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MBE/MBP
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08/20 - 2 Construction subject to change. Version: 26.08.2016 No return possible!

Mixing Box Model MBE / MBP Description The mixing box type MBE/MBP consists of a housing with two round connection pipes and an integrated silencer unit for reducing flow generated noise. Two volumetric flow controllers are integrated, in order to allow the volumetric flow in ducts to be kept constant or variable or to be regulated using positive control Vmin, Vmax or "CLOSED". It is used in two-duct air-conditioning systems, in which control and mixing can be carried out electrically or pneumatically, as desired. The measuring sensor used in the cold-air connection pipe and in the silencer...

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Mixing Box Model MBE / MBP Regulation Mixing boxes are used in twin-duct air-conditioning systems. The unit mixes cold and hot air in such a way that the difference between the highest and the lowest temperature at the outlet of the device (low-pressure side) is less than 10%. Two control circuits independent of one another are formed, which allow the supply air to be controlled at a constant or variable flow rate. The differential pressure sensor for the cold air, with a measuring cross in the connection pipe (1), together with the cold air controller (2), forms a control circuit which is...

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Installation Installation information To avoid unnecessary controller errors, the min. distances according to the following table / drawings must be observed. For combinations of several connection pieces or pieces with fire dampers or silencers, the larger minimum distances must be observed. Distance to other connection pieces (e.g. branching piece, reduction piece, T-junction, etc.) Construction Housing - Galvanised sheet steel - abrasion-resistant up to a duct velocity of 20 m/s - Lined with mineral wool, perforated sheet cover. Damper leaf seal - made of PUR, silicone-free - for...

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Mixing Box Model MBE / MBP Models and dimensions Dimensions MBE Inspection opening Inspection opening Rivet nut M8 Version: 26.08.2016 No return possible!

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Mixing Box Model MBE / MBP Dimensions of accessories Acoustic cladding (-DS) and additional silencer (-ZS) Additional silencer Acoustic cladding Section A-A shown without connection frame Rubber lip seal (-GD) Detail X Section C-C shown without connection frame Version: 26.08.2016 No return possible!

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ICHAK#Mixing Box Model MBE / MBP Technical data Volumetric flow range for MBE (constant or min/max) Attention, the following specifications are important for programming the volumetric flow controllers: - This table merely specifies the complete measuring range of the controller (volumetric flow range) - If the customer wants a calibration curve different from 12 m/ s, it must be specified! - When the air volume drops below the Vmin shown in the tables, the correct functioning of the volumetric flow controller is no longer guaranteed! - If only one air volume is specified in the order (as...

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Mixing Box Model MBE / MBP Sound values MBE / MBP, without acoustic cladding Supply air Return air Supply air flow generated noise without silencer Supply air flow generated noise with silencer Radiated noise of supply air without acoustic cladding Radiated noise of supply air with acoustic cladding Flow generated noise in round duct for supply air Insertion loss as the difference of the sound power levels measured with and without the mixing box. Construction subject to change.

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Mixing Box Model MBE / MBP Flow generated noise with / without additional silencer (-ZS) NW Construction subject to change.

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Mixing Box Model MBE / MBPRadiated noise with / without acoustic cladding (-DS) Construction subject to change.

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Mixing Box Model MBE / MBP Technical data of the control components Measured value collection and control function The measured value collection is carried out via a flow-favouring double measuring cross. The measuring openings are distributed over the measuring cross according to the median line method. The pressure differential formed on the measuring cross is determined by means of a dynamic or static measuring sensor. The measured values are averaged to give an average value which represents a measuring quantity for the volumetric flow. The controller compares the actual value signal...

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MP bus activation with integrated switch Circuit diagrams Circuit diagram standard controller Compact controller Belimo make LMV-D3-MP VAV with analogue command signal VAV with lock (CLOSED) Mode 2-10V DC _MP / actual value signal 0...10V / 2...10V -1 VAV command signal "0...10V Switchover CLOSED / -VAV operation MP / actual value sig-0...10V / 2...10V Lock mode (CLOSED) In the 2 - 10 V mode, the following function can be carried with a 0 - 10 V signal: **Attention: Controller/DDC must be able to pull the command signal to 0 V. Cable designations Version: 26.08.2016 Construction subject to...

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CAV operation / positive contacts CAV function for MV-D3-MP CAV - V Mode setting Signal Function Damper CLOSED Vmin...Vmax CAV - Vmin Damper OPEN Contact closed, function active Contact closed, function active, in mode 2 ...10 V only Contact open * not available for DC 24 V supply Note: Please ensure mutual locking Construction subject to change.

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Mixing Box Model MBE / MBPLED table of functions for LMV-D3-MP Application Description / action LED pattern Adaptation Address Status display - 24V power supply o.k. - VAV-Compact ready for operation Synchronisation started by: a) Operating / service unit b) Manual trigger device at the VAV-Compact c) Power ON behaviour Adaptation started by: a) Operating / service unit b) Key on the VAV-Compact a) Press both keys «Adaptation» & «Address» simultaneously b) VAV service will be activated: - until 24V supply is switched off - until both keys are pressed again - after 2 hours have passed Damper...

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Two-stage volumetric flow rate control Universal controller Belimo make VRD3-SO Connection diagram VRD3-SO Positive control VRD3-SO Two-stage volumetric flow rate control VRD3-SO i AC 24 V - ■■ DC 24 V Overview control signals / functions Signal terminal / Function *) requires AC 24 V power supply 08/20 - 16 Version: 26.08.2016 Construction subject to change. No return possible!

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