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Summary of Contents for Lochinvar LGL 30 G CE and PG CE
- Page 1 Knight Low NOx Gas Fired Single Flue Water Heater with Pilot Ignition Installation, Commissioning, User & Maintenance Instructions Models: LGL 30 G CE and PG CE LGL 40 G CE and PG CE LV 313094 | October 2018...
- Page 2 IMPORTANT INFORMATION These instructions must be read and understood before installing, commissioning, operating or maintaining the equipment.
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Page 3: Preface
Lochinvar Lochinvar accepts no liability for claims from Ltd.. third parties when: Lochinvar Ltd. reserves the right to modify •... -
Page 4: Contact Information
in accordance with the relevant requirements of This manual has two parts: the Gas Safety Regulations, Building Regulations, • An User part that describes the correct usage I.E.E. Regulations and the bylaws of the local of the water heater. water undertaking. •... -
Page 5: Table Of Contents
Safety........10 Danger Safety instructions......10 Obey the danger instructions to prevent danger Instructions on the water heater..11 of serious personal injuries or death, and Safety devices........ 12 serious damage to the water heater. Environmental aspects..... 12 6.4.1 Recycling........12 Document identification 6.4.2 Disposal......... -
Page 6: User Part
2. Water inlet 3. Tank 4. Outer door 5. Gas control valve 2 Safety Lochinvar cannot be held responsible for damages or injuries which can be lead back to: • Failure to follow the instructions provided in this manual. •... -
Page 7: Operation
must be available for the user and service Note engineer at all times. Regular maintenance extends the service life of the water heater. To determine the correct Warning service interval, the service and maintenance engineer must do a check on both the water If you smell gas: and gas side of the water heater three months after installation. -
Page 8: Temperature Control Knob
To prevent that the water in the system freezes, Symbol Explanation the frost protection is activated when the water Water heater is activated, the heater is in OFF mode. The frost protection pilot flame burns (frost starts when the temperature of the water drops protection). -
Page 9: Temperature Setting
4.1.1 Temperature setting through an heat exchanger. The water heater has an open flue gas discharge connection. Use the temperature control knob to set the 5.2 Working principle temperature: Position 1 = approximately 40°C • Cold water enters the tank through the water Position 2 = approximately 47°C •... -
Page 10: Safety
Fig. LGL water heater Warning Installation, maintenance and service must be carried out by a qualified engineer in compliance with the general and local regulations imposed by the gas and water supply companies and the fire brigade. The appliance may only be installed in a room that complies with the requirements stated in national and local ventilation regulations (see Caution... -
Page 11: Instructions On The Water Heater
6.2 Instructions on the Also the packaging has some safety instructions: water heater • The text "Read the installation instructions before installing the appliance". • The text "Read the user instructions before The water heater has some safety instructions on putting the appliance into operation". -
Page 12: Safety Devices
97°C. the pressure exceeds 7 bar. 1- All installations have a T&P valve connection. Lochinvar recommends to use a T&P valve. 6.4 Environmental aspects Old end-of-life appliances contain materials that need to be recycled. When you discard devices at the end of their service life, you must obey local 6.4.1 Recycling... -
Page 13: Water Heater
Fig. Components water heater For more safety instructions, refer to Safety instructions (see 6.1). 8.1 Packaging Lochinvar recommends to unpack the water heater at or near its intended location. Remove the packaging material carefully to prevent damage to the water heater. -
Page 14: Water Composition
8.2.3 Water composition 8.2.5 Placement of the water heater The water must comply with the regulations for drinking water for human consumption. Before you install the water connections and gas connections, place the water heater on the Water composition correct position and make sure that the water Hardness >... -
Page 15: Water Connections
Use this installation diagram when you: Note Make sure that the circulation pump has the • install the water connections (see 8.4) correct capacity for the length and resistance of • install the gas connection (see 8.5) the circulation system. •... -
Page 16: Flue Gas Discharge
