Vent-Axia MULTIVENT MV250 Installation And Wiring Instructions
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Summary of Contents for Vent-Axia MULTIVENT MV250
- Page 1 MULTIVENT MV250 MEV Unit Installation and Wiring Instructions Stock Ref. N° MV250 181510C 220-240V~50Hz IP22 PLEASE READ INSTRUCTIONS IN CONJUNCTION WITH THE ILLUSTRATIONS. PLEASE SAVE THESE INSTRUCTIONS...
- Page 2 C. Ensure that the mains supply (Voltage, Frequency and Phase) complies with the rating label. D. The Unit should only be used in conjunction with the appropriate Vent-Axia products. E. It is recommended that the connection to the terminal box is made with flexible cable/conduit.
- Page 3 INTRODUCTION NOTES The MULTIVENT is designed for simultaneous ventilation for a maximum of up to four separate areas such as bathrooms, kitchens and toilets. The range can be mounted in three different orientations for convenient installation in roof voids with a height of 250mm or greater. The MV250 employs a highly efficient backward curved centrifugal motor impeller set.
- Page 4 c). Ceiling mounted Installation. The Condensate Drain is opposite to the exhaust spigot under the lid of the unit. Additional drainage may be required. Condensate Drain Under the lid. See the dimensional details below for the mounting hole positions. Condensate drain Under the lid Condensate drain On the unit housing...
- Page 5 MULTIVENT. To meet the stated energy efficiency rating, the Multivent MV250 range should be connected so that it can run at all three speeds, with to at least two sensor inputs. A possible wiring arrangement is shown in Figure 2.
- Page 6 Fig.2. Example wiring for 3 speeds with three external sensors OVER-HEATING PROTECTION The MULTIVENT motor is fitted with Standard Thermal Overload Protection. This will automatically switch the fan Off in the event of a fault condition. If this occurs isolate the MULTIVENT, check for and remove any obstruction, leave for a short time for the motor to cool before reconnecting.
- Page 7 PRODUCT FICHE For Residential Ventilation Units (Complying Commission Delegated Regulation (EU) No 1254/2014) Name: Vent‐Axia Model ID (Stock Ref.) : MV250 ‐ 181510 ‐ LDC SEC Class C SEC Value ('Average') ‐25.71 SEC Value ('Warm') ‐10.21 SEC Value ('Cold') ‐52.78 Label Required? (Yes/No=Out of scope) Yes Declared as: RVU or NRVU/UVU or BVU RVU/UVU Speed Drive Multi‐Speed Type HRS (Recuperative, Regenerative, None) None Thermal Eff: [ (%), NA(if none)] N/A Max. Flow Rate (m3/h) 489.6 Max. Power Input (W): (@Max.Flow Rate) 63.3 LWA: Sound Power Level (dB) 51.53 ...
- Page 8 Vent-Axia guarantees its products for two years from date of purchase against faulty material or workmanship. In the event of any part being found to be defective, the product will be repaired, or at the Company’s option replaced, without charge, provided that the product:- ...
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