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6, 9, 11 & 12kW SYSTEM BOILER
INSTALLATION, OPERATION AND

SERVICING INSTRUCTIONS

Please read these instructions carefully before installing
and operating this appliance
TO BE RETAINED BY THE HOUSEHOLDER

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Summary of Contents for Trianco 6kW

  • Page 1: Servicing Instructions

    6, 9, 11 & 12kW SYSTEM BOILER INSTALLATION, OPERATION AND SERVICING INSTRUCTIONS Please read these instructions carefully before installing and operating this appliance TO BE RETAINED BY THE HOUSEHOLDER...
  • Page 2: Table Of Contents

    CONTENTS PAGE HEALTH AND SAFETY PRE-INSTALLATION NOTES AFTER SALES SERVICE INTRODUCTION IMPORTANT SAFETY NOTES USER INSTRUCTIONS SIMPLE FAULT FINDING TECHNICAL DETAILS INSTALLATION VENTILATION REQUIREMENTS WATER SYSTEM SEALED WATER SYSTEM REQUIREMENTS 11 - 12 WIRING INSTRUCTIONS WIRING DIAGRAMS 14 - 18 SERVICING PART REPLACEMENT 19 - 20...
  • Page 3: Health And Safety

    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.
  • Page 4: Pre-Installation Notes

    These instructions should be kept in a place close to the appliance for easy reference. IMPORTANT PRE-INSTALLATION NOTES 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.
  • Page 5: After Sales Service

    TR ENGINEERING LTD CUSTOMER AFTER SALES SERVICE INFORMATION A step by step guide to reporting a fault with your What to do in the event of an appliance fault or appliance breakdown: A qualified field SERVICE ENGINEER is available to attend a Step 1: Always contact your installer in the first breakdown or manufacturing fault occurring whilst the instance, who must thoroughly check all his work...
  • Page 6: Introduction

    6 kW (20.472 Btu/hr) to 12 kW (41.000 Btu/hr). in a place near your appliance for easy reference. The Trianco Aztec System Wall Mounted 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.
  • Page 7: User Instructions

    If the RED LED light flashes, this means a fault has occurred. This would result in the boiler continuing to The Trianco Aztec System boiler has been designed and operate at a reduced output. constructed to give years of trouble free service and...
  • Page 8: Simple Fault Finding

    Flashing red LED indicates an open circuit. The boiler can still be operated. Your service engineer should be contacted. TECHNICAL DETAILS UNIT AZTEC 6kW AZTEC 9kW AZTEC 11kW AZTEC 12kW Electrical Input Supply Current RCD Rating...
  • Page 9: 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.
  • Page 10: Ventilation Requirements

    VENTILATION REQUIREMENTS Ensure boiler is fitted with flow pipe at top and return pipe at bottom. If the appliance is to be fitted in a confined space or compartment with a potential ambient temperature of The boiler is supplied with Dia. 22mm tail pipes top and 60˚C or more, it is strongly recommended that adequate bottom for connection to system.
  • Page 11: Sealed Water System Requirements

    SEALED WATER SYSTEM REQUIREMENTS System Temperature The installation must comply with the appropriate requirements of the current issue of BS4814, BS5449, The normal running temperature of the system is 75°C, if a BS6798 and BS7074 Part 1 and 2. fault was to occur then the safety device would allow the system temperature to rise to 100°C.
  • Page 12 ALTERNATIVE METHODS OF PUMP FLOW CURVE FILLING A SEALED SYSTEM Fig 9 Fig 8 SEALED SYSTEM Fig 10...
  • Page 13: Wiring Instructions

    BS 7671:2001 The electrical supply requirements: The 6kW boiler supply should meet the requirements of EN61000-3.3. The 9kW and 11kW boiler must be installed in premises having a service supply > 100A per phase and meet the requirements of IEC 60417-5855.
  • Page 19: Wiring Diagrams

