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REMEHA Quinta 45 Technical Information

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Technical information
Remeha Quinta 45
Remeha Quinta 65
55979.indd 1
55979.indd 1
• High-efficiency
• Output
1
condensing boilers for
wall mounted installation
Quinta 45 :
9 - 43 kW
Quinta 65 :
13 - 65 kW
2-4-2009 9:42:17
2-4-2009 9:42:17

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Summary of Contents for REMEHA Quinta 45

  • Page 1 Technical information Remeha Quinta 45 Remeha Quinta 65 • High-efficiency condensing boilers for wall mounted installation • Output Quinta 45 : 9 - 43 kW Quinta 65 : 13 - 65 kW 55979.indd 1 55979.indd 1 2-4-2009 9:42:17 2-4-2009 9:42:17...
  • Page 2 55979.indd 2 55979.indd 2 2-4-2009 9:42:36 2-4-2009 9:42:36...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS PREFACE 1 General description of the boiler 2 Construction Boiler layout Operating principle 3 Technical data and dimensions Dimensions Technical data General Specification 4 Efficiency information Annual efficiency Heat to water efficiency 5 Application information 6 Control and safety equipment The control panel 6.1.1 General...
  • Page 4 Remeha Quinta 45/65 Setting mode service level (X00) 6.6.1 Flow temperature set point during forced part load ($) 6.6.2 High limit thermostat (%) 6.6.3 Fan speed at full load HTG (^) Fan speed at part load (HTG and DHW - &) 6.6.4...
  • Page 5 8 Electrical installation General Specifications 8.2.1 Electrical supply 8.2.2 Control box 8.2.3 Fuse specification 8.2.4 Boiler temperature control 8.2.5 High limit temperature protection 8.2.6 Low-water protection (flow and content) External connections Boiler control 8.4.1 Modulating (two wire control) 8.4.2 Analog control (0 -10 Volt dc) 8.4.3 On / off control (1 x no volt switched pair) 8.4.4...

  • Page 6: Preface

    Quinta 45/65 PREFACE These technical instructions contain useful and important information for the correct operation and maintenance of the Remeha HTG boilers, models Quinta 45 and Quinta 65. Read these instructions carefully before putting the boiler into operation, familiarise yourself with it’s control functions and operation, strictly observing the instructions given.

  • Page 7: General Description Of The Boiler

    GENERAL DESCRIPTION OF THE BOILER The Remeha Quinta 45 and Quinta 65 are wall hung condensing boilers which may be also installed free standing on a suitable frame (option). The one piece cast aluminium heat exchanger and other major components are contained within a sealed air box.

  • Page 8: Construction

    Remeha Quinta 45/65 CONSTRUCTION 2.1 Boiler layout Fig. 01 Boiler layout Remeha Quinta 45 and Quinta 65 1. Automatic air vent 9. Control panel 2. Air supply fan 10. Facility for incorporating a rematic ® 3. Gas combi-block (with governor) weather compensated boiler control 4.

  • Page 9: Operating Principle

    (the flue gas temperature is reduced to approximately 5°C above the temperature of the system return water) then discharged via the condensate collector, vertically through the 80/125 mm (Quinta 45) or 100/150 mm (Quinta 65) combined flue/air connection to atmosphere.

  • Page 10: Technical Data And Dimensions

    Ð Combustion air supply connection 125 mm Ø i/d (Quinta 45) and 150 Ø i/d (Quinta 65) ** Ð Combustion air supply connection 80 mm Ø i/d (Quinta 45) and 100 Ø i/d (Quinta 65),see Par. 7.3.1 Ñ Flue gas connection 80 mm Ø i/d (Quinta 45) and 100 mm Ø i/d (Quinta 65) ã...

  • Page 11: Technical Data

    Main supply V/Hz 230 / 1 / 50 Electric rating 30 - 85 30 - 90 Insulation class Table 01 Technical data remeha Quinta 45 and Quinta 65 *) DIN 4702, part 8 55979.indd 11 55979.indd 11 2-4-2009 9:42:37 2-4-2009 9:42:37...

