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E93.1801EN171 HWB installation manual

31

8

THE HWB SANITAIRY SYSTEM: INSTALLATION INSTRUCTIONS

The HWB system

The system is set up as shown in the next two examples, the first showing a combination of one water heater and
one tank, the second showing a combination of two water heaters and two tanks. Other combinations are possible
as well, contact your supplier.

SAFETY COMPONENTS

NB!

The pictures show examples of functional installations. The safety components as shown in these pictures

are NOT necessarily conform all applicable standards and regulations.

ALWAYS have the installation installed by a skilled installer. Safety must be added according to all applicable
standards and regulations.

8.1.1

S

TAND

-

ALONE SET

-

UP

The basic form of an HWB installation is one water heater with one tank.
Shown in the picture are the principle components and connections.
Apply parameter configuration DHW-mode 4 (default, stand alone)

Example of a combination of one water
heater and one tank

Extra explanation:

1) Pressure relief valve (mandatory in case ser-

vice pipe pressure is too high)

2)  Inlet combination with valve (mandatory)
3)  Apply filter if necessary (recommended)
4)  A suitable safety valve must be mounted near

the water heater (mandatory)

This safety valve may never be isolated from
the water heater by means of a ball valve

5) Mount the tank sensor in an immersion bulb

into the tank at 1/5 from the bottom of the tank

6)  Drain valve (recommended)
7)  Hot and cold-water mixers

A)  Cold water inlet (service pipe)
B)  Hot water supply circulation
C) Circulation return

PUMP

NON- RETURN VALVE

VALVE

SAFETY VALVE

AUTOMATIC AIR VENT

FILTER

INLET COMBINATION
- Overflow
- Controllable Inlet valve
- Valve

PRESSURE REGULATING
VALVE

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Содержание HWB-299

Страница 1: ...result causing property damage personal injury or loss of life Ne pas entreposer ni utiliser d essence ou ni d autres vapeurs ou liquides inflam mables proximit de cet appareil ou de tout autre appare...

Страница 2: ......

Страница 3: ...N 26 7 2 1 Gas line connection 26 CONDENSATE DRAIN CONNECTION 27 NON RETURN VALVE 28 PUMP FUNCTIONALITY 28 FROST PROTECTION 28 WATER QUALITY 29 FLUSH THE SYSTEM WITH FRESH WATER 29 AUTOMATIC AIR PURGI...

Страница 4: ...Duravent M G 60 11 1 2 Terminals equivalent feet 60 EXISTING COMMON VENTING GUIDELINES 61 12 ELECTRICAL INSTALLATION 62 GENERAL 62 CONNECTION MAINS SUPPLY 62 ELECTRICAL CONNECTIONS 62 EXPLANATION OF T...

Страница 5: ...to start selection 96 CASCADE ERROR HANDLING 97 16 4 1 Cascade Frost protection 97 16 4 1 Emergency mode 97 16 4 2 Loss of cascade communication 97 17 SYSTEM TEST 98 18 COMMISSIONING THE WATER HEATER...

Страница 6: ...Symbol indicates a hazardous situation which will or can cause minor or moderate personal injury or property damage Caution Sign plus a lightning bolt indicates the risk of electric shock and the pot...

Страница 7: ...E93 1801EN171 HWB installation manual 7 1 SAFETY GUIDELINES...

Страница 8: ...E93 1801EN171 HWB installation manual 8 CONSIGNES DE S CURIT...

Страница 9: ...ter contains materials that have been identified as carcinogenic or possibly carcinogenic to humans AVERTISSEMENT Une installation un r glage une modification une r paration ou un entretien non con fo...

Страница 10: ...the temperature at the water heater To comply with safety regulations the setpoint was set at its lowest setting before shipment from the factory WARNING Water temperatures over 125 F 52 C can cause...

Страница 11: ...e eau pour eau chaude sanitaire usage seulement CH Chauffage central pour objectif chauffage et ou eau chaude indirect BCU commande burner control unit PB cran Pixel Button 299 399 499 Mod le num ro d...

Страница 12: ...shall be performed in strict compliance with the manufacturer s instructions A copy of the installation instructions shall remain with the water heater and or equipment at the completion of the insta...

