Robur K18 Simplygas Installation, Use And Maintenance Manual
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Robur K18 Simplygas Installation, Use And Maintenance Manual

Modulating, condensing gas absorption heat pump, using aerothermal renewable energy and natural gas for heating and buffer tank domestic hot water production
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Installation, Use and Maintenance
Manual
K18 Simplygas
Modulating, condensing gas absorption heat pump, using
aerothermal renewable energy and natural gas for heating
and buffer tank domestic hot water production
Nominal thermal capacity 18,9 kW

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  • Page 1 Installation, Use and Maintenance Manual K18 Simplygas Modulating, condensing gas absorption heat pump, using aerothermal renewable energy and natural gas for heating and buffer tank domestic hot water production Nominal thermal capacity 18,9 kW...
  • Page 2 The rights of those who have legitimately filed the registered trademarks contained within this publication are not affected. With the aim of continuously improving the quality of its products, Robur S.p.A. reserves the right to modify the data and contents of this...

  • Page 3: Table Of Contents

    C1 appliance version) .......... p. 47 Installation filling ............ p. 25 Fuel gas supply .............  p. 25 Appendices �����������������������������������������������  p� 48 Combustion products exhaust .......  p. 26 3.10 Product fiche.............. p. 48 Flue gas condensate discharge .......  p. 26 3.11 Installation, use and maintenance manual – K18 Simplygas...

  • Page 4: Introduction

    CONTROL DEVICE In order to work, the K18 Simplygas unit requires a control de- RECIPIENTS vice to be connected by the installer (see Paragraph 1.7   p. 14 ). This Manual is intended for: SYMBOLS AND DEFINITIONS II.1...
  • Page 5 Proper maintenance assures the efficiency and good op- eration of the appliance over time. „ Disconnect the electrical power supply before any „ Maintenance must be performed according to the work/procedure on appliance components. Installation, use and maintenance manual – K18 Simplygas...

  • Page 6: Iii.2 Conformity

    Warnings manufacturer's instructions (see Chapter 7    p.  42 ) and/or improper use and/or failure to comply with reg- and in compliance with current regulations. ulations and with the manufacturer's directions/instruc- „ Appliance maintenance and repairs may only be en- tions shall be disclaimed.

  • Page 7: Features And Technical Data

    ▶ controlled by an electronic controller; A control system has been designed for the K18 Simplygas unit, titanium stainless steel shell-and-tube water exchanger; called Armonia, which allows integration between the heat ▶...
  • Page 8 Features and technical data boiler off be reached quicker (integration) C� average/high load: active heat pump at full power and active E� very high load: heat pump out of the operating limits and auxiliary boiler in modulation (integration) auxiliary boiler that autonomously covers the design load D�...

  • Page 9: Dimensions

    Burner ON green indicator lamp Flue gas outlet Ø 80 mm Transparent cover, which can be detached to access the user interface keys Flue gas condensate and defrosting water drain Ø 20 mm Reset/unlock button Installation, use and maintenance manual – K18 Simplygas...

  • Page 10: Components

    Features and technical data COMPONENTS Figure 1�4   LH front view internal components TA outdoor temperature probe Flame sensing / ignition electrodes Teva evaporator temperature probe PT1000 flue exhaust temperature probe Flow temperature probe Limit thermostat Components box Defrosting valve Enclosed water pump (C1 version only)
  • Page 11 Figure 1�5   Rear view internal components Safety valve Water outlet connection Ø 3/4" M Flowmeter Water inlet connection Ø 3/4" M Fume outlet Return temperature probe Condensate discharge 120 °C flue gas thermostat Condensate level sensor Installation, use and maintenance manual – K18 Simplygas...
  • Page 12 Features and technical data Figure 1�6   RH front view internal components Gas valve TG generator temperature probe Combustion blower Electrical panel Ignition transformer TGV probe Oil pump...

  • Page 13: Electrical Wiring Diagram

    Evaporator outlet temperature sensor Gas valve ON indicator lamp Gas solenoid valve Gas valve probe Manual flue gas thermostat PT1000 flue gas temperature probe Generator limit thermostat REED Oil pump rotation sensor Installation, use and maintenance manual – K18 Simplygas...

  • Page 14: Electronic Board

    The appliance may only work if it is connected to a control de- The OCDS007 chronothermostat is able to control a single vice, selected from: K18 Simplygas unit. In this case the water setpoint is either fixed (1) OQLT019 system controller (optional) ▶...

  • Page 15: Technical Characteristics

    Paragraph 4.6    p.  30 for the connection instructions electronic board please refer to Paragraph 4.4   p. 28 . TECHNICAL CHARACTERISTICS Following K18 Simplygas technical data apply also to K18 Simplygas EVO, unless otherwise expressly specified. Table 1�2   K18 Simplygas Technical data K18 Simplygas...

  • Page 16: Transport And Positioning

    EN ISO 9614. It is possible to reduce gas pipe diameter to 3/8”, ensuring enough gas pressure to the appliance, considering pressure losses of entire gas supply pipe. Dimensions including flue gas discharge. Table 1�3   K18 Simplygas PED data K18 Simplygas K18 Simplygas...