  • Page 12: General Specification

    Options - Floor frame - Two pipe flue/air inlet adapter plate (excentric room sealed) - DHW-sensor - Broag-Remeha weather compensating controllers - Heat exchanger cleaning tool - EMC filter for boiler sensor or boiler thermostat cables 55979.indd 12 55979.indd 12...

  • Page 13: Efficiency Information

    EFFICIENCY INFORMATION 4.1 Annual efficiency Up to 109% at H (98% at H ) at an input of 30% and a return temperature of 30°C. 4.2 Heat to water efficiency a. Up to 99% at H (89% at H ) at an average water temperature of 70°C (80/60°C). b.

  • Page 14: Application Information

    Quinta 45/65 APPLICATION INFORMATION The Remeha Quinta can be used on all new and re-furbishment projects in both single and multiple configurations. Conventional and room sealed flue system capability means that the boiler can be sited almost anywhere within a building.

  • Page 15: Control And Safety Equipment

    For security the control has three levels of access: - User level - free access - Service level - access with service code by qualified personnel - Factory level - access by PC with factory code (Remeha only) 6.1.2 Layout of the control panel Fig. 03...
  • Page 16 Remeha Quinta 45/65 a. ‘code’-display Indicates on user level: operating mode: only one digit 1 setting mode: digit with dot ! read-out mode: digit with flashing dot ! shut-off mode: letter b forced full load: letter h forced part load: letter l Additional indication on speed mode: alternate half digit <...

  • Page 17: Combined Key Functions (In Operating Mode Only)

    6.1.3 Combined key functions (in operating mode only) When the boiler is in the operating mode, keys with the illuminated symbols above have a double function (Program and Switch). To use them for a Program function press the key once - and for a Switch function (either on or off) press the key and hold for 2 secs.

  • Page 18: Display Of Values With More Than Two Digits

    Remeha Quinta 45/65 6.1.4 Display of values with more than two digits The display has only two digits available therefore values over this are displayed as follows : - negative values will be indicated by a dot behind the last digit e.g. 1) = -10...
  • Page 19 Interface selection (control option) DHW cut-in T Fan speed at full load (DHW) intern Forced part load time after start (HTG) Fan speed at start DHW control stop or boiler modulation set point (based on parameter #) DHW control mode HTG cut in T (based on return) Boiler type intern...

  • Page 20: Operating Mode (X

    Remeha Quinta 45/65 Actual heat demand status & Calculated HTG cut-in temperature Actual flow temperature rise service engineer level only: Speed mode, alternate half Fan speed digit < see Par. 6.8 Failure mode, flashing digit see Par. 6.9 Failure code...

  • Page 21: Shut-Off Mode (Bxx)

    HTG pump run on DHW pump run on or for three way valve option, HTG pump run on with valve open to DHW (max. 5 minutes) - Normal control stop during DHW (flow temperature > set point DHW + DHW control stop set point + 5°C) Shut-off mode Forced full load.

  • Page 22: Setting Mode User Level (X

    - Press the ‘reset’-key imidiately followed by pressing the ‘m’-key for about 12 sec - ‘code’- display shows P - Use [+] and [-]-keys to enter correct boiler parameter (Quinta 45: P=44; Quinta 65: P=64 - Press ‘e’-key to confirm settings - Check parameter settings and change where necessary or wanted.

  • Page 23: Flow Temperature Set Point (!)

    6.5.1 Flow temperature set point (!) The required flow temperature is adjustable from 20 to 90°C (factory default 80°C). Fig. 04 Typical setting change procedure 6.5.2 Pump run on time HTG (@) Pump run on time can be adjusted (Please refer to installation contractor) - Press the ‘m’...

  • Page 24: Boiler Control Setting (A)

    Remeha Quinta 45/65 6.5.3 DHW temperature set point (3) The DHW temperature is adjustable from 20 to 75°C (factory default 55°C). Only with Broag DHW priority sensor. - Press the ‘m’ -key until the digit ! (with dot) appears in the ‘code’-display.

