Trianco Aztec Classic WM Maxi Combi Manual del propietario

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

CONTENTS PAGE

Health and safety 3

Pre-Installation Notes 4

After Sales Service 5

Safety Notes 6

User Instructions 7-8

Fault 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

HEALTH AND SAFETY

INFORMATION FOR THE USER, INSTALLER AND SERVICE ENGINEER

Under the Consumer Protection Act 1987 and the Health and Safety at Work Act 1974, it is a requirement to provide

information on substances hazardous to health (COSHH Regulations 1998).

TR Engineering takes every reasonable care to ensure that its products are designed and constructed to meet these safety

requirements when the products are properly installed and used. To fulfil the requirements, products are comprehensively

tested and examined before despatch.

When working on the appliance, it is the responsibility of the user or engineer to ensure that personal protective clothing or

equipment appropriate to parts that could be considered hazardous or harmful is worn.

This appliance may contain some of the items below:

Insulation and Seals

Glass rope, mineral wool, insulation pads, ceramic fibre, and glass insulation.

When handling, avoid inhalation and 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 should be followed by immediate cleansing of

the affected areas and medical attention if necessary.

Glues, Sealants and Paints

The glues, sealants and paints used present no known hazards when the appliance is used in the manner for which it is

intended.

Notes:

a) Electrical safety checks should be carried out by a competent person.

b) It is a requirement of the guarantee and any extended warranty that an annual service is carried out by a competent

person.

Installation Engineers Signature

Company Name (if applicable)

Company Address

Company Tel. No.

Please read these instructions fully before installing this appliance.

If in doubt seek expert advice

These instructions should be kept in a place close to the appliance for easy reference.

IMPORTANT PRE-INSTALLATION NOTES

By Fitting this Aztec Maxi Combination boiler, you agree:

 The Boiler has been received in good condition.

 You have carried out a heat loss calculation and are sure that this boiler is suitable.

 You have checked that the hot water flow rate is sufficient for the application.

 You have carried out a load and voltage test to determine the correct size of breaker to be used.

 You meet the requirements of the appropriate Building Regulations

Before installation, it is imperative that the following guidelines are heeded to ensure the trouble-free and efficient

operation of the boiler:

Ventilation and Siting

When siting the boiler in a confined space it is essential that adequate ventilation be provided. This will ensure that air can

circulate freely around the appliance keeping down the ambient temperatures. Refer to Ventilation requirements (Page 11)

for further details.

Ensure that the area surrounding the boiler is kept free of items which would impede the good ventilation of the appliance

(e.g., towels, linen, etc).

When siting the boiler, consider the potential requirement for future servicing. Enough space should 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 premises must meet the minimum requirements of the unit being installed, with special attention

paid to the supply current, cable size, and RCD recommendation. The supply voltage to the appliance must never drop below

207 Volts.

System

Isolation valves (supplied) must be fitted on both the flow and return pipe work. These are useful as from time to time the

boiler may require draining of water, and the lengthy drawing-off process can be avoided by the astute placement of these

valves.

Ensure that any isolation valves are open before first use, and that the system is full of water.

IMPORTANT:

General Information:

To keep your boiler running efficiently DO NOT OBSTRUCT OR COVER any ventilation air inlet on the appliance or the

compartment where it is installed.

To keep the casing clean, switch ‘OFF’ the boiler at the electrical supply, and simply wipe with a damp cloth. DO NOT use

abrasive cleaning fluids as this may damage the stove enamel paintwork.

TR ENGINEERING LTD CUSTOMER AFTER SALES SERVICE INFORMATION

The boiler comes with a standard 1 Year warranty, this is automatically extended to 2 years free of charge providing the

boiler is registered within 30 days from the date of installation. Either by filling in warranty card if one has been provided or

online at: www.trianco.co.uk/product-registration

Please note you will require the full boiler serial number to be able to register the boiler. The serial number is located on the

right-hand side of the boiler.

A step-by-step guide to reporting a fault with your appliance

A qualified field SERVICE ENGINEER is available to attend a breakdown or manufacturing fault occurring whilst the appliance

is under warranty.

The appliance must be made available for service during normal working hours, Monday to Friday (no weekend work or bank

holidays accepted).

A charge will be made where:

 Our Field Service Engineer finds no fault with the appliance.

 The cause of a breakdown is due to other parts of the plumbing/heating system or with equipment not supplied by

TR Engineering Ltd.

 Where the appliance 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 thoroughly check all his work PRIOR to requesting a

service visit from TR Engineering LTD.

Step 2: If your appliance has developed an in-warranty fault your installer should contact TR Engineering LTD for

assistance from site.

What happens if my Installer/engineer is unavailable?

Step 3: Contact TR Engineering LTD. We will provide you with the name and telephone number of our Service Agent.

