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Summary of Contents for DEJATECH Intermodul Maxi Series
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) Intermodul Maxi (range rated) Type 850-11 Type 1020-13 Original instructions manufacturer 1/69 DEJATECH tel. + 31 77 475 2270 Revision 1 subject to changes without prior notice printdatum 17-05-18...
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) INSTRUCTIONS FOR USER If you have questions concerning the use of your boiler or heating system, please ask your installer. It is in your own interest and that of the installer that you are aware of how to operate your boiler and heating system safely and efficiently.
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) DHW (Hot Water) temperature ( if applicable) From the factory, the DHW temperature is set to a value of 60 °C. This set value can be changed to any value between 35 and 65 °C using the buttons on the control panel.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) TECHNICAL DATA Technical data Intermodul Maxi series Type 850-11 range rated 1020-13 range rated Central heating 1020 Nominal input max load (H Power range percentage % Manual technician menu advanced setting CH Nominal input min load (H Nominal ouput max load 80-60 °C...
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) Water Maximum flow temperature °C Content heat exchanger Minimum/maximum operating pressure 0,8/6 0,8/6 Hydraulic resistance mbar (DT 20 nominal flow at full load 80-60 °C) Maximum DT max load/min load 25/35 25/35 25/35 25/35 °C...
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 2.1 COMPONENT MATRIX Overview of main components used in Intermodul Maxi series ; Part 850-11 1020-13 Boiler control Honeywell Maxsys S4966V2052 S4966V2052 Display (user interface) DSP 49G2193 DSP 49G2193 2 Line EMC Filter 250 V EPCOS...
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) The appliance is not to be used by children or persons with reduced physical, sensory or mental capabilities, or lack of experience and knowledge. Children, even if being supervised, must not play with the appliance.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) OPERATION 4.1 General The Intermodul Maxi is a floor standing boiler, equipped with a cast aluminium heat- exchanger. During heat demand the controller activates the pump. The controller checks the air pressure switch (zero check) and increases the fan speed to perform an airflow-check.
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 4.2.2.2 0-10V DC Setpoint A value between 2 and 10V DC generates a CH setpoint demand proportional to this value between CH minimum flow temperature and maximum CH flow temperature. The heat demand is removed when the control signal falls below 1 volt.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 4.2.3 Outside Temperature Control OTC (optional) The boiler may use an outdoor sensor to provide weather compensation (OTC). To activate weather compensation connect an oudoor sensor to numbers 5 and 6 on the terminal strip C2. Pin numbers 1 and 2 have to be bridged by a wire. Alternatively those pin numbers (1 and 2) can be used for connecting room thermostat on/off.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 4.2.4 Optional digital communication The boiler supports digital communication with room thermostats using Open-Therm communication protocols (automatically recognised if connected to pins 1 + 2 on terminal strip C2, also see 4.2.1.) 4.2.5 Slow start The boiler uses the “slow start”...
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 4.3 Domestic Hot Water (DHW) 4.3.1 External storage tank (choice to be made by manufacturer between option 1 and option 2) 4.3.1.1 Option 1. External storage tank with thermostat (hydraulic 3-way valve)* As standard the DHW configuration is factory pre-set for an external storage tank + tank thermostat .
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 4.3.2 External storage tank with NTC sensor In case the storage tank is equipped with an NTC sensor, adjust the setting in technician menu, advanced DHW settings, DHW request to sensor. Note: The resistance of the NTC sensor must have a value of 12 kOhm at 25 °C.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) BOILER CONTROL 5.1 Control Panel The control panel has 12 buttons and a display as shown in the figure below. 5.2 Push buttons on control panel Description of push button use 20/69 DEJATECH tel.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 5.3 User menu By pressing the “menu-button” the display will show the text as given in the figure below. By pressing the button marked “3” in the figure above the user menu is accessed.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) The actual value can be changed by pressing the R1-C1 and R2-C1 buttons. The changed value can be confirmed by pressing the OK (R2-C2) button Pressing the back (R3-C1) button leaves the actual displayed parameter.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 5.4 Installer (technician) menu If the button marked “4” (page 21) is pressed the screen as given in the figure below will appear. Once the menu is accessed by entering the code the following options will be shown...
