Trianco Aztec Classic WM Maxi Combi Installation, Operation And Servicing Manual Download Page 1

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Aztec Classic WM

Maxi Combi

INSTALLATION, OPERATION AND

SERVICING INSTRUCTIONS

PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLING

AND OPERATING THIS APPLIANCE

TO BE RETAINED BY HOUSEHOLDER

Summary of Contents for Aztec Classic WM Maxi Combi

Page 1: ...Aztec Classic WM Maxi Combi INSTALLATION OPERATION AND SERVICING INSTRUCTIONS PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLING AND OPERATING THIS APPLIANCE TO BE RETAINED BY HOUSEHOLDER ...

Page 2: ... Finding Information Codes 9 Installation Regulations 10 Clearance and Ventilation 11 Water System 12 Safety Discharge 13 Temperature and Pressure Relief 14 Expansion Vessel Sizing 15 Pump Information 16 Pipe Work Connections 17 Wiring 18 Commissioning 19 Servicing 20 Technical Details 21 Spares 22 23 Commissioning Report 24 ...

Page 3: ...contact with eyes These may be harmful and cause irritation to the skin eyes nose or throat Use disposable gloves face masks and eye protection After handling wash hands and other exposed areas When disposing of materials limit dust and the risk of inhalation by using water spray Ensure materials are securely wrapped Seek urgent medical attention if inhaled or ingested Exposure to eyes and skin sh...

Page 4: ... be provided at the front of the boiler to enable an engineer to adequately service and or replace items such as the PCB or heat exchanger Space should also be available for the removal of the front casing panel Please refer to siting information Page 11 for clearance dimensions The boiler must be sited vertically and away from strong magnetic fields Power Supply and Wiring The power supply to the...

Page 5: ...liance falls outside the warranty period see terms and conditions enclosed The appliance has not been correctly installed as recommended see installation operating and servicing instructions NOTE Over 50 of all service calls made are found to have no appliance fault What to do in the event of an appliance fault or breakdown Step 1 Always contact your installer in the first instance who must thorou...

Page 6: ...al supply before removing the cover If any part of the boiler is modified then the warranty will be invalidated We recommend that you keep these instructions in a place near your appliance for easy reference The Trianco Aztec Classic WM Maxi Combination Boiler has been designed to conform to European Directive Standards EN60335 1 2002 A15 2011 EN60335 2 35 2002 inc Amd 1 EN55014 1 2006 A1 2009 EN5...

Page 7: ...t the boiler temperature 30 C 80 C Press the confirm key to save Heating return difference Temperature setting In standby press the mode key twice screen shows CH press UP DOWN key to choose temperature differential between 5 C 30 C Press Confirm to save Heating times are controlled by the external programable Wi Fi thermostat supplied see separate instructions for installation and operation Alter...

Page 8: ... of Week Flashes Use UP DOWN keys to set current Day Number 1 7 Press Confirm to store Setting Time Press Mode Three times Hours Flashes Use UP DOWN keys to set hours Press mode again Use UP DOWN keys to set minutes Press Confirm to store Fault Deletion Function When a fault code shows on the display press the Confirm key to clear the fault Child Lock Press CONFIRM for 5 Seconds all keys are locke...

Page 9: ...re to 70 Degree F4 Low Water Pressure System is low on water Fill to correct pressure using filling loop F6 No water Flow Air in the system no water or water pump not working pump is blocked water flow switch blocked water flow switch is faulty Vent system Check system pressure Check pump and flow switch for blockage operation External earth leakage protector trip RCD Display screen does NOT light...

Page 10: ... QUALIFIED ELECTRICAL ENGINEER TO CURRENT IEE WIRING REGULATIONS UNPACKING THE BOILER Carefully open the boiler carton remove boiler and place in a safe place until required NOTE ALWAYS STORE THE BOILER IN A DRY PLACE PRIOR TO FITTING SITING THE BOILER IMPORTANT NOT TO BE INSTALLED IN A SHOWER COMPARTMENT OR BATHROOM Ensure adequate clearance is allowed for making water connections Access is requi...

Page 11: ...end user access VENTILATION REQUIREMENTS If the appliance is to be fitted in a confined space or compartment it is a requirement that adequate ventilation be provided to prevent the overheating of the boiler controls Aeration of 110 cm will be required To the compartment in both high and low positions ...

