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Summary of Contents for Gruppo Imar Kondens Gimax Plus 25 Series
- Page 1 PLUS 25-30 Kondens Wall-mounted condensing boiler Wall-mounted condensing boiler INSTALLATION, COMMISSIONING, USE AND MAINTENANCE MANUAL ITALIAN DESIGN...
- Page 3 GIMAX PLUS 25-30 MANUAL VERS. 01/2020 - REV.3...
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Page 4: Table Of Contents
TABLE OF CONTENTS General requirements -Filling the system -EC conformity declarartion -Connecting the condensate line -General instructions -Connection to the mains gas supply Use and operation -Connection to the mains electrical system 20 -Description of the boiler -Combustion gas evacuation -Components system: compatible applications -Ignition... -
Page 5: Use And Operation
USE AND OPERATION DESCRIPTION OF THE BOILER The range of wall-hung condensing boilers The boiler includes a PCB with microprocessor is completed by the GiMax PLUS model. A to manage the system in such a way as to perfect, powerful, reliable and ecological always provide maximum efficiency and boiler, it is fitted with a high efficiency minimum waste. -
Page 6: Ignition
Pict. 3 GIMAX PLUS MN/CN (CH ONLY) 1) MAIN HEAT EXCHANGER 2) EXHAUST SAFETY SENSOR 3) CH PROBE/SAFETY PROBE 5) SAFETY VALVE 7) PRESSURE GAUGE 8) CIRCULATOR UNIT 10) PRESSURE TRANSMITTER 11) GAS VALVE 13) FAN 14) EXPANSION VASSEL 8 LT 15) RETURN PROBE 16) SIFON IGNITION... -
Page 7: "Stand-By" Main Menu
“STAND-BY” MAIN MENU When the boiler is turned on, two operating Pict. 5.1 modes are possible. These ones constitute the MAIN MENU from which it is possible to set any operating mode required or view the boiler status at any time. The characteristics of the possible options for each of the MAIN MENU pages are given below: Page 1 - STAND-BY (Pict. -
Page 8: Operation Main Menu
OPERATION MAIN MENU The OPERATION page is the main page which Pict. 6.1 is always displayed during normal operation of the boiler. Symbols regarding the following DHW temperature items are always displayed on this page: CH temperature Season selector Boilers with domestic hot water production •... -
Page 9: Season Selection
SEASON SELECTION The boiler has two operating modes, which Pict.. 7.1 depend on the basic configuration, in response to the external temperature or the user requirements. These modes can be selected from the OPERATION page: Boilers with domestic hot water production SUMMER mode deactivates all central heating functions, maintaining only domestic hot water production. -
Page 10: Information Menu
Pict. 8 time this button is pressed, a decrease by 1°C is obtained. Once the needed temperature value is set, do not press the (5-6) buttons anymore. The new DHW temperature value will flash for 5 seconds, then it will be stored and displayed. The minimum hot water temperature which can be set is 30°C, the maximum 60°C. - Page 11 REQUEST INFORMATION ON CONNECTED DEVICES FROM AREA AUTHORISED INSTALLER Pict. 9 “1” “7” “2” “8” “3” “9” “10” “4” *se presente If present “5” “11” “6” “12” INFORMATION MENU LIST DHW temperature Return sensor temperature Flue gas probe temperature External sensor temperature (if present) CH circuit pressure Ionization current Fan speed...
