Status overvi...

Page 75: ...hows user configured information by default only the outside temperature Line Info Top Burner state when enabled Middle Configured selected temperature one of the following Outside temperature Demand...

Page 76: ...and the Actual DHW setpoint becomes directly settable Use UP or DOWN to increase decrease the setpoint Press CONFIRM or RIGHT to confirm your alteration or press ESC or LEFT to cancel A setpoint is o...

Page 77: ...cel After the password is entered in correctly press ENTER RIGHT to confirm and access the menu item When a correct password is entered the selected user level is unlocked This is displayed by an icon...

Page 78: ...anguage after you will automatically return to the General settings menu Press ESC a few times until you have reached the Status Overview again Water heater history The water heater history found in t...

Page 79: ...Description The bottom line will show the Time Stamp date and time when the error was detected in the format as configured in the Date Time Settings menu and also the selected error index from the to...

Page 80: ...AND PARAMETERS Service status information can be viewed Menu Information Service Here the installer can also reset the Service reminder accessible at installer level Sub Menu item Description Service...

Page 81: ...he water heater loop pump is switched ON for CH When any of the sensors drop below FP_Start_Burn the water heater is fired When all of the sensors measure above FP_Stop the Frost protection demand is...

Page 82: ...k is selected the tank valve stays opened 7 FLAME_PROVING Fan stays at ignition speed The gas valve stays opened The igniter is stopped When a LPG tank is selected the tank valve stays opened 8 BURN T...

Page 83: ...a specific meaning for the con troller Below the various states are explained in more detail Controller State Description Off The controller is disabled The controller cannot generate request from thi...

Page 84: ...and the control will perform a post purge after which a restart will take place The presence of a flame is measured through the flame rod that points into the flame The flame current is measured by th...

Page 85: ...g the delta T read out in the Information menu by selecting heater status now check the Flow temperature minus the Return Temperature 3 If the delta T is within limits change back parameter 136 to Mod...

Page 86: ...itches ON the circulators when the Anti_Legionella_Sensor temperature is above Anti_Legionella_Setpoint plus 5 C plus 9 F the control stops the circulators The heater setpoint will be Anti_Legionella_...

Page 87: ...nd generation When the anti legionella control has an active request a burn demand can be generated The burn demand is generated according to the following rules Start demand The demand is started whe...

Page 88: ...Bas Outd T WW Shutdown par 25 0 35 22 C Installer Set outdoor temperature above which CH demand is locked Bas Outd T par 22 0 30 20 C Installer Set the outdoor temperature at which CH setpoint is set...

Page 89: ...it Access level Description Successful Ignitions User Display the number of successful ignitions Failed Ignitions User Display the number of failed ignitions Flame Failures User Display the number of...

Page 90: ...ult unit Access level Description Date dd mm yy User Set the current date Time hh mm User Set the current time A Time Zone Settings User Enter the time zone settings menu B Display Settings User Enter...

Page 91: ...he burner state Temperature selection ID On User Enable disable the temp selection ID Tx where x is the number of the selection Temperature selection User Select which temperature is displayed Outside...

Page 92: ...20 90 40 C Installer Set CH setpoint when outdoor tem perature equals Bas Outd T 21 Baseline Outdoor Temp 0 30 20 C Installer Set the outdoor temperature at which CH setpoint is set to Bas Sup ply T 2...

Page 93: ...r Select the function for program mable input 3 118 Prog Input 7 0 5 3 Installer Select the function for program mable input 7 122 Prog Input RT 0 1 1 Installer Select the function for the pro grammab...

Page 94: ...which a module is started 144 Hyst Up Quick Stop 0 40 14 C Installer Set the fast hysteresis up after which a module is stopped 145 Hyst Up Stop All 0 60 16 C Installer Set the hysteresis up at which...

Page 95: ...ped 165 Hyst Up Stop All 0 60 8 C Installer Set the hysteresis up at which all boilers are stopped 166 Number of boilers 0 16 1 Installer Set the number of boilers ex pected in the cascade system 167...

Page 96: ...ors can be divided in three groups Non volatile locking errors can only be reset by the reset button Blocking errors will disappear when error is gone Warnings will disappear when the warning is gone...

Page 97: ...d BCU or PB reset BCU or replace BCU 11 STATE_ERROR Internal software error wrongly programmed BCU or PB reset BCU or replace BCU 12 ROM_ERROR Internal software error wrongly programmed BCU or PB rese...