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) Pressing the up and down (R1-C2 and R3-C2) buttons will highlight the desired parameter subgroup. Pressing the OK button (R2-C2) selects the chosen parameter subgroup. Once a parameter subgroup option has been chosen it is possible to change the parameters corresponding with the selected subgroup.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 5.5 Manual Chimney sweep mode For routine maintenance and/or service purposes a CH request can be generated to force the burner to a specific load from minimum to nominal (0-100%). This is only possible if no error condition is present.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 5.12 Schedules for CH and DHW For CH and DHW separate schedules can be set. Both schedules are set to enabled and always on by default. Schedules may be set (ON, ECO, OFF) for each day, for a group of weekdays, for weekend days or for an entire week.
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) DSP 49G 2193 Cascade Vs.126 / Maxsys Vs 0.19 / IMM USER MENU Recommended After factory reset 1 Ch setpoint 90/Technician 1 CH temperature/OTC set 2 Outside temperature for CH off HEATING 2 ECO setpoint reduction...
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) DSP 49G 2193 Cascade Vs.126 / Maxsys Vs 0.19 / IMM TECHNICIAN MENU Reccomended After factory reset Maximum power 1 CH power set Minimum power Absolute max. temperature Higher than 90 not allowed...
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) INSTALLATION 6.1 Installing the boiler The installation must be done in accordance with all local and national codes, regulations and standards, and in accordance with the directives of all relevant authorities. 1. The boiler must only be installed in an area where it is allowed to install it.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 6.3 Water connection 6.3.1 Pump The boiler does not have a built in CH-pump. Therefore a CH-pump must be mounted separately . Select a pump that matches the hydraulic resistance of the boiler and the installation.
• There are many products available on the market which pretend to clean and protect heating systems. Unfortunately there are only a few that have really proven this in practice.Therefore DEJATECH only allows the following quality products for water treatment ;...
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) - X500 Inhibites antifreeze against scale and corrosion in all types of indirect heating systems at low temperatures Note that these products must be used strictly in accordance with the water treatment manufacturers instructions.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 6.5 Air-supply and flue-gas connection Air connection : All types have air connection ø 200 mm Flue gas connection : ø 250 mm for all types Allowed Appliance types: Possibilities for air / flue system ; B23, C33, C63 6.5.1 B23...
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 6.5.3 C63 C63 appliances may only be equipped with Gastec QA materials and terminals or according NEN 14989-2 Note: When using a C63 type flue configuration it is essential to ensure that C63 is allowed in the country were the boiler is installed.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) Equivalent of pipe length in meters Bend Parallel Air/fluegas Ø200/ø250 mm Bend 90° 5.8 Bend 45° 4.0 Warning : Do not install the terminals for supply of combustion air and for the exhaust of combustion products on opposite walls of the building Terminals should be installed in the same pressure area (within a plane of 1m 6.5.4 Pressure drop calculations...
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) Pressure drop table per component Component 680-850 (11) 850-1020 (13) Pressure drop [Pa] Flue gas Flue gas [Pa] [Pa] [Pa] [Pa] Pipe length 1 m Ø 250mm Pipe length 1 m Ø 200mm Bend 90°...
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) - Column 1 : used material - Column 2: total number of used material of column 1 for flue gas out - Column 3: total number of used material of column 1 for air in...
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) COMPONENTS ART. NO M&G Roof terminals ROOFTERM ALU 250 40.045.26.65 ROOFTERM ALU 250/250-250/350 41.007.65.59 EXPANDER AIR Ø200- Ø250 Pending LEAF CATCHER (AIR INLET GRILL) Pending Flue gas ALUMINUM Ø 250 mm ELBOW ALU 250 90°...
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 6.5.5 Installing flue-exhaust and air inlet 6.5.5.1 General • Do not use materials from different manufacturers for either exhaust or air inlet • Only the manufacturers of exhaust gas and air inlet components as mentioned in this manual may be used •...