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Page 12: Operation With Room Thermostat
OPERATION WITH ROOM THERMOSTAT A S K Y O U R A R E A I N S T A L L E R Energy savings regulations REQUIRE F O R I N F O R M A T I O N O N T H E the boiler to be connected to a room INSTALLATION AND OPERATION thermostat in order to optimally regulate... -
Page 13: Faults
ALWAYS LEAVE THE BOILER POWERED ON AND THE SHUT-OFF VALVES OPEN, IF THE SYSTEM IS EXPECTED TO BE SUBJECT TO VERY COLD TEMPERATURES. THIS FUNCTION DOES NOT GRANT TO PREVENT THE HEATING SYSTEM FROM FREEZING, SINCE IT DEPENDS ON THE BOILER CONTINUOUS ELECTRIC POWER AND GAS SUPPLY. -
Page 14: Fault Codes Table
FAULT CODES TABLE Code Possible cause Behaviour Possible actions Check gas presence Check gas line pressure Check ignition/ Ignition failed Boiler locked detection electrodes Check electronic cable Check igniter Heating system temperature Boiler locked Replace DHW sensor sensor fault Domestic hot water system DHW supplied in provisional mode Replace CH sensor temperature sensor fault... -
Page 15: Installation
INSTALLATION OPERATION DIAGRAM COMBINATION: DOMESTIC HOT WATER + CENTRAL HEATING Pict. 12 1) Primary heat exchanger 2) Burner 3) Fun 4) Gas valve 5) Three-way valve 6) Safety valve 7) Filling loop cock 8) Hot water priority turbine 9) Secondary heat exchanger 10) Circulator unit 11) Expansion tank CENTRAL... -
Page 16: Electrical Wiring Diagram
ELECTRICAL WIRING DIAGRAM COMBINATION: DOMESTIC HOT WATER + CENTRAL HEATING Pict. 15 HALL/Black P.P. 0VDC/Blu Input/Brown BLACK - GND RED - PWM INPUT T.A. P.F. E.A. GREEN -HALL SENSOR E.P. BLU + 24 VDC S.P. 2 - 4 / H.P. 1 - 3 / S.T. -
Page 17: Graphs For The Head Available To The System
GRAPHS FOR THE HEAD AVAILABLE TO THE SYSTEM Pict. 17 COMING SOON INSTALLATION Use: Adjustment, maintenance and repair of the The boiler has been constructed according boiler must only be performed by qualified to current technical standards and the most and authorised personnel. -
Page 18: Fastening The Boiler To The Wall
Pict. 18 FASTENING THE BOILER TO THE WALL Attach the cardboard template giving the Pict. 19 connection and fastening schemes to the wall, paying attention to the boiler dimensions 24DS / 24BT and necessary clearances. (Pict. 19) • Use a suitable bit to drill the holes indicated 28-32DS / 35CN by the two wall plug symbols on the template. -
Page 19: Layout Of Connections
LAYOUT OF CONNECTIONS Pict. 20 DHW OUTLET FILLING VALVE 1/2" INTAKE CONDENS 3/4" DRAIN IMAIN CENTRAL WATER HEATING INTAKE FLOW 3/4" CENTRAL HEATING RETURN 3/4" AIR INTAKE EXHAUST PLUMBING THE BOILER Connect the water and central heating pipes to directly to the valve outlet) the boiler, respecting the positions and distances •... -
Page 20: Connecting Filling Tap For Central Heating Only Boilers
CONNECTING FILLING TAP FOR CENTRAL HEATING ONLY BOILERS In order to fill the system, it is sufficient to connect the supplied ball valve to the 1/2” DHW intake and connect this to a water pipe. Pict. 21 Filling ball valve FILLING THE SYSTEM When all of the boiler connections have Perform the filling and topping... -
Page 21: Connection To The Mains Gas Supply
Pict. 23 The installer will be responsible for providing a condensation neutralization system if necessary A check and possible cleaning of the siphon and the condensation drainage system is recommended at least once a year. Condensing discharge siphon Condensing exhaust Condense collecting pipe Clean water draining CONNECTING TO THE MAINS GAS SUPPLY... -
Page 22: Connection To The Mains Electrical System
CONNECTION TO THE MAINS ELECTRICAL SYSTEM For safe installation of the boiler it must also be • Cut power to the boiler using the power correctly connected to the mains electrical switch installed before it. supply in accordance with all applicable •... -
Page 23: Combustion Gas Evacuation System: Compatible Applications
COMBUSTION GAS EVACUATION SYSTEM: COMPATIBLE APPLICATIONS The boiler is a type C room-sealed fan-assisted • C43 combustion gas evacuation and air device; the air intake and flue must be intake in separate common flues, but which connected to a combustion gas evacuation/ are exposed to similar wind conditions. -
Page 24: Combustion Gas Evacuation System: Installation
COMBUSTION GAS EVACUATION SYSTEM: INSTALLATION The boiler, can be connected to COAXIAL line, including changes of direction, straight and SPLIT intake and flue evacuation systems. sections of various lengths, connections to The “coaxial” system is composed of a single the boiler and outside terminals as well as all pipe containing both the flue and intake pipes necessary seals. - Page 25 SPLIT SYSTEM 80 mm diameter Description Pressure drop (Pa) Equivalent length m Intake terminal L.950 Flue evacuation terminal L.990 Extension M-F L.1000 90° bend M-F 45° bend M-F Intake adaptor d 80 Flue evacuation adaptor d 80 L 5 0 d 6 0 f l u e e v a c u a t i o n connection Neoprene gasket d 128 Neoprene gasket d 100...