5. Place the T.R.S. wiring in the cable duct. 8.6 Flue gas discharge 6. Close the cable duct. Caution Caution It is not allowed to make changes to the flue Make sure that the T.R.S. sensor does not have gas discharge or to apply casings on it. sharp kinks. -
Page 17: Burner Pressure
Fig. Set nominal load of the gas burner 5. Open the valve of the inlet security group (2) in the cold water supply pipe (A). Cold water flows into the water heater. 6. Fill the water heater until cold water flows out of all opened draw-off points. -
Page 18: Maintenance
Use the pressure gauge to read the gas temperature. supply pressure and compare it with the value from the appendix Gas details (see To determine the correct interval, Lochinvar 12.4). recommends to do a system check on both the d) Disconnect the pressure gauge. -
Page 19: Inspect The Inlet Security Group
If necessary, use a descaling agent to remove anode is consumed for 60 % or more, replace the scale and contamination from the tank. the anode. Contact Lochinvar for advice on what descaling agent to use. Note 10.3 Gas-side maintenance If the anode needs to be replaced, always use an anode of the same type. -
Page 20: Clean The Combustion Chamber
8. Loosen the two bolts to disconnect the burner 5. Use a wrench to tighten the thermocouple from the combustion chamber. (max. 1/4 turn clockwise, it only needs to make contact). Fig. Loosen the bolts 6. Connect the pilot pipe to the gas control valve. -
Page 21: Thermal Reflux Safeguard)
Fig. Reset the safety thermostat When the water temperature is below 45°C: 1. Turn on the water heater (see 8.7.3), because the main burner and the pilot burner are OFF. 2. Turn the temperature control knob to a lower position (see 4.1.1) and test if the pilot flame remains on. -
Page 22: General Errors
11.2 General errors Indication Cause Measure Gas smell There is a gas leak. Close the main gas valve at once. Do not operate any switches. No naked flames. Ventilate the boiler room. Immediately contact your installation engineer or your local gas company. Insufficient or no hot Contaminated pilot burner. - Page 23 Indication Cause Measure Insufficient or no hot Temperature set too low. Turn the temperature control knob to a water - Pilot flame is on higher position. Thermocouple is broken. Replace thermocouple. Control knob is in position Turn the temperature control knob to the desired position (preferably position 4).
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Page 24: Appendices
12 Appendices 12.1 Technical details Description Unit LGL 30 LGL 40 Capacity Empty Weight Maximum floor load Maximum operating pressure kPa (bar) 800 (8) 800 (8) Control thermostat - adjustment °C 40-70 40-70 range Control thermostat - °C factory setting Number of anodes Heating time ΔT = 45 °C min. -
Page 25: Ecodesign Details
12.3 EcoDesign details Description Unit LGL 30 LGL 40 Declared load profile Load profile Energy efficiency class (energy label) Energy efficiency Daily electricity usage Daily fuel consumption kWh GCV 20.869 32.023 Mixed water 40°C (V40) Additional load profile Load profile Energy efficiency class (energy label) Energy efficiency 0313094_LGL 30/40_UKUK_V1.0, 18-10-2018... -
Page 26: Gas Details
Description Unit LGL 30 LGL 40 Daily electricity usage Daily fuel consumption kWh GCV Mixed water 40°C (V40) 12.4 Gas details Description Unit LGL 30 LGL 40 Gas category 2H (G20) Diameter main orifice 2.55 3.00 Diameter orifice pilot burner 2 x 0.27 2 x 0.27 Nominal load... - Page 27 Description Unit LGL 30 LGL 40 -emission mg/kWh Mass flow rate flue gases kg/h (nominal load) Flue gas temperature °C (nominal load) Gas category 3+ (G31) Diameter main orifice 1.45 1.50 Diameter orifice pilot burner 2 x 0.16 2 x 0.16 Nominal load (Gross) Nominal output...
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Page 28: Declaration Of Conformity
12.5 Declaration of conformity Installation, Maintenance and Service part... -
Page 29: Warranty
Lochinvar Ltd., following verification, and at 8. The water heater is connected to a protected the sole discretion of Lochinvar Ltd., an assembly cold supply arrangement, which is: approved or part (with exclusion of the tank) proves to be by the relevant authority;... - Page 30 Article 5: Scope of the warranty The obligations of Lochinvar Ltd. pursuant to the specified warranty 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 accepted by Lochinvar Ltd.
- Page 32 Lochinvar Ltd reserves the right to change 7 Lombard Way, The MXL Centre, Banbury, Oxon, OX16 4TJ specifications without prior notice Tel: +44(0) 1295 269 981, Fax:+44(0) 1295 271 640, Email: info@lochinvar.ltd.uk www.lochinvar.ltd.uk...
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