However, a charge may apply if the fault is not covered by the appliance warranty (payment will be requested on site by our

independent Service Agent).

PLEASE NOTE: UNAUTHORISED INVOICES FOR ATTENDANCE AND REPAIR WORK CARRIED OUT ON THIS APPLIANCE BY ANY

THIRD PARTY WILL NOT BE ACCEPTED BY TR ENGINEERING LTD

SERVICE CENTRE AND TECHNICAL SUPPORT

Tel: 0114 257 2300 Fax: 0114 257 1419

Hours of Business

Monday to Thursday 8.30am - 5pm

Friday 8.30am - 2.30pm

IMPORTANT SAFETY NOTES

INTRODUCTION

The Aztec Classic WM Maxi Combination boiler is a wall mounted electric central heating boiler which incorporates an unvented

cylinder and designed with smaller properties in mind. Access is required to the front of the boiler for servicing. Once the boiler

is switched on it is fully controlled by an automatic management system which monitors the safety and running functions of the

boiler. Designed to work on a fully pumped wet system only. The boiler produces hot water by passing water over electric

heating elements housed in an insulated heat exchanger.

The boilers incorporate inverter constant temperature technology which automatically adjusts output to match demand.

Read these instructions before installing the boiler.

Always switch OFF the electrical 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, EN55014-2:1997 +A2:2008.

THE PERSON(S) WHO INSTALLS THIS APPLIANCE, SERVICES OR CARRIES OUT ANY REMEDIAL WORK, I.E.

ELECTRICAL FAULT FINDING, MUST HAVE SUITABLE ENGINEERING QUALIFICATIONS.

WARNING: DO NOT SWITCH ON THIS APPLIANCE IF THERE IS ANY POSSIBILITY THAT THE WATER MAY BE

FROZEN.

THE INSTALLATION OF THIS APPLIANCE MUST MEET THE REQUIREMENTS OF THE CURRENT ISSUE FOR

ELECTRICAL INSTALLATIONS IEE WIRING.

THIS BOILER INCORPORATES AN UNVENTED CYLINDER. UNVENTED CYLINDERS ARE A CONTROLLED

SERVICE AS DEFINED IN THE LATEST EDITION OF THE BUILDING REGULATIONS AND SHOULD ONLY BE

FITTED BY A COMPETENT PERSON.

USER INSTRUCTIONS

The Trianco Aztec Maxi Combination boiler has been designed and constructed to give years of trouble-free service and these

instructions are provided to assist you in obtaining the best performance with the least trouble and cost.

The boiler is fully automatic in operation and requires little attention other than the setting of the thermostat and any external

system controls such as a room thermostat.

IMPORTANT

DO NOT COVER OR BOX IN YOUR BOILER WITHOUT MAKING SUITABLE PROVISION TO ALLOW AIR TO CIRCULATE FREELY

AROUND THE APPLIANCE

WARNING: DO NOT ATTEMPT TO SWITCH ON THE BOILER IF THERE IS ANY POSSIBILITY THAT THE WATER INSIDE THE HEAT

EXCHANGER IS FROZEN

Before turning the boiler on, ensure the system is full of water and all valves fitted to the system are open.

Switch on the power supply, the display will illuminate. Observe any error codes – Refer to table on Page 9.

Boiler Multi-Function Display

Press ON/OFF button to turn boiler on from Standby. Power symbol illuminated.

Setting Boiler Heating Thermostat

With the Power symbol and Heating symbol illuminated (Boiler producing Heat for the Heating circuit)

Press the UP/Down key to adjust 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. Alternatively, any programable room thermostat capable of volt free switching can be used.

Once a call from the external thermostat is received by the boiler, TC will illuminate on the display and the heating symbol will

flash on the boiler display. The power band should rise and fall.

Summer Mode

Pressing the ON/OFF button to put the boiler into standby will allow the boiler to operate in DHW mode only

Domestic Hot Water return difference Temperature setting

In standby press the mode key once, screen shows LH, press UP/DOWN key to choose temperature differential between 5°C -

30°C Press Confirm to save. 5°C differential is recommended

Setting Domestic Hot Water (DHW) On/Off times and Temperature.

This must be set when the boiler is commissioned to obtain hot water.

Repeatedly pressing the TIME button will cycle between Hours, Minutes and DHW Temperature through 3 On/Off periods.

Each parameter can be changed using the UP/DOWN keys. It is recommended the DHW is set at 75°C

USER INSTRUCTIONS

Turning the DHW timer ON/OFF

Press and hold the time key until all three clocks flash, Press the confirm key when clocks are visible to turn on the in-built

programmer or press the confirm key when all three clocks are not visible to turn the in-built timer off.