    PCB ASSEMBLY REPLACEMENT Note: The PCB is supplied with the element jumper fitted suitable for 11kW and 12kW boilers. When fitted to a 6kW or 9kW boiler, the element jumper must be removed. Ensure electrical supply to the boiler is isolated.
  • Page 20 THERMISTOR REPLACEMENT Disconnect electrical elements and earth wire. Isolate electrical supply to boiler. Disconnect compression fitting top boiler and pump The thermistor is located fixed to top side of the boiler at connection on base of boiler. the side of the high limit thermostat. Remove screws from securing bracket on back of the boiler onto back casing.
  • Page 21: Fault Finding

    FAULT FINDING If there is a break in the element cable, this would show up as a fault. Check all element cables and connections. Red LED permanently illuminated indicates one of the following faults. PCB Running Temperature High limit thermostat has operated or faulty electrical The PCB control unit has a built in temperature control connections sensor which protects the PCB from overheating, if the...
  • Page 22 RCD UNIT TRIPS Check that the RCD unit is correctly rated for boiler size. If under size change. Inspect mains terminal block wiring for short-circuiting. Check electrical elements for earth continuity, if element is found to be faulty fit new element. Thermistor Values Temperature (°C) Resistance Value (Ohms)
  • Page 23: Fault Finding Flow Charts

    NO HEAT - PERMANENT GREEN LIGHT IS THE PROGRAMMER TURNED ON I.E. CALL SIGNAL? CHECK IS CALL WIRE LIVE I.E. LINE ELECTRIC VOLTAGE? SYSTEM CIRCUIT CHECK EXTERNAL CONTROLS ARE CALLING FOR HEAT IS THE HEAT EXCHANGER GETTING UP TO TEMPERATURE - AMBER ON OR FLASHING? CHANGE PCB OPEN...
  • Page 24 FLASHING RED LIGHT TURN BOILER OFF FOR 30 SECONDS TO RESET MAKE SURE IS THE BOILER 6 HAS THE RED LIGHT OVERHEATED PCB JUMPER HAS OR 9KW? STOPPED FLASHING? AMBIENT TEMP TOO HIGH BEEN REMOVED ARE CABLES REPLACE CHECK THERE IS CABLES CONNECTIONS SUFFICIENT VENTILATION...
  • Page 25 PERMANENT RED LIGHT IS INCOMING POWER SUPPLY OK? DOES THE BOILER GO STRAIGHT TO RED LIGHT? CHECK INCOMING SUPPLY DOES THE BOILER GO CROSS POLARITY? FROM GREEN TO CORRECT VOLTAGE? AMBER THEN RED? CORRECT RCD? HAS THE HIGH LIMIT STAT TRIPPED? RE-SET HIGH LIMIT STAT ARE THE LIMIT...
  • Page 26 NO GREEN LIGHT IS THERE POWER TO THE BOARD? CHANGE FUSE HAS THE FUSE HAS THE RCD AND CHECK BLOWN ON THE RESET RCD TRIPPED? PUMP PCB? IS THERE CHANGE PCB POWER TO LIVE AND NEUTRAL? CHECK SYSTEM WIRING...
  • Page 27: Exploded View

    ITEM PART No. DESCRIPTION QUANTITY 211501 ELEMENT FLANGE W.U. 211503 HEATER BODY W.U. 211701 3KW ELEMENT 211509 GASKET 211554 INSULATION FRONT & SIDES 211555 INSULATION REAR & BASE 207296 AUTOMATIC AIR VENT 211549 AIR VENT FITTING 99592 DRAIN COCK 91088 M6 x 16 HEX HD SETSCREW 92199 M6 SHAKEPROOF WASHER...
  • Page 28: Spares List

    211510 BACK CASING ASSY 211515 FRONT CASING ASSY 211500 12KW HEATER ASSY 211560 11KW HEATER ASSY 211570 9KW HEATER ASSY 211580 6KW HEATER ASSY 211590 PRINTED CIRCUIT BOARD 211548 PRESSURE GAUGE 211532 221920 PRESSURE RELIEF VALVE 500014 PUMP 211529 6Ltr EXPANSION VESSEL...
  • Page 30 S35 2PH Tel: (0114) 2572300 Fax: (0114) 2571419 www.trianco.co.uk © TR Engineering Limited Copyright in this brochure and the drawings and illustrations contained in it is vested in TR Engineering Limited and neither the brochure or any part thereof may be reproduced without prior written consent.

This manual is also suitable for:

12kw9kw11kw

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