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KWB Multifire 15 - 100 kW Heating System for Wood chips and Pellets Biomass Heating Systems Installation and Maintenance Manual...
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Here you will find the necessary information on installation, adjustment and commissioning of the wood-chip boiler. Participation in a training course at KWB is recommended for safe and proper installation. The Appendix includes installation guidelines, hydraulic diagrams, as well as connection and terminal diagrams, that help the installation and service engineer with the installation and when servicing the system.
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Installation dimensions KWB Multifire USV V 15 – 25 kW .......... 5.1.2 Installation dimensions KWB Multifire USV D 15 – 25, 30 – 60 and 80 – 100 kW ..5.1.3 Installation dimensions KWB Multifire USV ZI 15 – 25, 30 – 60 and 80 – 100 kW 5.1.4...
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Basic module with weather-sensitive control, one expansion module and a long-term buffer ...................... 109 5.2.7 Basic module with weather-sensitive control and KWB special buffer ....111 5.2.8 Basic module with weather-sensitive control and buffer in adjacent building – expansion modules in the apartment buildings ............
KWB does not accept any liability, nor does it offer any warranty for any type of constructional measures. Without laying claim to an exhaustive treatment of the issue at hand and without suspension of any conditions imposed by the authorities, based on the Austrian directive TRVB H 118 and ÖKL technical bulletin No.
(that must be earthed). These planked to prevent the fuel from pouring out should the door are available from KWB. If this filling method is chosen, be opened by mistake. The planking should be removable dustproof sealing of the fuel storage room is required. The from the outside.
A data entry sheet is available as an electronic form from The guide values for chimney diameter are specified in the KWB (see Appendix). Upon request, KWB will provide the technical data (see operating manual, point 8). They are valid...
2 system installation system InstallatIon The system parts must be installed by qualified personnel from KWB, or by KWB’s competence partner in accordance with the set-up plan/submitted plan and the manufacturer’s instructions. The connection (smoke pipe-, water-, electrical) must be executed by certified HVAC engineers and electricians.
IntCl = Intermediate Cladding detail c fig. 51: remove burner with Intcl For the systems from 30 kW the KWB Multifire includes the Multiflex burner extension: You can dismantle the ash ring of the Multiflex burner extension (Details D and E).
(2) slide on the shaft protection sleeve (3) and push it against the thrust washer (Detail E). Place detail d the seal (Klingerit seal, KWB art. no. 07-1010014) on the set screw and tighten the set screw on the shaft protection sleeve (Detail F).
Suitable fittings to increase the return flow temperature are available from KWB. With the exception of return flow boost with bypass pump, the heating system must feature a pressureless distribution system (switch, distributor, load-balancing accumulator, buffer, etc.) and a safety group that complies with the relevant regulations (e.g.
• Type “C” lightning arrester at the distribution board of the house (recommended as lightning protection) • Danger switch (“emergency-stop”) in accordance with applicable prTRVB H 118 If the KWB system is supplied with emergency power via power generators, a relay should be installed to detect the rotary field. 2.1.6.1 Power connection of the KWB system •...
The main switch of the system is on the front side of the intermediate cladding (see operating manual point 5.1. – “Main switch”). A short time after switching on, the KWB Comfort control unit will display the header screen on the boiler control unit.
Mixer output for the return flow boost smoke extractor: Output for external SE Boiler seq.: Plug-in connector no. 74 of the I/O board, KWB art. no. 13-1000063 calib. lambda: Activation of the calibration: Lambda voltage [mV], off/start, status display and remaining time lambda control system calibration: IMPORTANT! Because fresh air is used as the reference gas for the calibration, ensure that there is sufficient ambient air in the boiler room.
Resetting the control unit resets all parameters to the factory settings. The menu item “Reset” is shown in the specialist level, however it is only active in the KWB customer service level. menu item – measure Boiler This function is used to render the power control unit inoperable and to maintain the burner power constant at a specific level.
The fuel extractor trough must be within the specified angle (max.: 230° horizontal, 25° vertical, *45° for ascending worms). Techn. MBL-USV_Einbaumaße_a This data sheet is the Data sheet: KWB Multifire install dimensions: USV D 15-25 kW, 30-60 kW and 80-100 kW...
Sloped floor or dead floor can be USV: Max. 115° Free pivoting dismantled 30 cm around the trough! TDS 150/151: Max. 115° Fuel extractor “Standard” downward transfer, ascending worm (for KWB Multifire and Powerfire 150 kW) Property Techn. data of KWB sheet: Auth.: StHo...
These illustrations are principle representations. The hydr. configuration/detail planning must be executed by the installer. These illustrations are principle representations. The hydr. configuration/detail planning must be executed by Suitable armatures for the return flow boost are available from KWB. the installer. Suitable return flow boost armatures are available from KWB.
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