Page 98: ...0 minutes Check if there is a leak in the central heating system or if the boiler it self is leaking also check expansion ves sel on internal leak 29 PSM_ERROR Internal software error wrongly programm...

Page 99: ...BCU or replace BCU and or display unit 110 REFHI2_TOO_HIGH Internal hardware error wrongly programmed BCU or PB reset BCU or replace BCU and or display unit 111 REFHI2_TOO_LOW Internal hardware error...

Page 100: ...er supply input are re versed Live and neutral wire are wrongly connected Change live and neutral wire 136 T_EXCHANGE_ BLOCK_ERROR Exchange temperature exceeded 194 F 90 C water temperature is above 1...

Page 101: ...ing between boiler or distance between boilers is to big 204 T_OUTDOOR_ WRONG T_Outdoor sensor measures open shorted malfunctioning out door sensor or not connected or wrong CH mode pro grammed check...

Page 102: ...the water heater no check valve is recommended If needed the water heater control can handle up to sixteen water heaters For large capacity installations consult your supplier PUMP NON RETURN VALVE V...

Page 103: ...Boiler Parameters Parameter 35 DHW Mode Set Mode to 0 for depending boilers only This causes a crossed out tap at the normal display If this setting is forgotten the message MN DHW Sensor Open appears...

Page 104: ...ectly after the parame ter change has been done Parameters for cascade operation are found in the Module cascade settings menu located in the Water heater settings menu Parameters in the Boiler heater...

Page 105: ...Water heater The HW mode for the cascade is defined by the setting of the managing water heater HW mode settings on dependents are ignored In case a water heater is set as dependent Address 2 8 16 the...

Page 106: ...t is reset to 0 When the First_Depending_To_Start is manually changed the control will clear all demand of the cascade control After this is will start cascade demand generation with the new selection...

Page 107: ...r password required Module Cascade parameter no 72 Permit_Emergency_Mode has to be set on yes Module Cascade parameter no 74 Emergency_Setpoint has to be set on the right temperature Water heater para...

Page 108: ...ater heater stays at high power limited by the parameter CH_ max_ power 6 High limit error test Simulates the Max_Temp_Error 7 Low water cut off 1 error test Simulates the LWCO_1_ Error 8 Low water cu...

Page 109: ...he venting outlet goes via a plastic tube through the bottom to the outside During the commissioning make sure no water can enter the water heater and make contact with the electrical parts Third chec...

Page 110: ...r heater and the described previous actions the water heater display will show the following graph This screen is active during power up and will remain active until communication with the main Contro...

Page 111: ...The flue gas check valve has been replaced In any of the cases described always check the gas air ratio of the combustion figure O2 at maximum and mini mum input First set the water heater at maximum...

Page 112: ...VALVES DRAWINGS Location of the setting screws High Fire venturi adjustment screw use hex key 4 mm Low Fire gas valve adjustment screw Torx T40 High Fire screw 2 Low Fire screw 1 Low Fire screw 1 High...

Page 113: ...The system test automatically stops after 10 minutes after this the system continues with normal demand handling When the system test mode is changed during an active system test the 10 minute timer i...

Page 114: ...is done by placing a propane orifice between gas valve and venturi By using the correct orifice size see table the measured CO2 O2 percentage in the flue gas will al ready be close to the desired val...

Page 115: ...Press UP DOWN to adapt the fan speed according to the table and press ENTER To return to the status screen press ESCAPE or MENU 4 times or RESET once Check during start up of the water heater no gas...

Page 116: ...intake location e g roof wall Distance vertical from roof Distance from closest wall Common air intake system YES NO If YES how many Air intake s are joined Air intake under pressure on top of heater...

Page 117: ...atio Gas supply Type of Gas from installation Is gas isolation valve installed under water heater according to installation manual YES NO Which diameter gas isolation valve is installed Gas piping ins...

Page 118: ...is required to maintain a service log for each water heater that includes all of the following information Serial number Date and time of maintenance Name of maintenance engineer Which parts were exc...

Page 119: ...burner controller unit To remove this part for an internal heat exchanger check remove the six M6 nuts the ignition cable and the thermal fuse cables Close the gas tap under the water heater and loos...

Page 120: ...ce the electrode when there is a crack in the ceramic insulation of the electrode When the electrode is replaced also the gasket must be replaced The electrode should be cleaned annually by lightly ru...

Page 121: ...ned by silicone glue Remove electrodes Remove the braids by sliding under the periphery a thin tool to loosen the braids and remove it Remove and clean the residues of the braids and silicone glue Put...

