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Ins
truction manual

CHA

11.3 CHA Troubleshooting table for general errors

Warning

Maintenance may only be performed by a qualified service and maintenance engineer.

General faults and failures

Feature

Cause

Measure

Comment

Gas smell

Gas leak

Warning

Close the main gas valve at once.

Warning

Do not operate any switches.

Warning

No naked flames.

Warning

Ventilate the boiler room.

Warning

Immediately contact your installation engineer or local gas

company.

Water leakage

Leakage from a water

connection (threaded)

Tighten the threaded connection

If the leak persists, consult your installation engineer

Leakage from another

nearby water water

heater or pipe segment

Trace the leak

Leakage from the water

heater tank

Consult the supplier and/or manufacturer

Condensation

Before drawing off (too much) hot tap water, wait until the water in

the heater has reached the set temperature.

Explosive ignition

Poor flame profile

Incorrect supply

pressure and/or burner

pressure

Set the correct supply pressure and/or burner

pressure.

(3.11 "Checking the supply pressure and burner

pressure")

If ignition is not improved, consult your installation engineer.

Contaminated burner

Clean the burner(s)

(12.4.2 "Clean the burner(s)")

Contaminated orifice

Clean the orifice(s)

(12.4.3 "Clean the orifice(s)")

Inadequate air supply

Improve the air supply by better ventilating the boiler room.

Содержание CHA 100 CE

Страница 1: ...ation Commissioning User Maintenance Instructions High Efficiency Water Heaters and Boilers Charger Direct Gas Fired Floor Standing Water Heater with Automatic Pilot Ignition Models CHA 100 G CE and P...

Страница 2: ...Lochinvar Ltd 7 Lombard Way The MXL Centre Banbury Oxon OX16 4TJ www lochinvar ltd uk High Efficiency Water Heaters and Boilers Tel 44 0 1295 269 981 Fax 44 0 1295 271 640 Email info lochinvar ltd uk...

Страница 3: ...rs Liability The supplier accepts no liability for claims from third parties arising from unauthorised use use other than that stated in this manual and use other than in accordance with the General C...

Страница 4: ...4 Instruction manual CHA gis...

Страница 5: ...onnections 23 3 8 Gas connection 24 3 9 Flue gas discharge 25 3 10 Electrical connection 26 3 11 Checking the supply pressure and burner pressure 29 4 Conversion to a different gas category 33 4 1 Con...

Страница 6: ...riod 51 11 Errors 53 11 1 Introduction 53 11 2 Error conditions 53 11 3 CHA Troubleshooting table for general errors 54 11 4 CHA Troubleshooting table no hot water 55 11 5 CHA Troubleshooting table In...

Страница 7: ...ater 1 2 What to do if you smell gas Warning If you smell gas No naked flames No smoking Avoid causing sparks Do not use any electrical equipment or switch i e no telephones plugs or bells Open window...

Страница 8: ...ter heater is not intended to be used by children Always supervise children and ensure that they do not play with the water heater 1 5 Maintenance A service should be carried out at least once a year...

Страница 9: ...chapter describes how to fill the water heater Draining This chapter describes how to drain the water heater The control panel This chapter describes the appliance s control panel and how to use it St...

Страница 10: ...Introduction 10 Instruction manual CHA 1 gis...

Страница 11: ...ode 10 tank 11 heat exchanger 12 inspection and cleaning opening 14 cold water inlet 15 drain valve 16 gas control valve 20 hot surface igniter 21 flame probe 22 chimney flue 24 insulation layer 33 dr...

Страница 12: ...he primary air required for combustion The narrow opening in the orifice causes the gas flow to accelerate This in turn causes a partial vacuum It is this partial vacuum that draws in the air the Vent...

Страница 13: ...obe 2 4 2 Water temperature protection By means of the frost high limit and safety thermostats the burner control monitors three temperatures that are important for safety The table explains the worki...