Page 12: ...BE FITTED Fill the system Vent all air from system Vent Pump Clear any air locks and examine the system for water leaks IMPORTANT ENSURE ALL SERVICE VALVES ARE IN AN OPEN POSITION IMPORTANT THIS BOILER IS TO BE FITTED ON FULLY PUMPED SYSTEMS ONLY WHICH MUST INCLUDE AN AUTO BY PASS VALVE IMPORTANT ALL DOMESTIC HOT WATER OUTLETS SHOULD BE RESTRICTED TO 10L M USING THE FLOW RESTRICTOR SUPPLIED SEALED...

Page 13: ...y from electrical devices The discharge pipework must be routed in accordance with Part G3 of schedule 1 of the Building Regulations The discharge pipe should have A vertical section of pipe at least 300mm long below the tundish Be installed with a continuous fall of at least 1 in 200 thereafter The safety valves will only discharge water under fault conditions The discharge pipe should be at leas...

Page 14: ...to the domestic hot water vessel This must be routed to the outside of the building The 6 bar pressure Relief valve combined isolation valve check valve and 3bar pressure reducing valve strainer and check valve are supplied with the boiler and must be installed into the cold mains inlet pipework to the boiler ...

Page 15: ...emature failure of the expansion vessel which in turn may adversely affect other components in the system i e circulating pump and diverter valve Capacity of Expansion Vessel Where design information is not complete the following chart can be used for selecting the size of the vessel it should be noted that the size given in the table take account of fault conditions Safety valve setting bar gauge...

Page 16: ...r Attention is drawn to the current issue of BS5449 and BS7593 on the use of inhibitors in central heating systems Magnetic Boiler Filter To be fitted in the return pipe work close to the boiler Failure to do so will invalidate the warranty Scale Inhibitor The Aztec Maxi Combination boiler MUST be fitted with an inline scale inhibitor not supplied on the cold feed inlet pipe Failure to do so will ...

Page 17: ...17 Water Connections Pipe Work Layout ...

Page 18: ...NCE MUST BE EARTHED The boiler is supplied with a 3 core flexible cable which should be connected to a suitable isolator capable of handling the rated current input of the boiler See boiler data label or technical details chart for more information IMPORTANT CORRECT POLARITY MUST BE OBSERVED WHEN BRINGING THE MAINS SUPPLY INTO THE BOILER External Controls Control wiring is volt free do not apply 2...

Page 19: ... Overheat it will be necessary to remove the white panel to expose the circuit boards and disconnect the relay board from the main circuit board by separating the white plug The boiler will now operate but not produce any heat Continue with the air removal until satisfied Once the pre heat is complete the boilers internal DHW programmer can be set please see page 8 for details You can set 3 ON OFF...

Page 20: ...ce should include the following 1 Recharging of the expansion vessel 2 Inspection of all electrical connections 3 Testing of boiler thermostats 4 Run boiler in heating and hot water modes to ensure correct operation 5 Check all safety valves to ensure they are not leaking and function correctly 6 Clean system filter 7 Check correct operation of blending valve 8 Clean blending valve filters 9 Recor...

Page 21: ... 50Hz Max Operating Pressure 300 kPa 3 bar Test Pressure 600 kPa 6 bar Minimum HTG Flow Rate 8 l min Boiler Flow Temperature Adjustable between 30 C and 80 C Limit Thermostats Factory set at 140 C CH Flow Return BSP Male DHW Inlet Flow BSP Male Maximum Flow Temp CH 80 C Pressure Gauge 0 4 bar Pressure Relief Valve 3 bar Pump GRUNDFOS UPM3 FLEX AS Expansion Vessel Htg 5Ltr charge 1 5 bar Expansion ...

Page 22: ...2 225012 225012 13 Display Cover 1 225013 225013 225013 14 Grundfos UPM3 Pump 1 15 Heating Limit Thermostat 1 225021 225021 225021 16 Limit Thermostat 85 C 1 17 3 Port Valve 1 18 Main Supply Cable 1 19 Cable Gland 1 225018 225018 225018 20 Boiler Case 1 21 5L Expansion Vessel 1 225022 225022 225022 22 Valve Control Board 1 23 40l Cylinder 1 24 DHW Pipe 1 25 Heating Flow Pipe 1 1 26 Heating Flow Pi...

Page 23: ...23 ...

Page 24: ...the appropriate Building Regulations _________ By signing you agree that you have installed the boiler in accordance with these instructions and that the boiler is working as intended Plumber Signed ________________________ Date __________________________ Electrician Signed ________________________ Date ___________________________ Customer Acceptance I confirm that I have received training and ins...

Page 25: ...eering Limited Copyright in this brochure and the drawings and illustrations contained in it is vested in TR Engineering Limited and neither the brochure nor any part thereof may be reproduced without prior written consent TR Engineering Limited s policy is one of continuous research and development This may necessitate alterations to this specification September 2021 ...

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