  • Page 17: Appliance Positioning

    „ Incorrect ventilation may affect efficiency and cause Installation, use and maintenance manual – K18 Simplygas...

  • Page 18: Mounting Base

    Country and site, in mat- ters of safety, design, implementation and maintenance 3.2.1 Primary and secondary heating circuit The K18 Simplygas appliance can operate in plants with primary „ heating systems; circuit only, or in plants with primary and secondary circuits with...

  • Page 19: Minimum Water Content

    Figure 3.3    p.  20 for the corresponding K18 Simplygas EVO tion. Very short ON/OFF cycles are to be avoided. version) and shown in Figure 3.2    p.  20 for the K18 Simplygas A buffer tank (input on the top and output on the bottom) is not C0 unit (refer to Figure 3.4 ...
  • Page 20 100 l (optional) circuit (see Paragraph 3.2.3.3   p. 21 ) The components enclosed in dotted rectangles are optional. 3.2.3.2 K18 Simplygas EVO hydraulic diagram C1 (with enclosed circulating pump) Figure 3�3   K18 Simplygas EVO C1 K18 Simplygas C1 heat pump...
  • Page 21 Direct heating distribution with single zone (system with primary water circuit only). Figure 3�5   Heating distribution 01 - direct GHP immersion temperature probe (standard) connection to K18 unit (GHP plant water temperature probe) radiator Installation, use and maintenance manual – K18 Simplygas...
  • Page 22 Heating engineer Heating distribution with two zones controlled by 2-way valves (system with primary water circuit only). Figure 3�6   Heating distribution 02 - system controller with two 2-way zone valves GHP immersion temperature probe (standard) by-pass section with overpressure valve calibrated to open only when both valves (3) are closed 2-way valve radiator...

  • Page 23: Hydraulic Connections

    WATER CIRCULATION PUMP — on water piping, both output and input (m/r) 2 antivibration joints on water fittings; K18 Simplygas C1 units are equipped with a variable flow circu- ▶ 2 isolation ball valves; lation pump. For pump data, refer to Table 1.2   p. 15 .

  • Page 24: Anti-Icing Function

    Heating engineer (2) VARIABLE FLOW circulating pump Always check product suitability and its expiry date with the ▶ glycol supplier. Periodically check the product's preservation For variable flow operation, use of a Wilo Stratos Para pump is state. mandatory. The pump is available as OPMP004 optional, and Do not use car-grade anti-icing liquid (without inhibitors), must be managed by the appliance, connecting it to the appli- ▶...

  • Page 25: Installation Filling

    ▶ If necessary, insulate the piping. a second stage pressure reducer, close to the appliance. ▶ ▶ Installation, use and maintenance manual – K18 Simplygas...

  • Page 26: Combustion Products Exhaust

    3.10 COMBUSTION PRODUCTS EXHAUST 3.11 FLUE GAS CONDENSATE DISCHARGE The K18 Simplygas unit is a condensing appliance and therefore Compliance with standards produces condensation water from combustion flue gases. Condensate acidity and exhaust regulations The appliance is approved for connection to a combus- tion products exhaust duct for the types shown in Table 1.2 ...

  • Page 27: Electrical Installer

    Electrical installer ELECTRICAL INSTALLER WARNINGS Paragraph 4.8    p.  31 ; if there is a system controller, exam- ple always with a K18 Simplygas EVO type unit, which are provided as per standard: installation manual of the system General warnings controller);...

  • Page 28: Electrical Power Supply

    Electrical installer CONTROL SYSTEM 2� Remove the appliance's lower front panel (placed under the fan). 3� Remove the cap of the hole for electrical connection (see ref- Control systems, options (1) (2) (3) erence C Figure 1.3    p.  9 ) and fit a suitable cable gland in Three separate control systems are provided, each with specific order to: features, components and diagrams:...

  • Page 29: Water Circulation Pump

    Components NOT SUPPLIED: external request WATER CIRCULATION PUMP The K18 Simplygas C1 version is is equipped with an enclosed variable flow circulation pump. For K18 Simplygas C0 version re- fer to the following paragraphs. Figure 4�4   Connection diagram (alarm indication signal) to OCDS007 chronothermostat 4.5.1...

  • Page 30: Alarm Indicator Lamp

    Electrical installer How to connect the VARIABLE FLOW circulating It is possible to connect a lamp indicating an appliance’s alarm to pump the Electrical Panel inside the appliance. To connect the alarm indicator lamp, follow the instructions below. To optimise appliance operation it is required to provide the hydraulic/primary circuit with a WILO STRATOS PARA Figure 4.8 ...

  • Page 31: Temperature Probes

    2 x 1.0 mm² up to 80 m reset errors 2 x 1.5 mm² up to 120 m Components NOT SUPPLIED: Connect the shield to a ground terminal on the K18 Simplygas release button unit's terminal block TEMPERATURE PROBES HOW TO CONNECT AN AUXILIARY HEAT...