Страница 14: ...of excessive pressure in the tank This prevents damage being caused to the enamelled coating in the appliance or to the tank A non return valve prevents excessive pressure buildup in the water supply...

Страница 15: ...ut before the appliance may be started up 9 Starting the water heater in particular Packaging Ambient conditions Technical specifications Vented water connections Vented water connections Gas connecti...

Страница 16: ...They are type B11BS 3 3 1 Air humidity and ambient temperature The boiler room must be frost free or be protected against frost The table shows the ambient conditions that must be adhered to for corre...

Страница 17: ...e clearance is less than 100 cm flexible magnesium anodes may be ordered Comment When installing the appliance be aware that any leakage from the tank and or connections can cause damage to the immedi...

Страница 18: ...k the dimensions 3 4 Technical specifications gas data 3 4 3 Gas data and other specifications 3 4 2 General and electrical specifications of any accessories you plan to use 3 4 1 Dimensions of the wa...

Страница 19: ...supply connection external R11 2 R11 2 R11 2 R11 2 R11 2 R11 2 R11 2 R11 2 2 Hot water outlet connection internal Rp11 2 Rp11 2 Rp11 2 Rp11 2 Rp11 2 Rp11 2 Rp11 2 Rp11 2 3 Gas control connection inte...

Страница 20: ...1 70 1 75 2 25 1 Blank plate 2 Burner pressure regulator 3 High low control 1 2 or 3 1 1 1 1 1 1 1 3 G30 30 mbar butane Nominal load gross calorific value kW 33 9 42 2 53 4 59 2 80 8 100 1 127 5 140 3...

Страница 21: ...ory 4 stop valve recommended 5 non return valve mandatory 6 circulation pump optional 7 top to bottom circulation pump optional 9 drain valve 10 manual gas valve mandatory 11 service stop valve mandat...

Страница 22: ...raw off pattern fit a shunt pipe 22 mm a stop valve 11 and a top to bottom circulation pump 7 2 Fit a non return valve 5 3 Fit a stop valve 11 3 6 3 Hot water side See B in the installation diagram 3...

Страница 23: ...llation diagram 1 Fit an approved stop valve 4 on the cold water side as required by the applicable regulations 1 3 Regulations 2 The maximum working pressure of the water heater is 8 bar Because the...

Страница 24: ...valve 5 after the circulation pump to guarantee the direction of circulation 3 Fit two stop valves for servicing 4 4 Connect the circulation piping to the T piece on the drain valve 9 as per the drain...

Страница 25: ...0 5 metres length to the opening of the draft diverter before fitting the rest of the chimney materials according to current regulations 1 3 Regulations Installing the draught diverter Comment Use fl...

Страница 26: ...l N to the neutral of the appliance Note There must also be no potential difference between neutral N and earth Contact the supplier if this is the case For more information or to order this isolating...

Страница 27: ...Leave the water heater electrically isolated until you are ready to commission it 1 Feed the power cable through the metric strain relief in the top of the control column 2 Connect the earth live L1...

Страница 28: ...terminal that is switched when an error is detected Devices e g one or more lights can be connected to this in order to signal the fault max 250V 10A The device or devices may be connected in either...

Страница 29: ...check the supply pressure and burner pressure Comment The easiest way to check the gas pressures is by using two pressure gauges This procedure assumes that these two gauges are available Gas control...

Страница 30: ...n the gas supply and bleed the air from the mains gas supply via test nipple 6 5 Connect a pressure gauge to the manifold test nipple 6 when gas starts to flow from this nipple 6 Switch on the power t...

Страница 31: ...lator the pressure can be adjusted 3 11 2 Adjusting the pressure 3 11 2 Adjusting the pressure 1 Remove the cap 2 from the burner pressure regulator 2 Depending on the correction required correct the...

Страница 32: ...Installation 32 Instruction manual CHA 3 is...

Страница 33: ...m gas or natural gas or other gas category other than that for which the appliance has been configured at the factory then the appliance will have be adapted using a special conversion kit Note You mu...