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) Silencer mounted on a 13 section boiler (850-1020 kW) 48/69 DEJATECH tel. + 31 77 475 2270 Revision 1 subject to changes without prior notice printdatum 17-05-18...
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(acid free) Vaseline Important notice If instructions as written above are not followed and or the materials for air inlet and flue gas exhaust as quoted above are not used Dejatech can not be held responsible for eventual consequences 49/69 DEJATECH tel.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 6.6 Electrical connection 1. The electrical installation should be in accordance with national and local codes and regulations. 2. As standard the boiler is configured for 400 VAC + 3N/50Hz 3. The terminal strip is accessible by opening the side cover (unscrew with screw driver) behind which the control is mounted.
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) The cascade/system pump output on the numbers 29 and 30 on strip C1 is a potential free relay output (230 VAC, 0,8A). 12. The B-B (Burner Block) on the numbers 31 and 32 on strip C1 provides an external (remote) burner block (error 76).
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) General remarks : Use the 5 tubes on the left side on the back to guide the high voltage The lowest of the 5 is for 400 VAC + 3N/50 Hz (supply) The upper 4 are for 230 VAC or eventually 400 VAC + 3N/50Hz...
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 6.7 Pneumatic connections A pneumatic diagram for the Intermodul 850 kW (11 sections) and the Intermodul 1020 kW (13 sections) is given in the figure below. The siphon pressure switch, connected to the sump, prevents overflow of the syphon in the case of excess back pressure in the flue.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) COMMISSIONING 1. Fill and bleed the system. Fill the boiler until a pressure between 1.5 and 2 bar is achieved. The maximum working pressure is 6 bar. The boiler (not the installation !) is automatically bled by a built in automatic air vent.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 7.1 Gas category The types of gas and supply pressures vary by country. In the table below the gas category and supply pressure are listed by country. Countries Countries Category Pressure [mbar] Austria...
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) This boiler can be adjusted for category K(I ) and is in this case suitable for the use of G and G+ distribution gasses according to the specifications as shown in NTA 8837:2012 Annex D with Wobbe-index 43,46-45,3 MJ/m (dry, 0 °C, H...
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) The boiler has a gas valve that is connected to a venturi. See figure below ; Adjustment for max. load ; • wait until the boiler is stable and measure % CO2 • if required, correct CO with the throttle ;...
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) ERRORS 8.1 General If there is no data visible on the display, the circuit breaker must be checked on the panel that can be accessed after removal of the first side panel on the right. Main...
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) six security clips F1: T3.15A 250 V F2: T3.15A 250 V 62/69 DEJATECH tel. + 31 77 475 2270 Revision 1 subject to changes without prior notice printdatum 17-05-18...
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INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) If you are not sure that there is any heat demand, you can force the boiler to start as described in 5.5. On heat demand, the boiler control will perform a zero-check of the air pressure switch before starting the fan.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 8.2 DHW errors Boiler does not respond to DHW heat request Check the storage tank-NTC or thermostat and its wiring (also see electrical wiring diagram). Check if DHW is enabled using the control panel Insufficient DHW flow Dirty filters in taps.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 8.4 Errors (hard and soft lockouts) Errors are indicated by a text and an E-code on the bottom line on the display. The error message can be displayed by pressing the ”information” button Following an error with a hard lockout, the boiler will not fire again until a manual reset is performed (eg max temp limit).
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) ANNUAL SERVICE Maintenance should only be done by a qualified installer or technician. the following maintenance routine should be done annually (see also 9.1). The appliance is not to be used by children or persons with reduced physical, sensory or mental capabilities, or lack of experience and knowledge.
INSTALLATION MANUAL DEJATECH INTERMODUL MAXI (RANGE RATED) 9.1 Service-maintenance table When commissioning the boiler, it is recommended to measure load, CO2 or O2, CO, T flow, T return, P air pressure switch and Psyphon pressure switch and write the values down in the table below.
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Do you have a question about the Intermodul Maxi Series and is the answer not in the manual?
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