Страница 13: ...er scaling must be avoided or controlled by proper water treatment TDS Total Dissolved Solids should not exceed 450 PPM Hardness and TDS together may not exceed 450 PPM pH value should be between 6 5...

Страница 14: ...approved pressure relief valve must be installed to the outlet of the water heater The pressure relief valve must conform to ANSI Z21 22 or CAN 1 4 4 and installation must follow local codes The BTUH...

Страница 15: ...able safety valve must be mounted near the water heater mandatory This safety valve may never be isolated from the water heater by means of a closing valve 5 Mount the tank sensor in an immersion bulb...

Страница 16: ...er heater control includes Cascade control for up to sixteen water heaters Remote operation and heat demand indication from each water heater Anti Legionnaires disease function Only available at DHW m...

Страница 17: ...ss propane MBTU hr 60 294 80 397 98 473 Input gross propane kW 17 6 86 1 23 4 116 28 7 139 Thermal efficiency natural gas ANSI Z21 10 3 2015 CSA 4 3 2015 96 8 95 6 97 4 Thermal efficiency propane ANSI...

Страница 18: ...rate De rate by 4 De rate by 8 De rate by 10 De rate 4 per 1000 ft In Canada No de rate De rate by 10 De rate by 10 De rate by 10 De rate 4 per 1000 ft In USA and Canada de rate by 4 extra for every...

Страница 19: ...E93 1801EN171 HWB installation manual 19 4 WATER HEATER DIMENSIONS HWB 299 Connections HWB 299 A Hot water outlet NPT 1 B Cold water inlet NPT 1 C Condensate Flexible hose 1 06 26 9 mm D Gas NPT 1...

Страница 20: ...E93 1801EN171 HWB installation manual 20 HWB 399 Connections HWB 399 A Hot water outlet NPT 1 B Cold water inlet NPT 1 C Condensate Flexible hose 1 06 26 9 mm D Gas NPT 1...

Страница 21: ...E93 1801EN171 HWB installation manual 21 HWB 499 Connections HWB 499 A Hot water outlet NPT 1 B Cold water inlet NPT 1 C Condensate Flexible hose 1 06 26 9 mm D Gas NPT 1...

Страница 22: ...The kit consists of two gas pressure switches with connections to the gas valve and cabling to connect to the burner controller The gas pressure switches are fac tory set to the values for natural gas...

Страница 23: ...Hz power source socket with ground Open connection to the sewer system for draining condensing water A wall or stand to properly support the weight of the water heater Depending on the current of the...

Страница 24: ...of humidity and moisture or where condensation might fall onto the water heater Make sure there is an open connection with the sewer to drain the condensate This connection should be lower than the c...

Страница 25: ...spension bracket or frame is perpendicular and the water heater does not lean forward If necessary adjust the position with the leveling bolts at the lower rear side of the back panel see figure below...

Страница 26: ...gas meter and regulator must be sized properly to prevent pressure drop greater than 1 wc as stated in the NFPA54 If you experience a pressure drop of greater than 1 w c regulator or gas line is unde...

Страница 27: ...re disposal If not properly neutralized it may harm some floor drains and or pipes particularly those that are metal Ensure that the drain drainpipe and anything that will come in contact with the con...

Страница 28: ...r heater return water temperature drops below 50 F 10 C programmable When the water heater Inlet temperature drops below the 41 F 5 C programmable the water heater is also ignited The pump and or wate...

Страница 29: ...on Automatic air purging of the heat exchanger The De Air sequence is a safety function starting at every power ON and is used to remove the air from the heat exchanger The De Air sequence does not st...

Страница 30: ...The minimum water pressure in the water heater is 15 psi and the maximum pressure is 87 psi The normal water pressure should be between 22 and 50 psi Or 22 and 75 psi when the optional pressure relief...

Страница 31: ...lation is one water heater with one tank Shown in the picture are the principle components and connections Apply parameter configuration DHW mode 4 default stand alone Example of a combination of one...

Страница 32: ...nded If needed the water heater control can handle up to sixteen water heaters For large capacity installations consult your supplier Example of a combination of three water heaters and two tanks Expl...

Страница 33: ...Temperature F C Resistance Temperature F C Resistance Temperature F C Resistance Temperature F C Resistance 40 40 334275 50 10 19897 122 50 3599 212 100 674 22 30 176133 68 20 12493 140 60 2454 230 1...