Domestic Hot Water return difference Temperature setting

In standby press the mode key once, screen shows LH, press UP/DOWN key to choose temperature differential between 5°C -

30°C Press Confirm to save. 5°C differential is recommended.

The boiler is supplied with a thermostatic blending valve which must be fitted on the Hot water outlet and adjusted

accordingly at the time of commissioning.

Initial domestic hot water flow rates of 10l/min will produce 130l of water blended at 40°C, a lower flow rate of 5l/min will allow

for more hot water to be drawn. Hot water volume will be affected by cold water supply temperature, flow rate and boiler

temperature setting.

In Standby Mode

Setting Day of Week

Press Mode Five times – Day 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 locked until “CONFIRM” is pressed again for 5 seconds

Frost Protection

In Standby the boiler will monitor the real time water temperature.

If the water temperature is < 5°C the boiler will run automatically until the water temperature has reached 15°C. The heating

element will turn off, the pump will continue to run for 5 Minutes.

Cleaning Casings

Use hot soapy water applied with a damp cloth for the enamel, then dry with a soft dry cloth.

Simple Maintenance

Ensure that the natural ventilation around the boiler is not obstructed. If fitted in a compartment, ensure all ventilation grilles

are clear.

The boiler has built in over temperature protection. If the water temperature exceeds 140°C the limit thermostat will activate,

and the screen will be blank. The thermostat will require re-setting by a qualified person.

FAULT FINDING

Information codes

Code

Protection Function

Description

E2 Current leakage Moisture on circuit board or the boiler

has condensation internally

Qualified engineer to remove cover

and dry/inspect circuit board

E3 Water temperature sensor Sensor is short circuit or open circuit Check sensor connection. Check

sensor cable and replace if required

E5 DHW temperature sensor Sensor is short circuit or open circuit Check sensor connection. Check

sensor cable and replace if required

E6 Neutral Fault Check Neutral Connection

E9 Antifreeze fault Heating water temperature is too low If the pipework is frozen the boiler

will not be able to work.

Display Disconnected with

PCB

Display Disconnected with PCB Check whether the cable between

the display and the PCB is broken or

whether the plug is loose.

F1 Dry Fire Protection No water flow

DHW Temperature set above 70 Degree

Fill system and vent. Press and hold

TIME key for 6 seconds to re-set

Lower Temperature to 70 Degree

F4 Low Water Pressure System is low on water Fill to correct pressure using filling

loop

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 up. Check whether the leakage

protector is damaged and replace

it.

Check whether the heater has

leakage,

Check whether there is leakage

situation in the external input

power wires

Dry burning temperature

controller trip

Display screen does NOT light up. Check whether the temperature

controller trips. If it trips, press the

reset button.

Check whether the waterway is

blocked. Clean and unblock the

pipeline.

Check the flow of water pump.

No heating Equipment temperature does NOT rise. Water temperature setting too low.

2.Indoor temperature control

setting too low.

No Hot Water

Power Band working Check High Limit Thermostat on

DHW Heat Exchanger

Check 3 port valve is operating.

Blank Display High Limit Thermostat has tripped Check High Limit Thermostat on

main Heat Exchanger

INSTALLATION

Regulations

Installation of the boiler must comply with the following British Standards and Regulations:

BS5449 – Forced circulation hot water central heating systems.

BS7074-Part 1: Code of practice for sealed water systems.

The Building Regulations: Part ‘L’ (Northern Ireland)

Current I.E.E. Regulations

Local water undertaking By-laws.

This boiler incorporates an Unvented Cylinder. Unvented cylinders are a controlled service as defined in the latest edition of

the building regulations and should only be fitted by a competent person.

England and Wales - Building Regulations G3

Scotland – Technical Standard P3

Northern Ireland – Building Regulation Part F

Health and Safety at Work Act

The installer should be aware of his responsibilities under the Act and provide where necessary, appropriate protection for

persons carrying out the installation. In the interests of safety, a competent engineer should install the boiler and all wiring must

be carried out in accordance with current IEE regulations.

IMPORTANT

ALL ELECTRICAL WORK MUST BE CARRIED OUT BY A 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 required to the front of the boiler for servicing.

The boiler must also be fitted in a dry well-ventilated position, which is not subject to adverse temperature conditions. (See

ventilation requirements).

Care should be taken when siting the appliance to make sure adequate access is available for future servicing of the appliance.

Please note that the PCB and heat exchanger assembly may require removal during such times.

The front cover is held in position by four Phillips Head screws, two at the top and two at the bottom. Clearance at the top and

bottom of the boiler should be adequate to allow access with a small Phillips screwdriver.

When removing the cover please unplug the cable between the display and main circuit board.

The boiler must be mounted on a suitable wall capable of bearing the weight of the boiler.

Utilise all 6 fixing points on top and bottom fixing brackets.

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