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Page 26: Air Intake And Combustion Gas Evacuation System: Important Information
AIR INTAKE AND COMBUSTION GAS EVACUATION SYSTEM: IMPORTANT INFORMATION FOLLOW APPLICABLE LEGISLATION AND REGULATIONS TO THE LETTER. INSTALL AIR INTAKE AND FLUE EVACUATION SYSTEMS CONFORMING TO THE SPECIFICATIONS GIVEN ON THE TECHNICAL DATA PLATE AND OBSERVE ANY LIMITATIONS ARISING FROM APPLICABLE LEGISLATION AND REGULATIONS TO THE LETTER. -
Page 27: Adjustment And Maintenance
ADJUSTMENT AND MAINTENANCE All maintenance operations MUST BE be inspected by a qualified technician at PERFORMED BY QUALIFIED PERSONNEL. the end of every heating season (winter) These operations must also be performed and whenever else it is considered necessary in full compliance with all applicable in order to keep it in optimum operating legislation and regulations. - Page 28 Pict. 30 “MIN” “MINIMO” “MAX” “MASSIMO” NSURE THAT: THE CENTRAL HEATING SYSTEM IS CHARGED AND PRESSURISED ANY SHUT-OFF VALVES FITTED TO THE CH FLOW AND RETURN AND ON THE GAS LINE ARE OPEN AND THAT THE GAS SUPPLY IS AVAILABLE ANY CONTROL VALVES ARE TURNED TOWARDS THE SYSTEM THE SPECIFICATIONS FOR CORRECT INSTALLATION AND COMMISSIONING OF THE BOILER HAVE BEEN OBSERVED.
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Page 29: Data Plate
DATA PLATE Pict. 31 - TECHNICAL DATA PLATE 0= Supervisory body A= Type of boiler B= Boiler model C= Serial Number D= Code E= Country of destination F= Manufacturer G= Category H= Approved types of exhaust exchange configuration I= Date of production J= P.I.N. -
Page 30: Testing The Gas Supply Dynamic Pressure
TESTING THE GAS SUPPLY DYNAMIC PRESSURE: - Remove the iron cover by loosening the 4 Whenever dynamic pressures below fastening clips. the specified minimum levels should be - Free up access to the gas valve by rotating the found: instrument panel to the open position (Pict. 32). •... - Page 31 Pict. 32/a...
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Page 32: Analysis - Checking And Regulating Combustion
ANALYSIS - CHECKING AND REGULATING COMBUSTION The boiler comes already calibrated and tested for It may be necessary to repeat the maximum and the requested type of gas, however it is advisable minimum adjustment twice to obtain correct to check that the type of gas supplied in the mains regulation. -
Page 33: Changing Gas Type
CHANGING GAS TYPE When necessary, it is possible to modify the change from NG (natural gas) to LPG the boiler to run on types of gas which are (butane / propane) and vice versa. supported but which the boiler was not set In order to perform this change the boiler’s up for in the factory. -
Page 34: Configuration The Accessing Menu
ACCESSING THE CONFIGURATION MENU It is possible to view information or per for complete displaying information on the state or presence of configuration of the boiler by accessing the pages most of the devices, also allows the configuration of CONFIGURATION MENU. parameters to be altered, therefore substantially Accessing the CONFIGURATION MENU, aside from influencing the device’s operation. - Page 35 Pict. 37 Fig. 38 - - - 5 sec PAGE N° CHANGE VALUE CONFIRM THE DESCRIPTIONS AND VALUES GIVEN IN THE TABLE BELOW ARE ONLY TO BE USED WHEN IT IS NECESSARY TO CHECK THE CONFIGURATION. MODIFICATION OF THE PARAMETERS CAN CAUSE THE BOILER TO MALFUNCTION AND BE DAMAGED OR DESTROYED.