Страница 34: ...H HWB 299 9 1 2 WATER HEATER RESISTANCE GRAPH HWB 399 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 presuure drop feet of head Flowrate gallons US minute Resistancegraph HWB 299 T 20 F T 27 F 0 5 10 15...

Страница 35: ...esistance of the piping and tank to make a good design Normally an extra 6 6 feet of head 2 m WC is sufficient to overcome the resistance of the pipe and tank Water heater T 27 F 15 C at flow rate min...

Страница 36: ...and any additional pumps and valves may not exceed 2 A Pump P2 calorifier pump Pump P2 is a DHW indirect tank pump meaning it s not part of the appliance The maximum combined current for the indirect...

Страница 37: ...gle of 3 downwards in the direction of the water heater roughly equal to 1 4 inch per foot or 5 cm per meter When not installed accordingly it may result in condensate building up in the vent gas tube...

Страница 38: ...NAL size part HWB 299 HWB 399 concentric roof 4 vent 4PPS VKL 4PPS VK TCL 37 ft concentric wall 4 vent 4PPS HKL 13 ft HWB 499 2 pipe wall 6 vent 6PPS HSTL 28 ft Vent and air intake pipe material Items...

Страница 39: ...RE FULLY Never use aluminum containing vent pipes in these water heaters Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance Failure to fo...

Страница 40: ...tpoint supply temperature Default setting for this limit is 194 F 90 C for other temperatures the installer has to change this temperature in the installer menu to match table above This is water heat...

Страница 41: ...menting a Handle fittings and pipes carefully to prevent contamination of surfaces b Apply a liberal even coat of primer to the fitting socket and to the pipe end to approximately 1 2 beyond the socke...

Страница 42: ...n Stainless 4PPS BG 810004367 4 concentric roof black 4PPS VKL 810009752 terra cotta 4PPS VK TCL 810009753 4 concentric wall white 4PPS HKL 810009742 HWB 499 5 Roof black 5PPS VTML 810009770 5 Single...

Страница 43: ...urity Chimneys Secure Seal SS SSD SSID Heat Fab Saf T EZ Seal Use of FasNSeal Flex smooth inner wall vent is to be used in vertical or near vertical sections only taking pre caution to ensure no saggi...

Страница 44: ...lled supply pipe or an insulated duct must be used to prevent the possible condensation on the outside of the pipe It is not possible to insulate the internal air pipes of the water heater and therefo...

Страница 45: ...h quality UL Listed silicone sealant such as those manufactured by Dow Corning or General Electric b Do not install seams of vent pipe on the bottom of horizontal runs c Secure all joints with a minim...

Страница 46: ...ns of the local building codes Indoor air kit Duravent Centrotherm 10 6 1 AIR CONTAMINATION Pool and laundry products and common household and hobby products often contain fluorine or chlorine com pou...

Страница 47: ...nufacturing plants Furniture refinishing areas and establishments New building construction Remodeling areas Garages with workshops Proper vent installation and type of gas vent or vent connector For...

Страница 48: ...or Canadian installations Follow the instructions in this manual when removing a water heater from an existing vent sys tem The water heater vent and air piping can be installed through the roof or th...

Страница 49: ...age 53 for more details Two pipe vertical See page 53 for more details Concentric wall two pipe to water heater Water heaters HWB 299 HWB 399 only See page 51 for more details Concentric wall concentr...

Страница 50: ...manual 50 Concentric vertical two pipe to water heater Water heaters HWB 299 HWB 399 only See page 53 for more details Concentric vertical concentric to water heater Water heaters HWB 299 HWB 399 onl...

Страница 51: ...ling winds could cause freezing of condensate and water ice buildup where flue products impinge on building surfaces or plants d Avoid possibility of accidental contact of flue products with people or...

Страница 52: ...on Direct vent 4 ft 1 2 m below or to side of opening 1 ft 30 cm above opening 3 ft 91 cm K Clearance to a mechanical air supply inlet 3 ft 91 cm above if within 10 ft 3 m horizontally 6 ft 1 83 m L C...