  • Page 25: Setting Mode Service Level (X00)

    Description t-display Operation mode Second segment [y HTG and DHW off HTG and DHW on HTG on and DHW off HTG off and DHW on Table 08 Boiler control option * NOTE: Booster function n/a in UK 6.6 Setting mode service level (X00) (only for the qualified service engineer) To prevent accidental, unauthorised access by non-qualified persons the control system requires an input code to gain access to the second level of boiler control.
  • Page 26 Remeha Quinta 45/65 Fan speed at part load (HTG & 10- 60 hundreds and DHW) Modulation start point T (F/R) 05 - 30 ºC Interface selection (control 00 internal option) (modulating control only) 01 external interface DHW cut-in T 10 -05 read 1 - 5 °C...

  • Page 27: Flow Temperature Set Point During Forced Part Load ($)

    Par. 7.4.7. 6.6.3 Fan speed at full load HTG (^) Adjustable from 18 to 100% output (= 1100 (Quinta 45) / 1200 (Quinta 65) to 5200 rpm), factory default 52 (100%). This value sets the maximum output of the boiler.

  • Page 28: Interface Selection (()

    55 +20 + 5 - 5 = 75 6.6.8 Fan Speed at DHW full load (C) Adjustable from 18 to 100% output (= 1100 (Quinta 45) / 1200 (Quinta 65) to 5200 rpm), factory default 52 (100%). This value sets the maximum output of the boiler.

  • Page 29: Dhw Control Stop Set Point (I)

    Parameter O not applicable 6.6.13 Boiler type (P) Factory default 44 (Quinta 45) and 64 (Quinta 65), must not be changed. Parameter T factory set must not be changed. 6.6.14 Maximum delay time (U) Adjustable from 00 - 99 minutes, factory default 15 minutes (15).

  • Page 30: Start And End Point Analog Signal (Q And Y)

    Remeha Quinta 45/65 6.6.15 Start and end point analog signal (Q and Y) Start point (0 Volt): adjustable between 5) (-50)°C and +50°C, factory default 00°C. This value sets the required flow temp at 0 Volt signal input (restricted by the min flow set point).

  • Page 31: Fan Speed Mode (<00)

    6.8 Fan speed mode (<00) Using the ‘m’ -key, press repeatedly until ‘code’-display shows alternate flashing half digits. The value in the t-display shows the actual fan speed using two alternate double digits as table: Code Description Example 5250 r/m Fan speed 52 hundreds Fan speed...

  • Page 32: Installation Instructions

    Standards and codes of practice, including the latest local and national regulations for this type of equipment. Important: The Remeha Quinta 45 and 65 are CE certified applianced and must not therefore be modified or installed in any way contrary to these “Installation and Maintenance Instructions”.

  • Page 33: Flue Gas Discharge And Air Supply

    7.3 Flue gas discharge and air supply 7.3.1 General The Remeha Quinta 45 and Quinta 65 are suitable for conventional room ventilated or room sealed operation. Specify at the time of ordering if the boiler is to be installed for twin pipe room sealed operation. In that case, the boiler will be supplied with an adaptor plate (concentric to twin pipe).

  • Page 34: Material And Installation

    Remeha Quinta 45/65 Type C43: Room sealed boiler in cascade configuration, connected via two ducts to a common duct system serving more than one boiler. Type C53: Room sealed boiler, connected to separate ducts for the air supply and flue gas discharge, terminated in zones of different pressure.

  • Page 35: Single Boiler Conventional Flue

    Use vertical flue terminal MG 87973 (Quinta 45) or MG 87969 (Quinta 65) for classification C33. Use horizontal flue terminal MG 76617 (Quinta 45) or MG 76618 (Quinta 65) for classification C13. Flue material for classification C6 must comply EN 483 annex N and must always be in draft condition.

  • Page 36: Single Boiler, Room Sealed Flue

    Remeha Quinta 45/65 Quinta 45 Quinta 65 80 mm 100 mm max eq. Length L eq. Length bend 45° eq. Length bend 90° Table 13 Calculation data conventional flue Example: Quinta 65, total length 15 m, 2 bends 90°. 15 m + 2 x 4.9 = 24.8 < 27: flue OK.

  • Page 37: Different Pressure Zones

    Length bend 90° Table 14 Calculation data room sealed applications Example: Quinta 45, total length 10 m, 2 bends 90°. 80 mm: 10 m + 2 x 2 = 14 m < 16 m: flue OK. Note: If the design parameters are outside the values shown in the above table or there is any doubt over the flue system, please contact our technical department for calculation to be undertaken.

