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Страница 1: ...CONJUNCTION WITH THE ILLUSTRATIONS PLEASE SAVE THESE INSTRUCTIONS Lo Carbon MULTIVENT MVDC MS MVDC MS H VENTILATION SYSTEMS Stock Ref N MVDC MS 437634B MVDC MS H 443298A Installation and Wiring Instr...
Страница 2: ...2...
Страница 3: ...should be provided with a 3A fused isolator switch capable of disconnecting all poles having a contact separation of at least 3mm 4 Ensure that the mains supply voltage frequency and phase complies wi...
Страница 4: ...y sensor uses one of the two available LS inputs the other remaining LS input can be used to switch the unit to Purge speed The MVDC MS H has the option to switch from Normal to Boost speed in effect...
Страница 5: ...ct diameter The larger the better Avoid having any bends filters or other obstructions within 250mm of the fan inlets and outlet 1 Position the MULTIVENT taking into consideration the position of the...
Страница 6: ...onnections are correct and that all terminal screws and cable clamps are securely fastened 4 To enable the fan to switch to boost or purge speed when a light is turned on connect the switched live con...
Страница 7: ...o the Purge LS connection on the mother board 5 The output 230V from the internal humidistat PCB is connected to the Boost LS terminal 6 Upon installation it is possible that the humidity controller w...
Страница 8: ...an isolated switched live connection to the LS connection on the power supply terminal block WARNING THE SWITCHED LIVE CONNECTION TO THE LS CONNECTION MUST BE ISOLATED FOR EXAMPLE USING AN ISOLATOR RE...
Страница 9: ...o achieve the stated energy efficiency rating with Local Demand Control LDC the arrangement below should be used The sensors S1 and S2 can be chosen based on the installation requirements Fuse L N E 1...
Страница 10: ...clockwise will increase the speed If a purge switch is installed this activates the unit at maximum speed Once the MVDC MS is commissioned apply white label over marked area containing Boost and Norm...
Страница 11: ...cal Demand Control Local Demand Control Declared Max Internal External Leakage Rates for BVUs or carry over for regenerative heat exchangers only Ext Leakage Rates for Ducted UVUs 5 Internal 5 Externa...
Страница 12: ...fied or repaired by any person not authorised by the company IF CLAIMING UNDER TERMS OF GUARANTEE Please return the complete product carriage paid to your original supplier or nearest Vent Axia Centre...