Страница 53: ...n manual 53 Two pipe sidewall termination of air intake and exhaust vent Alternate two pipe sidewall termination of air intake and exhaust vent Alternate two pipe sidewall termination of air intake an...

Страница 54: ...s to obtain minimum clearance of 12 inches 305 mm between the inside edge of the exhaust vent and the inside edge of the air intake elbow as shown in figure below for U S installations For Canadian in...

Страница 55: ...ce with the rain cap removed on the concentric terminations or recirculation of combustion products may occur Water may also collect inside the larger com bustion air pipe and flow to the burner enclo...

Страница 56: ...ace in which the exhaust vent penetrates the roof and at least 2 feet above any part of a building within 10 horizontal feet 4 The air intake piping must terminate in a down turned 180 direction utili...

Страница 57: ...same height and all air intake pipes at the same height to avoid recirculation of flue products and the possibility of severe personal injury death or substantial property damage 2 Place roof penetrat...

Страница 58: ...ter heaters Note keep the terminals at min 12 above grade or snow line Provide vent and air intake with bird screen Concentric Vertical Termination Do Not Install U Bend or elbow on concentric termina...

Страница 59: ...nticipated snow level 12 inches 305 mm in U S A or 18 inches 457 mm in Canada as shown in figure above DO NOT use field supplied couplings to extend concentric terminations Airflow restriction will oc...

Страница 60: ...ft 30 m 100 ft 30 m HWB 399 3 85 ft 26 m 100 ft 30 m 100 ft 30 m 100 ft 30 m 4 100 ft 30 m 100 ft 30 m 100 ft 30 m 5 16 ft 5 m 100 ft 30 m 100 ft 30 m 6 100 ft 30 m 100 ft 30 m CHB 499 3 100 ft 30 m 1...

Страница 61: ...othes dryers and any appliance not connected to the common venting system Turn on any exhaust fans such as range hoods and bathroom exhausts so they will operate at maximum speed Do not operate a summ...

Страница 62: ...y a qualified installer or licensed electrician where required that is skilled in working on electrical installations and according to all applicable standards It is not allowed to change the internal...

Страница 63: ...o 11 do not mix these Link connections 10 of the dependent water heaters to 20 of the managing water heater and connections 11 of the dependent water heaters to 21 of the managing water heater 12 13 D...

Страница 64: ...has 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 PA...

Страница 65: ...E93 1801EN171 HWB installation manual 65 Ladder Logic Diagram...

Страница 66: ...E93 1801EN171 HWB installation manual 66 Electrical schematics...

Страница 67: ...E93 1801EN171 HWB installation manual 67...

Страница 68: ...bled N A Not Available DHW mode 0 Do not use DHW mode 1 Cascaded Water Heaters with bulb and system sensors DHW mode 2 Do not use DHW mode 3 Do not use DHW mode 4 Stand Alone with immersion bulb senso...

Страница 69: ...Disabled 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 blocke...

Страница 70: ...e Emergency Mode active Error notification ON OFF On off switch Switches electrical power to the boiler COMPUTER Connector for computer cable RESET Reset lockout error MENU Enter the main menu ESCAPE...

Страница 71: ...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 of the display is used to display the error or alert text 13 2 2 ENTERING THE...

Страница 72: ...n Water heater via Settings Water heater 13 2 4 DE AERATION SEQUENCE The De Aeration sequence is a safety function that starts at every power ON of the water heater and is used to remove the air from...

Страница 73: ...ater heater on which the error was detected The error log can be viewed from the error log menu which is located in the information menu Menu Domestic Hot Water DHW Information Settings System test i...

Страница 74: ...DER It is possible to reset the Service reminder counters before the Service reminder was actually active This must be done when the appliance was serviced before the Service reminder was active This...

Страница 75: ...FP_Start_Pump the 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 prote...

Страница 76: ...l fan speed Ignition speed Maximum flue gas temperature Ignition speed is the same as Pre Purge Speed and Post Purge speed The parameter can be used for conversion from natural gas to propane see 18 5...

Страница 77: ...g of water heaters is required this can be done by changing parameter 35 DHW mode from 4 to 1 Default setting is DHW mode 4 DHW Mode 1 is used for cascading water heaters set the cascade parameters ac...