  • Page 38: Modular Installations

    Remeha Quinta 45/65 The Remeha Quinta boilers (twin connection only) are capable of operating with the air inlet and flue outlet in different pressure zones (CLV System). There are some restrictions to the flue/air inlet lengths and max height differences which have been detailed in Fig.
  • Page 39 NOTE: • The temperature of the central heating pipes and the radiators can rise to 95°C. • Use untreated tap water only to fill the CH system. • The pH value of the system water must be between 6 and 9. •...

  • Page 40: Cold Feed And Expansion Tank Height For Open Vented Systems

    The cold feed and expansion tank heights for all open vented systems must comply with the requirements laid down in the Health and Safety Executive publication PM5. The Remeha Quinta series boilers require a minimum static head of 3 M.

  • Page 41: System Pump

    + 20. 7.5 DHW production The Remeha Quinta 45 and 65 is supplied as standard with an inbuilt DHW control. This control, when used in conjuction with the optional Broag DHW sensor or thermostat (not a Broag supply), a 3-way diverting valve or DHW pump, can provide boosted primary flow temperature independent of the variable temperature flow for the fully condensing mode.

  • Page 42: Modular Systems

    If no HTG demand, the selected pump will run on for a maximum of 5 minutes). A Broag high output indirect calorifier can be connected to the Remeha Quinta 45 and 65 in accordance with the schematic sketch shown (see Fig. 11 and 12).

  • Page 43: Electrical Installation

    8.2 Specifications 8.2.1 Electrical supply The Remeha Quinta 45 and 65 must have a permanent 230V - 50Hz single phase supply rated at 6.3 Amps. The control unit is not phase / neutral sensitive. 8.2.2 Control box...

  • Page 44: Boiler Temperature Control

    ‘reset’-key on the control panel. 8.2.6 Low-water protection (flow and content) The Remeha Quinta 45 and 65 is supplied with a low-water protection on the basis of temperature measurement, see Fig. 22 Boiler sensor resistance/temp graph. By modulating back at the moment that the water flow threatens to fall too low, the boiler is kept operating for as long as possible.

  • Page 45: External Connections

    14 and 15. Fig. 14 Terminal strip Remeha Quinta 45 and 65 04W4H7900009 *) remove fitted wire link to use, see Par. 8.9 55979.indd 45...

  • Page 46: Boiler Control

    6. Print for common alarm and boiler run indication 7. 230 Volt power supply 8.4 Boiler control The Remeha Quinta 45 and 65 can be controlled using one of the following methods : 8.4.1 Modulating (two wire control) When using the optional Broag-Remeha compensating controllers the heat output modulates between the minimum and maximum value on the basis of the boiler flow temperature sensor.
  • Page 47 - SR5240 - Optimising / weather-compensated boiler control for single boiler. These controls are supplied with outside sensor and mounting kit for installation in the boiler. Communication between the Optimising / weather-compensated control and the boiler control system is via an interface PCB supplied with the kit (to fit see fig. 17). Connection via a two-core cable and plug supplied to plug K2 in the boiler.

  • Page 48: Analog Control (0 -10 Volt Dc)

    Remeha Quinta 45/65 Fig. 17 Fitting the interface 05W4H7900008 8.4.2 Analog control (0 -10 Volt dc) The heat output modulates between the minimum and the maximum value on the basis of the voltage supplied by an external analog (0 -10 V, volt free) input; terminal connections 1 (gnd) and 2 (+).
  • Page 49 Fig. 18 Ratio between voltage and temperature Fig. 19 Ratio between voltage and output 55979.indd 49 55979.indd 49 2-4-2009 9:42:40 2-4-2009 9:42:40...

  • Page 50: On / Off Control (1 X No Volt Switched Pair)

    8.5 DHW control (Broag priority) 8.5.1 Temperature control With a Remeha temperature sensor or with a standard (volt free) DHW thermostat connected to terminals 7 and 8. NOTE: boiler will only provide a setting and read out facility with the sensor option.