Page 122: ...aced Wait until the heat exchanger has cooled down to prevent debris from falling in between the coils place a sheet e g paper on the bottom beneath the disc make the insulation wet by spraying water...

Page 123: ...will exit the heat exchanger by the condensate trap Notice don t wet the rear wall insulation When mounting the bottom part of the condensate trap before commissioning the water heater and or after m...

Page 124: ...f the DHW function on the boiler 2 Check if pump P1 is resistant to the detergent 3 Close the shutoff valves on both the hot water and cold water lines V3 and V4 4 Connect pump outlet hose H1 to the h...

Page 125: ...h one hand at the mid dle at point A Hand tighten the flange nuts with the other hand as far as possible onto the threaded studs Now the burner door is in place and the nuts can be tightened with a to...

Page 126: ...nd signs of aging Record gas pressure and note pressure drop upon start up Record O2 CO2 at high and low fire Visual and Temperature Do visual inspection of all system components and verify programmed...

Page 127: ...E93 1803 901 HW 128 22 SPARE PARTS CB 85 HW CB 105 HW and CB 125 HW exploded view...

Page 128: ...E93 1803 901 HW 129...

Page 129: ...E93 1803 901 HW 130 CB 155 HW exploded view...

Page 130: ...E93 1803 901 HW 131...

Page 131: ...00 019 x x x x 15 Seal Burner door S004 200 004 x x x x 16 Insulation fibre braid burner door S004 200 008 2 x x x x 17 Burner door thermostat 260 C M5 S004 200 009 1 x x x x 18 Burner CB 85 105 S004...

Page 132: ...ing bracket heat exchanger S011 500 014 x x x x 54 Top panel CB 85 105 125 S011 500 015 x x x NA 54 Top panel CB 155 S011 500 016 NA NA NA x 55 Condensate drain assembly l 800 S012 200 002 x x x x 56...

Page 133: ...0 62 DW13 S033 500 007 x x x x 91 Hose clamp 11 6 12 3 S033 500 008 x x x x 92 Cable tie with rivet S033 500 009 x x x x 93 PVC bracket CB 85 105 125 S033 500 010 x x x NA 93 PVC bracket CB 155 S033 5...

Page 134: ...en under water Without written approval of the manufacturer the internals of the water heater may not be changed When these changes are executed without approval the water heater certification is inva...

Page 135: ...ump Instead shut off the gas supply at a location external to the appliance Maintenance and inspection Visually inspect the venting system for proper size and horizontal pitch and determine there is n...

Page 136: ...irectly setting Actual setpoint or DHW setpoint Left Return to previous menu item or Status overview Up Directly select Actual setpoint of DHW setpoint in the Status overview push RIGHT to confirm and...

Page 137: ...ion Left Shows user configured information by default only the outside temperature Line Info Top Burner state when enabled Middle Configured selected temperature one of the following Outside temperatu...

Page 138: ...the water heater on The following screen will occur This screen is active during power up until communication with the main Control has been established After communication has been established the Da...

Page 139: ...r RIGHT to confirm your alteration or press ESC or LEFT to cancel A setpoint is only visible on the display when no error or alert is active In case of an active error or alert the bottom right part o...

Page 140: ...installer only The following menu items require a password Menu item Location inside menu Startup Settings Settings General Settings Other Settings Startup Settings Boiler Parameters Settings Boiler S...

Page 141: ...e Unit Flow Temperature Actual supply flow temperature C F Flow 2 Temperature Actual supply 2 flow temperature C F Return Temperature Actual return temperature C F DHW Temperature Actual DHW temperatu...

Page 142: ...ext service hrs Reset Service Reminder Reset the service reminder 23 1 12 SETTINGS Menu Parameter Description Value Unit General Settings Enter the General Settings menu Boiler Settings Enter the Boil...

Page 143: ...cription Value Unit Modbus Address Select the Modbus communication address 0 255 Modbus Stop bits Select the number of Modbus communication stop bits 1 2 Startup Settings Select the start up logo if e...

Page 144: ...ours When service is not done within this time a message will be shown on the screen Service is required alter nating with the normal status display NOTE with the message Service is required the boile...

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Page 147: ...ur distributor Eco Heating Systems Groningen BV Contact P O Box 5145 9700 GC Groningen The Netherlands Visit Rigaweg 10 9723 TH Groningen The Netherlands T 31 50 5470470 E sales ecohs nl I www ecohs n...

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Eco Heating Systems CB 105 HW, Installation, Service And User Manual

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Summary of Contents for CB 105 HW

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