Страница 78: ...ected to the water heater Demand detection For DHW mode 4 a demand is present when DHW tapping is detected During a demand the burner is started based on the T_DHW temperature Tap start detection Tap...

Страница 79: ...Anti_Legionella_Sensor is above Anti_Legionella_Setpoint minus 5 4 F minus 3 C for Anti_Le gionella_Burn_Time the controller goes into post circulation and ends the Anti Legionella demand When the con...

Страница 80: ...2 0 95 35 72 22 F C Installer Set outdoor temperature above which CH demand is locked Bas Outd T 32 0 86 30 68 20 F C Installer Set the outdoor temperature at which CH setpoint is set to Bas Supply T...

Страница 81: ...ss level Description Successful Ignitions User Display the number of successful ignitions Failed Ignitions User Display the number of failed igni tions Flame Failures User Display the number of flame...

Страница 82: ...User Set the time zone correction Daylight Savings Time User Select the daylight savings time mode B Display settings min max De fault unit Access level Description Time Notation 24h 24h 12h User Sel...

Страница 83: ...fferentia 10 Design Supply Temp 39 4 194 90 185 85 F C Installer Set CH setpoint when out door temperature equals Des Outd T 19 Design Outdoor Temp 13 25 77 25 23 5 F C Installer Set the outdoor tempe...

Страница 84: ...grammable input 7 122 Prog Input RT 0 1 1 Installer Select the function for the programmable RT input 124 Prog Output 1 0 10 4 Installer Select the function for pro grammable output 1 125 Prog Output...

Страница 85: ...fter which a module is started 144 Hyst Up Quick Stop 0 0 72 40 14 4 8 F C Installer Set the fast hysteresis up after which a module is stopped 145 Hyst Up Stop All 0 0 108 60 18 10 F C Installer Set...

Страница 86: ...4 F C Installer Set the fast hysteresis up after which a boiler is stopped 165 Hyst Up Stop All 0 0 108 60 14 8 F C Installer Set the hysteresis up at which all boilers are stopped 166 Number of boile...

Страница 87: ...differential has been exceeded 3 Factory 180 Sec 1 255 Sec 15 ERROR INFORMATION Errors can be divided in three groups Manual reset locking errors can only be reset by the reset button Blocking errors...

Страница 88: ...eset BCU or replace BCU and or display unit 9 WRONG_EEPR OM_SIGNA TURE Contents of E2prom is not up to date outdated E2prom reset BCU or replace BCU 10 E2PROM_ ERROR Wrong safety parame ters in E2prom...

Страница 89: ...central heating system or if the boiler itself is leaking also check expansion vessel on internal leak 28 FILL_TIME_ ERROR Filling takes too long If output is pro grammed as filing valve and filling...

Страница 90: ...hrough the unit Check if the system re sistance exceeds the spare capacity of the unit pump 106 REFHI_TOO_HI GH Internal hardware error wrongly pro grammed BCU or PB reset BCU or replace BCU and or di...

Страница 91: ...ircuiting check connection to BCU or check resistance NTC sensor 127 SUP PLY_SHORTED Supply sensor shorted malfunctioning supply sensor or short circuiting check connection to BCU or check resistance...

Страница 92: ...Main supply voltage too high for more than 60 sec onds peak in power supply to boiler check power supply Warnings Error no Error Description Cause Solving 200 CC_LOSS_COM MUNICATION Cascade System Man...

Страница 93: ...f 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...

Страница 94: ...vailable on the control Each wa ter heater must be configured with its own unique address 16 2 2 E2PROM ADDRESS SELECTION THROUGH E2PROM SETTING This setting can be changed on the water heater control...

Страница 95: ...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 setpoint is always provided by the managing water heater...

Страница 96: ...et to 0 water heater rotation is disabled When the parameter Burner_Rotation_Interval is updated the water heater rotation days left will be initialized to the new Burner_Rotation_Interval setting Whe...

Страница 97: ...set to the temperature of the Emergency_Setpoint and all cascaded boilers start burning on this setpoint NOTE the default setting is 122 F 50 C Make sure the right temperature is set Specific Paramet...

Страница 98: ...gh limit error test Simulates the Max_Temp_Error 7 Low water cut off 1 error test Simulates the LWCO_1_ Error 8 Low water cut off 2 error test Simulates the LWCO_2_ Error Before running the system tes...