  • Page 32: First Start-Up

    ▶ Robur TAC. NEITHER the user NOR the installation tech- safety; nician is authorised to perform such operations, under appliance switched on/off with the main switch, instead of ▶...
  • Page 33 (x = 0, 1, ..) tion by pressing the key for 5 seconds and then contact Robur. of the chimney sweep function. Installation, use and maintenance manual – K18 Simplygas...

  • Page 34: Setting Parameters For First Start-Up

    First start-up Figure 5�1   K18 heat pump module gas valve Gas mains pressure intake Offset pressure intake Offset adjustment screw Throttle adjustment screw SETTING PARAMETERS FOR FIRST board concern the firmware version 1.012. START-UP For the use of GHP 10 electronic board and related menu, Paragraph reserved exclusively to TACs�...
  • Page 35 If the system is set for regulation of DHW service using GHP' probe (AUX PROBE 2, see parameter 209), regulation of course occurs on the pipe on which the probe is Installation, use and maintenance manual – K18 Simplygas...
  • Page 36 With previously supplied OQLT017 system controller If the unit is type K18 Simplygas C1 (water pump on board) or In this case, the auxiliary boiler is managed by the system if it is equipped with an external Wilo Stratos Para variable flow controller.
  • Page 37 (see Table 1.2    p.  15 ). Every 25’ the system verifies whether the heat pump can be The availability and actual connection and configuration Installation, use and maintenance manual – K18 Simplygas...

  • Page 38: Normal Operation

    It is possible to set the K18 Simplygas appliance to provide the stable system operation; a low value favours the reac- space heating service using a fixed water setpoint, or a variable...

  • Page 39: Messages On The Display

    10� Fit the display transparent cover. ▶ pressing keys Select a menu or a parameter (pressing the key ▶ Edit and confirm the setting of a parameter (pressing keys ▶ and confirming with key Installation, use and maintenance manual – K18 Simplygas...

  • Page 40: Modifying Settings

    Normal operation Table 6�1   Menu 3 parameters (for the user) of GHP10 board Parameter Description Setting Default 0. °C Temperature display format 1. °F Building time constant from 0 to 50 hours 0. not active Anti-icing function 1. active 0. not active Fan noise reduction 1.

  • Page 41: Restarting A Locked-Down Unit

    "E" = error). To restart the appliance you must know and perform the ▶ procedure concerning the issue signalled and identified by the code (Paragraph 8.1   p. 44 ). Installation, use and maintenance manual – K18 Simplygas...

  • Page 42: Maintenance

    For pre-emptive maintenance, comply with the recommendations in Table 7.1   p. 42 . Table 7�1   Guidelines for the preventive maintenance operations K18 Simplygas Guidelines for the preventive maintenance operations visually check of the general condition of the unit and of its air heat exchanger √...

  • Page 43: Temporary Stop Command Of The Fan

    8� Press again button until the leftmost shows letter "E" (Exit), then press button Limit the time you use this function to the minimum effectively needed. The system cancels the fan stop Installation, use and maintenance manual – K18 Simplygas...

  • Page 44: Diagnostics

    Diagnostics DIAGNOSTICS BOARD CODES Table 8�1   Informative codes CODES DESCRIPTION Info (I) Outdoor temperature below operational limits The code is reset automatically when the triggering condition ceases. The event indicates the activation of the protection cycle in case of high flue Generator protection cycle activated temperature.
  • Page 45 Contact the TAC. tion ceases. Invalid module type configura- Contact the TAC. tion parameters ROM board fault Contact the TAC. pRAM board fault Contact the TAC. xRAM board fault Contact the TAC. Installation, use and maintenance manual – K18 Simplygas...
  • Page 46 If the reset is successful, i.e. the auxiliary boiler stops signalling the alarms, but the code persists and reappears, or if in doubt, contact the Robur TAC; otherwise, contact the TAC of the manufacturer of the auxiliary boiler for the problem to be resolved.

  • Page 47: Water Circulation Pump Alarm Codes (Only For C1 Appliance Version)

    GHP10 board Installation, use and maintenance manual – K18 Simplygas...

  • Page 48: Appendices

    Figure  Table 8 COMMISSION DELEGATED REGULATION (EU) No 811/2013 Technical parameters for heat pump space heaters and heat pump combination heaters Model(s): K18 Simplygas Air-to-water heat pump: Water-to-water heat pump: Brine-to-water heat pump: Low-temperature heat pump: Equipped with a supplementary heater: Heat pump combination heater: Parameters shall be declared for medium-temperature application.
  • Page 49 Pdesignh , and the rated heat output of a supplementary heater Psup is equal to the supplementary capacity for heating sup(Tj) . Additional information required by COMMISSION REGULATION (EU) No 813/2013, Table 2: Emissions of nitrogen oxides: Installation, use and maintenance manual – K18 Simplygas...
  • Page 52 Robur mission Robur is dedicated to dynamic progression in research, development and promotion of safe, environmentally-friendly, energy-efficiency products, through the commitment and caring of its employees and partners. Robur S.p.A. advanced technologies for climate conditioning via Parigi 4/6 24040 Verdellino/Zingonia (BG) Italy +39 035 888111 - F +39 035 884165 www.robur.it robur@robur.it...

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K18 simplygas indoor

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