Страница 34: ...Use a suitable tool to remove the retaining strips 2 Note that the retaining strips have very sharp edges Withdraw the retaining strips straight upwards Comment The radiation shield condensation tray...

Страница 35: ...3 Gas data then the gas control must be fitted with a blank plate with cork gasket A burner pressure that deviates in comparison to the supply pressure requires the use of a burner pressure regulator...

Страница 36: ...ing plate This clearly indicates that the appliance may no longer be run on the gas for which it was originally supplied 15 Start the appliance 9 Starting the water heater 4 2 Conversion of CHA 700 to...

Страница 37: ...rry out steps 1 through 9 4 1 Conversion of CHA 100 to 600 to another gas category 2 Detach the high low control 9 Legend Unused numbers are not applicable 4 timers 5 bracket 6 6 contact terminal stri...

Страница 38: ...rsion set Attach the burner pressure regulator to the gas control using the two small screws supplied 7 Installing and removing add on components Legend Unused numbers are not applicable 4 timers 5 br...

Страница 39: ...rry out steps 1 through 9 4 1 Conversion of CHA 100 to 600 to another gas category 2 Detach the burner pressure regulator 1 3 Fit the high low controller 9 including the sealing gasket from the conver...

Страница 40: ...Conversion to a different gas category 40 Instruction manual CHA 4 is...

Страница 41: ...pump optional 7 top to bottom circulation pump optional 9 drain valve 10 manual gas valve mandatory 11 service stop valve mandatory 12 temperature gauge recommended 14 draw off points 15 expansion val...

Страница 42: ...is defective or incorrectly fitted The water supply pressure is greater than the specified 8 bar Rectify this by fitting a pressure reducing valve 1 The expansion valve in the protected cold supply se...

Страница 43: ...pump optional 7 top to bottom circulation pump optional 9 drain valve 10 manual gas valve mandatory 11 service stop valve mandatory 12 temperature gauge recommended 14 draw off points 15 expansion va...

Страница 44: ...valve 9 7 Bleed the appliance or installation so that it drains completely 6 2 Draining vented installations Some service activities require the water heater to be drained The procedure is as follows...

Страница 45: ...See Operating modes The appliance remains live even when in the OFF mode This ensures that the frost protection remains activated Comment To isolate the appliance electrically you must use the isolato...

Страница 46: ...l then automatically start up again if there is demand If this is not the case please consult the error condition summary 11 Errors Comment The draught diverter may be hot Flue gas thermostat reset bu...

Страница 47: ...6 Weekly timer circuit the green LED is illuminated Comment If no week timer is installed the II mode is the same as the 0 mode OFF In this mode the frost protection is activated The isolator is set t...

Страница 48: ...ause the appliance must be returned to service by pressing the reset button 7 6 Burner control reset button Blocking errors You can recognise this condition from the fact that the appliance does not s...

Страница 49: ...The heating cycle runs successively through the following states 1 HEAT DEMAND 2 WAITING TIME 3 PRE GLOW 4 IGNITION 5 RUNNING 6 WAITING TIME The complete cycle is explained in the example set out bel...

Страница 50: ...Starting the water heater 50 Instruction manual CHA 9 gis...

Страница 51: ...frost protection to prevent water freezing in the appliance Activate frost protection by switching the ON OFF switch on the control panel to the 0 position 10 3 Isolating the appliance from the mains...

Страница 52: ...Shutting down 52 Instruction manual CHA 10 gis...

Страница 53: ...art the appliance Lockout error from the flue gas thermostat When this happens the red LED on the control panel will be illuminated The burner control is locked out After eliminating the cause the app...

Страница 54: ...installation engineer Leakage from another nearby water water heater or pipe segment Trace the leak Leakage from the water heater tank Consult the supplier and or manufacturer Condensation Before dra...

Страница 55: ...making contact with the water Break in one of the cables Anode poorly earthed 3 Check to see that all connections have been made properly 4 Check that the Power Anode is properly connected see Electri...