Страница 99: ...vent situated inside the water heater This vent is always open and the venting outlet goes via a plastic tube through the bottom to the outside Shortly after putting the water heater into operation c...

Страница 100: ...e water 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...

Страница 101: ...urns out to be incorrect The gas valve has been re placed Gas conversion to propane Prior to adjustments follow the procedure in 18 5 The venturi has been replaced Prior to adjustments follow the proc...

Страница 102: ...S VALVES DRAWINGS Location of the setting screws High Fire venturi adjustment screw use hex key 4 mm 5 32 Allen wrench Low Fire gas valve adjustment screw Torx T40 High Fire screw 2 Low Fire screw 1 L...

Страница 103: ...counterclockwise 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...

Страница 104: ...one by placing a pro pane orifice between gas valve and venturi By using the cor rect orifice size see table the measured CO2 O2 percent age in the flue gas will already be close to the desired value...

Страница 105: ...Press UP DOWN to change the parameter according to the table and press ENTER 8 To return to the status screen press ESCAPE or MENU 4 times or RESET once In case a CSD kit gas pressure switch kit is mo...

Страница 106: ...ber elbows 30 Air 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...

Страница 107: ...r hardness 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 pipi...

Страница 108: ...he combustion chamber The insulating material on the inside of the burner plate and the rear combustion chamber wall contain Refractory Ceramic Fibers and should never be handled without personal prot...

Страница 109: ...lops Leave the area and move to a location with clean fresh air Seek immediate medical attention if breathing difficulties persist Ingestion Do not induce vomiting Drink plenty of water Seek immediate...

Страница 110: ...erly reassemble and sealed before leaving the job site Gas supply safeties The gas pipes must be checked for gas tightness Also check if the mounting of these pipes is correct safe and not damaged Any...

Страница 111: ...therefore the electrodes become hard and are difficult to bend While bending used electrodes they might break or burst Check the electrode after bending for any tear crack and signs of rust When they...

Страница 112: ...acement Disconnect the wiring and remove the thermostat Tighten the burner door s thermostat with a torque of 2 Nm Reconnect the wiring Burner door gaskets If any part of a gasket has discolored chang...

Страница 113: ...is maintained 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 silicon...

Страница 114: ...ion disk by pushing it to the rear of the wall A click means the fitting is ok Replacement of burner door insulation Removal of the insulation remove electrode remove the defective insulation by slidi...

Страница 115: ...e dirt and dust can be removed with a vacuum cleaner and by flushing the water heater combustion chamber with water Never expose the refrac tory insulation in the back of the combustion chamber to wat...

Страница 116: ...he threaded studs the burner door insulation and or gaskets can be damaged Ensure that the door is well positioned with respect to the threaded studs before pushing it onto the exchanger Keep the burn...

Страница 117: ...Gas Check gas piping test for leaks and signs of aging Record gas pressure and note pressure drop upon start up Record CO2 at high and low fire Visual and Temperature Do visual inspection of all syste...

Страница 118: ...to the end user The user should be made familiar with all safety precautions of the water heater and the installation The user should be instructed that service and maintenance of the water heater is...

Страница 119: ...E93 1801EN171 HWB installation manual 119 22 SPARE PARTS...

Страница 120: ...E93 1801EN171 HWB installation manual 120 68 68 73...

Страница 121: ...4 pcs DIN985 elvz S008 500 003 X X X 21 Air pressure switch DL 2 ET with S clip US E04 000 447 X X X 22 Hose pressure switch E04 007 149 X X X 23 Hose air vent E04 007 148 X X X 24 PVC hose 21x 15 E04...

Страница 122: ...0 229 X X X 58 Main switch E04 016 724 X X X 59 Electronics holder S006 500 002 X X X 60 Gas pipe HWB 299 HWB 399 S003 500 001 X X NA 60 Gas pipe HWB 499 S003 500 002 NA NA X 61 Silicone seal 13x5 sel...

Страница 123: ......

Страница 124: ...ributor Supplier Eco King Heating Products Inc Unit 105 2455 192nd Street Surrey BC Canada V3S 3X1 ecokingheating com Manufacturer Eco Heating Systems Groningen B V Rigaweg 10 9723 TH Groningen The Ne...

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