  • Page 51: Remote Alarm And Boiler Run Indication

    8.8 Remote alarm and boiler run indication As standard the boiler is supplied with 2 x volt free indicators. - Common alarm signal connect to terminals 21 and 22. Contact closed, opens on lock out and power loss. - Boiler run signal connect to terminals 23 and 24. Contact open, closes on boiler run. Maximum 230 Volts, 1 amp capacity each.

  • Page 52: Commissioning

    BEFORE the boiler is fired and commisioned for the first time on propane. Adjust the fan speed from 5200 rpm to 4600 rpm (HTG and DHW, see Par. 6.6.3 and 6.6.8) and the gas rate screw app. 3 turns clockwise (Quinta 45) or app. 4 turns clockwise (Quinta 65).
  • Page 53 Fan speed Fan speed (approx. rpm) (approx. rpm) full part full part load load load load Quinta 45 5200 1100 4600 1100 10.7 +/- 0.1 +/- 0.1 +/- 0.1 +/- 0.1 Quinta 65 5200 1200 4600 1200 Table 16 Setting data (open air box) 55979.indd 53...

  • Page 54: Shut-Down

    Check system controls. Set system controls to the required values. NOTE: The Remeha Quinta 45 and 65 is supplied with a number of factory default settings which should be correct for most installations. If other setting values are required: see Par. 6.5 and 6.6.

  • Page 55: Fault-Finding

    10 FAULT-FINDING 10.1 General (all installations) Check the following, in sequence (by service engineer): Step Signs Check points Actions Boiler display is blank. The mains voltage 230 V Replace if necessary, but check what circuit The fuse in the euro- it was protecting and connector.

  • Page 56: Fault Codes

    Remeha Quinta 45/65 Only with rematic LED 1 is not flashing? Interface or control box ® 5240 or 2945 C3 K is faulty. control: LED 2 is not flashing? Interface or control is Check the faulty. communication Both LED’s are flashing?
  • Page 57 code Description Cause/check points and remedy Flame - Gas valve shuts but burner surface continues to glow simulation due to incorrect combustion. - Gas valve off but leaking on shut-down - burner flame continuing. Short circuit 24V Check wiring. No flame or no No ignition spark, check: ionisation (after - connection of ignition cable and spark plug cap...
  • Page 58 Remeha Quinta 45/65 Setting failure - check parameter D (second digit must be 0) Failure of - short circuit in flat cable: replace flat cable internal - water/condensation on display communication - possibly external EMC contamination Flow Check: temperature - the waterflow, ref. Par. 7.4.7...
  • Page 59 Fig. 22 Sensor resistance graph 55979.indd 59 55979.indd 59 2-4-2009 9:42:41 2-4-2009 9:42:41...

  • Page 60: Inspection And Servicing Instructions

    Quinta 45/65 11 INSPECTION AND SERVICING INSTRUCTIONS 11.1 General The Remeha Quinta has been designed to need minimum maintenance, but to ensure optimum efficiency we advise that once a year the boiler should be checked and if necessary cleaned and reset.

  • Page 61: Maintenance

    Fig. 23 Ionisation measurement 04W4H7900007 Note: If flue gas temperature is more than 30°C above the boiler return water temperature the heat exchanger must be cleaned see section 11.3. 11.3 Maintenance If during the annual inspection combustion results indicate that the boiler is no longer operating at the optimum level, additional maintenance should be carried out as follows: - wash the heat exchanger through using clean warm water.
  • Page 62 Remeha Quinta 45/65 NOTE: 1. Please ensure that the mains power supply is isolated before components are disconnected from the boiler for maintenance. 2. Care should be taken when stripping the boiler for maintenance making sure that all parts nuts, washers and gaskets etc. are kept safe, clean and dry.
  • Page 63 55979.indd 63 55979.indd 63 2-4-2009 9:42:41 2-4-2009 9:42:41...
  • Page 64 Broag Ltd. Remeha House Molly Millars Lane © Copyright RG41 2QP WOKINGHAM, Berks. All technical and technological information contained in these technical instructions, Tel: +44 118 9783434 as well as any drawings and technical descriptions furnisched by us remain our Fax: +44 118 9786977 property and may not be multiplied without our prior consent in writing.

This manual is also suitable for:

Quinta 65

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