Страница 56: ...ere is power to the burner control 5 Check fuse in the burner control The measured voltage must be 230 VAC 15 10 See the electrical diagram 14 Electrical diagram If the error cannot be rectified conta...

Страница 57: ...ck that the gas valve is open Check whether the gas control is opening clicking of the gas control Check the leads of the gas control 2 No ignition Check whether the hot surface igniter lights up Chec...

Страница 58: ...ol thermostat to a higher value Hot water supply is used up 1 Reduce hot water consumption and give the water heater time to heat up 2 If this error persists check whether the high limit thermostat is...

Страница 59: ...e control thermostat note the original setting to the highest position and put the ON OFF switch back to position I 3 If there is no demand draw some hot water off to create demand 4 Check whether the...

Страница 60: ...connector on the appliance 12 3 3 Descaling and cleaning the tank Scale and lime build up prevent effective conduction of the heat to the water Periodic cleaning and descaling prevents build up of the...

Страница 61: ...lid with a torque no greater than 50 Nm Use suitable tools for this To seal the cleaning opening properly we recommend tightening the bolts in the sequence shown in the diagram 12 4 Gas side maintenan...

Страница 62: ...fles from the appliance 2 Check the flue baffles for rust and remove any which is present 3 Check the flue baffles for wear and replace any worn flue baffles 4 Place a new sealing ring on the rim of t...

Страница 63: ...any relevant requirements of the local gas distributor and local authority b The water heater remains installed at the original site of installation c The water heater is used exclusively with drinki...

Страница 64: ...anty are limited to free delivery from the warehouse of the replacement assemblies parts or water heater respectively Labor installation and any other costs associated with the replacement will not be...

Страница 65: ...n manual CHA 65 is 14 Electrical diagram 14 1 Introduction This section gives the electrical diagrams for Electrical diagram for CHA 100 to 700 natural gas CHA 100 to 600 LPG Electrical diagram for CH...

Страница 66: ...4 N 230V AC L 50Hz N N N O C P A H G J P O 2 N N L L I N N Q I 0 II 4 K L M L L L L 1 2 3 4 M R1 12 1 2 3 4 5 13 14 15 L2 3 L 4 12 12 1 4 1 1 4 2 1 2 1 4 4 4 3 3 3 4 3 11 B 1 C 4 3 12 4 3 11 12 4 N T...

Страница 67: ...of thermostat circuit GV1 Phase output to gas control MAX Phase input to safety thermostat LG Phase output to hot surface igniter I Ionisation detection output NO Normal open P Phase input to alarm NC...

Страница 68: ...L N H N 1 G HOT L A G N X FACE SUR M I FUSE F1 P 2 1 L1 3 4 N 220 240V AC L 50Hz N N N O C P A R Q 2 N N L L I N N S I 0 II 4 M N O L L L L 1 2 3 4 M R1 12 1 2 3 4 5 13 14 15 L2 3 L 4 NO P NC 8 7 N L...

Страница 69: ...ircuit GV1 Phase output to gas control MAX Phase input to safety thermostat LG Phase output to hot surface igniter I Ionisation detection output NO Normal open P Phase input to alarm NC Normal closed...

Страница 70: ...Electrical diagram 70 Instruction manual CHA 14 is...

Страница 71: ...ndards used EN55014 1 1993 EN55014 2 1997 EN61000 3 2 1995 EN61000 3 3 1995 EN50165 1997 March 1 2012 EEC Declaration of Conformity Supplier hereby declares that the following products Product descrip...

Страница 72: ...Declaration of Conformity 72 Instruction manual CHA 15 is...

Страница 73: ...stallation diagram 21 installation engineer 8 9 isolator 27 J join circulation pipe 23 24 cold water side 22 23 electrical 26 27 gas 24 hot water side 23 shuntleiding 22 23 L liability 3 M mains power...

Страница 74: ...0310 569 1 0 UK Index Instruction manual CHA...

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