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Page 36: Configuration Menu
CONFIGURATION MENU Description Default ALL PARAMETER MODIFICATION ENABLE CODE 0-99 198 INSTAL. SERVICE FUNCTION 0 = deactivated 1= minimum power 2= maximum power RESET SERVICE 1 = boiler power day/hour timer reset Deaeration program 0 = deactivated 1= enabled Ramp CH (minutes) Anti frequent ignition parameter min Plate heat exchanger preheating 0 = not enabled... - Page 37 Descrizione Default “Post ventilation” time sec in DHW Δ burner ignition in CH mode ° C Δ burner shutdown in CH mode ° C Δ burner ignition in DHW mode ° C Δ burner shutdown in DHW mode ° C ΔT prim in DHW emergency °...
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Page 38: Installation Of Room Thermostat/Open-Therm
INSTALLATION OF ROOM THERMOSTAT/OPEN-THERM It is recommended, and in many cases - Disconnect any cable which may be mandatory, to connect the boiler to a present by loosening the terminal screws and device which monitors and regulates the remove it completely - Connect the wires temperature in the areas served by the boiler from the thermostat cable to their respective itself. -
Page 39: Of External Temperature Sensor
INSTALLATION OF EXTERNAL TEMPERATURE SENSOR Type and positioning: with metal structures and surfaces (guttering, Use an NTC 10K_ ß 3435 pre-wired sensor with arches, frames etc.). Avoid the sensor being protective cover. even partially immersed in water, ideally Position the sensor outside the area to be ensuring it does not come into direct contact heated facing NORTH/NORTH WEST, or in any with ice formations, either. -
Page 40: Configuring The Climate Curve From Those Available
CONFIGURING THE CLIMATE CURVE FROM THOSE AVAILABLE Operation in external sensor mode makes the It is possible to adapt the boiler’s response boiler heat the water in the central heating based on the climatic conditions present by circuit to a temperature which depends on configuring the slope of the climate curve the temperature measured by the external via the corresponding parameter on page... -
Page 41: Special Functions
SPECIAL FUNCTIONS ANTI-FROST: If the temperature measured by the sensor This function is always active, whatever mode on the central heating flow circuit is < 4°C, the boiler is in. circulation is activated, the diverter valve In order to allow this function to fulfil its (when present) switched to the CH circuit and purpose, the device must be: the burner lit at minimum power. -
Page 42: Thermostat Post Circulation/Ventilation Function
THERMOSTAT POST CIRCULATION/VENTILATION FUNCTION In winter mode: In summer mode: In order to prevent an overheat stress, in In order to prevent an overheat stress, in case at the end of a CH request the heat case at the end of a DHW intake the heat exchanger temperature is too high, a heat exchanger temperature is too high, a heat disposal function by circulator pump ignition... -
Page 43: Technical Data Sheet
TECHNICAL DATA SHEET GIMAX 25 MR/CR GIMAX 25 MN/CN GIMAX 30 MR/CR GIMAX 30 MN/CN II2H3P Category II2H3P II2H3P II2H3P Type B23 C13 C33 C43 C53 C83 B23 C13 C33 C43 C53 C83 B23 C13 C33 C43 C53 C83 B23 C13 C33 C43 C53 C83 Nominal Load 25,71 20,9... - Page 44 TECHNICAL PARAMETERS ACCORDING TO Erp REGULATION (812/2013) 24 MR 24 MN 30 MR 30 MN Energy Season E ciency Class for Room Heating Nominal Load Pnominale ηS Energy Season E ciency for Room Heating HEAT LOAD At Nominal Load and High Temperature 20,44 20,44 25,16...
- Page 45 NOTES ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
- Page 46 NOTES ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
- Page 48 MADE IN ITALY KLEINE KESSEL SRL Via Solferino 55/E - 25122 Brescia, BS (Italy) Sede operativa: Loc. Campogrande 13 - 29013 Carpaneto Piacentino (PC), Italy tel. + 39 0523 850513 - fax. +39 0523 850712 - www.aircontrol-pc.com - www.produzionecaldaie.it...
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